Merge pull request #1385 from dhiltgen/revamp_master

Forward port #1381 to master
This commit is contained in:
Silvin Lubecki 2018-09-26 15:29:33 +02:00 committed by GitHub
commit 7d313cf865
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
67 changed files with 1805 additions and 3296 deletions

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@ -12,14 +12,14 @@ clean: ## remove build artifacts
.PHONY: test-unit .PHONY: test-unit
test-unit: ## run unit test test-unit: ## run unit test
./scripts/test/unit $(shell go list ./... | grep -vE '/vendor/|/e2e/|/e2eengine/') ./scripts/test/unit $(shell go list ./... | grep -vE '/vendor/|/e2e/')
.PHONY: test .PHONY: test
test: test-unit ## run tests test: test-unit ## run tests
.PHONY: test-coverage .PHONY: test-coverage
test-coverage: ## run test coverage test-coverage: ## run test coverage
./scripts/test/unit-with-coverage $(shell go list ./... | grep -vE '/vendor/|/e2e/|/e2eengine/') ./scripts/test/unit-with-coverage $(shell go list ./... | grep -vE '/vendor/|/e2e/')
.PHONY: lint .PHONY: lint
lint: ## run all the lint tools lint: ## run all the lint tools

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@ -56,7 +56,7 @@ https://hub.docker.com/ then specify the file with the '--license' flag.
flags.StringVar(&options.licenseFile, "license", "", "License File") flags.StringVar(&options.licenseFile, "license", "", "License File")
flags.StringVar(&options.version, "version", "", "Specify engine version (default is to use currently running version)") flags.StringVar(&options.version, "version", "", "Specify engine version (default is to use currently running version)")
flags.StringVar(&options.registryPrefix, "registry-prefix", "docker.io/docker", "Override the default location where engine images are pulled") flags.StringVar(&options.registryPrefix, "registry-prefix", clitypes.RegistryPrefix, "Override the default location where engine images are pulled")
flags.StringVar(&options.image, "engine-image", clitypes.EnterpriseEngineImage, "Specify engine image") flags.StringVar(&options.image, "engine-image", clitypes.EnterpriseEngineImage, "Specify engine image")
flags.StringVar(&options.format, "format", "", "Pretty-print licenses using a Go template") flags.StringVar(&options.format, "format", "", "Pretty-print licenses using a Go template")
flags.BoolVar(&options.displayOnly, "display-only", false, "only display the available licenses and exit") flags.BoolVar(&options.displayOnly, "display-only", false, "only display the available licenses and exit")
@ -67,6 +67,9 @@ https://hub.docker.com/ then specify the file with the '--license' flag.
} }
func runActivate(cli command.Cli, options activateOptions) error { func runActivate(cli command.Cli, options activateOptions) error {
if !isRoot() {
return errors.New("this command must be run as a privileged user")
}
ctx := context.Background() ctx := context.Background()
client, err := cli.NewContainerizedEngineClient(options.sockPath) client, err := cli.NewContainerizedEngineClient(options.sockPath)
if err != nil { if err != nil {
@ -104,12 +107,17 @@ func runActivate(cli command.Cli, options activateOptions) error {
EngineVersion: options.version, EngineVersion: options.version,
} }
return client.ActivateEngine(ctx, opts, cli.Out(), authConfig, if err := client.ActivateEngine(ctx, opts, cli.Out(), authConfig,
func(ctx context.Context) error { func(ctx context.Context) error {
client := cli.Client() client := cli.Client()
_, err := client.Ping(ctx) _, err := client.Ping(ctx)
return err return err
}) }); err != nil {
return err
}
fmt.Fprintln(cli.Out(), `Successfully activated engine.
Restart docker with 'systemctl restart docker' to complete the activation.`)
return nil
} }
func getLicenses(ctx context.Context, authConfig *types.AuthConfig, cli command.Cli, options activateOptions) (*model.IssuedLicense, error) { func getLicenses(ctx context.Context, authConfig *types.AuthConfig, cli command.Cli, options activateOptions) (*model.IssuedLicense, error) {

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@ -14,6 +14,7 @@ func TestActivateNoContainerd(t *testing.T) {
return nil, fmt.Errorf("some error") return nil, fmt.Errorf("some error")
}, },
) )
isRoot = func() bool { return true }
cmd := newActivateCommand(testCli) cmd := newActivateCommand(testCli)
cmd.Flags().Set("license", "invalidpath") cmd.Flags().Set("license", "invalidpath")
cmd.SilenceUsage = true cmd.SilenceUsage = true
@ -28,6 +29,7 @@ func TestActivateBadLicense(t *testing.T) {
return &fakeContainerizedEngineClient{}, nil return &fakeContainerizedEngineClient{}, nil
}, },
) )
isRoot = func() bool { return true }
cmd := newActivateCommand(testCli) cmd := newActivateCommand(testCli)
cmd.SilenceUsage = true cmd.SilenceUsage = true
cmd.SilenceErrors = true cmd.SilenceErrors = true

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@ -0,0 +1,13 @@
// +build !windows
package engine
import (
"golang.org/x/sys/unix"
)
var (
isRoot = func() bool {
return unix.Geteuid() == 0
}
)

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@ -0,0 +1,9 @@
// +build windows
package engine
var (
isRoot = func() bool {
return true
}
)

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@ -5,6 +5,7 @@ import (
"github.com/docker/cli/cli/command" "github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/trust" "github.com/docker/cli/cli/trust"
clitypes "github.com/docker/cli/types"
"github.com/docker/distribution/reference" "github.com/docker/distribution/reference"
"github.com/docker/docker/api/types" "github.com/docker/docker/api/types"
registrytypes "github.com/docker/docker/api/types/registry" registrytypes "github.com/docker/docker/api/types/registry"
@ -13,7 +14,7 @@ import (
func getRegistryAuth(cli command.Cli, registryPrefix string) (*types.AuthConfig, error) { func getRegistryAuth(cli command.Cli, registryPrefix string) (*types.AuthConfig, error) {
if registryPrefix == "" { if registryPrefix == "" {
registryPrefix = "docker.io/docker" registryPrefix = clitypes.RegistryPrefix
} }
distributionRef, err := reference.ParseNormalizedNamed(registryPrefix) distributionRef, err := reference.ParseNormalizedNamed(registryPrefix)
if err != nil { if err != nil {

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@ -7,15 +7,12 @@ import (
"github.com/docker/cli/cli" "github.com/docker/cli/cli"
"github.com/docker/cli/cli/command" "github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/formatter" "github.com/docker/cli/cli/command/formatter"
"github.com/docker/cli/internal/versions"
clitypes "github.com/docker/cli/types" clitypes "github.com/docker/cli/types"
"github.com/pkg/errors" "github.com/pkg/errors"
"github.com/spf13/cobra" "github.com/spf13/cobra"
) )
const (
releaseNotePrefix = "https://docs.docker.com/releasenotes"
)
type checkOptions struct { type checkOptions struct {
registryPrefix string registryPrefix string
preReleases bool preReleases bool
@ -38,7 +35,7 @@ func newCheckForUpdatesCommand(dockerCli command.Cli) *cobra.Command {
}, },
} }
flags := cmd.Flags() flags := cmd.Flags()
flags.StringVar(&options.registryPrefix, "registry-prefix", "", "Override the existing location where engine images are pulled") flags.StringVar(&options.registryPrefix, "registry-prefix", clitypes.RegistryPrefix, "Override the existing location where engine images are pulled")
flags.BoolVar(&options.downgrades, "downgrades", false, "Report downgrades (default omits older versions)") flags.BoolVar(&options.downgrades, "downgrades", false, "Report downgrades (default omits older versions)")
flags.BoolVar(&options.preReleases, "pre-releases", false, "Include pre-release versions") flags.BoolVar(&options.preReleases, "pre-releases", false, "Include pre-release versions")
flags.BoolVar(&options.upgrades, "upgrades", true, "Report available upgrades") flags.BoolVar(&options.upgrades, "upgrades", true, "Report available upgrades")
@ -50,54 +47,47 @@ func newCheckForUpdatesCommand(dockerCli command.Cli) *cobra.Command {
} }
func runCheck(dockerCli command.Cli, options checkOptions) error { func runCheck(dockerCli command.Cli, options checkOptions) error {
ctx := context.Background() if !isRoot() {
client, err := dockerCli.NewContainerizedEngineClient(options.sockPath) return errors.New("this command must be run as a privileged user")
if err != nil {
return errors.Wrap(err, "unable to access local containerd")
} }
defer client.Close() ctx := context.Background()
currentOpts, err := client.GetCurrentEngineVersion(ctx) client := dockerCli.Client()
serverVersion, err := client.ServerVersion(ctx)
if err != nil { if err != nil {
return err return err
} }
// override with user provided prefix if specified availVersions, err := versions.GetEngineVersions(ctx, dockerCli.RegistryClient(false), options.registryPrefix, serverVersion)
if options.registryPrefix != "" {
currentOpts.RegistryPrefix = options.registryPrefix
}
imageName := currentOpts.RegistryPrefix + "/" + currentOpts.EngineImage
currentVersion := currentOpts.EngineVersion
versions, err := client.GetEngineVersions(ctx, dockerCli.RegistryClient(false), currentVersion, imageName)
if err != nil { if err != nil {
return err return err
} }
availUpdates := []clitypes.Update{ availUpdates := []clitypes.Update{
{Type: "current", Version: currentVersion}, {Type: "current", Version: serverVersion.Version},
} }
if len(versions.Patches) > 0 { if len(availVersions.Patches) > 0 {
availUpdates = append(availUpdates, availUpdates = append(availUpdates,
processVersions( processVersions(
currentVersion, serverVersion.Version,
"patch", "patch",
options.preReleases, options.preReleases,
versions.Patches)...) availVersions.Patches)...)
} }
if options.upgrades { if options.upgrades {
availUpdates = append(availUpdates, availUpdates = append(availUpdates,
processVersions( processVersions(
currentVersion, serverVersion.Version,
"upgrade", "upgrade",
options.preReleases, options.preReleases,
versions.Upgrades)...) availVersions.Upgrades)...)
} }
if options.downgrades { if options.downgrades {
availUpdates = append(availUpdates, availUpdates = append(availUpdates,
processVersions( processVersions(
currentVersion, serverVersion.Version,
"downgrade", "downgrade",
options.preReleases, options.preReleases,
versions.Downgrades)...) availVersions.Downgrades)...)
} }
format := options.format format := options.format
@ -115,9 +105,9 @@ func runCheck(dockerCli command.Cli, options checkOptions) error {
func processVersions(currentVersion, verType string, func processVersions(currentVersion, verType string,
includePrerelease bool, includePrerelease bool,
versions []clitypes.DockerVersion) []clitypes.Update { availVersions []clitypes.DockerVersion) []clitypes.Update {
availUpdates := []clitypes.Update{} availUpdates := []clitypes.Update{}
for _, ver := range versions { for _, ver := range availVersions {
if !includePrerelease && ver.Prerelease() != "" { if !includePrerelease && ver.Prerelease() != "" {
continue continue
} }
@ -125,7 +115,7 @@ func processVersions(currentVersion, verType string,
availUpdates = append(availUpdates, clitypes.Update{ availUpdates = append(availUpdates, clitypes.Update{
Type: verType, Type: verType,
Version: ver.Tag, Version: ver.Tag,
Notes: fmt.Sprintf("%s/%s", releaseNotePrefix, ver.Tag), Notes: fmt.Sprintf("%s/%s", clitypes.ReleaseNotePrefix, ver.Tag),
}) })
} }
} }

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@ -5,11 +5,13 @@ import (
"fmt" "fmt"
"testing" "testing"
registryclient "github.com/docker/cli/cli/registry/client" manifesttypes "github.com/docker/cli/cli/manifest/types"
"github.com/docker/cli/internal/test" "github.com/docker/cli/internal/test"
clitypes "github.com/docker/cli/types" "github.com/docker/distribution"
"github.com/docker/distribution/reference"
"github.com/docker/docker/api/types"
"github.com/docker/docker/client" "github.com/docker/docker/client"
ver "github.com/hashicorp/go-version" "github.com/opencontainers/go-digest"
"gotest.tools/assert" "gotest.tools/assert"
"gotest.tools/golden" "gotest.tools/golden"
) )
@ -18,126 +20,87 @@ var (
testCli = test.NewFakeCli(&client.Client{}) testCli = test.NewFakeCli(&client.Client{})
) )
func TestCheckForUpdatesNoContainerd(t *testing.T) { type verClient struct {
testCli.SetContainerizedEngineClient( client.Client
func(string) (clitypes.ContainerizedClient, error) { ver types.Version
return nil, fmt.Errorf("some error") verErr error
}, }
)
cmd := newCheckForUpdatesCommand(testCli) func (c *verClient) ServerVersion(ctx context.Context) (types.Version, error) {
cmd.SilenceUsage = true return c.ver, c.verErr
cmd.SilenceErrors = true }
err := cmd.Execute()
assert.ErrorContains(t, err, "unable to access local containerd") type testRegistryClient struct {
tags []string
}
func (c testRegistryClient) GetManifest(ctx context.Context, ref reference.Named) (manifesttypes.ImageManifest, error) {
return manifesttypes.ImageManifest{}, nil
}
func (c testRegistryClient) GetManifestList(ctx context.Context, ref reference.Named) ([]manifesttypes.ImageManifest, error) {
return nil, nil
}
func (c testRegistryClient) MountBlob(ctx context.Context, source reference.Canonical, target reference.Named) error {
return nil
}
func (c testRegistryClient) PutManifest(ctx context.Context, ref reference.Named, manifest distribution.Manifest) (digest.Digest, error) {
return "", nil
}
func (c testRegistryClient) GetTags(ctx context.Context, ref reference.Named) ([]string, error) {
return c.tags, nil
} }
func TestCheckForUpdatesNoCurrentVersion(t *testing.T) { func TestCheckForUpdatesNoCurrentVersion(t *testing.T) {
retErr := fmt.Errorf("some failure") isRoot = func() bool { return true }
getCurrentEngineVersionFunc := func(ctx context.Context) (clitypes.EngineInitOptions, error) { c := test.NewFakeCli(&verClient{client.Client{}, types.Version{}, nil})
return clitypes.EngineInitOptions{}, retErr c.SetRegistryClient(testRegistryClient{})
} cmd := newCheckForUpdatesCommand(c)
testCli.SetContainerizedEngineClient(
func(string) (clitypes.ContainerizedClient, error) {
return &fakeContainerizedEngineClient{
getCurrentEngineVersionFunc: getCurrentEngineVersionFunc,
}, nil
},
)
cmd := newCheckForUpdatesCommand(testCli)
cmd.SilenceUsage = true cmd.SilenceUsage = true
cmd.SilenceErrors = true cmd.SilenceErrors = true
err := cmd.Execute() err := cmd.Execute()
assert.Assert(t, err == retErr) assert.ErrorContains(t, err, "alformed version")
}
func TestCheckForUpdatesGetEngineVersionsFail(t *testing.T) {
retErr := fmt.Errorf("some failure")
getEngineVersionsFunc := func(ctx context.Context,
registryClient registryclient.RegistryClient,
currentVersion, imageName string) (clitypes.AvailableVersions, error) {
return clitypes.AvailableVersions{}, retErr
}
testCli.SetContainerizedEngineClient(
func(string) (clitypes.ContainerizedClient, error) {
return &fakeContainerizedEngineClient{
getEngineVersionsFunc: getEngineVersionsFunc,
}, nil
},
)
cmd := newCheckForUpdatesCommand(testCli)
cmd.SilenceUsage = true
cmd.SilenceErrors = true
err := cmd.Execute()
assert.Assert(t, err == retErr)
} }
func TestCheckForUpdatesGetEngineVersionsHappy(t *testing.T) { func TestCheckForUpdatesGetEngineVersionsHappy(t *testing.T) {
getCurrentEngineVersionFunc := func(ctx context.Context) (clitypes.EngineInitOptions, error) { c := test.NewFakeCli(&verClient{client.Client{}, types.Version{Version: "1.1.0"}, nil})
return clitypes.EngineInitOptions{ c.SetRegistryClient(testRegistryClient{[]string{
EngineImage: "current engine", "1.0.1", "1.0.2", "1.0.3-beta1",
EngineVersion: "1.1.0", "1.1.1", "1.1.2", "1.1.3-beta1",
}, nil "1.2.0", "2.0.0", "2.1.0-beta1",
} }})
getEngineVersionsFunc := func(ctx context.Context, isRoot = func() bool { return true }
registryClient registryclient.RegistryClient, cmd := newCheckForUpdatesCommand(c)
currentVersion, imageName string) (clitypes.AvailableVersions, error) {
return clitypes.AvailableVersions{
Downgrades: parseVersions(t, "1.0.1", "1.0.2", "1.0.3-beta1"),
Patches: parseVersions(t, "1.1.1", "1.1.2", "1.1.3-beta1"),
Upgrades: parseVersions(t, "1.2.0", "2.0.0", "2.1.0-beta1"),
}, nil
}
testCli.SetContainerizedEngineClient(
func(string) (clitypes.ContainerizedClient, error) {
return &fakeContainerizedEngineClient{
getEngineVersionsFunc: getEngineVersionsFunc,
getCurrentEngineVersionFunc: getCurrentEngineVersionFunc,
}, nil
},
)
cmd := newCheckForUpdatesCommand(testCli)
cmd.Flags().Set("pre-releases", "true") cmd.Flags().Set("pre-releases", "true")
cmd.Flags().Set("downgrades", "true") cmd.Flags().Set("downgrades", "true")
cmd.SilenceUsage = true
cmd.SilenceErrors = true
err := cmd.Execute() err := cmd.Execute()
assert.NilError(t, err) assert.NilError(t, err)
golden.Assert(t, testCli.OutBuffer().String(), "check-all.golden") golden.Assert(t, c.OutBuffer().String(), "check-all.golden")
testCli.OutBuffer().Reset() c.OutBuffer().Reset()
cmd.Flags().Set("pre-releases", "false") cmd.Flags().Set("pre-releases", "false")
cmd.Flags().Set("downgrades", "true") cmd.Flags().Set("downgrades", "true")
err = cmd.Execute() err = cmd.Execute()
assert.NilError(t, err) assert.NilError(t, err)
fmt.Println(testCli.OutBuffer().String()) fmt.Println(c.OutBuffer().String())
golden.Assert(t, testCli.OutBuffer().String(), "check-no-prerelease.golden") golden.Assert(t, c.OutBuffer().String(), "check-no-prerelease.golden")
testCli.OutBuffer().Reset() c.OutBuffer().Reset()
cmd.Flags().Set("pre-releases", "false") cmd.Flags().Set("pre-releases", "false")
cmd.Flags().Set("downgrades", "false") cmd.Flags().Set("downgrades", "false")
err = cmd.Execute() err = cmd.Execute()
assert.NilError(t, err) assert.NilError(t, err)
fmt.Println(testCli.OutBuffer().String()) fmt.Println(c.OutBuffer().String())
golden.Assert(t, testCli.OutBuffer().String(), "check-no-downgrades.golden") golden.Assert(t, c.OutBuffer().String(), "check-no-downgrades.golden")
testCli.OutBuffer().Reset() c.OutBuffer().Reset()
cmd.Flags().Set("pre-releases", "false") cmd.Flags().Set("pre-releases", "false")
cmd.Flags().Set("downgrades", "false") cmd.Flags().Set("downgrades", "false")
cmd.Flags().Set("upgrades", "false") cmd.Flags().Set("upgrades", "false")
err = cmd.Execute() err = cmd.Execute()
assert.NilError(t, err) assert.NilError(t, err)
fmt.Println(testCli.OutBuffer().String()) fmt.Println(c.OutBuffer().String())
golden.Assert(t, testCli.OutBuffer().String(), "check-patches-only.golden") golden.Assert(t, c.OutBuffer().String(), "check-patches-only.golden")
}
func makeVersion(t *testing.T, tag string) clitypes.DockerVersion {
v, err := ver.NewVersion(tag)
assert.NilError(t, err)
return clitypes.DockerVersion{Version: *v, Tag: tag}
}
func parseVersions(t *testing.T, tags ...string) []clitypes.DockerVersion {
ret := make([]clitypes.DockerVersion, len(tags))
for i, tag := range tags {
ret[i] = makeVersion(t, tag)
}
return ret
} }

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@ -15,11 +15,9 @@ func NewEngineCommand(dockerCli command.Cli) *cobra.Command {
RunE: command.ShowHelp(dockerCli.Err()), RunE: command.ShowHelp(dockerCli.Err()),
} }
cmd.AddCommand( cmd.AddCommand(
newInitCommand(dockerCli),
newActivateCommand(dockerCli), newActivateCommand(dockerCli),
newCheckForUpdatesCommand(dockerCli), newCheckForUpdatesCommand(dockerCli),
newUpdateCommand(dockerCli), newUpdateCommand(dockerCli),
newRmCommand(dockerCli),
) )
return cmd return cmd
} }

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@ -10,5 +10,5 @@ func TestNewEngineCommand(t *testing.T) {
cmd := NewEngineCommand(testCli) cmd := NewEngineCommand(testCli)
subcommands := cmd.Commands() subcommands := cmd.Commands()
assert.Assert(t, len(subcommands) == 5) assert.Assert(t, len(subcommands) == 3)
} }

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@ -1,62 +1,10 @@
package engine package engine
import ( import (
"context"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
clitypes "github.com/docker/cli/types" clitypes "github.com/docker/cli/types"
"github.com/pkg/errors"
"github.com/spf13/cobra"
) )
type extendedEngineInitOptions struct { type extendedEngineInitOptions struct {
clitypes.EngineInitOptions clitypes.EngineInitOptions
sockPath string sockPath string
} }
func newInitCommand(dockerCli command.Cli) *cobra.Command {
var options extendedEngineInitOptions
cmd := &cobra.Command{
Use: "init [OPTIONS]",
Short: "Initialize a local engine",
Long: `This command will initialize a local engine running on containerd.
Configuration of the engine is managed through the daemon.json configuration
file on the host and may be pre-created before running the 'init' command.
`,
Args: cli.NoArgs,
RunE: func(cmd *cobra.Command, args []string) error {
return runInit(dockerCli, options)
},
Annotations: map[string]string{"experimentalCLI": ""},
}
flags := cmd.Flags()
flags.StringVar(&options.EngineVersion, "version", cli.Version, "Specify engine version")
flags.StringVar(&options.EngineImage, "engine-image", clitypes.CommunityEngineImage, "Specify engine image")
flags.StringVar(&options.RegistryPrefix, "registry-prefix", "docker.io/docker", "Override the default location where engine images are pulled")
flags.StringVar(&options.ConfigFile, "config-file", "/etc/docker/daemon.json", "Specify the location of the daemon configuration file on the host")
flags.StringVar(&options.sockPath, "containerd", "", "override default location of containerd endpoint")
return cmd
}
func runInit(dockerCli command.Cli, options extendedEngineInitOptions) error {
ctx := context.Background()
client, err := dockerCli.NewContainerizedEngineClient(options.sockPath)
if err != nil {
return errors.Wrap(err, "unable to access local containerd")
}
defer client.Close()
authConfig, err := getRegistryAuth(dockerCli, options.RegistryPrefix)
if err != nil {
return err
}
return client.InitEngine(ctx, options.EngineInitOptions, dockerCli.Out(), authConfig,
func(ctx context.Context) error {
client := dockerCli.Client()
_, err := client.Ping(ctx)
return err
})
}

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@ -1,33 +0,0 @@
package engine
import (
"fmt"
"testing"
clitypes "github.com/docker/cli/types"
"gotest.tools/assert"
)
func TestInitNoContainerd(t *testing.T) {
testCli.SetContainerizedEngineClient(
func(string) (clitypes.ContainerizedClient, error) {
return nil, fmt.Errorf("some error")
},
)
cmd := newInitCommand(testCli)
cmd.SilenceUsage = true
cmd.SilenceErrors = true
err := cmd.Execute()
assert.ErrorContains(t, err, "unable to access local containerd")
}
func TestInitHappy(t *testing.T) {
testCli.SetContainerizedEngineClient(
func(string) (clitypes.ContainerizedClient, error) {
return &fakeContainerizedEngineClient{}, nil
},
)
cmd := newInitCommand(testCli)
err := cmd.Execute()
assert.NilError(t, err)
}

