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DockerCLI
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fix: cli prompt termination exit code 

Signed-off-by: Alano Terblanche <18033717+Benehiko@users.noreply.github.com>
This commit is contained in:
Alano Terblanche 2024-02-21 16:36:17 +01:00
parent 310daf2db9
commit 10bf91a02d
No known key found for this signature in database
GPG Key ID: 0E8FACD1BA98DE27
33 changed files with 739 additions and 63 deletions
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20
cli/command/builder/client_test.go Normal file
View File

@ -0,0 +1,20 @@
package builder
import (
"context"
"github.com/docker/docker/api/types"
"github.com/docker/docker/client"
)
type fakeClient struct {
client.Client
builderPruneFunc func(ctx context.Context, opts types.BuildCachePruneOptions) (*types.BuildCachePruneReport, error)
}
func (c *fakeClient) BuildCachePrune(ctx context.Context, opts types.BuildCachePruneOptions) (*types.BuildCachePruneReport, error) {
if c.builderPruneFunc != nil {
return c.builderPruneFunc(ctx, opts)
}
return nil, nil
}

6
cli/command/builder/prune.go
View File

@ -66,8 +66,10 @@ func runPrune(ctx context.Context, dockerCli command.Cli, options pruneOptions)
if options.all {
warning = allCacheWarning
}
if !options.force && !command.PromptForConfirmation(dockerCli.In(), dockerCli.Out(), warning) {
return 0, "", nil
if !options.force {
if r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), warning); !r || err != nil {
return 0, "", err
}
}
report, err := dockerCli.Client().BuildCachePrune(ctx, types.BuildCachePruneOptions{

28
cli/command/builder/prune_test.go Normal file
View File

@ -0,0 +1,28 @@
package builder
import (
"context"
"errors"
"testing"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"gotest.tools/v3/assert"
)
func TestBuilderPromptTermination(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
cli := test.NewFakeCli(&fakeClient{
builderPruneFunc: func(ctx context.Context, opts types.BuildCachePruneOptions) (*types.BuildCachePruneReport, error) {
return nil, errors.New("fakeClient builderPruneFunc should not be called")
},
})
cmd := NewPruneCommand(cli)
test.TerminatePrompt(ctx, t, cmd, cli, func(t *testing.T, err error) {
t.Helper()
assert.ErrorIs(t, err, command.ErrPromptTerminated)
})
}

9
cli/command/container/client_test.go
View File

@ -6,6 +6,7 @@ import (
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/api/types/filters"
"github.com/docker/docker/api/types/image"
"github.com/docker/docker/api/types/network"
"github.com/docker/docker/api/types/system"
@ -35,6 +36,7 @@ type fakeClient struct {
containerExecResizeFunc func(id string, options container.ResizeOptions) error
containerRemoveFunc func(ctx context.Context, containerID string, options container.RemoveOptions) error
containerKillFunc func(ctx context.Context, containerID, signal string) error
containerPruneFunc func(ctx context.Context, pruneFilters filters.Args) (types.ContainersPruneReport, error)
Version string
}
@ -164,3 +166,10 @@ func (f *fakeClient) ContainerKill(ctx context.Context, containerID, signal stri
}
return nil
}
func (f *fakeClient) ContainersPrune(ctx context.Context, pruneFilters filters.Args) (types.ContainersPruneReport, error) {
if f.containerPruneFunc != nil {
return f.containerPruneFunc(ctx, pruneFilters)
}
return types.ContainersPruneReport{}, nil
}

6
cli/command/container/prune.go
View File

@ -53,8 +53,10 @@ Are you sure you want to continue?`
func runPrune(ctx context.Context, dockerCli command.Cli, options pruneOptions) (spaceReclaimed uint64, output string, err error) {
pruneFilters := command.PruneFilters(dockerCli, options.filter.Value())
if !options.force && !command.PromptForConfirmation(dockerCli.In(), dockerCli.Out(), warning) {
return 0, "", nil
if !options.force {
if r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), warning); !r || err != nil {
return 0, "", err
}
}
report, err := dockerCli.Client().ContainersPrune(ctx, pruneFilters)

29
cli/command/container/prune_test.go Normal file
View File

@ -0,0 +1,29 @@
package container
import (
"context"
"testing"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
)
func TestContainerPrunePromptTermination(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
cli := test.NewFakeCli(&fakeClient{
containerPruneFunc: func(ctx context.Context, pruneFilters filters.Args) (types.ContainersPruneReport, error) {
return types.ContainersPruneReport{}, errors.New("fakeClient containerPruneFunc should not be called")
},
})
cmd := NewPruneCommand(cli)
test.TerminatePrompt(ctx, t, cmd, cli, func(t *testing.T, err error) {
t.Helper()
assert.ErrorIs(t, err, command.ErrPromptTerminated)
})
}