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@ -1,49 +0,0 @@
package engine
import (
"context"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
// TODO - consider adding a "purge" flag that also removes
// configuration files and the docker root dir.
type rmOptions struct {
sockPath string
}
func newRmCommand(dockerCli command.Cli) *cobra.Command {
var options rmOptions
cmd := &cobra.Command{
Use: "rm [OPTIONS]",
Short: "Remove the local engine",
Long: `This command will remove the local engine running on containerd.
No state files will be removed from the host filesystem.
`,
Args: cli.NoArgs,
RunE: func(cmd *cobra.Command, args []string) error {
return runRm(dockerCli, options)
},
Annotations: map[string]string{"experimentalCLI": ""},
}
flags := cmd.Flags()
flags.StringVar(&options.sockPath, "containerd", "", "override default location of containerd endpoint")
return cmd
}
func runRm(dockerCli command.Cli, options rmOptions) error {
ctx := context.Background()
client, err := dockerCli.NewContainerizedEngineClient(options.sockPath)
if err != nil {
return errors.Wrap(err, "unable to access local containerd")
}
defer client.Close()
return client.RemoveEngine(ctx)
}

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@ -1,33 +0,0 @@
package engine
import (
"fmt"
"testing"
clitypes "github.com/docker/cli/types"
"gotest.tools/assert"
)
func TestRmNoContainerd(t *testing.T) {
testCli.SetContainerizedEngineClient(
func(string) (clitypes.ContainerizedClient, error) {
return nil, fmt.Errorf("some error")
},
)
cmd := newRmCommand(testCli)
cmd.SilenceUsage = true
cmd.SilenceErrors = true
err := cmd.Execute()
assert.ErrorContains(t, err, "unable to access local containerd")
}
func TestRmHappy(t *testing.T) {
testCli.SetContainerizedEngineClient(
func(string) (clitypes.ContainerizedClient, error) {
return &fakeContainerizedEngineClient{}, nil
},
)
cmd := newRmCommand(testCli)
err := cmd.Execute()
assert.NilError(t, err)
}

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@ -6,6 +6,7 @@ import (
"github.com/docker/cli/cli" "github.com/docker/cli/cli"
"github.com/docker/cli/cli/command" "github.com/docker/cli/cli/command"
clitypes "github.com/docker/cli/types"
"github.com/pkg/errors" "github.com/pkg/errors"
"github.com/spf13/cobra" "github.com/spf13/cobra"
) )
@ -25,31 +26,22 @@ func newUpdateCommand(dockerCli command.Cli) *cobra.Command {
flags.StringVar(&options.EngineVersion, "version", "", "Specify engine version") flags.StringVar(&options.EngineVersion, "version", "", "Specify engine version")
flags.StringVar(&options.EngineImage, "engine-image", "", "Specify engine image") flags.StringVar(&options.EngineImage, "engine-image", "", "Specify engine image")
flags.StringVar(&options.RegistryPrefix, "registry-prefix", "", "Override the current location where engine images are pulled") flags.StringVar(&options.RegistryPrefix, "registry-prefix", clitypes.RegistryPrefix, "Override the current location where engine images are pulled")
flags.StringVar(&options.sockPath, "containerd", "", "override default location of containerd endpoint") flags.StringVar(&options.sockPath, "containerd", "", "override default location of containerd endpoint")
return cmd return cmd
} }
func runUpdate(dockerCli command.Cli, options extendedEngineInitOptions) error { func runUpdate(dockerCli command.Cli, options extendedEngineInitOptions) error {
if !isRoot() {
return errors.New("this command must be run as a privileged user")
}
ctx := context.Background() ctx := context.Background()
client, err := dockerCli.NewContainerizedEngineClient(options.sockPath) client, err := dockerCli.NewContainerizedEngineClient(options.sockPath)
if err != nil { if err != nil {
return errors.Wrap(err, "unable to access local containerd") return errors.Wrap(err, "unable to access local containerd")
} }
defer client.Close() defer client.Close()
if options.EngineImage == "" || options.RegistryPrefix == "" {
currentOpts, err := client.GetCurrentEngineVersion(ctx)
if err != nil {
return err
}
if options.EngineImage == "" {
options.EngineImage = currentOpts.EngineImage
}
if options.RegistryPrefix == "" {
options.RegistryPrefix = currentOpts.RegistryPrefix
}
}
authConfig, err := getRegistryAuth(dockerCli, options.RegistryPrefix) authConfig, err := getRegistryAuth(dockerCli, options.RegistryPrefix)
if err != nil { if err != nil {
return err return err
@ -63,6 +55,7 @@ func runUpdate(dockerCli command.Cli, options extendedEngineInitOptions) error {
}); err != nil { }); err != nil {
return err return err
} }
fmt.Fprintln(dockerCli.Out(), "Success! The docker engine is now running.") fmt.Fprintln(dockerCli.Out(), `Successfully updated engine.
Restart docker with 'systemctl restart docker' to complete the update.`)
return nil return nil
} }

View File

@ -28,7 +28,7 @@ func TestUpdateHappy(t *testing.T) {
}, },
) )
cmd := newUpdateCommand(testCli) cmd := newUpdateCommand(testCli)
cmd.Flags().Set("registry-prefix", "docker.io/docker") cmd.Flags().Set("registry-prefix", clitypes.RegistryPrefix)
cmd.Flags().Set("version", "someversion") cmd.Flags().Set("version", "someversion")
err := cmd.Execute() err := cmd.Execute()
assert.NilError(t, err) assert.NilError(t, err)

View File

@ -105,7 +105,7 @@ shellcheck: build_shell_validate_image ## run shellcheck validation
docker run -ti --rm $(ENVVARS) $(MOUNTS) $(VALIDATE_IMAGE_NAME) make shellcheck docker run -ti --rm $(ENVVARS) $(MOUNTS) $(VALIDATE_IMAGE_NAME) make shellcheck
.PHONY: test-e2e ## run e2e tests .PHONY: test-e2e ## run e2e tests
test-e2e: test-e2e-non-experimental test-e2e-experimental test-e2e-containerized test-e2e: test-e2e-non-experimental test-e2e-experimental
.PHONY: test-e2e-experimental .PHONY: test-e2e-experimental
test-e2e-experimental: build_e2e_image test-e2e-experimental: build_e2e_image
@ -115,14 +115,6 @@ test-e2e-experimental: build_e2e_image
test-e2e-non-experimental: build_e2e_image test-e2e-non-experimental: build_e2e_image
docker run --rm -v /var/run/docker.sock:/var/run/docker.sock $(E2E_IMAGE_NAME) docker run --rm -v /var/run/docker.sock:/var/run/docker.sock $(E2E_IMAGE_NAME)
.PHONY: test-e2e-containerized
test-e2e-containerized: build_e2e_image
docker run --rm --privileged \
-v /var/lib/docker \
-v /var/lib/containerd \
-v /lib/modules:/lib/modules \
$(E2E_IMAGE_NAME) /go/src/github.com/docker/cli/scripts/test/engine/entry
.PHONY: help .PHONY: help
help: ## print this help help: ## print this help
@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {sub("\\\\n",sprintf("\n%22c"," "), $$2);printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST) @awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {sub("\\\\n",sprintf("\n%22c"," "), $$2);printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)

View File

@ -15,28 +15,6 @@ RUN apt-get update && apt-get install -y \
iptables \ iptables \
&& rm -rf /var/lib/apt/lists/* && rm -rf /var/lib/apt/lists/*
# TODO - consider replacing with an official image and a multi-stage build to pluck the binaries out
#ARG CONTAINERD_VERSION=v1.1.2
#ARG CONTAINERD_VERSION=47a128d
#ARG CONTAINERD_VERSION=6c3e782f
ARG CONTAINERD_VERSION=65839a47a88b0a1c5dc34981f1741eccefc9f2b0
RUN git clone https://github.com/containerd/containerd.git /go/src/github.com/containerd/containerd && \
cd /go/src/github.com/containerd/containerd && \
git checkout ${CONTAINERD_VERSION} && \
make && \
make install
COPY e2eengine/config.toml /etc/containerd/config.toml
COPY --from=containerd-shim-process /bin/containerd-shim-process-v1 /bin/
# TODO - consider replacing with an official image and a multi-stage build to pluck the binaries out
ARG RUNC_VERSION=v1.0.0-rc5
RUN git clone https://github.com/opencontainers/runc.git /go/src/github.com/opencontainers/runc && \
cd /go/src/github.com/opencontainers/runc && \
git checkout ${RUNC_VERSION} && \
make && \
make install
ARG COMPOSE_VERSION=1.21.2 ARG COMPOSE_VERSION=1.21.2
RUN curl -L https://github.com/docker/compose/releases/download/${COMPOSE_VERSION}/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose \ RUN curl -L https://github.com/docker/compose/releases/download/${COMPOSE_VERSION}/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose \
&& chmod +x /usr/local/bin/docker-compose && chmod +x /usr/local/bin/docker-compose

View File

@ -1,43 +0,0 @@
package check
import (
"testing"
"github.com/docker/cli/e2eengine"
"gotest.tools/icmd"
)
func TestDockerEngineOnContainerdAltRootConfig(t *testing.T) {
defer func() {
err := e2eengine.CleanupEngine(t)
if err != nil {
t.Errorf("Failed to cleanup engine: %s", err)
}
}()
// Use a fixed version to prevent failures when development of the next version starts, and no image is available yet.
targetVersion := "18.09.0-dev"
t.Log("First engine init")
// First init
result := icmd.RunCmd(icmd.Command("docker", "engine", "init", "--config-file", "/tmp/etc/docker/daemon.json", "--version", targetVersion),
func(c *icmd.Cmd) {
c.Env = append(c.Env, "DOCKER_CLI_EXPERIMENTAL=enabled")
})
result.Assert(t, icmd.Expected{
Out: "Success! The docker engine is now running.",
Err: "",
ExitCode: 0,
})
// Make sure update doesn't blow up with alternate config path
t.Log("perform update")
// Now update and succeed
result = icmd.RunCmd(icmd.Command("docker", "engine", "update", "--version", targetVersion))
result.Assert(t, icmd.Expected{
Out: "Success! The docker engine is now running.",
Err: "",
ExitCode: 0,
})
}

View File

@ -1,14 +0,0 @@
root = "/var/lib/containerd"
state = "/run/containerd"
oom_score = 0
[grpc]
address = "/run/containerd/containerd.sock"
uid = 0
gid = 0
[debug]
address = "/run/containerd/debug.sock"
uid = 0
gid = 0
level = "debug"

View File

@ -1,86 +0,0 @@
package multi
import (
"testing"
"github.com/docker/cli/e2eengine"
"gotest.tools/icmd"
)
func TestDockerEngineOnContainerdMultiTest(t *testing.T) {
defer func() {
err := e2eengine.CleanupEngine(t)
if err != nil {
t.Errorf("Failed to cleanup engine: %s", err)
}
}()
// Use a fixed version to prevent failures when development of the next version starts, and no image is available yet.
targetVersion := "18.09.0-dev"
t.Log("Attempt engine init without experimental")
// First init
result := icmd.RunCmd(icmd.Command("docker", "engine", "init", "--version", targetVersion),
func(c *icmd.Cmd) {
c.Env = append(c.Env, "DOCKER_CLI_EXPERIMENTAL=disabled")
})
result.Assert(t, icmd.Expected{
Out: "",
Err: "docker engine init is only supported",
ExitCode: 1,
})
t.Log("First engine init")
// First init
result = icmd.RunCmd(icmd.Command("docker", "engine", "init", "--version", targetVersion),
func(c *icmd.Cmd) {
c.Env = append(c.Env, "DOCKER_CLI_EXPERIMENTAL=enabled")
})
result.Assert(t, icmd.Expected{
Out: "Success! The docker engine is now running.",
Err: "",
ExitCode: 0,
})
t.Log("checking for updates")
// Check for updates
result = icmd.RunCmd(icmd.Command("docker", "engine", "check", "--downgrades", "--pre-releases"))
result.Assert(t, icmd.Expected{
Out: "VERSION",
Err: "",
ExitCode: 0,
})
t.Log("attempt second init (should fail)")
// Attempt to init a second time and fail
result = icmd.RunCmd(icmd.Command("docker", "engine", "init"),
func(c *icmd.Cmd) {
c.Env = append(c.Env, "DOCKER_CLI_EXPERIMENTAL=enabled")
})
result.Assert(t, icmd.Expected{
Out: "",
Err: "engine already present",
ExitCode: 1,
})
t.Log("perform update")
// Now update and succeed
result = icmd.RunCmd(icmd.Command("docker", "engine", "update", "--version", targetVersion))
result.Assert(t, icmd.Expected{
Out: "Success! The docker engine is now running.",
Err: "",
ExitCode: 0,
})
t.Log("remove engine")
result = icmd.RunCmd(icmd.Command("docker", "engine", "rm"),
func(c *icmd.Cmd) {
c.Env = append(c.Env, "DOCKER_CLI_EXPERIMENTAL=enabled")
})
result.Assert(t, icmd.Expected{
Out: "",
Err: "",
ExitCode: 0,
})
}

View File

@ -1,46 +0,0 @@
package e2eengine
import (
"context"
"strings"
"testing"
"github.com/containerd/containerd"
"github.com/docker/cli/internal/containerizedengine"
"github.com/docker/cli/types"
)
type containerizedclient interface {
types.ContainerizedClient
GetEngine(context.Context) (containerd.Container, error)
}
// CleanupEngine ensures the local engine has been removed between testcases
func CleanupEngine(t *testing.T) error {
t.Log("doing engine cleanup")
ctx := context.Background()
client, err := containerizedengine.NewClient("")
if err != nil {
return err
}
// See if the engine exists first
_, err = client.(containerizedclient).GetEngine(ctx)
if err != nil {
if strings.Contains(err.Error(), "not present") {
t.Log("engine was not detected, no cleanup to perform")
// Nothing to do, it's not defined
return nil
}
t.Logf("failed to lookup engine: %s", err)
// Any other error is not good...
return err
}
// TODO Consider nuking the docker dir too so there's no cached content between test cases
err = client.RemoveEngine(ctx)
if err != nil {
t.Logf("Failed to remove engine: %s", err)
}
return err
}

View File

@ -2,10 +2,8 @@ package containerizedengine
import ( import (
"context" "context"
"syscall"
"github.com/containerd/containerd" "github.com/containerd/containerd"
containerdtypes "github.com/containerd/containerd/api/types"
"github.com/containerd/containerd/cio" "github.com/containerd/containerd/cio"
"github.com/containerd/containerd/containers" "github.com/containerd/containerd/containers"
"github.com/containerd/containerd/content" "github.com/containerd/containerd/content"
@ -13,7 +11,6 @@ import (
prototypes "github.com/gogo/protobuf/types" prototypes "github.com/gogo/protobuf/types"
"github.com/opencontainers/go-digest" "github.com/opencontainers/go-digest"
ocispec "github.com/opencontainers/image-spec/specs-go/v1" ocispec "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/opencontainers/runtime-spec/specs-go"
) )
type ( type (
@ -24,6 +21,8 @@ type (
getImageFunc func(ctx context.Context, ref string) (containerd.Image, error) getImageFunc func(ctx context.Context, ref string) (containerd.Image, error)
contentStoreFunc func() content.Store contentStoreFunc func() content.Store
containerServiceFunc func() containers.Store containerServiceFunc func() containers.Store
installFunc func(context.Context, containerd.Image, ...containerd.InstallOpts) error
versionFunc func(ctx context.Context) (containerd.Version, error)
} }
fakeContainer struct { fakeContainer struct {
idFunc func() string idFunc func() string
@ -48,26 +47,6 @@ type (
isUnpackedFunc func(context.Context, string) (bool, error) isUnpackedFunc func(context.Context, string) (bool, error)
contentStoreFunc func() content.Store contentStoreFunc func() content.Store
} }
fakeTask struct {
idFunc func() string
pidFunc func() uint32
startFunc func(context.Context) error
deleteFunc func(context.Context, ...containerd.ProcessDeleteOpts) (*containerd.ExitStatus, error)
killFunc func(context.Context, syscall.Signal, ...containerd.KillOpts) error
waitFunc func(context.Context) (<-chan containerd.ExitStatus, error)
closeIOFunc func(context.Context, ...containerd.IOCloserOpts) error
resizeFunc func(ctx context.Context, w, h uint32) error
ioFunc func() cio.IO
statusFunc func(context.Context) (containerd.Status, error)
pauseFunc func(context.Context) error
resumeFunc func(context.Context) error
execFunc func(context.Context, string, *specs.Process, cio.Creator) (containerd.Process, error)
pidsFunc func(context.Context) ([]containerd.ProcessInfo, error)
checkpointFunc func(context.Context, ...containerd.CheckpointTaskOpts) (containerd.Image, error)
updateFunc func(context.Context, ...containerd.UpdateTaskOpts) error
loadProcessFunc func(context.Context, string, cio.Attach) (containerd.Process, error)
metricsFunc func(context.Context) (*containerdtypes.Metric, error)
}
) )
func (w *fakeContainerdClient) Containers(ctx context.Context, filters ...string) ([]containerd.Container, error) { func (w *fakeContainerdClient) Containers(ctx context.Context, filters ...string) ([]containerd.Container, error) {
@ -109,6 +88,18 @@ func (w *fakeContainerdClient) ContainerService() containers.Store {
func (w *fakeContainerdClient) Close() error { func (w *fakeContainerdClient) Close() error {
return nil return nil
} }
func (w *fakeContainerdClient) Install(ctx context.Context, image containerd.Image, args ...containerd.InstallOpts) error {
if w.installFunc != nil {
return w.installFunc(ctx, image, args...)
}
return nil
}
func (w *fakeContainerdClient) Version(ctx context.Context) (containerd.Version, error) {
if w.versionFunc != nil {
return w.versionFunc(ctx)
}
return containerd.Version{}, nil
}
func (c *fakeContainer) ID() string { func (c *fakeContainer) ID() string {
if c.idFunc != nil { if c.idFunc != nil {
@ -225,112 +216,3 @@ func (i *fakeImage) ContentStore() content.Store {
} }
return nil return nil
} }
func (t *fakeTask) ID() string {
if t.idFunc != nil {
return t.idFunc()
}
return ""
}
func (t *fakeTask) Pid() uint32 {
if t.pidFunc != nil {
return t.pidFunc()
}
return 0
}
func (t *fakeTask) Start(ctx context.Context) error {
if t.startFunc != nil {
return t.startFunc(ctx)
}
return nil
}
func (t *fakeTask) Delete(ctx context.Context, opts ...containerd.ProcessDeleteOpts) (*containerd.ExitStatus, error) {
if t.deleteFunc != nil {
return t.deleteFunc(ctx, opts...)
}
return nil, nil
}
func (t *fakeTask) Kill(ctx context.Context, signal syscall.Signal, opts ...containerd.KillOpts) error {
if t.killFunc != nil {
return t.killFunc(ctx, signal, opts...)
}
return nil
}
func (t *fakeTask) Wait(ctx context.Context) (<-chan containerd.ExitStatus, error) {
if t.waitFunc != nil {
return t.waitFunc(ctx)
}
return nil, nil
}
func (t *fakeTask) CloseIO(ctx context.Context, opts ...containerd.IOCloserOpts) error {
if t.closeIOFunc != nil {
return t.closeIOFunc(ctx, opts...)
}
return nil
}
func (t *fakeTask) Resize(ctx context.Context, w, h uint32) error {
if t.resizeFunc != nil {
return t.resizeFunc(ctx, w, h)
}
return nil
}
func (t *fakeTask) IO() cio.IO {
if t.ioFunc != nil {
return t.ioFunc()
}
return nil
}
func (t *fakeTask) Status(ctx context.Context) (containerd.Status, error) {
if t.statusFunc != nil {
return t.statusFunc(ctx)
}
return containerd.Status{}, nil
}
func (t *fakeTask) Pause(ctx context.Context) error {
if t.pauseFunc != nil {
return t.pauseFunc(ctx)
}
return nil
}
func (t *fakeTask) Resume(ctx context.Context) error {
if t.resumeFunc != nil {
return t.resumeFunc(ctx)
}
return nil
}
func (t *fakeTask) Exec(ctx context.Context, cmd string, proc *specs.Process, ioc cio.Creator) (containerd.Process, error) {
if t.execFunc != nil {
return t.execFunc(ctx, cmd, proc, ioc)
}
return nil, nil
}
func (t *fakeTask) Pids(ctx context.Context) ([]containerd.ProcessInfo, error) {
if t.pidsFunc != nil {
return t.pidsFunc(ctx)
}
return nil, nil
}
func (t *fakeTask) Checkpoint(ctx context.Context, opts ...containerd.CheckpointTaskOpts) (containerd.Image, error) {
if t.checkpointFunc != nil {
return t.checkpointFunc(ctx, opts...)
}
return nil, nil
}
func (t *fakeTask) Update(ctx context.Context, opts ...containerd.UpdateTaskOpts) error {
if t.updateFunc != nil {
return t.updateFunc(ctx, opts...)
}
return nil
}
func (t *fakeTask) LoadProcess(ctx context.Context, name string, attach cio.Attach) (containerd.Process, error) {
if t.loadProcessFunc != nil {
return t.loadProcessFunc(ctx, name, attach)
}
return nil, nil
}
func (t *fakeTask) Metrics(ctx context.Context) (*containerdtypes.Metric, error) {
if t.metricsFunc != nil {
return t.metricsFunc(ctx)
}
return nil, nil
}

View File

@ -1,242 +0,0 @@
package containerizedengine
import (
"context"
"fmt"
"io"
"syscall"
"time"
"github.com/containerd/containerd"
"github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/namespaces"
"github.com/containerd/containerd/runtime/restart"
"github.com/docker/cli/internal/pkg/containerized"
clitypes "github.com/docker/cli/types"
"github.com/docker/docker/api/types"
"github.com/pkg/errors"
)
var _ clitypes.ContainerizedClient = &baseClient{}
// InitEngine is the main entrypoint for `docker engine init`
func (c *baseClient) InitEngine(ctx context.Context, opts clitypes.EngineInitOptions, out clitypes.OutStream,
authConfig *types.AuthConfig, healthfn func(context.Context) error) error {
ctx = namespaces.WithNamespace(ctx, engineNamespace)
// Verify engine isn't already running
_, err := c.GetEngine(ctx)
if err == nil {
return ErrEngineAlreadyPresent
} else if err != ErrEngineNotPresent {
return err
}
imageName := fmt.Sprintf("%s/%s:%s", opts.RegistryPrefix, opts.EngineImage, opts.EngineVersion)
// Look for desired image
_, err = c.cclient.GetImage(ctx, imageName)
if err != nil {
if errdefs.IsNotFound(err) {
_, err = c.pullWithAuth(ctx, imageName, out, authConfig)
if err != nil {
return errors.Wrapf(err, "unable to pull image %s", imageName)
}
} else {
return errors.Wrapf(err, "unable to check for image %s", imageName)
}
}
// Spin up the engine
err = c.startEngineOnContainerd(ctx, imageName, opts.ConfigFile)
if err != nil {
return errors.Wrap(err, "failed to create docker daemon")
}
// Wait for the daemon to start, verify it's responsive
fmt.Fprintf(out, "Waiting for engine to start... ")
ctx, cancel := context.WithTimeout(ctx, engineWaitTimeout)
defer cancel()
if err := c.waitForEngine(ctx, out, healthfn); err != nil {
// TODO once we have the logging strategy sorted out
// this should likely gather the last few lines of logs to report
// why the daemon failed to initialize
return errors.Wrap(err, "failed to start docker daemon")
}
fmt.Fprintf(out, "Success! The docker engine is now running.\n")
return nil
}
// GetEngine will return the containerd container running the engine (or error)
func (c *baseClient) GetEngine(ctx context.Context) (containerd.Container, error) {
ctx = namespaces.WithNamespace(ctx, engineNamespace)
containers, err := c.cclient.Containers(ctx, "id=="+engineContainerName)
if err != nil {
return nil, err
}
if len(containers) == 0 {
return nil, ErrEngineNotPresent
}
return containers[0], nil
}
// getEngineImage will return the current image used by the engine
func (c *baseClient) getEngineImage(engine containerd.Container) (string, error) {
ctx := namespaces.WithNamespace(context.Background(), engineNamespace)
image, err := engine.Image(ctx)
if err != nil {
return "", err
}
return image.Name(), nil
}
var (
engineWaitInterval = 500 * time.Millisecond
engineWaitTimeout = 60 * time.Second
)
// waitForEngine will wait for the engine to start
func (c *baseClient) waitForEngine(ctx context.Context, out io.Writer, healthfn func(context.Context) error) error {
ticker := time.NewTicker(engineWaitInterval)
defer ticker.Stop()
defer func() {
fmt.Fprintf(out, "\n")
}()
err := c.waitForEngineContainer(ctx, ticker)
if err != nil {
return err
}
fmt.Fprintf(out, "waiting for engine to be responsive... ")
for {
select {
case <-ticker.C:
err = healthfn(ctx)
if err == nil {
fmt.Fprintf(out, "engine is online.")
return nil
}
case <-ctx.Done():
return errors.Wrap(err, "timeout waiting for engine to be responsive")
}
}
}
func (c *baseClient) waitForEngineContainer(ctx context.Context, ticker *time.Ticker) error {
var ret error
for {
select {
case <-ticker.C:
engine, err := c.GetEngine(ctx)
if engine != nil {
return nil
}
ret = err
case <-ctx.Done():
return errors.Wrap(ret, "timeout waiting for engine to be responsive")
}
}
}
// RemoveEngine gracefully unwinds the current engine
func (c *baseClient) RemoveEngine(ctx context.Context) error {
engine, err := c.GetEngine(ctx)
if err != nil {
return err
}
return c.removeEngine(ctx, engine)
}
func (c *baseClient) removeEngine(ctx context.Context, engine containerd.Container) error {
ctx = namespaces.WithNamespace(ctx, engineNamespace)
// Make sure the container isn't being restarted while we unwind it
stopLabel := map[string]string{}
stopLabel[restart.StatusLabel] = string(containerd.Stopped)
engine.SetLabels(ctx, stopLabel)
// Wind down the existing engine
task, err := engine.Task(ctx, nil)
if err != nil {
if !errdefs.IsNotFound(err) {
return err
}
} else {
status, err := task.Status(ctx)
if err != nil {
return err
}
if status.Status == containerd.Running {
// It's running, so kill it
err := task.Kill(ctx, syscall.SIGTERM, []containerd.KillOpts{}...)
if err != nil {
return errors.Wrap(err, "task kill error")
}
ch, err := task.Wait(ctx)
if err != nil {
return err
}
timeout := time.NewTimer(engineWaitTimeout)
select {
case <-timeout.C:
// TODO - consider a force flag in the future to allow a more aggressive
// kill of the engine via
// task.Kill(ctx, syscall.SIGKILL, containerd.WithKillAll)
return ErrEngineShutdownTimeout
case <-ch:
}
}
if _, err := task.Delete(ctx); err != nil {
return err
}
}
deleteOpts := []containerd.DeleteOpts{containerd.WithSnapshotCleanup}
err = engine.Delete(ctx, deleteOpts...)
if err != nil && errdefs.IsNotFound(err) {
return nil
}
return errors.Wrap(err, "failed to remove existing engine container")
}
// startEngineOnContainerd creates a new docker engine running on containerd
func (c *baseClient) startEngineOnContainerd(ctx context.Context, imageName, configFile string) error {
ctx = namespaces.WithNamespace(ctx, engineNamespace)
image, err := c.cclient.GetImage(ctx, imageName)
if err != nil {
if errdefs.IsNotFound(err) {
return fmt.Errorf("engine image missing: %s", imageName)
}
return errors.Wrap(err, "failed to check for engine image")
}
// Make sure we have a valid config file
err = c.verifyDockerConfig(configFile)
if err != nil {
return err
}
engineSpec.Process.Args = append(engineSpec.Process.Args,
"--config-file", configFile,
)
cOpts := []containerd.NewContainerOpts{
containerized.WithNewSnapshot(image),
restart.WithStatus(containerd.Running),
restart.WithLogPath("/var/log/engine.log"), // TODO - better!
genSpec(),
containerd.WithRuntime("io.containerd.runtime.process.v1", nil),
}
_, err = c.cclient.NewContainer(
ctx,
engineContainerName,
cOpts...,
)
if err != nil {
return errors.Wrap(err, "failed to create engine container")
}
return nil
}

View File

@ -1,570 +0,0 @@
package containerizedengine
import (
"bytes"
"context"
"fmt"
"strings"
"syscall"
"testing"
"time"
"github.com/containerd/containerd"
"github.com/containerd/containerd/cio"
"github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/oci"
"github.com/docker/cli/cli/command"
clitypes "github.com/docker/cli/types"
"github.com/docker/docker/api/types"
"github.com/opencontainers/runtime-spec/specs-go"
"gotest.tools/assert"
)
func healthfnHappy(ctx context.Context) error {
return nil
}
func healthfnError(ctx context.Context) error {
return fmt.Errorf("ping failure")
}
func TestInitGetEngineFail(t *testing.T) {
ctx := context.Background()
opts := clitypes.EngineInitOptions{
EngineVersion: "engineversiongoeshere",
RegistryPrefix: "registryprefixgoeshere",
ConfigFile: "/tmp/configfilegoeshere",
EngineImage: clitypes.CommunityEngineImage,
}
container := &fakeContainer{}
client := baseClient{
cclient: &fakeContainerdClient{
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return []containerd.Container{container}, nil
},
},
}
err := client.InitEngine(ctx, opts, command.NewOutStream(&bytes.Buffer{}), &types.AuthConfig{}, healthfnHappy)
assert.Assert(t, err == ErrEngineAlreadyPresent)
}
func TestInitCheckImageFail(t *testing.T) {
ctx := context.Background()
opts := clitypes.EngineInitOptions{
EngineVersion: "engineversiongoeshere",
RegistryPrefix: "registryprefixgoeshere",
ConfigFile: "/tmp/configfilegoeshere",
EngineImage: clitypes.CommunityEngineImage,
}
client := baseClient{
cclient: &fakeContainerdClient{
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return []containerd.Container{}, nil
},
getImageFunc: func(ctx context.Context, ref string) (containerd.Image, error) {
return nil, fmt.Errorf("something went wrong")
},
},
}
err := client.InitEngine(ctx, opts, command.NewOutStream(&bytes.Buffer{}), &types.AuthConfig{}, healthfnHappy)
assert.ErrorContains(t, err, "unable to check for image")
assert.ErrorContains(t, err, "something went wrong")
}
func TestInitPullFail(t *testing.T) {
ctx := context.Background()
opts := clitypes.EngineInitOptions{
EngineVersion: "engineversiongoeshere",
RegistryPrefix: "registryprefixgoeshere",
ConfigFile: "/tmp/configfilegoeshere",
EngineImage: clitypes.CommunityEngineImage,
}
client := baseClient{
cclient: &fakeContainerdClient{
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return []containerd.Container{}, nil
},
getImageFunc: func(ctx context.Context, ref string) (containerd.Image, error) {
return nil, errdefs.ErrNotFound
},
pullFunc: func(ctx context.Context, ref string, opts ...containerd.RemoteOpt) (containerd.Image, error) {
return nil, fmt.Errorf("pull failure")
},
},
}
err := client.InitEngine(ctx, opts, command.NewOutStream(&bytes.Buffer{}), &types.AuthConfig{}, healthfnHappy)
assert.ErrorContains(t, err, "unable to pull image")
assert.ErrorContains(t, err, "pull failure")
}
func TestInitStartFail(t *testing.T) {
ctx := context.Background()
opts := clitypes.EngineInitOptions{
EngineVersion: "engineversiongoeshere",
RegistryPrefix: "registryprefixgoeshere",
ConfigFile: "/tmp/configfilegoeshere",
EngineImage: clitypes.CommunityEngineImage,
}
client := baseClient{
cclient: &fakeContainerdClient{
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return []containerd.Container{}, nil
},
getImageFunc: func(ctx context.Context, ref string) (containerd.Image, error) {
return nil, errdefs.ErrNotFound
},
pullFunc: func(ctx context.Context, ref string, opts ...containerd.RemoteOpt) (containerd.Image, error) {
return nil, nil
},
},
}
err := client.InitEngine(ctx, opts, command.NewOutStream(&bytes.Buffer{}), &types.AuthConfig{}, healthfnHappy)
assert.ErrorContains(t, err, "failed to create docker daemon")
}
func TestGetEngineFail(t *testing.T) {
ctx := context.Background()
client := baseClient{
cclient: &fakeContainerdClient{
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return nil, fmt.Errorf("container failure")
},
},
}
_, err := client.GetEngine(ctx)
assert.ErrorContains(t, err, "failure")
}
func TestGetEngineNotPresent(t *testing.T) {
ctx := context.Background()
client := baseClient{
cclient: &fakeContainerdClient{
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return []containerd.Container{}, nil
},
},
}
_, err := client.GetEngine(ctx)
assert.Assert(t, err == ErrEngineNotPresent)
}
func TestGetEngineFound(t *testing.T) {
ctx := context.Background()
container := &fakeContainer{}
client := baseClient{
cclient: &fakeContainerdClient{
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return []containerd.Container{container}, nil
},
},
}
c, err := client.GetEngine(ctx)
assert.NilError(t, err)
assert.Equal(t, c, container)
}
func TestGetEngineImageFail(t *testing.T) {
client := baseClient{}
container := &fakeContainer{
imageFunc: func(context.Context) (containerd.Image, error) {
return nil, fmt.Errorf("failure")
},
}
_, err := client.getEngineImage(container)
assert.ErrorContains(t, err, "failure")
}
func TestGetEngineImagePass(t *testing.T) {
client := baseClient{}
image := &fakeImage{
nameFunc: func() string {
return "imagenamehere"
},
}
container := &fakeContainer{
imageFunc: func(context.Context) (containerd.Image, error) {
return image, nil
},
}
name, err := client.getEngineImage(container)
assert.NilError(t, err)
assert.Equal(t, name, "imagenamehere")
}
func TestWaitForEngineNeverShowsUp(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Millisecond)
defer cancel()
engineWaitInterval = 1 * time.Millisecond
client := baseClient{
cclient: &fakeContainerdClient{
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return []containerd.Container{}, nil
},
},
}
err := client.waitForEngine(ctx, command.NewOutStream(&bytes.Buffer{}), healthfnError)
assert.ErrorContains(t, err, "timeout waiting")
}
func TestWaitForEnginePingFail(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Millisecond)
defer cancel()
engineWaitInterval = 1 * time.Millisecond
container := &fakeContainer{}
client := baseClient{
cclient: &fakeContainerdClient{
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return []containerd.Container{container}, nil
},
},
}
err := client.waitForEngine(ctx, command.NewOutStream(&bytes.Buffer{}), healthfnError)
assert.ErrorContains(t, err, "ping fail")
}
func TestWaitForEngineHealthy(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Millisecond)
defer cancel()
engineWaitInterval = 1 * time.Millisecond
container := &fakeContainer{}
client := baseClient{
cclient: &fakeContainerdClient{
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return []containerd.Container{container}, nil
},
},
}
err := client.waitForEngine(ctx, command.NewOutStream(&bytes.Buffer{}), healthfnHappy)
assert.NilError(t, err)
}
func TestRemoveEngineBadTaskBadDelete(t *testing.T) {
ctx := context.Background()
client := baseClient{}
container := &fakeContainer{
deleteFunc: func(context.Context, ...containerd.DeleteOpts) error {
return fmt.Errorf("delete failure")
},
taskFunc: func(context.Context, cio.Attach) (containerd.Task, error) {
return nil, errdefs.ErrNotFound
},
}
err := client.removeEngine(ctx, container)
assert.ErrorContains(t, err, "failed to remove existing engine")
assert.ErrorContains(t, err, "delete failure")
}
func TestRemoveEngineTaskNoStatus(t *testing.T) {
ctx := context.Background()
client := baseClient{}
task := &fakeTask{
statusFunc: func(context.Context) (containerd.Status, error) {
return containerd.Status{}, fmt.Errorf("task status failure")
},
}
container := &fakeContainer{
taskFunc: func(context.Context, cio.Attach) (containerd.Task, error) {
return task, nil
},
}
err := client.removeEngine(ctx, container)
assert.ErrorContains(t, err, "task status failure")
}
func TestRemoveEngineTaskNotRunningDeleteFail(t *testing.T) {
ctx := context.Background()
client := baseClient{}
task := &fakeTask{
statusFunc: func(context.Context) (containerd.Status, error) {
return containerd.Status{Status: containerd.Unknown}, nil
},
deleteFunc: func(context.Context, ...containerd.ProcessDeleteOpts) (*containerd.ExitStatus, error) {
return nil, fmt.Errorf("task delete failure")
},
}
container := &fakeContainer{
taskFunc: func(context.Context, cio.Attach) (containerd.Task, error) {
return task, nil
},
}
err := client.removeEngine(ctx, container)
assert.ErrorContains(t, err, "task delete failure")
}
func TestRemoveEngineTaskRunningKillFail(t *testing.T) {
ctx := context.Background()
client := baseClient{}
task := &fakeTask{
statusFunc: func(context.Context) (containerd.Status, error) {
return containerd.Status{Status: containerd.Running}, nil
},
killFunc: func(context.Context, syscall.Signal, ...containerd.KillOpts) error {
return fmt.Errorf("task kill failure")
},
}
container := &fakeContainer{
taskFunc: func(context.Context, cio.Attach) (containerd.Task, error) {
return task, nil
},
}
err := client.removeEngine(ctx, container)
assert.ErrorContains(t, err, "task kill failure")
}
func TestRemoveEngineTaskRunningWaitFail(t *testing.T) {
ctx := context.Background()
client := baseClient{}
task := &fakeTask{
statusFunc: func(context.Context) (containerd.Status, error) {
return containerd.Status{Status: containerd.Running}, nil
},
waitFunc: func(context.Context) (<-chan containerd.ExitStatus, error) {
return nil, fmt.Errorf("task wait failure")
},
}
container := &fakeContainer{
taskFunc: func(context.Context, cio.Attach) (containerd.Task, error) {
return task, nil
},
}
err := client.removeEngine(ctx, container)
assert.ErrorContains(t, err, "task wait failure")
}
func TestRemoveEngineTaskRunningHappyPath(t *testing.T) {
ctx := context.Background()
client := baseClient{}
ch := make(chan containerd.ExitStatus, 1)
task := &fakeTask{
statusFunc: func(context.Context) (containerd.Status, error) {
return containerd.Status{Status: containerd.Running}, nil
},
waitFunc: func(context.Context) (<-chan containerd.ExitStatus, error) {
ch <- containerd.ExitStatus{}
return ch, nil
},
}
container := &fakeContainer{
taskFunc: func(context.Context, cio.Attach) (containerd.Task, error) {
return task, nil
},
}
err := client.removeEngine(ctx, container)
assert.NilError(t, err)
}
func TestRemoveEngineTaskKillTimeout(t *testing.T) {
ctx := context.Background()
ch := make(chan containerd.ExitStatus, 1)
client := baseClient{}
engineWaitTimeout = 10 * time.Millisecond
task := &fakeTask{
statusFunc: func(context.Context) (containerd.Status, error) {
return containerd.Status{Status: containerd.Running}, nil
},
waitFunc: func(context.Context) (<-chan containerd.ExitStatus, error) {
//ch <- containerd.ExitStatus{} // let it timeout
return ch, nil
},
}
container := &fakeContainer{
taskFunc: func(context.Context, cio.Attach) (containerd.Task, error) {
return task, nil
},
}
err := client.removeEngine(ctx, container)
assert.Assert(t, err == ErrEngineShutdownTimeout)
}
func TestStartEngineOnContainerdImageErr(t *testing.T) {
ctx := context.Background()
imageName := "testnamegoeshere"
configFile := "/tmp/configfilegoeshere"
client := baseClient{
cclient: &fakeContainerdClient{
getImageFunc: func(ctx context.Context, ref string) (containerd.Image, error) {
return nil, fmt.Errorf("some image lookup failure")
},
},
}
err := client.startEngineOnContainerd(ctx, imageName, configFile)
assert.ErrorContains(t, err, "some image lookup failure")
}
func TestStartEngineOnContainerdImageNotFound(t *testing.T) {
ctx := context.Background()
imageName := "testnamegoeshere"
configFile := "/tmp/configfilegoeshere"
client := baseClient{
cclient: &fakeContainerdClient{
getImageFunc: func(ctx context.Context, ref string) (containerd.Image, error) {
return nil, errdefs.ErrNotFound
},
},
}
err := client.startEngineOnContainerd(ctx, imageName, configFile)
assert.ErrorContains(t, err, "engine image missing")
}
func TestStartEngineOnContainerdHappy(t *testing.T) {
ctx := context.Background()
imageName := "testnamegoeshere"
configFile := "/tmp/configfilegoeshere"
ch := make(chan containerd.ExitStatus, 1)
streams := cio.Streams{}
task := &fakeTask{
statusFunc: func(context.Context) (containerd.Status, error) {
return containerd.Status{Status: containerd.Running}, nil
},
waitFunc: func(context.Context) (<-chan containerd.ExitStatus, error) {
ch <- containerd.ExitStatus{}
return ch, nil
},
}
container := &fakeContainer{
newTaskFunc: func(ctx context.Context, creator cio.Creator, opts ...containerd.NewTaskOpts) (containerd.Task, error) {
if streams.Stdout != nil {
streams.Stdout.Write([]byte("{}"))
}
return task, nil
},
}
client := baseClient{
cclient: &fakeContainerdClient{
getImageFunc: func(ctx context.Context, ref string) (containerd.Image, error) {
return nil, nil
},
newContainerFunc: func(ctx context.Context, id string, opts ...containerd.NewContainerOpts) (containerd.Container, error) {
return container, nil
},
},
}
err := client.startEngineOnContainerd(ctx, imageName, configFile)
assert.NilError(t, err)
}
func TestGetEngineConfigFilePathBadSpec(t *testing.T) {
ctx := context.Background()
client := baseClient{}
container := &fakeContainer{
specFunc: func(context.Context) (*oci.Spec, error) {
return nil, fmt.Errorf("spec error")
},
}
_, err := client.getEngineConfigFilePath(ctx, container)
assert.ErrorContains(t, err, "spec error")
}
func TestGetEngineConfigFilePathDistinct(t *testing.T) {
ctx := context.Background()
client := baseClient{}
container := &fakeContainer{
specFunc: func(context.Context) (*oci.Spec, error) {
return &oci.Spec{
Process: &specs.Process{
Args: []string{
"--another-flag",
"foo",
"--config-file",
"configpath",
},
},
}, nil
},
}
configFile, err := client.getEngineConfigFilePath(ctx, container)
assert.NilError(t, err)
assert.Assert(t, err, configFile == "configpath")
}
func TestGetEngineConfigFilePathEquals(t *testing.T) {
ctx := context.Background()
client := baseClient{}
container := &fakeContainer{
specFunc: func(context.Context) (*oci.Spec, error) {
return &oci.Spec{
Process: &specs.Process{
Args: []string{
"--another-flag=foo",
"--config-file=configpath",
},
},
}, nil
},
}
configFile, err := client.getEngineConfigFilePath(ctx, container)
assert.NilError(t, err)
assert.Assert(t, err, configFile == "configpath")
}
func TestGetEngineConfigFilePathMalformed1(t *testing.T) {
ctx := context.Background()
client := baseClient{}
container := &fakeContainer{
specFunc: func(context.Context) (*oci.Spec, error) {
return &oci.Spec{
Process: &specs.Process{
Args: []string{
"--another-flag",
"--config-file",
},
},
}, nil
},
}
_, err := client.getEngineConfigFilePath(ctx, container)
assert.Assert(t, err == ErrMalformedConfigFileParam)
}
// getEngineConfigFilePath will extract the config file location from the engine flags
func (c baseClient) getEngineConfigFilePath(ctx context.Context, engine containerd.Container) (string, error) {
spec, err := engine.Spec(ctx)
configFile := ""
if err != nil {
return configFile, err
}
for i := 0; i < len(spec.Process.Args); i++ {
arg := spec.Process.Args[i]
if strings.HasPrefix(arg, "--config-file") {
if strings.Contains(arg, "=") {
split := strings.SplitN(arg, "=", 2)
configFile = split[1]
} else {
if i+1 >= len(spec.Process.Args) {
return configFile, ErrMalformedConfigFileParam
}
configFile = spec.Process.Args[i+1]
}
}
}
if configFile == "" {
// TODO - any more diagnostics to offer?
return configFile, ErrEngineConfigLookupFailure
}
return configFile, nil
}

View File

@ -1,16 +0,0 @@
// +build !windows
package containerizedengine
import (
"github.com/containerd/containerd"
"github.com/containerd/containerd/oci"
"github.com/docker/cli/internal/pkg/containerized"
)
func genSpec() containerd.NewContainerOpts {
return containerd.WithSpec(&engineSpec,
containerized.WithAllCapabilities,
oci.WithParentCgroupDevices,
)
}

View File

@ -1,14 +0,0 @@
// +build windows
package containerizedengine
import (
"github.com/containerd/containerd"
"github.com/docker/cli/internal/pkg/containerized"
)
func genSpec() containerd.NewContainerOpts {
return containerd.WithSpec(&engineSpec,
containerized.WithAllCapabilities,
)
}

View File

@ -1,35 +0,0 @@
package containerizedengine
import (
"os"
"path"
)
func (c baseClient) verifyDockerConfig(configFile string) error {
// TODO - in the future consider leveraging containerd and a host runtime
// to create the file. For now, just create it locally since we have to be
// local to talk to containerd
configDir := path.Dir(configFile)
err := os.MkdirAll(configDir, 0644)
if err != nil {
return err
}
fd, err := os.OpenFile(configFile, os.O_RDWR|os.O_CREATE, 0755)
if err != nil {
return err
}
defer fd.Close()
info, err := fd.Stat()
if err != nil {
return err
}
if info.Size() == 0 {
_, err := fd.Write([]byte("{}"))
return err
}
return nil
}

View File

@ -1,12 +0,0 @@
// +build !windows
package containerizedengine
import (
"golang.org/x/sys/unix"
)
var (
// SIGKILL maps to unix.SIGKILL
SIGKILL = unix.SIGKILL
)

View File

@ -1,12 +0,0 @@
// +build windows
package containerizedengine
import (
"syscall"
)
var (
// SIGKILL all signals are ignored by containerd kill windows
SIGKILL = syscall.Signal(0)
)

View File

@ -7,16 +7,15 @@ import (
"github.com/containerd/containerd" "github.com/containerd/containerd"
"github.com/containerd/containerd/containers" "github.com/containerd/containerd/containers"
"github.com/containerd/containerd/content" "github.com/containerd/containerd/content"
specs "github.com/opencontainers/runtime-spec/specs-go"
) )
const ( const (
containerdSockPath = "/run/containerd/containerd.sock" containerdSockPath = "/run/containerd/containerd.sock"
engineContainerName = "dockerd" engineNamespace = "com.docker"
engineNamespace = "docker"
// Used to signal the containerd-proxy if it should manage // runtimeMetadataName is the name of the runtime metadata file
proxyLabel = "com.docker/containerd-proxy.scope" // When stored as a label on the container it is prefixed by "com.docker."
runtimeMetadataName = "distribution_based_engine"
) )
var ( var (
@ -34,39 +33,6 @@ var (
// ErrEngineShutdownTimeout returned if the engine failed to shutdown in time // ErrEngineShutdownTimeout returned if the engine failed to shutdown in time
ErrEngineShutdownTimeout = errors.New("timeout waiting for engine to exit") ErrEngineShutdownTimeout = errors.New("timeout waiting for engine to exit")
// ErrEngineImageMissingTag returned if the engine image is missing the version tag
ErrEngineImageMissingTag = errors.New("malformed engine image missing tag")
engineSpec = specs.Spec{
Root: &specs.Root{
Path: "rootfs",
},
Process: &specs.Process{
Cwd: "/",
Args: []string{
// In general, configuration should be driven by the config file, not these flags
// TODO - consider moving more of these to the config file, and make sure the defaults are set if not present.
"/sbin/dockerd",
"-s",
"overlay2",
"--containerd",
"/run/containerd/containerd.sock",
"--default-runtime",
"containerd",
"--add-runtime",
"containerd=runc",
},
User: specs.User{
UID: 0,
GID: 0,
},
Env: []string{
"PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin",
},
NoNewPrivileges: false,
},
}
) )
type baseClient struct { type baseClient struct {
@ -82,4 +48,13 @@ type containerdClient interface {
Close() error Close() error
ContentStore() content.Store ContentStore() content.Store
ContainerService() containers.Store ContainerService() containers.Store
Install(context.Context, containerd.Image, ...containerd.InstallOpts) error
Version(ctx context.Context) (containerd.Version, error)
}
// RuntimeMetadata holds platform information about the daemon
type RuntimeMetadata struct {
Platform string `json:"platform"`
ContainerdMinVersion string `json:"containerd_min_version"`
Runtime string `json:"runtime"`
} }