6
cli/command/image/prune.go
View File

@ -67,8 +67,10 @@ func runPrune(ctx context.Context, dockerCli command.Cli, options pruneOptions)
if options.all {
warning = allImageWarning
}
if !options.force && !command.PromptForConfirmation(dockerCli.In(), dockerCli.Out(), warning) {
return 0, "", nil
if !options.force {
if r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), warning); !r || err != nil {
return 0, "", err
}
}
report, err := dockerCli.Client().ImagesPrune(ctx, pruneFilters)

18
cli/command/image/prune_test.go
View File

@ -1,10 +1,12 @@
package image
import (
"context"
"fmt"
"io"
"testing"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
@ -101,3 +103,19 @@ func TestNewPruneCommandSuccess(t *testing.T) {
golden.Assert(t, cli.OutBuffer().String(), fmt.Sprintf("prune-command-success.%s.golden", tc.name))
}
}
func TestPrunePromptTermination(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
cli := test.NewFakeCli(&fakeClient{
imagesPruneFunc: func(pruneFilter filters.Args) (types.ImagesPruneReport, error) {
return types.ImagesPruneReport{}, errors.New("fakeClient imagesPruneFunc should not be called")
},
})
cmd := NewPruneCommand(cli)
test.TerminatePrompt(ctx, t, cmd, cli, func(t *testing.T, err error) {
t.Helper()
assert.ErrorIs(t, err, command.ErrPromptTerminated)
})
}

15
cli/command/network/client_test.go
View File

@ -4,6 +4,7 @@ import (
"context"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
"github.com/docker/docker/api/types/network"
"github.com/docker/docker/client"
)
@ -15,6 +16,8 @@ type fakeClient struct {
networkDisconnectFunc func(ctx context.Context, networkID, container string, force bool) error
networkRemoveFunc func(ctx context.Context, networkID string) error
networkListFunc func(ctx context.Context, options types.NetworkListOptions) ([]types.NetworkResource, error)
networkPruneFunc func(ctx context.Context, pruneFilters filters.Args) (types.NetworksPruneReport, error)
networkInspectFunc func(ctx context.Context, networkID string, options types.NetworkInspectOptions) (types.NetworkResource, []byte, error)
}
func (c *fakeClient) NetworkCreate(ctx context.Context, name string, options types.NetworkCreate) (types.NetworkCreateResponse, error) {
@ -52,6 +55,16 @@ func (c *fakeClient) NetworkRemove(ctx context.Context, networkID string) error
return nil
}
func (c *fakeClient) NetworkInspectWithRaw(context.Context, string, types.NetworkInspectOptions) (types.NetworkResource, []byte, error) {
func (c *fakeClient) NetworkInspectWithRaw(ctx context.Context, networkID string, opts types.NetworkInspectOptions) (types.NetworkResource, []byte, error) {
if c.networkInspectFunc != nil {
return c.networkInspectFunc(ctx, networkID, opts)
}
return types.NetworkResource{}, nil, nil
}
func (c *fakeClient) NetworksPrune(ctx context.Context, pruneFilter filters.Args) (types.NetworksPruneReport, error) {
if c.networkPruneFunc != nil {
return c.networkPruneFunc(ctx, pruneFilter)
}
return types.NetworksPruneReport{}, nil
}

6
cli/command/network/prune.go
View File

@ -49,8 +49,10 @@ Are you sure you want to continue?`
func runPrune(ctx context.Context, dockerCli command.Cli, options pruneOptions) (output string, err error) {
pruneFilters := command.PruneFilters(dockerCli, options.filter.Value())
if !options.force && !command.PromptForConfirmation(dockerCli.In(), dockerCli.Out(), warning) {
return "", nil
if !options.force {
if r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), warning); !r || err != nil {
return "", err
}
}
report, err := dockerCli.Client().NetworksPrune(ctx, pruneFilters)

29
cli/command/network/prune_test.go Normal file
View File

@ -0,0 +1,29 @@
package network
import (
"context"
"testing"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
)
func TestNetworkPrunePromptTermination(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
cli := test.NewFakeCli(&fakeClient{
networkPruneFunc: func(ctx context.Context, pruneFilters filters.Args) (types.NetworksPruneReport, error) {
return types.NetworksPruneReport{}, errors.New("fakeClient networkPruneFunc should not be called")
},
})
cmd := NewPruneCommand(cli)
test.TerminatePrompt(ctx, t, cmd, cli, func(t *testing.T, err error) {
t.Helper()
assert.ErrorIs(t, err, command.ErrPromptTerminated)
})
}

11
cli/command/network/remove.go
View File

@ -46,11 +46,16 @@ func runRemove(ctx context.Context, dockerCli command.Cli, networks []string, op
status := 0
for _, name := range networks {
if nw, _, err := client.NetworkInspectWithRaw(ctx, name, types.NetworkInspectOptions{}); err == nil &&
nw.Ingress &&
!command.PromptForConfirmation(dockerCli.In(), dockerCli.Out(), ingressWarning) {
nw, _, err := client.NetworkInspectWithRaw(ctx, name, types.NetworkInspectOptions{})
if err == nil && nw.Ingress {
r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), ingressWarning)
if err != nil {
return err
}
if !r {
continue
}
}
if err := client.NetworkRemove(ctx, name); err != nil {
if opts.force && errdefs.IsNotFound(err) {
continue

26
cli/command/network/remove_test.go
View File

@ -5,7 +5,9 @@ import (
"io"
"testing"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/errdefs"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
@ -94,3 +96,27 @@ func TestNetworkRemoveForce(t *testing.T) {
})
}
}
func TestNetworkRemovePromptTermination(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
cli := test.NewFakeCli(&fakeClient{
networkRemoveFunc: func(ctx context.Context, networkID string) error {
return errors.New("fakeClient networkRemoveFunc should not be called")
},
networkInspectFunc: func(ctx context.Context, networkID string, options types.NetworkInspectOptions) (types.NetworkResource, []byte, error) {
return types.NetworkResource{
ID: "existing-network",
Name: "existing-network",
Ingress: true,
}, nil, nil
},
})
cmd := newRemoveCommand(cli)
cmd.SetArgs([]string{"existing-network"})
test.TerminatePrompt(ctx, t, cmd, cli, func(t *testing.T, err error) {
t.Helper()
assert.ErrorIs(t, err, command.ErrPromptTerminated)
})
}

8
cli/command/plugin/client_test.go
View File

@ -19,6 +19,7 @@ type fakeClient struct {
pluginInstallFunc func(name string, options types.PluginInstallOptions) (io.ReadCloser, error)
pluginListFunc func(filter filters.Args) (types.PluginsListResponse, error)
pluginInspectFunc func(name string) (*types.Plugin, []byte, error)
pluginUpgradeFunc func(name string, options types.PluginInstallOptions) (io.ReadCloser, error)
}
func (c *fakeClient) PluginCreate(_ context.Context, createContext io.Reader, createOptions types.PluginCreateOptions) error {
@ -75,3 +76,10 @@ func (c *fakeClient) PluginInspectWithRaw(_ context.Context, name string) (*type
func (c *fakeClient) Info(context.Context) (system.Info, error) {
return system.Info{}, nil
}
func (c *fakeClient) PluginUpgrade(ctx context.Context, name string, options types.PluginInstallOptions) (io.ReadCloser, error) {
if c.pluginUpgradeFunc != nil {
return c.pluginUpgradeFunc(name, options)
}
return nil, nil
}

3
cli/command/plugin/install.go
View File

@ -142,6 +142,7 @@ func acceptPrivileges(dockerCli command.Cli, name string) func(privileges types.
for _, privilege := range privileges {
fmt.Fprintf(dockerCli.Out(), " - %s: %v\n", privilege.Name, privilege.Value)
}
return command.PromptForConfirmation(dockerCli.In(), dockerCli.Out(), "Do you grant the above permissions?"), nil
ctx := context.TODO()
return command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), "Do you grant the above permissions?")
}
}

2
cli/command/plugin/testdata/plugin-upgrade-terminate.golden vendored Normal file
View File

@ -0,0 +1,2 @@
Upgrading plugin foo/bar from localhost:5000/foo/bar:v0.1.0 to localhost:5000/foo/bar:v1.0.0
Plugin images do not match, are you sure? [y/N]

5
cli/command/plugin/upgrade.go
View File

@ -63,7 +63,10 @@ func runUpgrade(ctx context.Context, dockerCli command.Cli, opts pluginOptions)
fmt.Fprintf(dockerCli.Out(), "Upgrading plugin %s from %s to %s\n", p.Name, reference.FamiliarString(old), reference.FamiliarString(remote))
if !opts.skipRemoteCheck && remote.String() != old.String() {
if !command.PromptForConfirmation(dockerCli.In(), dockerCli.Out(), "Plugin images do not match, are you sure?") {
if r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), "Plugin images do not match, are you sure?"); !r || err != nil {
if err != nil {
return errors.Wrap(err, "canceling upgrade request")
}
return errors.New("canceling upgrade request")
}
}