View File

@ -2,74 +2,31 @@ package containerizedengine
import ( import (
"context" "context"
"encoding/json"
"fmt" "fmt"
"path" "io/ioutil"
"os"
"path/filepath"
"strings" "strings"
"github.com/containerd/containerd"
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/errdefs" "github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/images"
"github.com/containerd/containerd/namespaces" "github.com/containerd/containerd/namespaces"
"github.com/docker/cli/internal/pkg/containerized"
clitypes "github.com/docker/cli/types" clitypes "github.com/docker/cli/types"
"github.com/docker/distribution/reference" "github.com/docker/distribution/reference"
"github.com/docker/docker/api/types" "github.com/docker/docker/api/types"
ver "github.com/hashicorp/go-version"
"github.com/opencontainers/image-spec/specs-go/v1"
"github.com/pkg/errors" "github.com/pkg/errors"
) )
// GetCurrentEngineVersion determines the current type of engine (image) and version
func (c *baseClient) GetCurrentEngineVersion(ctx context.Context) (clitypes.EngineInitOptions, error) {
ctx = namespaces.WithNamespace(ctx, engineNamespace)
ret := clitypes.EngineInitOptions{}
currentEngine := clitypes.CommunityEngineImage
engine, err := c.GetEngine(ctx)
if err != nil {
if err == ErrEngineNotPresent {
return ret, errors.Wrap(err, "failed to find existing engine")
}
return ret, err
}
imageName, err := c.getEngineImage(engine)
if err != nil {
return ret, err
}
distributionRef, err := reference.ParseNormalizedNamed(imageName)
if err != nil {
return ret, errors.Wrapf(err, "failed to parse image name: %s", imageName)
}
if strings.Contains(distributionRef.Name(), clitypes.EnterpriseEngineImage) {
currentEngine = clitypes.EnterpriseEngineImage
}
taggedRef, ok := distributionRef.(reference.NamedTagged)
if !ok {
return ret, ErrEngineImageMissingTag
}
ret.EngineImage = currentEngine
ret.EngineVersion = taggedRef.Tag()
ret.RegistryPrefix = reference.Domain(taggedRef) + "/" + path.Dir(reference.Path(taggedRef))
return ret, nil
}
// ActivateEngine will switch the image from the CE to EE image // ActivateEngine will switch the image from the CE to EE image
func (c *baseClient) ActivateEngine(ctx context.Context, opts clitypes.EngineInitOptions, out clitypes.OutStream, func (c *baseClient) ActivateEngine(ctx context.Context, opts clitypes.EngineInitOptions, out clitypes.OutStream,
authConfig *types.AuthConfig, healthfn func(context.Context) error) error { authConfig *types.AuthConfig, healthfn func(context.Context) error) error {
// set the proxy scope to "ee" for activate flows
opts.Scope = "ee"
ctx = namespaces.WithNamespace(ctx, engineNamespace) ctx = namespaces.WithNamespace(ctx, engineNamespace)
// If version is unspecified, use the existing engine version
if opts.EngineVersion == "" {
currentOpts, err := c.GetCurrentEngineVersion(ctx)
if err != nil {
return err
}
opts.EngineVersion = currentOpts.EngineVersion
if currentOpts.EngineImage == clitypes.EnterpriseEngineImage {
// This is a "no-op" activation so the only change would be the license - don't update the engine itself
return nil
}
}
return c.DoUpdate(ctx, opts, out, authConfig, healthfn) return c.DoUpdate(ctx, opts, out, authConfig, healthfn)
} }
@ -84,7 +41,21 @@ func (c *baseClient) DoUpdate(ctx context.Context, opts clitypes.EngineInitOptio
// current engine version and automatically apply it so users // current engine version and automatically apply it so users
// could stay in sync by simply having a scheduled // could stay in sync by simply having a scheduled
// `docker engine update` // `docker engine update`
return fmt.Errorf("please pick the version you want to update to") return fmt.Errorf("pick the version you want to update to with --version")
}
localMetadata, err := c.GetCurrentRuntimeMetadata(ctx, "")
if err == nil {
if opts.EngineImage == "" {
if strings.Contains(strings.ToLower(localMetadata.Platform), "community") {
opts.EngineImage = clitypes.CommunityEngineImage
} else {
opts.EngineImage = clitypes.EnterpriseEngineImage
}
}
}
if opts.EngineImage == "" {
return fmt.Errorf("unable to determine the installed engine version. Specify which engine image to update with --engine-image set to 'engine-community' or 'engine-enterprise'")
} }
imageName := fmt.Sprintf("%s/%s:%s", opts.RegistryPrefix, opts.EngineImage, opts.EngineVersion) imageName := fmt.Sprintf("%s/%s:%s", opts.RegistryPrefix, opts.EngineImage, opts.EngineVersion)
@ -102,30 +73,137 @@ func (c *baseClient) DoUpdate(ctx context.Context, opts clitypes.EngineInitOptio
} }
} }
// Gather information about the existing engine so we can recreate it // Make sure we're safe to proceed
engine, err := c.GetEngine(ctx) newMetadata, err := c.PreflightCheck(ctx, image)
if err != nil {
if err == ErrEngineNotPresent {
return errors.Wrap(err, "unable to find existing engine - please use init")
}
return err
}
// TODO verify the image has changed and don't update if nothing has changed
err = containerized.AtomicImageUpdate(ctx, engine, image, func() error {
ctx, cancel := context.WithTimeout(ctx, engineWaitTimeout)
defer cancel()
return c.waitForEngine(ctx, out, healthfn)
})
if err == nil && opts.Scope != "" {
var labels map[string]string
labels, err = engine.Labels(ctx)
if err != nil { if err != nil {
return err return err
} }
labels[proxyLabel] = opts.Scope // Grab current metadata for comparison purposes
_, err = engine.SetLabels(ctx, labels) if localMetadata != nil {
if localMetadata.Platform != newMetadata.Platform {
fmt.Fprintf(out, "\nNotice: you have switched to \"%s\". Refer to %s for update instructions.\n\n", newMetadata.Platform, getReleaseNotesURL(imageName))
} }
}
if err := c.cclient.Install(ctx, image, containerd.WithInstallReplace, containerd.WithInstallPath("/usr")); err != nil {
return err return err
} }
return c.WriteRuntimeMetadata("", newMetadata)
}
var defaultDockerRoot = "/var/lib/docker"
// GetCurrentRuntimeMetadata loads the current daemon runtime metadata information from the local host
func (c *baseClient) GetCurrentRuntimeMetadata(_ context.Context, dockerRoot string) (*RuntimeMetadata, error) {
if dockerRoot == "" {
dockerRoot = defaultDockerRoot
}
filename := filepath.Join(dockerRoot, runtimeMetadataName+".json")
data, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
var res RuntimeMetadata
err = json.Unmarshal(data, &res)
if err != nil {
return nil, errors.Wrapf(err, "malformed runtime metadata file %s", filename)
}
return &res, nil
}
// WriteRuntimeMetadata stores the metadata on the local system
func (c *baseClient) WriteRuntimeMetadata(dockerRoot string, metadata *RuntimeMetadata) error {
if dockerRoot == "" {
dockerRoot = defaultDockerRoot
}
filename := filepath.Join(dockerRoot, runtimeMetadataName+".json")
data, err := json.Marshal(metadata)
if err != nil {
return err
}
os.Remove(filename)
return ioutil.WriteFile(filename, data, 0644)
}
// PreflightCheck verifies the specified image is compatible with the local system before proceeding to update/activate
// If things look good, the RuntimeMetadata for the new image is returned and can be written out to the host
func (c *baseClient) PreflightCheck(ctx context.Context, image containerd.Image) (*RuntimeMetadata, error) {
var metadata RuntimeMetadata
ic, err := image.Config(ctx)
if err != nil {
return nil, err
}
var (
ociimage v1.Image
config v1.ImageConfig
)
switch ic.MediaType {
case v1.MediaTypeImageConfig, images.MediaTypeDockerSchema2Config:
p, err := content.ReadBlob(ctx, image.ContentStore(), ic)
if err != nil {
return nil, err
}
if err := json.Unmarshal(p, &ociimage); err != nil {
return nil, err
}
config = ociimage.Config
default:
return nil, fmt.Errorf("unknown image %s config media type %s", image.Name(), ic.MediaType)
}
metadataString, ok := config.Labels["com.docker."+runtimeMetadataName]
if !ok {
return nil, fmt.Errorf("image %s does not contain runtime metadata label %s", image.Name(), runtimeMetadataName)
}
err = json.Unmarshal([]byte(metadataString), &metadata)
if err != nil {
return nil, errors.Wrapf(err, "malformed runtime metadata file in %s", image.Name())
}
// Current CLI only supports host install runtime
if metadata.Runtime != "host_install" {
return nil, fmt.Errorf("unsupported daemon image: %s\nConsult the release notes at %s for upgrade instructions", metadata.Runtime, getReleaseNotesURL(image.Name()))
}
// Verify local containerd is new enough
localVersion, err := c.cclient.Version(ctx)
if err != nil {
return nil, err
}
if metadata.ContainerdMinVersion != "" {
lv, err := ver.NewVersion(localVersion.Version)
if err != nil {
return nil, err
}
mv, err := ver.NewVersion(metadata.ContainerdMinVersion)
if err != nil {
return nil, err
}
if lv.LessThan(mv) {
return nil, fmt.Errorf("local containerd is too old: %s - this engine version requires %s or newer.\nConsult the release notes at %s for upgrade instructions",
localVersion.Version, metadata.ContainerdMinVersion, getReleaseNotesURL(image.Name()))
}
} // If omitted on metadata, no hard dependency on containerd version beyond 18.09 baseline
// All checks look OK, proceed with update
return &metadata, nil
}
// getReleaseNotesURL returns a release notes url
// If the image name does not contain a version tag, the base release notes URL is returned
func getReleaseNotesURL(imageName string) string {
versionTag := ""
distributionRef, err := reference.ParseNormalizedNamed(imageName)
if err == nil {
taggedRef, ok := distributionRef.(reference.NamedTagged)
if ok {
versionTag = taggedRef.Tag()
}
}
return fmt.Sprintf("%s/%s", clitypes.ReleaseNotePrefix, versionTag)
}

View File

@ -4,6 +4,9 @@ import (
"bytes" "bytes"
"context" "context"
"fmt" "fmt"
"io/ioutil"
"os"
"path/filepath"
"testing" "testing"
"github.com/containerd/containerd" "github.com/containerd/containerd"
@ -12,162 +15,24 @@ import (
"github.com/docker/cli/cli/command" "github.com/docker/cli/cli/command"
clitypes "github.com/docker/cli/types" clitypes "github.com/docker/cli/types"
"github.com/docker/docker/api/types" "github.com/docker/docker/api/types"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
"gotest.tools/assert" "gotest.tools/assert"
) )
func TestGetCurrentEngineVersionHappy(t *testing.T) { func healthfnHappy(ctx context.Context) error {
ctx := context.Background() return nil
image := &fakeImage{
nameFunc: func() string {
return "acme.com/dockermirror/" + clitypes.CommunityEngineImage + ":engineversion"
},
}
container := &fakeContainer{
imageFunc: func(context.Context) (containerd.Image, error) {
return image, nil
},
}
client := baseClient{
cclient: &fakeContainerdClient{
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return []containerd.Container{container}, nil
},
},
} }
opts, err := client.GetCurrentEngineVersion(ctx) func TestActivateConfigFailure(t *testing.T) {
assert.NilError(t, err)
assert.Equal(t, opts.EngineImage, clitypes.CommunityEngineImage)
assert.Equal(t, opts.RegistryPrefix, "acme.com/dockermirror")
assert.Equal(t, opts.EngineVersion, "engineversion")
}
func TestGetCurrentEngineVersionEnterpriseHappy(t *testing.T) {
ctx := context.Background()
image := &fakeImage{
nameFunc: func() string {
return "docker.io/docker/" + clitypes.EnterpriseEngineImage + ":engineversion"
},
}
container := &fakeContainer{
imageFunc: func(context.Context) (containerd.Image, error) {
return image, nil
},
}
client := baseClient{
cclient: &fakeContainerdClient{
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return []containerd.Container{container}, nil
},
},
}
opts, err := client.GetCurrentEngineVersion(ctx)
assert.NilError(t, err)
assert.Equal(t, opts.EngineImage, clitypes.EnterpriseEngineImage)
assert.Equal(t, opts.EngineVersion, "engineversion")
assert.Equal(t, opts.RegistryPrefix, "docker.io/docker")
}
func TestGetCurrentEngineVersionNoEngine(t *testing.T) {
ctx := context.Background()
client := baseClient{
cclient: &fakeContainerdClient{
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return []containerd.Container{}, nil
},
},
}
_, err := client.GetCurrentEngineVersion(ctx)
assert.ErrorContains(t, err, "failed to find existing engine")
}
func TestGetCurrentEngineVersionMiscEngineError(t *testing.T) {
ctx := context.Background()
expectedError := fmt.Errorf("some container lookup error")
client := baseClient{
cclient: &fakeContainerdClient{
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return nil, expectedError
},
},
}
_, err := client.GetCurrentEngineVersion(ctx)
assert.Assert(t, err == expectedError)
}
func TestGetCurrentEngineVersionImageFailure(t *testing.T) {
ctx := context.Background()
container := &fakeContainer{
imageFunc: func(context.Context) (containerd.Image, error) {
return nil, fmt.Errorf("container image failure")
},
}
client := baseClient{
cclient: &fakeContainerdClient{
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return []containerd.Container{container}, nil
},
},
}
_, err := client.GetCurrentEngineVersion(ctx)
assert.ErrorContains(t, err, "container image failure")
}
func TestGetCurrentEngineVersionMalformed(t *testing.T) {
ctx := context.Background()
image := &fakeImage{
nameFunc: func() string {
return "imagename"
},
}
container := &fakeContainer{
imageFunc: func(context.Context) (containerd.Image, error) {
return image, nil
},
}
client := baseClient{
cclient: &fakeContainerdClient{
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return []containerd.Container{container}, nil
},
},
}
_, err := client.GetCurrentEngineVersion(ctx)
assert.Assert(t, err == ErrEngineImageMissingTag)
}
func TestActivateNoEngine(t *testing.T) {
ctx := context.Background()
client := baseClient{
cclient: &fakeContainerdClient{
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return []containerd.Container{}, nil
},
},
}
opts := clitypes.EngineInitOptions{
EngineVersion: "engineversiongoeshere",
RegistryPrefix: "registryprefixgoeshere",
ConfigFile: "/tmp/configfilegoeshere",
EngineImage: clitypes.EnterpriseEngineImage,
}
err := client.ActivateEngine(ctx, opts, command.NewOutStream(&bytes.Buffer{}), &types.AuthConfig{}, healthfnHappy)
assert.ErrorContains(t, err, "unable to find")
}
func TestActivateNoChange(t *testing.T) {
ctx := context.Background() ctx := context.Background()
registryPrefix := "registryprefixgoeshere" registryPrefix := "registryprefixgoeshere"
image := &fakeImage{ image := &fakeImage{
nameFunc: func() string { nameFunc: func() string {
return registryPrefix + "/" + clitypes.EnterpriseEngineImage + ":engineversion" return registryPrefix + "/" + clitypes.EnterpriseEngineImage + ":engineversion"
}, },
configFunc: func(ctx context.Context) (ocispec.Descriptor, error) {
return ocispec.Descriptor{}, fmt.Errorf("config lookup failure")
},
} }
container := &fakeContainer{ container := &fakeContainer{
imageFunc: func(context.Context) (containerd.Image, error) { imageFunc: func(context.Context) (containerd.Image, error) {
@ -185,6 +50,9 @@ func TestActivateNoChange(t *testing.T) {
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) { containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return []containerd.Container{container}, nil return []containerd.Container{container}, nil
}, },
getImageFunc: func(ctx context.Context, ref string) (containerd.Image, error) {
return image, nil
},
}, },
} }
opts := clitypes.EngineInitOptions{ opts := clitypes.EngineInitOptions{
@ -195,7 +63,7 @@ func TestActivateNoChange(t *testing.T) {
} }
err := client.ActivateEngine(ctx, opts, command.NewOutStream(&bytes.Buffer{}), &types.AuthConfig{}, healthfnHappy) err := client.ActivateEngine(ctx, opts, command.NewOutStream(&bytes.Buffer{}), &types.AuthConfig{}, healthfnHappy)
assert.NilError(t, err) assert.ErrorContains(t, err, "config lookup failure")
} }
func TestActivateDoUpdateFail(t *testing.T) { func TestActivateDoUpdateFail(t *testing.T) {
@ -244,7 +112,7 @@ func TestDoUpdateNoVersion(t *testing.T) {
} }
client := baseClient{} client := baseClient{}
err := client.DoUpdate(ctx, opts, command.NewOutStream(&bytes.Buffer{}), &types.AuthConfig{}, healthfnHappy) err := client.DoUpdate(ctx, opts, command.NewOutStream(&bytes.Buffer{}), &types.AuthConfig{}, healthfnHappy)
assert.ErrorContains(t, err, "please pick the version you") assert.ErrorContains(t, err, "pick the version you")
} }
func TestDoUpdateImageMiscError(t *testing.T) { func TestDoUpdateImageMiscError(t *testing.T) {
@ -292,30 +160,114 @@ func TestDoUpdatePullFail(t *testing.T) {
assert.ErrorContains(t, err, "pull failure") assert.ErrorContains(t, err, "pull failure")
} }
func TestDoUpdateEngineMissing(t *testing.T) { func TestActivateDoUpdateVerifyImageName(t *testing.T) {
ctx := context.Background() ctx := context.Background()
registryPrefix := "registryprefixgoeshere"
image := &fakeImage{
nameFunc: func() string {
return registryPrefix + "/ce-engine:engineversion"
},
}
container := &fakeContainer{
imageFunc: func(context.Context) (containerd.Image, error) {
return image, nil
},
}
requestedImage := "unset"
client := baseClient{
cclient: &fakeContainerdClient{
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) {
return []containerd.Container{container}, nil
},
getImageFunc: func(ctx context.Context, ref string) (containerd.Image, error) {
requestedImage = ref
return nil, fmt.Errorf("something went wrong")
},
},
}
opts := clitypes.EngineInitOptions{ opts := clitypes.EngineInitOptions{
EngineVersion: "engineversiongoeshere", EngineVersion: "engineversiongoeshere",
RegistryPrefix: "registryprefixgoeshere", RegistryPrefix: "registryprefixgoeshere",
ConfigFile: "/tmp/configfilegoeshere", ConfigFile: "/tmp/configfilegoeshere",
EngineImage: "testnamegoeshere",
} }
image := &fakeImage{
nameFunc: func() string {
return "imagenamehere"
},
}
client := baseClient{
cclient: &fakeContainerdClient{
getImageFunc: func(ctx context.Context, ref string) (containerd.Image, error) {
return image, nil
}, tmpdir, err := ioutil.TempDir("", "docker-root")
containersFunc: func(ctx context.Context, filters ...string) ([]containerd.Container, error) { assert.NilError(t, err)
return []containerd.Container{}, nil defer os.RemoveAll(tmpdir)
}, tmpDockerRoot := defaultDockerRoot
}, defaultDockerRoot = tmpdir
defer func() {
defaultDockerRoot = tmpDockerRoot
}()
metadata := RuntimeMetadata{Platform: "platformgoeshere"}
err = client.WriteRuntimeMetadata(tmpdir, &metadata)
assert.NilError(t, err)
err = client.ActivateEngine(ctx, opts, command.NewOutStream(&bytes.Buffer{}), &types.AuthConfig{}, healthfnHappy)
assert.ErrorContains(t, err, "check for image")
assert.ErrorContains(t, err, "something went wrong")
expectedImage := fmt.Sprintf("%s/%s:%s", opts.RegistryPrefix, "engine-enterprise", opts.EngineVersion)
assert.Assert(t, requestedImage == expectedImage, "%s != %s", requestedImage, expectedImage)
// Redo with enterprise set
metadata = RuntimeMetadata{Platform: "Docker Engine - Enterprise"}
err = client.WriteRuntimeMetadata(tmpdir, &metadata)
assert.NilError(t, err)
err = client.ActivateEngine(ctx, opts, command.NewOutStream(&bytes.Buffer{}), &types.AuthConfig{}, healthfnHappy)
assert.ErrorContains(t, err, "check for image")
assert.ErrorContains(t, err, "something went wrong")
expectedImage = fmt.Sprintf("%s/%s:%s", opts.RegistryPrefix, "engine-enterprise", opts.EngineVersion)
assert.Assert(t, requestedImage == expectedImage, "%s != %s", requestedImage, expectedImage)
} }
err := client.DoUpdate(ctx, opts, command.NewOutStream(&bytes.Buffer{}), &types.AuthConfig{}, healthfnHappy)
assert.ErrorContains(t, err, "unable to find existing engine") func TestGetCurrentRuntimeMetadataNotPresent(t *testing.T) {
ctx := context.Background()
tmpdir, err := ioutil.TempDir("", "docker-root")
assert.NilError(t, err)
defer os.RemoveAll(tmpdir)
client := baseClient{}
_, err = client.GetCurrentRuntimeMetadata(ctx, tmpdir)
assert.ErrorType(t, err, os.IsNotExist)
}
func TestGetCurrentRuntimeMetadataBadJson(t *testing.T) {
ctx := context.Background()
tmpdir, err := ioutil.TempDir("", "docker-root")
assert.NilError(t, err)
defer os.RemoveAll(tmpdir)
filename := filepath.Join(tmpdir, runtimeMetadataName+".json")
err = ioutil.WriteFile(filename, []byte("not json"), 0644)
assert.NilError(t, err)
client := baseClient{}
_, err = client.GetCurrentRuntimeMetadata(ctx, tmpdir)
assert.ErrorContains(t, err, "malformed runtime metadata file")
}
func TestGetCurrentRuntimeMetadataHappyPath(t *testing.T) {
ctx := context.Background()
tmpdir, err := ioutil.TempDir("", "docker-root")
assert.NilError(t, err)
defer os.RemoveAll(tmpdir)
client := baseClient{}
metadata := RuntimeMetadata{Platform: "platformgoeshere"}
err = client.WriteRuntimeMetadata(tmpdir, &metadata)
assert.NilError(t, err)
res, err := client.GetCurrentRuntimeMetadata(ctx, tmpdir)
assert.NilError(t, err)
assert.Equal(t, res.Platform, "platformgoeshere")
}
func TestGetReleaseNotesURL(t *testing.T) {
imageName := "bogus image name #$%&@!"
url := getReleaseNotesURL(imageName)
assert.Equal(t, url, clitypes.ReleaseNotePrefix+"/")
imageName = "foo.bar/valid/repowithouttag"
url = getReleaseNotesURL(imageName)
assert.Equal(t, url, clitypes.ReleaseNotePrefix+"/")
imageName = "foo.bar/valid/repowithouttag:tag123"
url = getReleaseNotesURL(imageName)
assert.Equal(t, url, clitypes.ReleaseNotePrefix+"/tag123")
} }