42
cli/command/plugin/upgrade_test.go Normal file
View File

@ -0,0 +1,42 @@
package plugin
import (
"context"
"io"
"testing"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
"gotest.tools/v3/golden"
)
func TestUpgradePromptTermination(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
cli := test.NewFakeCli(&fakeClient{
pluginUpgradeFunc: func(name string, options types.PluginInstallOptions) (io.ReadCloser, error) {
return nil, errors.New("should not be called")
},
pluginInspectFunc: func(name string) (*types.Plugin, []byte, error) {
return &types.Plugin{
ID: "5724e2c8652da337ab2eedd19fc6fc0ec908e4bd907c7421bf6a8dfc70c4c078",
Name: "foo/bar",
Enabled: false,
PluginReference: "localhost:5000/foo/bar:v0.1.0",
}, []byte{}, nil
},
})
cmd := newUpgradeCommand(cli)
// need to set a remote address that does not match the plugin
// reference sent by the `pluginInspectFunc`
cmd.SetArgs([]string{"foo/bar", "localhost:5000/foo/bar:v1.0.0"})
test.TerminatePrompt(ctx, t, cmd, cli, func(t *testing.T, err error) {
t.Helper()
assert.ErrorIs(t, err, command.ErrPromptTerminated)
})
golden.Assert(t, cli.OutBuffer().String(), "plugin-upgrade-terminate.golden")
}

17
cli/command/system/client_test.go
View File

@ -5,6 +5,7 @@ import (
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/events"
"github.com/docker/docker/api/types/filters"
"github.com/docker/docker/client"
)
@ -14,6 +15,8 @@ type fakeClient struct {
version string
serverVersion func(ctx context.Context) (types.Version, error)
eventsFn func(context.Context, types.EventsOptions) (<-chan events.Message, <-chan error)
containerPruneFunc func(ctx context.Context, pruneFilters filters.Args) (types.ContainersPruneReport, error)
networkPruneFunc func(ctx context.Context, pruneFilter filters.Args) (types.NetworksPruneReport, error)
}
func (cli *fakeClient) ServerVersion(ctx context.Context) (types.Version, error) {
@ -27,3 +30,17 @@ func (cli *fakeClient) ClientVersion() string {
func (cli *fakeClient) Events(ctx context.Context, opts types.EventsOptions) (<-chan events.Message, <-chan error) {
return cli.eventsFn(ctx, opts)
}
func (cli *fakeClient) ContainersPrune(ctx context.Context, pruneFilters filters.Args) (types.ContainersPruneReport, error) {
if cli.containerPruneFunc != nil {
return cli.containerPruneFunc(ctx, pruneFilters)
}
return types.ContainersPruneReport{}, nil
}
func (cli *fakeClient) NetworksPrune(ctx context.Context, pruneFilter filters.Args) (types.NetworksPruneReport, error) {
if cli.networkPruneFunc != nil {
return cli.networkPruneFunc(ctx, pruneFilter)
}
return types.NetworksPruneReport{}, nil
}

6
cli/command/system/prune.go
View File

@ -74,8 +74,10 @@ func runPrune(ctx context.Context, dockerCli command.Cli, options pruneOptions)
if options.pruneVolumes && options.filter.Value().Contains("until") {
return fmt.Errorf(`ERROR: The "until" filter is not supported with "--volumes"`)
}
if !options.force && !command.PromptForConfirmation(dockerCli.In(), dockerCli.Out(), confirmationMessage(dockerCli, options)) {
return nil
if !options.force {
if r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), confirmationMessage(dockerCli, options)); !r || err != nil {
return err
}
}
pruneFuncs := []func(ctx context.Context, dockerCli command.Cli, all bool, filter opts.FilterOpt) (uint64, string, error){
container.RunPrune,

25
cli/command/system/prune_test.go
View File

@ -1,10 +1,15 @@
package system
import (
"context"
"testing"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/config/configfile"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
)
@ -49,3 +54,23 @@ func TestPrunePromptFilters(t *testing.T) {
Are you sure you want to continue? [y/N] `
assert.Check(t, is.Equal(expected, cli.OutBuffer().String()))
}
func TestSystemPrunePromptTermination(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
cli := test.NewFakeCli(&fakeClient{
containerPruneFunc: func(ctx context.Context, pruneFilters filters.Args) (types.ContainersPruneReport, error) {
return types.ContainersPruneReport{}, errors.New("fakeClient containerPruneFunc should not be called")
},
networkPruneFunc: func(ctx context.Context, pruneFilters filters.Args) (types.NetworksPruneReport, error) {
return types.NetworksPruneReport{}, errors.New("fakeClient networkPruneFunc should not be called")
},
})
cmd := newPruneCommand(cli)
test.TerminatePrompt(ctx, t, cmd, cli, func(t *testing.T, err error) {
t.Helper()
assert.ErrorIs(t, err, command.ErrPromptTerminated)
})
}

7
cli/command/trust/revoke.go
View File

@ -3,7 +3,6 @@ package trust
import (
"context"
"fmt"
"os"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
@ -44,7 +43,11 @@ func revokeTrust(ctx context.Context, dockerCLI command.Cli, remote string, opti
return fmt.Errorf("cannot use a digest reference for IMAGE:TAG")
}
if imgRefAndAuth.Tag() == "" && !options.forceYes {
deleteRemote := command.PromptForConfirmation(os.Stdin, dockerCLI.Out(), fmt.Sprintf("Please confirm you would like to delete all signature data for %s?", remote))
deleteRemote, err := command.PromptForConfirmation(ctx, dockerCLI.In(), dockerCLI.Out(), fmt.Sprintf("Please confirm you would like to delete all signature data for %s?", remote))
if err != nil {
fmt.Fprintf(dockerCLI.Out(), "\nAborting action.\n")
return errors.Wrap(err, "aborting action")
}
if !deleteRemote {
fmt.Fprintf(dockerCLI.Out(), "\nAborting action.\n")
return nil

18
cli/command/trust/revoke_test.go
View File

@ -1,9 +1,11 @@
package trust
import (
"context"
"io"
"testing"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/trust"
"github.com/docker/cli/internal/test"
"github.com/docker/cli/internal/test/notary"
@ -12,6 +14,7 @@ import (
"github.com/theupdateframework/notary/trustpinning"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/golden"
)
func TestTrustRevokeCommandErrors(t *testing.T) {
@ -148,3 +151,18 @@ func TestGetSignableRolesForTargetAndRemoveError(t *testing.T) {
err = getSignableRolesForTargetAndRemove(target, notaryRepo)
assert.Error(t, err, "client is offline")
}
func TestRevokeTrustPromptTermination(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
cli := test.NewFakeCli(&fakeClient{})
cmd := newRevokeCommand(cli)
cmd.SetArgs([]string{"example/trust-demo"})
test.TerminatePrompt(ctx, t, cmd, cli, func(t *testing.T, err error) {
t.Helper()
assert.ErrorIs(t, err, command.ErrPromptTerminated)
})
assert.Equal(t, cli.ErrBuffer().String(), "")
golden.Assert(t, cli.OutBuffer().String(), "trust-revoke-prompt-termination.golden")
}

49
cli/command/trust/signer_remove.go
View File

@ -3,7 +3,6 @@ package trust
import (
"context"
"fmt"
"os"
"strings"
"github.com/docker/cli/cli"
@ -76,6 +75,22 @@ func isLastSignerForReleases(roleWithSig data.Role, allRoles []client.RoleWithSi
return counter < releasesRoleWithSigs.Threshold, nil
}
func maybePromptForSignerRemoval(ctx context.Context, dockerCLI command.Cli, repoName, signerName string, isLastSigner, forceYes bool) (bool, error) {
if isLastSigner && !forceYes {
message := fmt.Sprintf("The signer \"%s\" signed the last released version of %s. "+
"Removing this signer will make %s unpullable. "+
"Are you sure you want to continue?",
signerName, repoName, repoName,
)
removeSigner, err := command.PromptForConfirmation(ctx, dockerCLI.In(), dockerCLI.Out(), message)
if err != nil {
return false, err
}
return removeSigner, nil
}
return false, nil
}
// removeSingleSigner attempts to remove a single signer and returns whether signer removal happened.
// The signer not being removed doesn't necessarily raise an error e.g. user choosing "No" when prompted for confirmation.
func removeSingleSigner(ctx context.Context, dockerCLI command.Cli, repoName, signerName string, forceYes bool) (bool, error) {
@ -110,28 +125,26 @@ func removeSingleSigner(ctx context.Context, dockerCLI command.Cli, repoName, si
if err != nil {
return false, err
}
if ok, err := isLastSignerForReleases(role, allRoles); ok && !forceYes {
removeSigner := command.PromptForConfirmation(os.Stdin, dockerCLI.Out(), fmt.Sprintf("The signer \"%s\" signed the last released version of %s. "+
"Removing this signer will make %s unpullable. "+
"Are you sure you want to continue?",
signerName, repoName, repoName,
))
if !removeSigner {
isLastSigner, err := isLastSignerForReleases(role, allRoles)
if err != nil {
return false, err
}
ok, err := maybePromptForSignerRemoval(ctx, dockerCLI, repoName, signerName, isLastSigner, forceYes)
if err != nil || !ok {
fmt.Fprintf(dockerCLI.Out(), "\nAborting action.\n")
return false, nil
}
} else if err != nil {
return false, err
}
if err = notaryRepo.RemoveDelegationKeys(releasesRoleTUFName, role.KeyIDs); err != nil {
return false, err
}
if err = notaryRepo.RemoveDelegationRole(signerDelegation); err != nil {
return false, err
}
if err = notaryRepo.Publish(); err != nil {
if err := notaryRepo.RemoveDelegationKeys(releasesRoleTUFName, role.KeyIDs); err != nil {
return false, err
}
if err := notaryRepo.RemoveDelegationRole(signerDelegation); err != nil {
return false, err
}
if err := notaryRepo.Publish(); err != nil {
return false, err
}