View File

@ -1,19 +1,23 @@
package containerizedengine package versions
import ( import (
"context" "context"
"path"
"sort" "sort"
"strings"
registryclient "github.com/docker/cli/cli/registry/client" registryclient "github.com/docker/cli/cli/registry/client"
clitypes "github.com/docker/cli/types" clitypes "github.com/docker/cli/types"
"github.com/docker/distribution/reference" "github.com/docker/distribution/reference"
"github.com/docker/docker/api/types"
ver "github.com/hashicorp/go-version" ver "github.com/hashicorp/go-version"
"github.com/pkg/errors" "github.com/pkg/errors"
"github.com/sirupsen/logrus" "github.com/sirupsen/logrus"
) )
// GetEngineVersions reports the versions of the engine that are available // GetEngineVersions reports the versions of the engine that are available
func (c *baseClient) GetEngineVersions(ctx context.Context, registryClient registryclient.RegistryClient, currentVersion, imageName string) (clitypes.AvailableVersions, error) { func GetEngineVersions(ctx context.Context, registryClient registryclient.RegistryClient, registryPrefix string, serverVersion types.Version) (clitypes.AvailableVersions, error) {
imageName := getEngineImage(registryPrefix, serverVersion)
imageRef, err := reference.ParseNormalizedNamed(imageName) imageRef, err := reference.ParseNormalizedNamed(imageName)
if err != nil { if err != nil {
return clitypes.AvailableVersions{}, err return clitypes.AvailableVersions{}, err
@ -24,7 +28,25 @@ func (c *baseClient) GetEngineVersions(ctx context.Context, registryClient regis
return clitypes.AvailableVersions{}, err return clitypes.AvailableVersions{}, err
} }
return parseTags(tags, currentVersion) return parseTags(tags, serverVersion.Version)
}
func getEngineImage(registryPrefix string, serverVersion types.Version) string {
platform := strings.ToLower(serverVersion.Platform.Name)
if platform != "" {
if strings.Contains(platform, "enterprise") {
return path.Join(registryPrefix, clitypes.EnterpriseEngineImage)
}
return path.Join(registryPrefix, clitypes.CommunityEngineImage)
}
// TODO This check is only applicable for early 18.09 builds that had some packaging bugs
// and can be removed once we're no longer testing with them
if strings.Contains(serverVersion.Version, "ee") {
return path.Join(registryPrefix, clitypes.EnterpriseEngineImage)
}
return path.Join(registryPrefix, clitypes.CommunityEngineImage)
} }
func parseTags(tags []string, currentVersion string) (clitypes.AvailableVersions, error) { func parseTags(tags []string, currentVersion string) (clitypes.AvailableVersions, error) {

View File

@ -1,19 +1,19 @@
package containerizedengine package versions
import ( import (
"context" "context"
"testing" "testing"
"github.com/docker/docker/api/types"
"gotest.tools/assert" "gotest.tools/assert"
) )
func TestGetEngineVersionsBadImage(t *testing.T) { func TestGetEngineVersionsBadImage(t *testing.T) {
ctx := context.Background() ctx := context.Background()
client := baseClient{}
currentVersion := "currentversiongoeshere" registryPrefix := "this is an illegal image $%^&"
imageName := "this is an illegal image $%^&" currentVersion := types.Version{Version: "currentversiongoeshere"}
_, err := client.GetEngineVersions(ctx, nil, currentVersion, imageName) _, err := GetEngineVersions(ctx, nil, registryPrefix, currentVersion)
assert.ErrorContains(t, err, "invalid reference format") assert.ErrorContains(t, err, "invalid reference format")
} }

View File

@ -1,5 +0,0 @@
#!/usr/bin/env bash
set -eu -o pipefail
# TODO fetch images?
./scripts/test/engine/wrapper

View File

@ -1,107 +0,0 @@
#!/usr/bin/env bash
# Run engine specific integration tests against the latest containerd-in-docker
set -eu -o pipefail
function container_ip {
local cid=$1
local network=$2
docker inspect \
-f "{{.NetworkSettings.Networks.${network}.IPAddress}}" "$cid"
}
function fetch_images {
## TODO - not yet implemented
./scripts/test/engine/load-image fetch-only
}
function setup {
### start containerd and log to a file
echo "Starting containerd in the background"
containerd 2&> /tmp/containerd.err &
echo "Waiting for containerd to be responsive"
# shellcheck disable=SC2034
for i in $(seq 1 60); do
if ctr namespace ls > /dev/null; then
break
fi
sleep 1
done
ctr namespace ls > /dev/null
echo "containerd is ready"
# TODO Once https://github.com/moby/moby/pull/33355 or equivalent
# is merged, then this can be optimized to preload the image
# saved during the build phase
}
function cleanup {
#### if testexit is non-zero dump the containerd logs with a banner
if [ "${testexit}" -ne 0 ] ; then
echo "FAIL: dumping containerd logs"
echo ""
cat /tmp/containerd.err
if [ -f /var/log/engine.log ] ; then
echo ""
echo "FAIL: dumping engine log"
echo ""
else
echo ""
echo "FAIL: engine log missing"
echo ""
fi
echo "FAIL: remaining namespaces"
ctr namespace ls || /bin/tru
echo "FAIL: remaining containers"
ctr --namespace docker container ls || /bin/tru
echo "FAIL: remaining tasks"
ctr --namespace docker task ls || /bin/tru
echo "FAIL: remaining snapshots"
ctr --namespace docker snapshots ls || /bin/tru
echo "FAIL: remaining images"
ctr --namespace docker image ls || /bin/tru
fi
}
function runtests {
# shellcheck disable=SC2086
env -i \
GOPATH="$GOPATH" \
PATH="$PWD/build/:${PATH}" \
VERSION=${VERSION} \
"$(which go)" test -p 1 -parallel 1 -v ./e2eengine/... ${TESTFLAGS-}
}
cmd=${1-}
case "$cmd" in
setup)
setup
exit
;;
cleanup)
cleanup
exit
;;
fetch-images)
fetch_images
exit
;;
test)
runtests
;;
run|"")
testexit=0
runtests || testexit=$?
cleanup
exit $testexit
;;
shell)
$SHELL
;;
*)
echo "Unknown command: $cmd"
echo "Usage: "
echo " $0 [setup | cleanup | test | run]"
exit 1
;;
esac

View File

@ -1,18 +0,0 @@
#!/usr/bin/env bash
# Setup, run and teardown engine test suite in containers.
set -eu -o pipefail
./scripts/test/engine/run setup
testexit=0
test_cmd="test"
if [[ -n "${TEST_DEBUG-}" ]]; then
test_cmd="shell"
fi
./scripts/test/engine/run "$test_cmd" || testexit="$?"
export testexit
./scripts/test/engine/run cleanup
exit "$testexit"

View File

@ -4,7 +4,6 @@ import (
"context" "context"
"io" "io"
registryclient "github.com/docker/cli/cli/registry/client"
"github.com/docker/docker/api/types" "github.com/docker/docker/api/types"
ver "github.com/hashicorp/go-version" ver "github.com/hashicorp/go-version"
) )
@ -15,6 +14,12 @@ const (
// EnterpriseEngineImage is the repo name for the enterprise engine // EnterpriseEngineImage is the repo name for the enterprise engine
EnterpriseEngineImage = "engine-enterprise" EnterpriseEngineImage = "engine-enterprise"
// RegistryPrefix is the default prefix used to pull engine images
RegistryPrefix = "docker.io/store/docker"
// ReleaseNotePrefix is where to point users to for release notes
ReleaseNotePrefix = "https://docs.docker.com/releasenotes"
) )
// ContainerizedClient can be used to manage the lifecycle of // ContainerizedClient can be used to manage the lifecycle of
@ -26,19 +31,11 @@ type ContainerizedClient interface {
out OutStream, out OutStream,
authConfig *types.AuthConfig, authConfig *types.AuthConfig,
healthfn func(context.Context) error) error healthfn func(context.Context) error) error
InitEngine(ctx context.Context,
opts EngineInitOptions,
out OutStream,
authConfig *types.AuthConfig,
healthfn func(context.Context) error) error
DoUpdate(ctx context.Context, DoUpdate(ctx context.Context,
opts EngineInitOptions, opts EngineInitOptions,
out OutStream, out OutStream,
authConfig *types.AuthConfig, authConfig *types.AuthConfig,
healthfn func(context.Context) error) error healthfn func(context.Context) error) error
GetEngineVersions(ctx context.Context, registryClient registryclient.RegistryClient, currentVersion, imageName string) (AvailableVersions, error)
GetCurrentEngineVersion(ctx context.Context) (EngineInitOptions, error)
RemoveEngine(ctx context.Context) error
} }
// EngineInitOptions contains the configuration settings // EngineInitOptions contains the configuration settings
@ -48,7 +45,6 @@ type EngineInitOptions struct {
EngineImage string EngineImage string
EngineVersion string EngineVersion string
ConfigFile string ConfigFile string
Scope string
} }
// AvailableVersions groups the available versions which were discovered // AvailableVersions groups the available versions which were discovered

View File

@ -3,7 +3,7 @@ github.com/asaskevich/govalidator f9ffefc3facfbe0caee3fea233cbb6e8208f4541
github.com/Azure/go-ansiterm d6e3b3328b783f23731bc4d058875b0371ff8109 github.com/Azure/go-ansiterm d6e3b3328b783f23731bc4d058875b0371ff8109
github.com/beorn7/perks 3a771d992973f24aa725d07868b467d1ddfceafb github.com/beorn7/perks 3a771d992973f24aa725d07868b467d1ddfceafb
github.com/containerd/console c12b1e7919c14469339a5d38f2f8ed9b64a9de23 github.com/containerd/console c12b1e7919c14469339a5d38f2f8ed9b64a9de23
github.com/containerd/containerd v1.2.0-beta.2 github.com/containerd/containerd bb0f83ab6eec47c3316bb763d5c20a82c7750c31
github.com/containerd/continuity d8fb8589b0e8e85b8c8bbaa8840226d0dfeb7371 github.com/containerd/continuity d8fb8589b0e8e85b8c8bbaa8840226d0dfeb7371
github.com/containerd/fifo 3d5202a github.com/containerd/fifo 3d5202a
github.com/containerd/typeurl f694355 github.com/containerd/typeurl f694355

View File

@ -2,6 +2,7 @@
[![GoDoc](https://godoc.org/github.com/containerd/containerd?status.svg)](https://godoc.org/github.com/containerd/containerd) [![GoDoc](https://godoc.org/github.com/containerd/containerd?status.svg)](https://godoc.org/github.com/containerd/containerd)
[![Build Status](https://travis-ci.org/containerd/containerd.svg?branch=master)](https://travis-ci.org/containerd/containerd) [![Build Status](https://travis-ci.org/containerd/containerd.svg?branch=master)](https://travis-ci.org/containerd/containerd)
[![Windows Build Status](https://ci.appveyor.com/api/projects/status/github/containerd/containerd?branch=master&svg=true)](https://ci.appveyor.com/project/mlaventure/containerd-3g73f?branch=master)
[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fcontainerd%2Fcontainerd.svg?type=shield)](https://app.fossa.io/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fcontainerd%2Fcontainerd?ref=badge_shield) [![FOSSA Status](https://app.fossa.io/api/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fcontainerd%2Fcontainerd.svg?type=shield)](https://app.fossa.io/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fcontainerd%2Fcontainerd?ref=badge_shield)
[![Go Report Card](https://goreportcard.com/badge/github.com/containerd/containerd)](https://goreportcard.com/report/github.com/containerd/containerd) [![Go Report Card](https://goreportcard.com/badge/github.com/containerd/containerd)](https://goreportcard.com/report/github.com/containerd/containerd)
[![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/1271/badge)](https://bestpractices.coreinfrastructure.org/projects/1271) [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/1271/badge)](https://bestpractices.coreinfrastructure.org/projects/1271)

View File

@ -141,7 +141,7 @@ type EventsClient interface {
// Forward sends an event that has already been packaged into an envelope // Forward sends an event that has already been packaged into an envelope
// with a timestamp and namespace. // with a timestamp and namespace.
// //
// This is useful if earlier timestamping is required or when fowarding on // This is useful if earlier timestamping is required or when forwarding on
// behalf of another component, namespace or publisher. // behalf of another component, namespace or publisher.
Forward(ctx context.Context, in *ForwardRequest, opts ...grpc.CallOption) (*google_protobuf2.Empty, error) Forward(ctx context.Context, in *ForwardRequest, opts ...grpc.CallOption) (*google_protobuf2.Empty, error)
// Subscribe to a stream of events, possibly returning only that match any // Subscribe to a stream of events, possibly returning only that match any
@ -223,7 +223,7 @@ type EventsServer interface {
// Forward sends an event that has already been packaged into an envelope // Forward sends an event that has already been packaged into an envelope
// with a timestamp and namespace. // with a timestamp and namespace.
// //
// This is useful if earlier timestamping is required or when fowarding on // This is useful if earlier timestamping is required or when forwarding on
// behalf of another component, namespace or publisher. // behalf of another component, namespace or publisher.
Forward(context.Context, *ForwardRequest) (*google_protobuf2.Empty, error) Forward(context.Context, *ForwardRequest) (*google_protobuf2.Empty, error)
// Subscribe to a stream of events, possibly returning only that match any // Subscribe to a stream of events, possibly returning only that match any

View File

@ -20,7 +20,7 @@ service Events {
// Forward sends an event that has already been packaged into an envelope // Forward sends an event that has already been packaged into an envelope
// with a timestamp and namespace. // with a timestamp and namespace.
// //
// This is useful if earlier timestamping is required or when fowarding on // This is useful if earlier timestamping is required or when forwarding on
// behalf of another component, namespace or publisher. // behalf of another component, namespace or publisher.
rpc Forward(ForwardRequest) returns (google.protobuf.Empty); rpc Forward(ForwardRequest) returns (google.protobuf.Empty);

View File

@ -141,6 +141,15 @@ func NewCreator(opts ...Opt) Creator {
if err != nil { if err != nil {
return nil, err return nil, err
} }
if streams.Stdin == nil {
fifos.Stdin = ""
}
if streams.Stdout == nil {
fifos.Stdout = ""
}
if streams.Stderr == nil {
fifos.Stderr = ""
}
return copyIO(fifos, streams) return copyIO(fifos, streams)
} }
} }

View File

@ -20,25 +20,21 @@ package containerd
import ( import (
"context" "context"
"encoding/json"
"fmt" "fmt"
"os" "os"
"path/filepath" "path/filepath"
"syscall" "syscall"
"github.com/containerd/containerd/api/types"
"github.com/containerd/containerd/containers" "github.com/containerd/containerd/containers"
"github.com/containerd/containerd/content" "github.com/containerd/containerd/content"
"github.com/containerd/containerd/errdefs" "github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/images" "github.com/containerd/containerd/images"
"github.com/containerd/containerd/mount" "github.com/containerd/containerd/mount"
"github.com/containerd/containerd/platforms" "github.com/containerd/containerd/platforms"
"github.com/containerd/containerd/runtime/linux/runctypes"
"github.com/gogo/protobuf/proto" "github.com/gogo/protobuf/proto"
protobuf "github.com/gogo/protobuf/types" protobuf "github.com/gogo/protobuf/types"
"github.com/opencontainers/image-spec/identity" "github.com/opencontainers/image-spec/identity"
"github.com/opencontainers/image-spec/specs-go/v1" "github.com/opencontainers/image-spec/specs-go/v1"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/pkg/errors" "github.com/pkg/errors"
) )
@ -105,44 +101,6 @@ func WithCheckpoint(im Image, snapshotKey string) NewContainerOpts {
} }
} }
// WithTaskCheckpoint allows a task to be created with live runtime and memory data from a
// previous checkpoint. Additional software such as CRIU may be required to
// restore a task from a checkpoint
func WithTaskCheckpoint(im Image) NewTaskOpts {
return func(ctx context.Context, c *Client, info *TaskInfo) error {
desc := im.Target()
id := desc.Digest
index, err := decodeIndex(ctx, c.ContentStore(), desc)
if err != nil {
return err
}
for _, m := range index.Manifests {
if m.MediaType == images.MediaTypeContainerd1Checkpoint {
info.Checkpoint = &types.Descriptor{
MediaType: m.MediaType,
Size_: m.Size,
Digest: m.Digest,
}
return nil
}
}
return fmt.Errorf("checkpoint not found in index %s", id)
}
}
func decodeIndex(ctx context.Context, store content.Provider, desc ocispec.Descriptor) (*v1.Index, error) {
var index v1.Index
p, err := content.ReadBlob(ctx, store, desc)
if err != nil {
return nil, err
}
if err := json.Unmarshal(p, &index); err != nil {
return nil, err
}
return &index, nil
}
// WithRemappedSnapshot creates a new snapshot and remaps the uid/gid for the // WithRemappedSnapshot creates a new snapshot and remaps the uid/gid for the
// filesystem to be used by a container with user namespaces // filesystem to be used by a container with user namespaces
func WithRemappedSnapshot(id string, i Image, uid, gid uint32) NewContainerOpts { func WithRemappedSnapshot(id string, i Image, uid, gid uint32) NewContainerOpts {
@ -221,19 +179,3 @@ func incrementFS(root string, uidInc, gidInc uint32) filepath.WalkFunc {
return os.Lchown(path, u, g) return os.Lchown(path, u, g)
} }
} }
// WithNoPivotRoot instructs the runtime not to you pivot_root
func WithNoPivotRoot(_ context.Context, _ *Client, info *TaskInfo) error {
if info.Options == nil {
info.Options = &runctypes.CreateOptions{
NoPivotRoot: true,
}
return nil
}
copts, ok := info.Options.(*runctypes.CreateOptions)
if !ok {
return errors.New("invalid options type, expected runctypes.CreateOptions")
}
copts.NoPivotRoot = true
return nil
}

View File

@ -52,7 +52,7 @@ var _ events.Subscriber = &Exchange{}
// Forward accepts an envelope to be direcly distributed on the exchange. // Forward accepts an envelope to be direcly distributed on the exchange.
// //
// This is useful when an event is forwaded on behalf of another namespace or // This is useful when an event is forwarded on behalf of another namespace or
// when the event is propagated on behalf of another publisher. // when the event is propagated on behalf of another publisher.
func (e *Exchange) Forward(ctx context.Context, envelope *events.Envelope) (err error) { func (e *Exchange) Forward(ctx context.Context, envelope *events.Envelope) (err error) {
if err := validateEnvelope(envelope); err != nil { if err := validateEnvelope(envelope); err != nil {

57
vendor/github.com/containerd/containerd/export.go generated vendored Normal file
View File

@ -0,0 +1,57 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package containerd
import (
"context"
"io"
"github.com/containerd/containerd/images"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
)
type exportOpts struct {
}
// ExportOpt allows the caller to specify export-specific options
type ExportOpt func(c *exportOpts) error
func resolveExportOpt(opts ...ExportOpt) (exportOpts, error) {
var eopts exportOpts
for _, o := range opts {
if err := o(&eopts); err != nil {
return eopts, err
}
}
return eopts, nil
}
// Export exports an image to a Tar stream.
// OCI format is used by default.
// It is up to caller to put "org.opencontainers.image.ref.name" annotation to desc.
// TODO(AkihiroSuda): support exporting multiple descriptors at once to a single archive stream.
func (c *Client) Export(ctx context.Context, exporter images.Exporter, desc ocispec.Descriptor, opts ...ExportOpt) (io.ReadCloser, error) {
_, err := resolveExportOpt(opts...) // unused now
if err != nil {
return nil, err
}
pr, pw := io.Pipe()
go func() {
pw.CloseWithError(exporter.Export(ctx, c.ContentStore(), desc, pw))
}()
return pr, nil
}

View File

@ -22,7 +22,6 @@ import (
"github.com/containerd/containerd/errdefs" "github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/images" "github.com/containerd/containerd/images"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
) )
type importOpts struct { type importOpts struct {
@ -84,35 +83,3 @@ func (c *Client) Import(ctx context.Context, importer images.Importer, reader io
} }
return images, nil return images, nil
} }
type exportOpts struct {
}
// ExportOpt allows the caller to specify export-specific options
type ExportOpt func(c *exportOpts) error
func resolveExportOpt(opts ...ExportOpt) (exportOpts, error) {
var eopts exportOpts
for _, o := range opts {
if err := o(&eopts); err != nil {
return eopts, err
}
}
return eopts, nil
}
// Export exports an image to a Tar stream.
// OCI format is used by default.
// It is up to caller to put "org.opencontainers.image.ref.name" annotation to desc.
// TODO(AkihiroSuda): support exporting multiple descriptors at once to a single archive stream.
func (c *Client) Export(ctx context.Context, exporter images.Exporter, desc ocispec.Descriptor, opts ...ExportOpt) (io.ReadCloser, error) {
_, err := resolveExportOpt(opts...) // unused now
if err != nil {
return nil, err
}
pr, pw := io.Pipe()
go func() {
pw.CloseWithError(exporter.Export(ctx, c.ContentStore(), desc, pw))
}()
return pr, nil
}

View File

@ -33,25 +33,14 @@ import (
// Install a binary image into the opt service // Install a binary image into the opt service
func (c *Client) Install(ctx context.Context, image Image, opts ...InstallOpts) error { func (c *Client) Install(ctx context.Context, image Image, opts ...InstallOpts) error {
resp, err := c.IntrospectionService().Plugins(ctx, &introspectionapi.PluginsRequest{
Filters: []string{
"id==opt",
},
})
if err != nil {
return err
}
if len(resp.Plugins) != 1 {
return errors.New("opt service not enabled")
}
path := resp.Plugins[0].Exports["path"]
if path == "" {
return errors.New("opt path not exported")
}
var config InstallConfig var config InstallConfig
for _, o := range opts { for _, o := range opts {
o(&config) o(&config)
} }
path, err := c.getInstallPath(ctx, config)
if err != nil {
return err
}
var ( var (
cs = image.ContentStore() cs = image.ContentStore()
platform = platforms.Default() platform = platforms.Default()
@ -89,3 +78,25 @@ func (c *Client) Install(ctx context.Context, image Image, opts ...InstallOpts)
} }
return nil return nil
} }
func (c *Client) getInstallPath(ctx context.Context, config InstallConfig) (string, error) {
if config.Path != "" {
return config.Path, nil
}
resp, err := c.IntrospectionService().Plugins(ctx, &introspectionapi.PluginsRequest{
Filters: []string{
"id==opt",
},
})
if err != nil {
return "", err
}
if len(resp.Plugins) != 1 {
return "", errors.New("opt service not enabled")
}
path := resp.Plugins[0].Exports["path"]
if path == "" {
return "", errors.New("opt path not exported")
}
return path, nil
}

View File

@ -25,6 +25,8 @@ type InstallConfig struct {
Libs bool Libs bool
// Replace will overwrite existing binaries or libs in the opt directory // Replace will overwrite existing binaries or libs in the opt directory
Replace bool Replace bool
// Path to install libs and binaries to
Path string
} }
// WithInstallLibs installs libs from the image // WithInstallLibs installs libs from the image
@ -36,3 +38,10 @@ func WithInstallLibs(c *InstallConfig) {
func WithInstallReplace(c *InstallConfig) { func WithInstallReplace(c *InstallConfig) {
c.Replace = true c.Replace = true
} }
// WithInstallPath sets the optional install path
func WithInstallPath(path string) InstallOpts {
return func(c *InstallConfig) {
c.Path = path
}
}

View File

@ -32,6 +32,10 @@ var (
// Mount to the provided target // Mount to the provided target
func (m *Mount) Mount(target string) error { func (m *Mount) Mount(target string) error {
if m.Type != "windows-layer" {
return errors.Errorf("invalid windows mount type: '%s'", m.Type)
}
home, layerID := filepath.Split(m.Source) home, layerID := filepath.Split(m.Source)
parentLayerPaths, err := m.GetParentPaths() parentLayerPaths, err := m.GetParentPaths()

View File

@ -18,11 +18,27 @@ package oci
import ( import (
"context" "context"
"path/filepath"
"runtime"
"github.com/containerd/containerd/namespaces"
"github.com/containerd/containerd/platforms"
"github.com/containerd/containerd/containers" "github.com/containerd/containerd/containers"
specs "github.com/opencontainers/runtime-spec/specs-go" specs "github.com/opencontainers/runtime-spec/specs-go"
) )
const (
rwm = "rwm"
defaultRootfsPath = "rootfs"
)
var (
defaultUnixEnv = []string{
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
}
)
// Spec is a type alias to the OCI runtime spec to allow third part SpecOpts // Spec is a type alias to the OCI runtime spec to allow third part SpecOpts
// to be created without the "issues" with go vendoring and package imports // to be created without the "issues" with go vendoring and package imports
type Spec = specs.Spec type Spec = specs.Spec
@ -30,12 +46,36 @@ type Spec = specs.Spec
// GenerateSpec will generate a default spec from the provided image // GenerateSpec will generate a default spec from the provided image
// for use as a containerd container // for use as a containerd container
func GenerateSpec(ctx context.Context, client Client, c *containers.Container, opts ...SpecOpts) (*Spec, error) { func GenerateSpec(ctx context.Context, client Client, c *containers.Container, opts ...SpecOpts) (*Spec, error) {
s, err := createDefaultSpec(ctx, c.ID) return GenerateSpecWithPlatform(ctx, client, platforms.DefaultString(), c, opts...)
if err != nil { }
// GenerateSpecWithPlatform will generate a default spec from the provided image
// for use as a containerd container in the platform requested.
func GenerateSpecWithPlatform(ctx context.Context, client Client, platform string, c *containers.Container, opts ...SpecOpts) (*Spec, error) {
var s Spec
if err := generateDefaultSpecWithPlatform(ctx, platform, c.ID, &s); err != nil {
return nil, err return nil, err
} }
return s, ApplyOpts(ctx, client, c, s, opts...) return &s, ApplyOpts(ctx, client, c, &s, opts...)
}
func generateDefaultSpecWithPlatform(ctx context.Context, platform, id string, s *Spec) error {
plat, err := platforms.Parse(platform)
if err != nil {
return err
}
if plat.OS == "windows" {
err = populateDefaultWindowsSpec(ctx, s, id)
} else {
err = populateDefaultUnixSpec(ctx, s, id)
if err == nil && runtime.GOOS == "windows" {
// To run LCOW we have a Linux and Windows section. Add an empty one now.
s.Windows = &specs.Windows{}
}
}
return err
} }
// ApplyOpts applys the options to the given spec, injecting data from the // ApplyOpts applys the options to the given spec, injecting data from the
@ -50,7 +90,173 @@ func ApplyOpts(ctx context.Context, client Client, c *containers.Container, s *S
return nil return nil
} }
func createDefaultSpec(ctx context.Context, id string) (*Spec, error) { func defaultUnixCaps() []string {
var s Spec return []string{
return &s, populateDefaultSpec(ctx, &s, id) "CAP_CHOWN",
"CAP_DAC_OVERRIDE",
"CAP_FSETID",
"CAP_FOWNER",
"CAP_MKNOD",
"CAP_NET_RAW",
"CAP_SETGID",
"CAP_SETUID",
"CAP_SETFCAP",
"CAP_SETPCAP",
"CAP_NET_BIND_SERVICE",
"CAP_SYS_CHROOT",
"CAP_KILL",
"CAP_AUDIT_WRITE",
}
}
func defaultUnixNamespaces() []specs.LinuxNamespace {
return []specs.LinuxNamespace{
{
Type: specs.PIDNamespace,
},
{
Type: specs.IPCNamespace,
},
{
Type: specs.UTSNamespace,
},
{
Type: specs.MountNamespace,
},
{
Type: specs.NetworkNamespace,
},
}
}
func populateDefaultUnixSpec(ctx context.Context, s *Spec, id string) error {
ns, err := namespaces.NamespaceRequired(ctx)
if err != nil {
return err
}
*s = Spec{
Version: specs.Version,
Root: &specs.Root{
Path: defaultRootfsPath,
},
Process: &specs.Process{
Env: defaultUnixEnv,
Cwd: "/",
NoNewPrivileges: true,
User: specs.User{
UID: 0,
GID: 0,
},
Capabilities: &specs.LinuxCapabilities{
Bounding: defaultUnixCaps(),
Permitted: defaultUnixCaps(),
Inheritable: defaultUnixCaps(),
Effective: defaultUnixCaps(),
},
Rlimits: []specs.POSIXRlimit{
{
Type: "RLIMIT_NOFILE",
Hard: uint64(1024),
Soft: uint64(1024),
},
},
},
Mounts: []specs.Mount{
{
Destination: "/proc",
Type: "proc",
Source: "proc",
},
{
Destination: "/dev",
Type: "tmpfs",
Source: "tmpfs",
Options: []string{"nosuid", "strictatime", "mode=755", "size=65536k"},
},
{
Destination: "/dev/pts",
Type: "devpts",
Source: "devpts",
Options: []string{"nosuid", "noexec", "newinstance", "ptmxmode=0666", "mode=0620", "gid=5"},
},
{
Destination: "/dev/shm",
Type: "tmpfs",
Source: "shm",
Options: []string{"nosuid", "noexec", "nodev", "mode=1777", "size=65536k"},
},
{
Destination: "/dev/mqueue",
Type: "mqueue",
Source: "mqueue",
Options: []string{"nosuid", "noexec", "nodev"},
},
{
Destination: "/sys",
Type: "sysfs",
Source: "sysfs",
Options: []string{"nosuid", "noexec", "nodev", "ro"},
},
{
Destination: "/run",
Type: "tmpfs",
Source: "tmpfs",
Options: []string{"nosuid", "strictatime", "mode=755", "size=65536k"},
},
},
Linux: &specs.Linux{
MaskedPaths: []string{
"/proc/acpi",
"/proc/kcore",
"/proc/keys",
"/proc/latency_stats",
"/proc/timer_list",
"/proc/timer_stats",
"/proc/sched_debug",
"/sys/firmware",
"/proc/scsi",
},
ReadonlyPaths: []string{
"/proc/asound",
"/proc/bus",
"/proc/fs",
"/proc/irq",
"/proc/sys",
"/proc/sysrq-trigger",
},
CgroupsPath: filepath.Join("/", ns, id),
Resources: &specs.LinuxResources{
Devices: []specs.LinuxDeviceCgroup{
{
Allow: false,
Access: rwm,
},
},
},
Namespaces: defaultUnixNamespaces(),
},
}
return nil
}
func populateDefaultWindowsSpec(ctx context.Context, s *Spec, id string) error {
*s = Spec{
Version: specs.Version,
Root: &specs.Root{},
Process: &specs.Process{
Cwd: `C:\`,
ConsoleSize: &specs.Box{
Width: 80,
Height: 20,
},
},
Windows: &specs.Windows{
IgnoreFlushesDuringBoot: true,
Network: &specs.WindowsNetwork{
AllowUnqualifiedDNSQuery: true,
},
},
}
return nil
} }

View File

@ -19,12 +19,25 @@ package oci
import ( import (
"context" "context"
"encoding/json" "encoding/json"
"fmt"
"io/ioutil" "io/ioutil"
"os"
"path/filepath"
"strconv"
"strings" "strings"
"github.com/containerd/containerd/containers" "github.com/containerd/containerd/containers"
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/images"
"github.com/containerd/containerd/mount"
"github.com/containerd/containerd/namespaces"
"github.com/containerd/containerd/platforms"
"github.com/containerd/continuity/fs"
"github.com/opencontainers/image-spec/specs-go/v1"
"github.com/opencontainers/runc/libcontainer/user"
specs "github.com/opencontainers/runtime-spec/specs-go" specs "github.com/opencontainers/runtime-spec/specs-go"
"github.com/pkg/errors" "github.com/pkg/errors"
"github.com/syndtr/gocapability/capability"
) )
// SpecOpts sets spec specific information to a newly generated OCI spec // SpecOpts sets spec specific information to a newly generated OCI spec
@ -49,13 +62,45 @@ func setProcess(s *Spec) {
} }
} }
// setRoot sets Root to empty if unset
func setRoot(s *Spec) {
if s.Root == nil {
s.Root = &specs.Root{}
}
}
// setLinux sets Linux to empty if unset
func setLinux(s *Spec) {
if s.Linux == nil {
s.Linux = &specs.Linux{}
}
}
// setCapabilities sets Linux Capabilities to empty if unset
func setCapabilities(s *Spec) {
setProcess(s)
if s.Process.Capabilities == nil {
s.Process.Capabilities = &specs.LinuxCapabilities{}
}
}
// WithDefaultSpec returns a SpecOpts that will populate the spec with default // WithDefaultSpec returns a SpecOpts that will populate the spec with default
// values. // values.
// //
// Use as the first option to clear the spec, then apply options afterwards. // Use as the first option to clear the spec, then apply options afterwards.
func WithDefaultSpec() SpecOpts { func WithDefaultSpec() SpecOpts {
return func(ctx context.Context, _ Client, c *containers.Container, s *Spec) error { return func(ctx context.Context, _ Client, c *containers.Container, s *Spec) error {
return populateDefaultSpec(ctx, s, c.ID) return generateDefaultSpecWithPlatform(ctx, platforms.DefaultString(), c.ID, s)
}
}
// WithDefaultSpecForPlatform returns a SpecOpts that will populate the spec
// with default values for a given platform.
//
// Use as the first option to clear the spec, then apply options afterwards.
func WithDefaultSpecForPlatform(platform string) SpecOpts {
return func(ctx context.Context, _ Client, c *containers.Container, s *Spec) error {
return generateDefaultSpecWithPlatform(ctx, platform, c.ID, s)
} }
} }
@ -81,32 +126,6 @@ func WithSpecFromFile(filename string) SpecOpts {
} }
} }
// WithProcessArgs replaces the args on the generated spec
func WithProcessArgs(args ...string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setProcess(s)
s.Process.Args = args
return nil
}
}
// WithProcessCwd replaces the current working directory on the generated spec
func WithProcessCwd(cwd string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setProcess(s)
s.Process.Cwd = cwd
return nil
}
}
// WithHostname sets the container's hostname
func WithHostname(name string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
s.Hostname = name
return nil
}
}
// WithEnv appends environment variables // WithEnv appends environment variables
func WithEnv(environmentVariables []string) SpecOpts { func WithEnv(environmentVariables []string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error { return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
@ -118,14 +137,6 @@ func WithEnv(environmentVariables []string) SpecOpts {
} }
} }
// WithMounts appends mounts
func WithMounts(mounts []specs.Mount) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
s.Mounts = append(s.Mounts, mounts...)
return nil
}
}
// replaceOrAppendEnvValues returns the defaults with the overrides either // replaceOrAppendEnvValues returns the defaults with the overrides either
// replaced by env key or appended to the list // replaced by env key or appended to the list
func replaceOrAppendEnvValues(defaults, overrides []string) []string { func replaceOrAppendEnvValues(defaults, overrides []string) []string {
@ -163,3 +174,821 @@ func replaceOrAppendEnvValues(defaults, overrides []string) []string {
return defaults return defaults
} }
// WithProcessArgs replaces the args on the generated spec
func WithProcessArgs(args ...string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setProcess(s)
s.Process.Args = args
return nil
}
}
// WithProcessCwd replaces the current working directory on the generated spec
func WithProcessCwd(cwd string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setProcess(s)
s.Process.Cwd = cwd
return nil
}
}
// WithTTY sets the information on the spec as well as the environment variables for
// using a TTY
func WithTTY(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setProcess(s)
s.Process.Terminal = true
if s.Linux != nil {
s.Process.Env = append(s.Process.Env, "TERM=xterm")
}
return nil
}
// WithTTYSize sets the information on the spec as well as the environment variables for
// using a TTY
func WithTTYSize(width, height int) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setProcess(s)
if s.Process.ConsoleSize == nil {
s.Process.ConsoleSize = &specs.Box{}
}
s.Process.ConsoleSize.Width = uint(width)
s.Process.ConsoleSize.Height = uint(height)
return nil
}
}
// WithHostname sets the container's hostname
func WithHostname(name string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
s.Hostname = name
return nil
}
}
// WithMounts appends mounts
func WithMounts(mounts []specs.Mount) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
s.Mounts = append(s.Mounts, mounts...)
return nil
}
}
// WithHostNamespace allows a task to run inside the host's linux namespace
func WithHostNamespace(ns specs.LinuxNamespaceType) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setLinux(s)
for i, n := range s.Linux.Namespaces {
if n.Type == ns {
s.Linux.Namespaces = append(s.Linux.Namespaces[:i], s.Linux.Namespaces[i+1:]...)
return nil
}
}
return nil
}
}
// WithLinuxNamespace uses the passed in namespace for the spec. If a namespace of the same type already exists in the
// spec, the existing namespace is replaced by the one provided.
func WithLinuxNamespace(ns specs.LinuxNamespace) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setLinux(s)
for i, n := range s.Linux.Namespaces {
if n.Type == ns.Type {
before := s.Linux.Namespaces[:i]
after := s.Linux.Namespaces[i+1:]
s.Linux.Namespaces = append(before, ns)
s.Linux.Namespaces = append(s.Linux.Namespaces, after...)
return nil
}
}
s.Linux.Namespaces = append(s.Linux.Namespaces, ns)
return nil
}
}
// WithImageConfig configures the spec to from the configuration of an Image
func WithImageConfig(image Image) SpecOpts {
return WithImageConfigArgs(image, nil)
}
// WithImageConfigArgs configures the spec to from the configuration of an Image with additional args that
// replaces the CMD of the image
func WithImageConfigArgs(image Image, args []string) SpecOpts {
return func(ctx context.Context, client Client, c *containers.Container, s *Spec) error {
ic, err := image.Config(ctx)
if err != nil {
return err
}
var (
ociimage v1.Image
config v1.ImageConfig
)
switch ic.MediaType {
case v1.MediaTypeImageConfig, images.MediaTypeDockerSchema2Config:
p, err := content.ReadBlob(ctx, image.ContentStore(), ic)
if err != nil {
return err
}
if err := json.Unmarshal(p, &ociimage); err != nil {
return err
}
config = ociimage.Config
default:
return fmt.Errorf("unknown image config media type %s", ic.MediaType)
}
setProcess(s)
if s.Linux != nil {
s.Process.Env = append(s.Process.Env, config.Env...)
cmd := config.Cmd
if len(args) > 0 {
cmd = args
}
s.Process.Args = append(config.Entrypoint, cmd...)
cwd := config.WorkingDir
if cwd == "" {
cwd = "/"
}
s.Process.Cwd = cwd
if config.User != "" {
return WithUser(config.User)(ctx, client, c, s)
}
} else if s.Windows != nil {
s.Process.Env = config.Env
s.Process.Args = append(config.Entrypoint, config.Cmd...)
s.Process.User = specs.User{
Username: config.User,
}
} else {
return errors.New("spec does not contain Linux or Windows section")
}
return nil
}
}
// WithRootFSPath specifies unmanaged rootfs path.
func WithRootFSPath(path string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setRoot(s)
s.Root.Path = path
// Entrypoint is not set here (it's up to caller)
return nil
}
}
// WithRootFSReadonly sets specs.Root.Readonly to true
func WithRootFSReadonly() SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setRoot(s)
s.Root.Readonly = true
return nil
}
}
// WithNoNewPrivileges sets no_new_privileges on the process for the container
func WithNoNewPrivileges(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setProcess(s)
s.Process.NoNewPrivileges = true
return nil
}
// WithHostHostsFile bind-mounts the host's /etc/hosts into the container as readonly
func WithHostHostsFile(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
s.Mounts = append(s.Mounts, specs.Mount{
Destination: "/etc/hosts",
Type: "bind",
Source: "/etc/hosts",
Options: []string{"rbind", "ro"},
})
return nil
}
// WithHostResolvconf bind-mounts the host's /etc/resolv.conf into the container as readonly
func WithHostResolvconf(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
s.Mounts = append(s.Mounts, specs.Mount{
Destination: "/etc/resolv.conf",
Type: "bind",
Source: "/etc/resolv.conf",
Options: []string{"rbind", "ro"},
})
return nil
}
// WithHostLocaltime bind-mounts the host's /etc/localtime into the container as readonly
func WithHostLocaltime(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
s.Mounts = append(s.Mounts, specs.Mount{
Destination: "/etc/localtime",
Type: "bind",
Source: "/etc/localtime",
Options: []string{"rbind", "ro"},
})
return nil
}
// WithUserNamespace sets the uid and gid mappings for the task
// this can be called multiple times to add more mappings to the generated spec
func WithUserNamespace(container, host, size uint32) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
var hasUserns bool
setLinux(s)
for _, ns := range s.Linux.Namespaces {
if ns.Type == specs.UserNamespace {
hasUserns = true
break
}
}
if !hasUserns {
s.Linux.Namespaces = append(s.Linux.Namespaces, specs.LinuxNamespace{
Type: specs.UserNamespace,
})
}
mapping := specs.LinuxIDMapping{
ContainerID: container,
HostID: host,
Size: size,
}
s.Linux.UIDMappings = append(s.Linux.UIDMappings, mapping)
s.Linux.GIDMappings = append(s.Linux.GIDMappings, mapping)
return nil
}
}
// WithCgroup sets the container's cgroup path
func WithCgroup(path string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setLinux(s)
s.Linux.CgroupsPath = path
return nil
}
}
// WithNamespacedCgroup uses the namespace set on the context to create a
// root directory for containers in the cgroup with the id as the subcgroup
func WithNamespacedCgroup() SpecOpts {
return func(ctx context.Context, _ Client, c *containers.Container, s *Spec) error {
namespace, err := namespaces.NamespaceRequired(ctx)
if err != nil {
return err
}
setLinux(s)
s.Linux.CgroupsPath = filepath.Join("/", namespace, c.ID)
return nil
}
}
// WithUser sets the user to be used within the container.
// It accepts a valid user string in OCI Image Spec v1.0.0:
// user, uid, user:group, uid:gid, uid:group, user:gid
func WithUser(userstr string) SpecOpts {
return func(ctx context.Context, client Client, c *containers.Container, s *Spec) error {
setProcess(s)
parts := strings.Split(userstr, ":")
switch len(parts) {
case 1:
v, err := strconv.Atoi(parts[0])
if err != nil {
// if we cannot parse as a uint they try to see if it is a username
return WithUsername(userstr)(ctx, client, c, s)
}
return WithUserID(uint32(v))(ctx, client, c, s)
case 2:
var (
username string
groupname string
)
var uid, gid uint32
v, err := strconv.Atoi(parts[0])
if err != nil {
username = parts[0]
} else {
uid = uint32(v)
}
if v, err = strconv.Atoi(parts[1]); err != nil {
groupname = parts[1]
} else {
gid = uint32(v)
}
if username == "" && groupname == "" {
s.Process.User.UID, s.Process.User.GID = uid, gid
return nil
}
f := func(root string) error {
if username != "" {
uid, _, err = getUIDGIDFromPath(root, func(u user.User) bool {
return u.Name == username
})
if err != nil {
return err
}
}
if groupname != "" {
gid, err = getGIDFromPath(root, func(g user.Group) bool {
return g.Name == groupname
})
if err != nil {
return err
}
}
s.Process.User.UID, s.Process.User.GID = uid, gid
return nil
}
if c.Snapshotter == "" && c.SnapshotKey == "" {
if !isRootfsAbs(s.Root.Path) {
return errors.New("rootfs absolute path is required")
}
return f(s.Root.Path)
}
if c.Snapshotter == "" {
return errors.New("no snapshotter set for container")
}
if c.SnapshotKey == "" {
return errors.New("rootfs snapshot not created for container")
}
snapshotter := client.SnapshotService(c.Snapshotter)
mounts, err := snapshotter.Mounts(ctx, c.SnapshotKey)
if err != nil {
return err
}
return mount.WithTempMount(ctx, mounts, f)
default:
return fmt.Errorf("invalid USER value %s", userstr)
}
}
}
// WithUIDGID allows the UID and GID for the Process to be set
func WithUIDGID(uid, gid uint32) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setProcess(s)
s.Process.User.UID = uid
s.Process.User.GID = gid
return nil
}
}
// WithUserID sets the correct UID and GID for the container based
// on the image's /etc/passwd contents. If /etc/passwd does not exist,
// or uid is not found in /etc/passwd, it sets the requested uid,
// additionally sets the gid to 0, and does not return an error.
func WithUserID(uid uint32) SpecOpts {
return func(ctx context.Context, client Client, c *containers.Container, s *Spec) (err error) {
setProcess(s)
if c.Snapshotter == "" && c.SnapshotKey == "" {
if !isRootfsAbs(s.Root.Path) {
return errors.Errorf("rootfs absolute path is required")
}
uuid, ugid, err := getUIDGIDFromPath(s.Root.Path, func(u user.User) bool {
return u.Uid == int(uid)
})
if err != nil {
if os.IsNotExist(err) || err == errNoUsersFound {
s.Process.User.UID, s.Process.User.GID = uid, 0
return nil
}
return err
}
s.Process.User.UID, s.Process.User.GID = uuid, ugid
return nil
}
if c.Snapshotter == "" {
return errors.Errorf("no snapshotter set for container")
}
if c.SnapshotKey == "" {
return errors.Errorf("rootfs snapshot not created for container")
}
snapshotter := client.SnapshotService(c.Snapshotter)
mounts, err := snapshotter.Mounts(ctx, c.SnapshotKey)
if err != nil {
return err
}
return mount.WithTempMount(ctx, mounts, func(root string) error {
uuid, ugid, err := getUIDGIDFromPath(root, func(u user.User) bool {
return u.Uid == int(uid)
})
if err != nil {
if os.IsNotExist(err) || err == errNoUsersFound {
s.Process.User.UID, s.Process.User.GID = uid, 0
return nil
}
return err
}
s.Process.User.UID, s.Process.User.GID = uuid, ugid
return nil
})
}
}
// WithUsername sets the correct UID and GID for the container
// based on the the image's /etc/passwd contents. If /etc/passwd
// does not exist, or the username is not found in /etc/passwd,
// it returns error.
func WithUsername(username string) SpecOpts {
return func(ctx context.Context, client Client, c *containers.Container, s *Spec) (err error) {
setProcess(s)
if s.Linux != nil {
if c.Snapshotter == "" && c.SnapshotKey == "" {
if !isRootfsAbs(s.Root.Path) {
return errors.Errorf("rootfs absolute path is required")
}
uid, gid, err := getUIDGIDFromPath(s.Root.Path, func(u user.User) bool {
return u.Name == username
})
if err != nil {
return err
}
s.Process.User.UID, s.Process.User.GID = uid, gid
return nil
}
if c.Snapshotter == "" {
return errors.Errorf("no snapshotter set for container")
}
if c.SnapshotKey == "" {
return errors.Errorf("rootfs snapshot not created for container")
}
snapshotter := client.SnapshotService(c.Snapshotter)
mounts, err := snapshotter.Mounts(ctx, c.SnapshotKey)
if err != nil {
return err
}
return mount.WithTempMount(ctx, mounts, func(root string) error {
uid, gid, err := getUIDGIDFromPath(root, func(u user.User) bool {
return u.Name == username
})
if err != nil {
return err
}
s.Process.User.UID, s.Process.User.GID = uid, gid
return nil
})
} else if s.Windows != nil {
s.Process.User.Username = username
} else {
return errors.New("spec does not contain Linux or Windows section")
}
return nil
}
}
// WithAdditionalGIDs sets the OCI spec's additionalGids array to any additional groups listed
// for a particular user in the /etc/groups file of the image's root filesystem
func WithAdditionalGIDs(username string) SpecOpts {
return func(ctx context.Context, client Client, c *containers.Container, s *Spec) (err error) {
setProcess(s)
if c.Snapshotter == "" && c.SnapshotKey == "" {
if !isRootfsAbs(s.Root.Path) {
return errors.Errorf("rootfs absolute path is required")
}
gids, err := getSupplementalGroupsFromPath(s.Root.Path, func(g user.Group) bool {
// we only want supplemental groups
if g.Name == username {
return false
}
for _, entry := range g.List {
if entry == username {
return true
}
}
return false
})
if err != nil {
return err
}
s.Process.User.AdditionalGids = gids
return nil
}
if c.Snapshotter == "" {
return errors.Errorf("no snapshotter set for container")
}
if c.SnapshotKey == "" {
return errors.Errorf("rootfs snapshot not created for container")
}
snapshotter := client.SnapshotService(c.Snapshotter)
mounts, err := snapshotter.Mounts(ctx, c.SnapshotKey)
if err != nil {
return err
}
return mount.WithTempMount(ctx, mounts, func(root string) error {
gids, err := getSupplementalGroupsFromPath(root, func(g user.Group) bool {
// we only want supplemental groups
if g.Name == username {
return false
}
for _, entry := range g.List {
if entry == username {
return true
}
}
return false
})
if err != nil {
return err
}
s.Process.User.AdditionalGids = gids
return nil
})
}
}
// WithCapabilities sets Linux capabilities on the process
func WithCapabilities(caps []string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setCapabilities(s)
s.Process.Capabilities.Bounding = caps
s.Process.Capabilities.Effective = caps
s.Process.Capabilities.Permitted = caps
s.Process.Capabilities.Inheritable = caps
return nil
}
}
// WithAllCapabilities sets all linux capabilities for the process
var WithAllCapabilities = WithCapabilities(getAllCapabilities())
func getAllCapabilities() []string {
last := capability.CAP_LAST_CAP
// hack for RHEL6 which has no /proc/sys/kernel/cap_last_cap
if last == capability.Cap(63) {
last = capability.CAP_BLOCK_SUSPEND
}
var caps []string
for _, cap := range capability.List() {
if cap > last {
continue
}
caps = append(caps, "CAP_"+strings.ToUpper(cap.String()))
}
return caps
}
// WithAmbientCapabilities set the Linux ambient capabilities for the process
// Ambient capabilities should only be set for non-root users or the caller should
// understand how these capabilities are used and set
func WithAmbientCapabilities(caps []string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setCapabilities(s)
s.Process.Capabilities.Ambient = caps
return nil
}
}
var errNoUsersFound = errors.New("no users found")
func getUIDGIDFromPath(root string, filter func(user.User) bool) (uid, gid uint32, err error) {
ppath, err := fs.RootPath(root, "/etc/passwd")
if err != nil {
return 0, 0, err
}
users, err := user.ParsePasswdFileFilter(ppath, filter)
if err != nil {
return 0, 0, err
}
if len(users) == 0 {
return 0, 0, errNoUsersFound
}
u := users[0]
return uint32(u.Uid), uint32(u.Gid), nil
}
var errNoGroupsFound = errors.New("no groups found")
func getGIDFromPath(root string, filter func(user.Group) bool) (gid uint32, err error) {
gpath, err := fs.RootPath(root, "/etc/group")
if err != nil {
return 0, err
}
groups, err := user.ParseGroupFileFilter(gpath, filter)
if err != nil {
return 0, err
}
if len(groups) == 0 {
return 0, errNoGroupsFound
}
g := groups[0]
return uint32(g.Gid), nil
}
func getSupplementalGroupsFromPath(root string, filter func(user.Group) bool) ([]uint32, error) {
gpath, err := fs.RootPath(root, "/etc/group")
if err != nil {
return []uint32{}, err
}
groups, err := user.ParseGroupFileFilter(gpath, filter)
if err != nil {
return []uint32{}, err
}
if len(groups) == 0 {
// if there are no additional groups; just return an empty set
return []uint32{}, nil
}
addlGids := []uint32{}
for _, grp := range groups {
addlGids = append(addlGids, uint32(grp.Gid))
}
return addlGids, nil
}
func isRootfsAbs(root string) bool {
return filepath.IsAbs(root)
}
// WithMaskedPaths sets the masked paths option
func WithMaskedPaths(paths []string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setLinux(s)
s.Linux.MaskedPaths = paths
return nil
}
}
// WithReadonlyPaths sets the read only paths option
func WithReadonlyPaths(paths []string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setLinux(s)
s.Linux.ReadonlyPaths = paths
return nil
}
}
// WithWriteableSysfs makes any sysfs mounts writeable
func WithWriteableSysfs(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
for i, m := range s.Mounts {
if m.Type == "sysfs" {
var options []string
for _, o := range m.Options {
if o == "ro" {
o = "rw"
}
options = append(options, o)
}
s.Mounts[i].Options = options
}
}
return nil
}
// WithWriteableCgroupfs makes any cgroup mounts writeable
func WithWriteableCgroupfs(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
for i, m := range s.Mounts {
if m.Type == "cgroup" {
var options []string
for _, o := range m.Options {
if o == "ro" {
o = "rw"
}
options = append(options, o)
}
s.Mounts[i].Options = options
}
}
return nil
}
// WithSelinuxLabel sets the process SELinux label
func WithSelinuxLabel(label string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setProcess(s)
s.Process.SelinuxLabel = label
return nil
}
}
// WithApparmorProfile sets the Apparmor profile for the process
func WithApparmorProfile(profile string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setProcess(s)
s.Process.ApparmorProfile = profile
return nil
}
}
// WithSeccompUnconfined clears the seccomp profile
func WithSeccompUnconfined(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setLinux(s)
s.Linux.Seccomp = nil
return nil
}
// WithParentCgroupDevices uses the default cgroup setup to inherit the container's parent cgroup's
// allowed and denied devices
func WithParentCgroupDevices(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setLinux(s)
if s.Linux.Resources == nil {
s.Linux.Resources = &specs.LinuxResources{}
}
s.Linux.Resources.Devices = nil
return nil
}
// WithDefaultUnixDevices adds the default devices for unix such as /dev/null, /dev/random to
// the container's resource cgroup spec
func WithDefaultUnixDevices(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setLinux(s)
if s.Linux.Resources == nil {
s.Linux.Resources = &specs.LinuxResources{}
}
intptr := func(i int64) *int64 {
return &i
}
s.Linux.Resources.Devices = append(s.Linux.Resources.Devices, []specs.LinuxDeviceCgroup{
{
// "/dev/null",
Type: "c",
Major: intptr(1),
Minor: intptr(3),
Access: rwm,
Allow: true,
},
{
// "/dev/random",
Type: "c",
Major: intptr(1),
Minor: intptr(8),
Access: rwm,
Allow: true,
},
{
// "/dev/full",
Type: "c",
Major: intptr(1),
Minor: intptr(7),
Access: rwm,
Allow: true,
},
{
// "/dev/tty",
Type: "c",
Major: intptr(5),
Minor: intptr(0),
Access: rwm,
Allow: true,
},
{
// "/dev/zero",
Type: "c",
Major: intptr(1),
Minor: intptr(5),
Access: rwm,
Allow: true,
},
{
// "/dev/urandom",
Type: "c",
Major: intptr(1),
Minor: intptr(9),
Access: rwm,
Allow: true,
},
{
// "/dev/console",
Type: "c",
Major: intptr(5),
Minor: intptr(1),
Access: rwm,
Allow: true,
},
// /dev/pts/ - pts namespaces are "coming soon"
{
Type: "c",
Major: intptr(136),
Access: rwm,
Allow: true,
},
{
Type: "c",
Major: intptr(5),
Minor: intptr(2),
Access: rwm,
Allow: true,
},
{
// tuntap
Type: "c",
Major: intptr(10),
Minor: intptr(200),
Access: rwm,
Allow: true,
},
}...)
return nil
}
// WithPrivileged sets up options for a privileged container
// TODO(justincormack) device handling
var WithPrivileged = Compose(
WithAllCapabilities,
WithMaskedPaths(nil),
WithReadonlyPaths(nil),
WithWriteableSysfs,
WithWriteableCgroupfs,
WithSelinuxLabel(""),
WithApparmorProfile(""),
WithSeccompUnconfined,
)