9
cli/command/trust/signer_remove_test.go
View File

@ -111,7 +111,8 @@ func TestIsLastSignerForReleases(t *testing.T) {
releaserole.Name = releasesRoleTUFName
releaserole.Threshold = 1
allrole := []client.RoleWithSignatures{releaserole}
lastsigner, _ := isLastSignerForReleases(role, allrole)
lastsigner, err := isLastSignerForReleases(role, allrole)
assert.Error(t, err, "all signed tags are currently revoked, use docker trust sign to fix")
assert.Check(t, is.Equal(false, lastsigner))
role.KeyIDs = []string{"deadbeef"}
@ -120,13 +121,15 @@ func TestIsLastSignerForReleases(t *testing.T) {
releaserole.Signatures = []data.Signature{sig}
releaserole.Threshold = 1
allrole = []client.RoleWithSignatures{releaserole}
lastsigner, _ = isLastSignerForReleases(role, allrole)
lastsigner, err = isLastSignerForReleases(role, allrole)
assert.NilError(t, err)
assert.Check(t, is.Equal(true, lastsigner))
sig.KeyID = "8badf00d"
releaserole.Signatures = []data.Signature{sig}
releaserole.Threshold = 1
allrole = []client.RoleWithSignatures{releaserole}
lastsigner, _ = isLastSignerForReleases(role, allrole)
lastsigner, err = isLastSignerForReleases(role, allrole)
assert.NilError(t, err)
assert.Check(t, is.Equal(false, lastsigner))
}

2
cli/command/trust/testdata/trust-revoke-prompt-termination.golden vendored Normal file
View File

@ -0,0 +1,2 @@
Please confirm you would like to delete all signature data for example/trust-demo? [y/N]
Aborting action.

52
cli/command/utils.go
View File

@ -5,12 +5,15 @@ package command
import (
"bufio"
"context"
"fmt"
"io"
"os"
"os/signal"
"path/filepath"
"runtime"
"strings"
"syscall"
"github.com/docker/cli/cli/streams"
"github.com/docker/docker/api/types/filters"
@ -72,12 +75,21 @@ func PrettyPrint(i any) string {
}
}
// PromptForConfirmation requests and checks confirmation from user.
// This will display the provided message followed by ' [y/N] '. If
// the user input 'y' or 'Y' it returns true other false. If no
// message is provided "Are you sure you want to proceed? [y/N] "
// will be used instead.
func PromptForConfirmation(ins io.Reader, outs io.Writer, message string) bool {
type PromptError error
var ErrPromptTerminated = PromptError(errors.New("prompt terminated"))
// PromptForConfirmation requests and checks confirmation from the user.
// This will display the provided message followed by ' [y/N] '. If the user
// input 'y' or 'Y' it returns true otherwise false. If no message is provided,
// "Are you sure you want to proceed? [y/N] " will be used instead.
//
// If the user terminates the CLI with SIGINT or SIGTERM while the prompt is
// active, the prompt will return false with an ErrPromptTerminated error.
// When the prompt returns an error, the caller should propagate the error up
// the stack and close the io.Reader used for the prompt which will prevent the
// background goroutine from blocking indefinitely.
func PromptForConfirmation(ctx context.Context, ins io.Reader, outs io.Writer, message string) (bool, error) {
if message == "" {
message = "Are you sure you want to proceed?"
}
@ -90,9 +102,31 @@ func PromptForConfirmation(ins io.Reader, outs io.Writer, message string) bool {
ins = streams.NewIn(os.Stdin)
}
reader := bufio.NewReader(ins)
answer, _, _ := reader.ReadLine()
return strings.ToLower(string(answer)) == "y"
result := make(chan bool)
// Catch the termination signal and exit the prompt gracefully.
// The caller is responsible for properly handling the termination.
notifyCtx, notifyCancel := signal.NotifyContext(ctx, syscall.SIGINT, syscall.SIGTERM)
defer notifyCancel()
go func() {
var res bool
scanner := bufio.NewScanner(ins)
if scanner.Scan() {
answer := strings.TrimSpace(scanner.Text())
if strings.EqualFold(answer, "y") {
res = true
}
}
result <- res
}()
select {
case <-notifyCtx.Done():
return false, ErrPromptTerminated
case r := <-result:
return r, nil
}
}
// PruneFilters returns consolidated prune filters obtained from config.json and cli

200
cli/command/utils_test.go
View File

@ -1,36 +1,46 @@
package command
package command_test
import (
"bufio"
"bytes"
"context"
"fmt"
"io"
"os"
"path/filepath"
"strings"
"syscall"
"testing"
"time"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/internal/test"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
)
func TestStringSliceReplaceAt(t *testing.T) {
out, ok := StringSliceReplaceAt([]string{"abc", "foo", "bar", "bax"}, []string{"foo", "bar"}, []string{"baz"}, -1)
out, ok := command.StringSliceReplaceAt([]string{"abc", "foo", "bar", "bax"}, []string{"foo", "bar"}, []string{"baz"}, -1)
assert.Assert(t, ok)
assert.DeepEqual(t, []string{"abc", "baz", "bax"}, out)
out, ok = StringSliceReplaceAt([]string{"foo"}, []string{"foo", "bar"}, []string{"baz"}, -1)
out, ok = command.StringSliceReplaceAt([]string{"foo"}, []string{"foo", "bar"}, []string{"baz"}, -1)
assert.Assert(t, !ok)
assert.DeepEqual(t, []string{"foo"}, out)
out, ok = StringSliceReplaceAt([]string{"abc", "foo", "bar", "bax"}, []string{"foo", "bar"}, []string{"baz"}, 0)
out, ok = command.StringSliceReplaceAt([]string{"abc", "foo", "bar", "bax"}, []string{"foo", "bar"}, []string{"baz"}, 0)
assert.Assert(t, !ok)
assert.DeepEqual(t, []string{"abc", "foo", "bar", "bax"}, out)
out, ok = StringSliceReplaceAt([]string{"foo", "bar", "bax"}, []string{"foo", "bar"}, []string{"baz"}, 0)
out, ok = command.StringSliceReplaceAt([]string{"foo", "bar", "bax"}, []string{"foo", "bar"}, []string{"baz"}, 0)
assert.Assert(t, ok)
assert.DeepEqual(t, []string{"baz", "bax"}, out)
out, ok = StringSliceReplaceAt([]string{"abc", "foo", "bar", "baz"}, []string{"foo", "bar"}, nil, -1)
out, ok = command.StringSliceReplaceAt([]string{"abc", "foo", "bar", "baz"}, []string{"foo", "bar"}, nil, -1)
assert.Assert(t, ok)
assert.DeepEqual(t, []string{"abc", "baz"}, out)
out, ok = StringSliceReplaceAt([]string{"foo"}, nil, []string{"baz"}, -1)
out, ok = command.StringSliceReplaceAt([]string{"foo"}, nil, []string{"baz"}, -1)
assert.Assert(t, !ok)
assert.DeepEqual(t, []string{"foo"}, out)
}
@ -59,7 +69,7 @@ func TestValidateOutputPath(t *testing.T) {
for _, testcase := range testcases {
t.Run(testcase.path, func(t *testing.T) {
err := ValidateOutputPath(testcase.path)
err := command.ValidateOutputPath(testcase.path)
if testcase.err == nil {
assert.NilError(t, err)
} else {
@ -68,3 +78,177 @@ func TestValidateOutputPath(t *testing.T) {
})
}
}
func TestPromptForConfirmation(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
type promptResult struct {
result bool
err error
}
buf := new(bytes.Buffer)
bufioWriter := bufio.NewWriter(buf)
var (
promptWriter *io.PipeWriter
promptReader *io.PipeReader
)
defer func() {
if promptWriter != nil {
promptWriter.Close()
}
if promptReader != nil {
promptReader.Close()
}
}()
for _, tc := range []struct {
desc string
f func(*testing.T, context.Context, chan promptResult)
}{
{"SIGINT", func(t *testing.T, ctx context.Context, c chan promptResult) {
t.Helper()
syscall.Kill(syscall.Getpid(), syscall.SIGINT)
select {
case <-ctx.Done():
t.Fatal("PromptForConfirmation did not return after SIGINT")
case r := <-c:
assert.Check(t, !r.result)
assert.ErrorContains(t, r.err, "prompt terminated")
}
}},
{"no", func(t *testing.T, ctx context.Context, c chan promptResult) {
t.Helper()
_, err := fmt.Fprint(promptWriter, "n\n")
assert.NilError(t, err)
select {
case <-ctx.Done():
t.Fatal("PromptForConfirmation did not return after user input `n`")
case r := <-c:
assert.Check(t, !r.result)
assert.NilError(t, r.err)
}
}},
{"yes", func(t *testing.T, ctx context.Context, c chan promptResult) {
t.Helper()
_, err := fmt.Fprint(promptWriter, "y\n")
assert.NilError(t, err)
select {
case <-ctx.Done():
t.Fatal("PromptForConfirmation did not return after user input `y`")
case r := <-c:
assert.Check(t, r.result)
assert.NilError(t, r.err)
}
}},
{"any", func(t *testing.T, ctx context.Context, c chan promptResult) {
t.Helper()
_, err := fmt.Fprint(promptWriter, "a\n")
assert.NilError(t, err)
select {
case <-ctx.Done():
t.Fatal("PromptForConfirmation did not return after user input `a`")
case r := <-c:
assert.Check(t, !r.result)
assert.NilError(t, r.err)
}
}},
{"with space", func(t *testing.T, ctx context.Context, c chan promptResult) {
t.Helper()
_, err := fmt.Fprint(promptWriter, " y\n")
assert.NilError(t, err)
select {
case <-ctx.Done():
t.Fatal("PromptForConfirmation did not return after user input ` y`")
case r := <-c:
assert.Check(t, r.result)
assert.NilError(t, r.err)
}
}},
{"reader closed", func(t *testing.T, ctx context.Context, c chan promptResult) {
t.Helper()
assert.NilError(t, promptReader.Close())
select {
case <-ctx.Done():
t.Fatal("PromptForConfirmation did not return after promptReader was closed")
case r := <-c:
assert.Check(t, !r.result)
assert.NilError(t, r.err)
}
}},
} {
t.Run("case="+tc.desc, func(t *testing.T) {
buf.Reset()
promptReader, promptWriter = io.Pipe()
wroteHook := make(chan struct{}, 1)
defer close(wroteHook)
promptOut := test.NewWriterWithHook(bufioWriter, func(p []byte) {
wroteHook <- struct{}{}
})
result := make(chan promptResult, 1)
defer close(result)
go func() {
r, err := command.PromptForConfirmation(ctx, promptReader, promptOut, "")
result <- promptResult{r, err}
}()
// wait for the Prompt to write to the buffer
pollForPromptOutput(ctx, t, wroteHook)
drainChannel(ctx, wroteHook)
assert.NilError(t, bufioWriter.Flush())
assert.Equal(t, strings.TrimSpace(buf.String()), "Are you sure you want to proceed? [y/N]")
resultCtx, resultCancel := context.WithTimeout(ctx, 100*time.Millisecond)
defer resultCancel()
tc.f(t, resultCtx, result)
})
}
}
func drainChannel(ctx context.Context, ch <-chan struct{}) {
go func() {
for {
select {
case <-ctx.Done():
return
case <-ch:
}
}
}()
}
func pollForPromptOutput(ctx context.Context, t *testing.T, wroteHook <-chan struct{}) {
t.Helper()
ctx, cancel := context.WithTimeout(ctx, 100*time.Millisecond)
defer cancel()
for {
select {
case <-ctx.Done():
t.Fatal("Prompt output was not written to before ctx was cancelled")
return
case <-wroteHook:
return
}
}
}