View File

@ -1,733 +0,0 @@
// +build !windows
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package oci
import (
"context"
"encoding/json"
"fmt"
"os"
"path/filepath"
"strconv"
"strings"
"github.com/containerd/containerd/containers"
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/images"
"github.com/containerd/containerd/mount"
"github.com/containerd/containerd/namespaces"
"github.com/containerd/continuity/fs"
"github.com/opencontainers/image-spec/specs-go/v1"
"github.com/opencontainers/runc/libcontainer/user"
specs "github.com/opencontainers/runtime-spec/specs-go"
"github.com/pkg/errors"
"github.com/syndtr/gocapability/capability"
)
// WithTTY sets the information on the spec as well as the environment variables for
// using a TTY
func WithTTY(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setProcess(s)
s.Process.Terminal = true
s.Process.Env = append(s.Process.Env, "TERM=xterm")
return nil
}
// setRoot sets Root to empty if unset
func setRoot(s *Spec) {
if s.Root == nil {
s.Root = &specs.Root{}
}
}
// setLinux sets Linux to empty if unset
func setLinux(s *Spec) {
if s.Linux == nil {
s.Linux = &specs.Linux{}
}
}
// setCapabilities sets Linux Capabilities to empty if unset
func setCapabilities(s *Spec) {
setProcess(s)
if s.Process.Capabilities == nil {
s.Process.Capabilities = &specs.LinuxCapabilities{}
}
}
// WithHostNamespace allows a task to run inside the host's linux namespace
func WithHostNamespace(ns specs.LinuxNamespaceType) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setLinux(s)
for i, n := range s.Linux.Namespaces {
if n.Type == ns {
s.Linux.Namespaces = append(s.Linux.Namespaces[:i], s.Linux.Namespaces[i+1:]...)
return nil
}
}
return nil
}
}
// WithLinuxNamespace uses the passed in namespace for the spec. If a namespace of the same type already exists in the
// spec, the existing namespace is replaced by the one provided.
func WithLinuxNamespace(ns specs.LinuxNamespace) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setLinux(s)
for i, n := range s.Linux.Namespaces {
if n.Type == ns.Type {
before := s.Linux.Namespaces[:i]
after := s.Linux.Namespaces[i+1:]
s.Linux.Namespaces = append(before, ns)
s.Linux.Namespaces = append(s.Linux.Namespaces, after...)
return nil
}
}
s.Linux.Namespaces = append(s.Linux.Namespaces, ns)
return nil
}
}
// WithImageConfig configures the spec to from the configuration of an Image
func WithImageConfig(image Image) SpecOpts {
return WithImageConfigArgs(image, nil)
}
// WithImageConfigArgs configures the spec to from the configuration of an Image with additional args that
// replaces the CMD of the image
func WithImageConfigArgs(image Image, args []string) SpecOpts {
return func(ctx context.Context, client Client, c *containers.Container, s *Spec) error {
ic, err := image.Config(ctx)
if err != nil {
return err
}
var (
ociimage v1.Image
config v1.ImageConfig
)
switch ic.MediaType {
case v1.MediaTypeImageConfig, images.MediaTypeDockerSchema2Config:
p, err := content.ReadBlob(ctx, image.ContentStore(), ic)
if err != nil {
return err
}
if err := json.Unmarshal(p, &ociimage); err != nil {
return err
}
config = ociimage.Config
default:
return fmt.Errorf("unknown image config media type %s", ic.MediaType)
}
setProcess(s)
s.Process.Env = append(s.Process.Env, config.Env...)
cmd := config.Cmd
if len(args) > 0 {
cmd = args
}
s.Process.Args = append(config.Entrypoint, cmd...)
cwd := config.WorkingDir
if cwd == "" {
cwd = "/"
}
s.Process.Cwd = cwd
if config.User != "" {
return WithUser(config.User)(ctx, client, c, s)
}
return nil
}
}
// WithRootFSPath specifies unmanaged rootfs path.
func WithRootFSPath(path string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setRoot(s)
s.Root.Path = path
// Entrypoint is not set here (it's up to caller)
return nil
}
}
// WithRootFSReadonly sets specs.Root.Readonly to true
func WithRootFSReadonly() SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setRoot(s)
s.Root.Readonly = true
return nil
}
}
// WithNoNewPrivileges sets no_new_privileges on the process for the container
func WithNoNewPrivileges(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setProcess(s)
s.Process.NoNewPrivileges = true
return nil
}
// WithHostHostsFile bind-mounts the host's /etc/hosts into the container as readonly
func WithHostHostsFile(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
s.Mounts = append(s.Mounts, specs.Mount{
Destination: "/etc/hosts",
Type: "bind",
Source: "/etc/hosts",
Options: []string{"rbind", "ro"},
})
return nil
}
// WithHostResolvconf bind-mounts the host's /etc/resolv.conf into the container as readonly
func WithHostResolvconf(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
s.Mounts = append(s.Mounts, specs.Mount{
Destination: "/etc/resolv.conf",
Type: "bind",
Source: "/etc/resolv.conf",
Options: []string{"rbind", "ro"},
})
return nil
}
// WithHostLocaltime bind-mounts the host's /etc/localtime into the container as readonly
func WithHostLocaltime(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
s.Mounts = append(s.Mounts, specs.Mount{
Destination: "/etc/localtime",
Type: "bind",
Source: "/etc/localtime",
Options: []string{"rbind", "ro"},
})
return nil
}
// WithUserNamespace sets the uid and gid mappings for the task
// this can be called multiple times to add more mappings to the generated spec
func WithUserNamespace(container, host, size uint32) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
var hasUserns bool
setLinux(s)
for _, ns := range s.Linux.Namespaces {
if ns.Type == specs.UserNamespace {
hasUserns = true
break
}
}
if !hasUserns {
s.Linux.Namespaces = append(s.Linux.Namespaces, specs.LinuxNamespace{
Type: specs.UserNamespace,
})
}
mapping := specs.LinuxIDMapping{
ContainerID: container,
HostID: host,
Size: size,
}
s.Linux.UIDMappings = append(s.Linux.UIDMappings, mapping)
s.Linux.GIDMappings = append(s.Linux.GIDMappings, mapping)
return nil
}
}
// WithCgroup sets the container's cgroup path
func WithCgroup(path string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setLinux(s)
s.Linux.CgroupsPath = path
return nil
}
}
// WithNamespacedCgroup uses the namespace set on the context to create a
// root directory for containers in the cgroup with the id as the subcgroup
func WithNamespacedCgroup() SpecOpts {
return func(ctx context.Context, _ Client, c *containers.Container, s *Spec) error {
namespace, err := namespaces.NamespaceRequired(ctx)
if err != nil {
return err
}
setLinux(s)
s.Linux.CgroupsPath = filepath.Join("/", namespace, c.ID)
return nil
}
}
// WithUser sets the user to be used within the container.
// It accepts a valid user string in OCI Image Spec v1.0.0:
// user, uid, user:group, uid:gid, uid:group, user:gid
func WithUser(userstr string) SpecOpts {
return func(ctx context.Context, client Client, c *containers.Container, s *Spec) error {
setProcess(s)
parts := strings.Split(userstr, ":")
switch len(parts) {
case 1:
v, err := strconv.Atoi(parts[0])
if err != nil {
// if we cannot parse as a uint they try to see if it is a username
return WithUsername(userstr)(ctx, client, c, s)
}
return WithUserID(uint32(v))(ctx, client, c, s)
case 2:
var (
username string
groupname string
)
var uid, gid uint32
v, err := strconv.Atoi(parts[0])
if err != nil {
username = parts[0]
} else {
uid = uint32(v)
}
if v, err = strconv.Atoi(parts[1]); err != nil {
groupname = parts[1]
} else {
gid = uint32(v)
}
if username == "" && groupname == "" {
s.Process.User.UID, s.Process.User.GID = uid, gid
return nil
}
f := func(root string) error {
if username != "" {
uid, _, err = getUIDGIDFromPath(root, func(u user.User) bool {
return u.Name == username
})
if err != nil {
return err
}
}
if groupname != "" {
gid, err = getGIDFromPath(root, func(g user.Group) bool {
return g.Name == groupname
})
if err != nil {
return err
}
}
s.Process.User.UID, s.Process.User.GID = uid, gid
return nil
}
if c.Snapshotter == "" && c.SnapshotKey == "" {
if !isRootfsAbs(s.Root.Path) {
return errors.New("rootfs absolute path is required")
}
return f(s.Root.Path)
}
if c.Snapshotter == "" {
return errors.New("no snapshotter set for container")
}
if c.SnapshotKey == "" {
return errors.New("rootfs snapshot not created for container")
}
snapshotter := client.SnapshotService(c.Snapshotter)
mounts, err := snapshotter.Mounts(ctx, c.SnapshotKey)
if err != nil {
return err
}
return mount.WithTempMount(ctx, mounts, f)
default:
return fmt.Errorf("invalid USER value %s", userstr)
}
}
}
// WithUIDGID allows the UID and GID for the Process to be set
func WithUIDGID(uid, gid uint32) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setProcess(s)
s.Process.User.UID = uid
s.Process.User.GID = gid
return nil
}
}
// WithUserID sets the correct UID and GID for the container based
// on the image's /etc/passwd contents. If /etc/passwd does not exist,
// or uid is not found in /etc/passwd, it sets the requested uid,
// additionally sets the gid to 0, and does not return an error.
func WithUserID(uid uint32) SpecOpts {
return func(ctx context.Context, client Client, c *containers.Container, s *Spec) (err error) {
setProcess(s)
if c.Snapshotter == "" && c.SnapshotKey == "" {
if !isRootfsAbs(s.Root.Path) {
return errors.Errorf("rootfs absolute path is required")
}
uuid, ugid, err := getUIDGIDFromPath(s.Root.Path, func(u user.User) bool {
return u.Uid == int(uid)
})
if err != nil {
if os.IsNotExist(err) || err == errNoUsersFound {
s.Process.User.UID, s.Process.User.GID = uid, 0
return nil
}
return err
}
s.Process.User.UID, s.Process.User.GID = uuid, ugid
return nil
}
if c.Snapshotter == "" {
return errors.Errorf("no snapshotter set for container")
}
if c.SnapshotKey == "" {
return errors.Errorf("rootfs snapshot not created for container")
}
snapshotter := client.SnapshotService(c.Snapshotter)
mounts, err := snapshotter.Mounts(ctx, c.SnapshotKey)
if err != nil {
return err
}
return mount.WithTempMount(ctx, mounts, func(root string) error {
uuid, ugid, err := getUIDGIDFromPath(root, func(u user.User) bool {
return u.Uid == int(uid)
})
if err != nil {
if os.IsNotExist(err) || err == errNoUsersFound {
s.Process.User.UID, s.Process.User.GID = uid, 0
return nil
}
return err
}
s.Process.User.UID, s.Process.User.GID = uuid, ugid
return nil
})
}
}
// WithUsername sets the correct UID and GID for the container
// based on the the image's /etc/passwd contents. If /etc/passwd
// does not exist, or the username is not found in /etc/passwd,
// it returns error.
func WithUsername(username string) SpecOpts {
return func(ctx context.Context, client Client, c *containers.Container, s *Spec) (err error) {
setProcess(s)
if c.Snapshotter == "" && c.SnapshotKey == "" {
if !isRootfsAbs(s.Root.Path) {
return errors.Errorf("rootfs absolute path is required")
}
uid, gid, err := getUIDGIDFromPath(s.Root.Path, func(u user.User) bool {
return u.Name == username
})
if err != nil {
return err
}
s.Process.User.UID, s.Process.User.GID = uid, gid
return nil
}
if c.Snapshotter == "" {
return errors.Errorf("no snapshotter set for container")
}
if c.SnapshotKey == "" {
return errors.Errorf("rootfs snapshot not created for container")
}
snapshotter := client.SnapshotService(c.Snapshotter)
mounts, err := snapshotter.Mounts(ctx, c.SnapshotKey)
if err != nil {
return err
}
return mount.WithTempMount(ctx, mounts, func(root string) error {
uid, gid, err := getUIDGIDFromPath(root, func(u user.User) bool {
return u.Name == username
})
if err != nil {
return err
}
s.Process.User.UID, s.Process.User.GID = uid, gid
return nil
})
}
}
// WithCapabilities sets Linux capabilities on the process
func WithCapabilities(caps []string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setCapabilities(s)
s.Process.Capabilities.Bounding = caps
s.Process.Capabilities.Effective = caps
s.Process.Capabilities.Permitted = caps
s.Process.Capabilities.Inheritable = caps
return nil
}
}
// WithAllCapabilities sets all linux capabilities for the process
var WithAllCapabilities = WithCapabilities(getAllCapabilities())
func getAllCapabilities() []string {
last := capability.CAP_LAST_CAP
// hack for RHEL6 which has no /proc/sys/kernel/cap_last_cap
if last == capability.Cap(63) {
last = capability.CAP_BLOCK_SUSPEND
}
var caps []string
for _, cap := range capability.List() {
if cap > last {
continue
}
caps = append(caps, "CAP_"+strings.ToUpper(cap.String()))
}
return caps
}
// WithAmbientCapabilities set the Linux ambient capabilities for the process
// Ambient capabilities should only be set for non-root users or the caller should
// understand how these capabilities are used and set
func WithAmbientCapabilities(caps []string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setCapabilities(s)
s.Process.Capabilities.Ambient = caps
return nil
}
}
var errNoUsersFound = errors.New("no users found")
func getUIDGIDFromPath(root string, filter func(user.User) bool) (uid, gid uint32, err error) {
ppath, err := fs.RootPath(root, "/etc/passwd")
if err != nil {
return 0, 0, err
}
users, err := user.ParsePasswdFileFilter(ppath, filter)
if err != nil {
return 0, 0, err
}
if len(users) == 0 {
return 0, 0, errNoUsersFound
}
u := users[0]
return uint32(u.Uid), uint32(u.Gid), nil
}
var errNoGroupsFound = errors.New("no groups found")
func getGIDFromPath(root string, filter func(user.Group) bool) (gid uint32, err error) {
gpath, err := fs.RootPath(root, "/etc/group")
if err != nil {
return 0, err
}
groups, err := user.ParseGroupFileFilter(gpath, filter)
if err != nil {
return 0, err
}
if len(groups) == 0 {
return 0, errNoGroupsFound
}
g := groups[0]
return uint32(g.Gid), nil
}
func isRootfsAbs(root string) bool {
return filepath.IsAbs(root)
}
// WithMaskedPaths sets the masked paths option
func WithMaskedPaths(paths []string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setLinux(s)
s.Linux.MaskedPaths = paths
return nil
}
}
// WithReadonlyPaths sets the read only paths option
func WithReadonlyPaths(paths []string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setLinux(s)
s.Linux.ReadonlyPaths = paths
return nil
}
}
// WithWriteableSysfs makes any sysfs mounts writeable
func WithWriteableSysfs(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
for i, m := range s.Mounts {
if m.Type == "sysfs" {
var options []string
for _, o := range m.Options {
if o == "ro" {
o = "rw"
}
options = append(options, o)
}
s.Mounts[i].Options = options
}
}
return nil
}
// WithWriteableCgroupfs makes any cgroup mounts writeable
func WithWriteableCgroupfs(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
for i, m := range s.Mounts {
if m.Type == "cgroup" {
var options []string
for _, o := range m.Options {
if o == "ro" {
o = "rw"
}
options = append(options, o)
}
s.Mounts[i].Options = options
}
}
return nil
}
// WithSelinuxLabel sets the process SELinux label
func WithSelinuxLabel(label string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setProcess(s)
s.Process.SelinuxLabel = label
return nil
}
}
// WithApparmorProfile sets the Apparmor profile for the process
func WithApparmorProfile(profile string) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setProcess(s)
s.Process.ApparmorProfile = profile
return nil
}
}
// WithSeccompUnconfined clears the seccomp profile
func WithSeccompUnconfined(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setLinux(s)
s.Linux.Seccomp = nil
return nil
}
// WithParentCgroupDevices uses the default cgroup setup to inherit the container's parent cgroup's
// allowed and denied devices
func WithParentCgroupDevices(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setLinux(s)
if s.Linux.Resources == nil {
s.Linux.Resources = &specs.LinuxResources{}
}
s.Linux.Resources.Devices = nil
return nil
}
// WithDefaultUnixDevices adds the default devices for unix such as /dev/null, /dev/random to
// the container's resource cgroup spec
func WithDefaultUnixDevices(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setLinux(s)
if s.Linux.Resources == nil {
s.Linux.Resources = &specs.LinuxResources{}
}
intptr := func(i int64) *int64 {
return &i
}
s.Linux.Resources.Devices = append(s.Linux.Resources.Devices, []specs.LinuxDeviceCgroup{
{
// "/dev/null",
Type: "c",
Major: intptr(1),
Minor: intptr(3),
Access: rwm,
Allow: true,
},
{
// "/dev/random",
Type: "c",
Major: intptr(1),
Minor: intptr(8),
Access: rwm,
Allow: true,
},
{
// "/dev/full",
Type: "c",
Major: intptr(1),
Minor: intptr(7),
Access: rwm,
Allow: true,
},
{
// "/dev/tty",
Type: "c",
Major: intptr(5),
Minor: intptr(0),
Access: rwm,
Allow: true,
},
{
// "/dev/zero",
Type: "c",
Major: intptr(1),
Minor: intptr(5),
Access: rwm,
Allow: true,
},
{
// "/dev/urandom",
Type: "c",
Major: intptr(1),
Minor: intptr(9),
Access: rwm,
Allow: true,
},
{
// "/dev/console",
Type: "c",
Major: intptr(5),
Minor: intptr(1),
Access: rwm,
Allow: true,
},
// /dev/pts/ - pts namespaces are "coming soon"
{
Type: "c",
Major: intptr(136),
Access: rwm,
Allow: true,
},
{
Type: "c",
Major: intptr(5),
Minor: intptr(2),
Access: rwm,
Allow: true,
},
{
// tuntap
Type: "c",
Major: intptr(10),
Minor: intptr(200),
Access: rwm,
Allow: true,
},
}...)
return nil
}
// WithPrivileged sets up options for a privileged container
// TODO(justincormack) device handling
var WithPrivileged = Compose(
WithAllCapabilities,
WithMaskedPaths(nil),
WithReadonlyPaths(nil),
WithWriteableSysfs,
WithWriteableCgroupfs,
WithSelinuxLabel(""),
WithApparmorProfile(""),
WithSeccompUnconfined,
)

View File

@ -1,89 +0,0 @@
// +build windows
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package oci
import (
"context"
"encoding/json"
"fmt"
"github.com/containerd/containerd/containers"
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/images"
"github.com/opencontainers/image-spec/specs-go/v1"
specs "github.com/opencontainers/runtime-spec/specs-go"
)
// WithImageConfig configures the spec to from the configuration of an Image
func WithImageConfig(image Image) SpecOpts {
return func(ctx context.Context, client Client, _ *containers.Container, s *Spec) error {
setProcess(s)
ic, err := image.Config(ctx)
if err != nil {
return err
}
var (
ociimage v1.Image
config v1.ImageConfig
)
switch ic.MediaType {
case v1.MediaTypeImageConfig, images.MediaTypeDockerSchema2Config:
p, err := content.ReadBlob(ctx, image.ContentStore(), ic)
if err != nil {
return err
}
if err := json.Unmarshal(p, &ociimage); err != nil {
return err
}
config = ociimage.Config
default:
return fmt.Errorf("unknown image config media type %s", ic.MediaType)
}
s.Process.Env = config.Env
s.Process.Args = append(config.Entrypoint, config.Cmd...)
s.Process.User = specs.User{
Username: config.User,
}
return nil
}
}
// WithTTY sets the information on the spec as well as the environment variables for
// using a TTY
func WithTTY(width, height int) SpecOpts {
return func(_ context.Context, _ Client, _ *containers.Container, s *Spec) error {
setProcess(s)
s.Process.Terminal = true
if s.Process.ConsoleSize == nil {
s.Process.ConsoleSize = &specs.Box{}
}
s.Process.ConsoleSize.Width = uint(width)
s.Process.ConsoleSize.Height = uint(height)
return nil
}
}
// WithUsername sets the username on the process
func WithUsername(username string) SpecOpts {
return func(ctx context.Context, client Client, c *containers.Container, s *Spec) error {
setProcess(s)
s.Process.User.Username = username
return nil
}
}

View File

@ -1,188 +0,0 @@
// +build !windows
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package oci
import (
"context"
"path/filepath"
"github.com/containerd/containerd/namespaces"
specs "github.com/opencontainers/runtime-spec/specs-go"
)
const (
rwm = "rwm"
defaultRootfsPath = "rootfs"
)
var (
defaultEnv = []string{
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
}
)
func defaultCaps() []string {
return []string{
"CAP_CHOWN",
"CAP_DAC_OVERRIDE",
"CAP_FSETID",
"CAP_FOWNER",
"CAP_MKNOD",
"CAP_NET_RAW",
"CAP_SETGID",
"CAP_SETUID",
"CAP_SETFCAP",
"CAP_SETPCAP",
"CAP_NET_BIND_SERVICE",
"CAP_SYS_CHROOT",
"CAP_KILL",
"CAP_AUDIT_WRITE",
}
}
func defaultNamespaces() []specs.LinuxNamespace {
return []specs.LinuxNamespace{
{
Type: specs.PIDNamespace,
},
{
Type: specs.IPCNamespace,
},
{
Type: specs.UTSNamespace,
},
{
Type: specs.MountNamespace,
},
{
Type: specs.NetworkNamespace,
},
}
}
func populateDefaultSpec(ctx context.Context, s *Spec, id string) error {
ns, err := namespaces.NamespaceRequired(ctx)
if err != nil {
return err
}
*s = Spec{
Version: specs.Version,
Root: &specs.Root{
Path: defaultRootfsPath,
},
Process: &specs.Process{
Env: defaultEnv,
Cwd: "/",
NoNewPrivileges: true,
User: specs.User{
UID: 0,
GID: 0,
},
Capabilities: &specs.LinuxCapabilities{
Bounding: defaultCaps(),
Permitted: defaultCaps(),
Inheritable: defaultCaps(),
Effective: defaultCaps(),
},
Rlimits: []specs.POSIXRlimit{
{
Type: "RLIMIT_NOFILE",
Hard: uint64(1024),
Soft: uint64(1024),
},
},
},
Mounts: []specs.Mount{
{
Destination: "/proc",
Type: "proc",
Source: "proc",
},
{
Destination: "/dev",
Type: "tmpfs",
Source: "tmpfs",
Options: []string{"nosuid", "strictatime", "mode=755", "size=65536k"},
},
{
Destination: "/dev/pts",
Type: "devpts",
Source: "devpts",
Options: []string{"nosuid", "noexec", "newinstance", "ptmxmode=0666", "mode=0620", "gid=5"},
},
{
Destination: "/dev/shm",
Type: "tmpfs",
Source: "shm",
Options: []string{"nosuid", "noexec", "nodev", "mode=1777", "size=65536k"},
},
{
Destination: "/dev/mqueue",
Type: "mqueue",
Source: "mqueue",
Options: []string{"nosuid", "noexec", "nodev"},
},
{
Destination: "/sys",
Type: "sysfs",
Source: "sysfs",
Options: []string{"nosuid", "noexec", "nodev", "ro"},
},
{
Destination: "/run",
Type: "tmpfs",
Source: "tmpfs",
Options: []string{"nosuid", "strictatime", "mode=755", "size=65536k"},
},
},
Linux: &specs.Linux{
MaskedPaths: []string{
"/proc/acpi",
"/proc/kcore",
"/proc/keys",
"/proc/latency_stats",
"/proc/timer_list",
"/proc/timer_stats",
"/proc/sched_debug",
"/sys/firmware",
"/proc/scsi",
},
ReadonlyPaths: []string{
"/proc/asound",
"/proc/bus",
"/proc/fs",
"/proc/irq",
"/proc/sys",
"/proc/sysrq-trigger",
},
CgroupsPath: filepath.Join("/", ns, id),
Resources: &specs.LinuxResources{
Devices: []specs.LinuxDeviceCgroup{
{
Allow: false,
Access: rwm,
},
},
},
Namespaces: defaultNamespaces(),
},
}
return nil
}

View File

@ -22,11 +22,6 @@ import (
specs "github.com/opencontainers/image-spec/specs-go/v1" specs "github.com/opencontainers/image-spec/specs-go/v1"
) )
// Default returns the default matcher for the platform.
func Default() MatchComparer {
return Only(DefaultSpec())
}
// DefaultString returns the default string specifier for the platform. // DefaultString returns the default string specifier for the platform.
func DefaultString() string { func DefaultString() string {
return Format(DefaultSpec()) return Format(DefaultSpec())

View File

@ -1,3 +1,5 @@
// +build !windows
/* /*
Copyright The containerd Authors. Copyright The containerd Authors.
@ -14,31 +16,9 @@
limitations under the License. limitations under the License.
*/ */
package oci package platforms
import ( // Default returns the default matcher for the platform.
"context" func Default() MatchComparer {
return Only(DefaultSpec())
specs "github.com/opencontainers/runtime-spec/specs-go"
)
func populateDefaultSpec(ctx context.Context, s *Spec, id string) error {
*s = Spec{
Version: specs.Version,
Root: &specs.Root{},
Process: &specs.Process{
Cwd: `C:\`,
ConsoleSize: &specs.Box{
Width: 80,
Height: 20,
},
},
Windows: &specs.Windows{
IgnoreFlushesDuringBoot: true,
Network: &specs.WindowsNetwork{
AllowUnqualifiedDNSQuery: true,
},
},
}
return nil
} }

View File

@ -1,3 +1,5 @@
// +build windows
/* /*
Copyright The containerd Authors. Copyright The containerd Authors.
@ -14,18 +16,16 @@
limitations under the License. limitations under the License.
*/ */
package containerd package platforms
import ( import (
"context" specs "github.com/opencontainers/image-spec/specs-go/v1"
specs "github.com/opencontainers/runtime-spec/specs-go"
) )
// WithResources sets the provided resources on the spec for task updates // Default returns the default matcher for the platform.
func WithResources(resources *specs.WindowsResources) UpdateTaskOpts { func Default() MatchComparer {
return func(ctx context.Context, client *Client, r *UpdateTaskInfo) error { return Ordered(DefaultSpec(), specs.Platform{
r.Resources = resources OS: "linux",
return nil Architecture: "amd64",
} })
} }

View File

@ -117,7 +117,7 @@ func (r dockerFetcher) open(ctx context.Context, u, mediatype string, offset int
} }
} else { } else {
// TODO: Should any cases where use of content range // TODO: Should any cases where use of content range
// without the proper header be considerd? // without the proper header be considered?
// 206 responses? // 206 responses?
// Discard up to offset // Discard up to offset

View File

@ -134,7 +134,7 @@ func (hrs *httpReadSeeker) reader() (io.Reader, error) {
// There is an edge case here where offset == size of the content. If // There is an edge case here where offset == size of the content. If
// we seek, we will probably get an error for content that cannot be // we seek, we will probably get an error for content that cannot be
// sought (?). In that case, we should err on committing the content, // sought (?). In that case, we should err on committing the content,
// as the length is already satisified but we just return the empty // as the length is already satisfied but we just return the empty
// reader instead. // reader instead.
hrs.rc = ioutil.NopCloser(bytes.NewReader([]byte{})) hrs.rc = ioutil.NopCloser(bytes.NewReader([]byte{}))

View File

@ -272,8 +272,14 @@ func (c *Converter) fetchBlob(ctx context.Context, desc ocispec.Descriptor) erro
return err return err
} }
// TODO: Check if blob -> diff id mapping already exists reuse, err := c.reuseLabelBlobState(ctx, desc)
// TODO: Check if blob empty label exists if err != nil {
return err
}
if reuse {
return nil
}
ra, err := c.contentStore.ReaderAt(ctx, desc) ra, err := c.contentStore.ReaderAt(ctx, desc)
if err != nil { if err != nil {
@ -343,6 +349,17 @@ func (c *Converter) fetchBlob(ctx context.Context, desc ocispec.Descriptor) erro
state := calc.State() state := calc.State()
cinfo := content.Info{
Digest: desc.Digest,
Labels: map[string]string{
"containerd.io/uncompressed": state.diffID.String(),
},
}
if _, err := c.contentStore.Update(ctx, cinfo, "labels.containerd.io/uncompressed"); err != nil {
return errors.Wrap(err, "failed to update uncompressed label")
}
c.mu.Lock() c.mu.Lock()
c.blobMap[desc.Digest] = state c.blobMap[desc.Digest] = state
c.layerBlobs[state.diffID] = desc c.layerBlobs[state.diffID] = desc
@ -351,6 +368,40 @@ func (c *Converter) fetchBlob(ctx context.Context, desc ocispec.Descriptor) erro
return nil return nil
} }
func (c *Converter) reuseLabelBlobState(ctx context.Context, desc ocispec.Descriptor) (bool, error) {
cinfo, err := c.contentStore.Info(ctx, desc.Digest)
if err != nil {
return false, errors.Wrap(err, "failed to get blob info")
}
desc.Size = cinfo.Size
diffID, ok := cinfo.Labels["containerd.io/uncompressed"]
if !ok {
return false, nil
}
bState := blobState{empty: false}
if bState.diffID, err = digest.Parse(diffID); err != nil {
log.G(ctx).WithField("id", desc.Digest).Warnf("failed to parse digest from label containerd.io/uncompressed: %v", diffID)
return false, nil
}
// NOTE: there is no need to read header to get compression method
// because there are only two kinds of methods.
if bState.diffID == desc.Digest {
desc.MediaType = images.MediaTypeDockerSchema2Layer
} else {
desc.MediaType = images.MediaTypeDockerSchema2LayerGzip
}
c.mu.Lock()
c.blobMap[desc.Digest] = bState
c.layerBlobs[bState.diffID] = desc
c.mu.Unlock()
return true, nil
}
func (c *Converter) schema1ManifestHistory() ([]ocispec.History, []digest.Digest, error) { func (c *Converter) schema1ManifestHistory() ([]ocispec.History, []digest.Digest, error) {
if c.pulledManifest == nil { if c.pulledManifest == nil {
return nil, nil, errors.New("missing schema 1 manifest for conversion") return nil, nil, errors.New("missing schema 1 manifest for conversion")

View File

@ -1,78 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package restart enables containers to have labels added and monitored to
// keep the container's task running if it is killed.
//
// Setting the StatusLabel on a container instructs the restart monitor to keep
// that container's task in a specific status.
// Setting the LogPathLabel on a container will setup the task's IO to be redirected
// to a log file when running a task within the restart manager.
//
// The restart labels can be cleared off of a container using the WithNoRestarts Opt.
//
// The restart monitor has one option in the containerd config under the [plugins.restart]
// section. `interval = "10s" sets the reconcile interval that the restart monitor checks
// for task state and reconciles the desired status for that task.
package restart
import (
"context"
"github.com/containerd/containerd"
"github.com/containerd/containerd/containers"
)
const (
// StatusLabel sets the restart status label for a container
StatusLabel = "containerd.io/restart.status"
// LogPathLabel sets the restart log path label for a container
LogPathLabel = "containerd.io/restart.logpath"
)
// WithLogPath sets the log path for a container
func WithLogPath(path string) func(context.Context, *containerd.Client, *containers.Container) error {
return func(_ context.Context, _ *containerd.Client, c *containers.Container) error {
ensureLabels(c)
c.Labels[LogPathLabel] = path
return nil
}
}
// WithStatus sets the status for a container
func WithStatus(status containerd.ProcessStatus) func(context.Context, *containerd.Client, *containers.Container) error {
return func(_ context.Context, _ *containerd.Client, c *containers.Container) error {
ensureLabels(c)
c.Labels[StatusLabel] = string(status)
return nil
}
}
// WithNoRestarts clears any restart information from the container
func WithNoRestarts(_ context.Context, _ *containerd.Client, c *containers.Container) error {
if c.Labels == nil {
return nil
}
delete(c.Labels, StatusLabel)
delete(c.Labels, LogPathLabel)
return nil
}
func ensureLabels(c *containers.Container) {
if c.Labels == nil {
c.Labels = make(map[string]string)
}
}

View File

@ -42,7 +42,7 @@ func CreateUnixSocket(path string) (net.Listener, error) {
return net.Listen("unix", path) return net.Listen("unix", path)
} }
// GetLocalListener returns a listerner out of a unix socket. // GetLocalListener returns a listener out of a unix socket.
func GetLocalListener(path string, uid, gid int) (net.Listener, error) { func GetLocalListener(path string, uid, gid int) (net.Listener, error) {
// Ensure parent directory is created // Ensure parent directory is created
if err := mkdirAs(filepath.Dir(path), uid, gid); err != nil { if err := mkdirAs(filepath.Dir(path), uid, gid); err != nil {

View File

@ -18,10 +18,18 @@ package containerd
import ( import (
"context" "context"
"encoding/json"
"fmt"
"syscall" "syscall"
"github.com/containerd/containerd/api/types"
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/errdefs" "github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/images"
"github.com/containerd/containerd/mount" "github.com/containerd/containerd/mount"
imagespec "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/opencontainers/runtime-spec/specs-go"
"github.com/pkg/errors"
) )
// NewTaskOpts allows the caller to set options on a new task // NewTaskOpts allows the caller to set options on a new task
@ -35,6 +43,44 @@ func WithRootFS(mounts []mount.Mount) NewTaskOpts {
} }
} }
// WithTaskCheckpoint allows a task to be created with live runtime and memory data from a
// previous checkpoint. Additional software such as CRIU may be required to
// restore a task from a checkpoint
func WithTaskCheckpoint(im Image) NewTaskOpts {
return func(ctx context.Context, c *Client, info *TaskInfo) error {
desc := im.Target()
id := desc.Digest
index, err := decodeIndex(ctx, c.ContentStore(), desc)
if err != nil {
return err
}
for _, m := range index.Manifests {
if m.MediaType == images.MediaTypeContainerd1Checkpoint {
info.Checkpoint = &types.Descriptor{
MediaType: m.MediaType,
Size_: m.Size,
Digest: m.Digest,
}
return nil
}
}
return fmt.Errorf("checkpoint not found in index %s", id)
}
}
func decodeIndex(ctx context.Context, store content.Provider, desc imagespec.Descriptor) (*imagespec.Index, error) {
var index imagespec.Index
p, err := content.ReadBlob(ctx, store, desc)
if err != nil {
return nil, err
}
if err := json.Unmarshal(p, &index); err != nil {
return nil, err
}
return &index, nil
}
// WithCheckpointName sets the image name for the checkpoint // WithCheckpointName sets the image name for the checkpoint
func WithCheckpointName(name string) CheckpointTaskOpts { func WithCheckpointName(name string) CheckpointTaskOpts {
return func(r *CheckpointTaskInfo) error { return func(r *CheckpointTaskInfo) error {
@ -92,3 +138,19 @@ func WithKillExecID(execID string) KillOpts {
return nil return nil
} }
} }
// WithResources sets the provided resources for task updates. Resources must be
// either a *specs.LinuxResources or a *specs.WindowsResources
func WithResources(resources interface{}) UpdateTaskOpts {
return func(ctx context.Context, client *Client, r *UpdateTaskInfo) error {
switch resources.(type) {
case *specs.LinuxResources:
case *specs.WindowsResources:
default:
return errors.New("WithResources requires a *specs.LinuxResources or *specs.WindowsResources")
}
r.Resources = resources
return nil
}
}

View File

@ -1,3 +1,5 @@
// +build !windows
/* /*
Copyright The containerd Authors. Copyright The containerd Authors.
@ -18,20 +20,11 @@ package containerd
import ( import (
"context" "context"
"errors"
"github.com/containerd/containerd/runtime/linux/runctypes" "github.com/containerd/containerd/runtime/linux/runctypes"
"github.com/opencontainers/runtime-spec/specs-go" "github.com/pkg/errors"
) )
// WithResources sets the provided resources for task updates
func WithResources(resources *specs.LinuxResources) UpdateTaskOpts {
return func(ctx context.Context, client *Client, r *UpdateTaskInfo) error {
r.Resources = resources
return nil
}
}
// WithNoNewKeyring causes tasks not to be created with a new keyring for secret storage. // WithNoNewKeyring causes tasks not to be created with a new keyring for secret storage.
// There is an upper limit on the number of keyrings in a linux system // There is an upper limit on the number of keyrings in a linux system
func WithNoNewKeyring(ctx context.Context, c *Client, ti *TaskInfo) error { func WithNoNewKeyring(ctx context.Context, c *Client, ti *TaskInfo) error {
@ -46,3 +39,19 @@ func WithNoNewKeyring(ctx context.Context, c *Client, ti *TaskInfo) error {
opts.NoNewKeyring = true opts.NoNewKeyring = true
return nil return nil
} }
// WithNoPivotRoot instructs the runtime not to you pivot_root
func WithNoPivotRoot(_ context.Context, _ *Client, info *TaskInfo) error {
if info.Options == nil {
info.Options = &runctypes.CreateOptions{
NoPivotRoot: true,
}
return nil
}
opts, ok := info.Options.(*runctypes.CreateOptions)
if !ok {
return errors.New("invalid options type, expected runctypes.CreateOptions")
}
opts.NoPivotRoot = true
return nil
}

View File

@ -1,10 +1,10 @@
github.com/containerd/go-runc acb7c88cac264acca9b5eae187a117f4d77a1292 github.com/containerd/go-runc 5a6d9f37cfa36b15efba46dc7ea349fa9b7143c3
github.com/containerd/console c12b1e7919c14469339a5d38f2f8ed9b64a9de23 github.com/containerd/console c12b1e7919c14469339a5d38f2f8ed9b64a9de23
github.com/containerd/cgroups 5e610833b72089b37d0e615de9a92dfc043757c2 github.com/containerd/cgroups 5e610833b72089b37d0e615de9a92dfc043757c2
github.com/containerd/typeurl a93fcdb778cd272c6e9b3028b2f42d813e785d40 github.com/containerd/typeurl a93fcdb778cd272c6e9b3028b2f42d813e785d40
github.com/containerd/fifo 3d5202aec260678c48179c56f40e6f38a095738c github.com/containerd/fifo 3d5202aec260678c48179c56f40e6f38a095738c
github.com/containerd/btrfs 2e1aa0ddf94f91fa282b6ed87c23bf0d64911244 github.com/containerd/btrfs 2e1aa0ddf94f91fa282b6ed87c23bf0d64911244
github.com/containerd/continuity d3c23511c1bf5851696cba83143d9cbcd666869b github.com/containerd/continuity f44b615e492bdfb371aae2f76ec694d9da1db537
github.com/coreos/go-systemd 48702e0da86bd25e76cfef347e2adeb434a0d0a6 github.com/coreos/go-systemd 48702e0da86bd25e76cfef347e2adeb434a0d0a6
github.com/docker/go-metrics 4ea375f7759c82740c893fc030bc37088d2ec098 github.com/docker/go-metrics 4ea375f7759c82740c893fc030bc37088d2ec098
github.com/docker/go-events 9461782956ad83b30282bf90e31fa6a70c255ba9 github.com/docker/go-events 9461782956ad83b30282bf90e31fa6a70c255ba9
@ -71,7 +71,7 @@ github.com/xeipuuv/gojsonschema 1d523034197ff1f222f6429836dd36a2457a1874
golang.org/x/crypto 49796115aa4b964c318aad4f3084fdb41e9aa067 golang.org/x/crypto 49796115aa4b964c318aad4f3084fdb41e9aa067
golang.org/x/time f51c12702a4d776e4c1fa9b0fabab841babae631 golang.org/x/time f51c12702a4d776e4c1fa9b0fabab841babae631
gopkg.in/inf.v0 3887ee99ecf07df5b447e9b00d9c0b2adaa9f3e4 gopkg.in/inf.v0 3887ee99ecf07df5b447e9b00d9c0b2adaa9f3e4
gopkg.in/yaml.v2 53feefa2559fb8dfa8d81baad31be332c97d6c77 gopkg.in/yaml.v2 v2.2.1
k8s.io/api 9e5ffd1f1320950b238cfce291b926411f0af722 k8s.io/api 9e5ffd1f1320950b238cfce291b926411f0af722
k8s.io/apimachinery ed135c5b96450fd24e5e981c708114fbbd950697 k8s.io/apimachinery ed135c5b96450fd24e5e981c708114fbbd950697
k8s.io/apiserver a90e3a95c2e91b944bfca8225c4e0d12e42a9eb5 k8s.io/apiserver a90e3a95c2e91b944bfca8225c4e0d12e42a9eb5
@ -85,4 +85,4 @@ github.com/mistifyio/go-zfs 166add352731e515512690329794ee593f1aaff2
github.com/pborman/uuid c65b2f87fee37d1c7854c9164a450713c28d50cd github.com/pborman/uuid c65b2f87fee37d1c7854c9164a450713c28d50cd
# aufs dependencies # aufs dependencies
github.com/containerd/aufs a7fbd554da7a9eafbe5a460a421313a9fd18d988 github.com/containerd/aufs ffa39970e26ad01d81f540b21e65f9c1841a5f92