4
cli/command/volume/prune.go
View File

@ -80,9 +80,11 @@ func runPrune(ctx context.Context, dockerCli command.Cli, options pruneOptions)
// API < v1.42 removes all volumes (anonymous and named) by default.
warning = allVolumesWarning
}
if !options.force && !command.PromptForConfirmation(dockerCli.In(), dockerCli.Out(), warning) {
if !options.force {
if r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), warning); !r || err != nil {
return 0, "", errdefs.Cancelled(errors.New("user cancelled operation"))
}
}
report, err := dockerCli.Client().VolumesPrune(ctx, pruneFilters)
if err != nil {

17
cli/command/volume/prune_test.go
View File

@ -1,6 +1,7 @@
package volume
import (
"context"
"fmt"
"io"
"runtime"
@ -183,3 +184,19 @@ func simplePruneFunc(filters.Args) (types.VolumesPruneReport, error) {
SpaceReclaimed: 2000,
}, nil
}
func TestVolumePrunePromptTerminate(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
cli := test.NewFakeCli(&fakeClient{
volumePruneFunc: func(filter filters.Args) (types.VolumesPruneReport, error) {
return types.VolumesPruneReport{}, errors.New("fakeClient volumePruneFunc should not be called")
},
})
cmd := NewPruneCommand(cli)
test.TerminatePrompt(ctx, t, cmd, cli, nil)
golden.Assert(t, cli.OutBuffer().String(), "volume-prune-terminate.golden")
}

2
cli/command/volume/testdata/volume-prune-terminate.golden vendored Normal file
View File

@ -0,0 +1,2 @@
WARNING! This will remove anonymous local volumes not used by at least one container.
Are you sure you want to continue? [y/N]

83
internal/test/cmd.go Normal file
View File

@ -0,0 +1,83 @@
package test
import (
"context"
"os"
"syscall"
"testing"
"time"
"github.com/docker/cli/cli/streams"
"github.com/spf13/cobra"
"gotest.tools/v3/assert"
)
func TerminatePrompt(ctx context.Context, t *testing.T, cmd *cobra.Command, cli *FakeCli, assertFunc func(*testing.T, error)) {
t.Helper()
errChan := make(chan error)
defer close(errChan)
// wrap the out stream to detect when the prompt is ready
writerHookChan := make(chan struct{})
defer close(writerHookChan)
outStream := streams.NewOut(NewWriterWithHook(cli.OutBuffer(), func(p []byte) {
writerHookChan <- struct{}{}
}))
cli.SetOut(outStream)
r, _, err := os.Pipe()
assert.NilError(t, err)
cli.SetIn(streams.NewIn(r))
go func() {
errChan <- cmd.ExecuteContext(ctx)
}()
writeCtx, writeCancel := context.WithTimeout(ctx, 100*time.Millisecond)
defer writeCancel()
// wait for the prompt to be ready
select {
case <-writeCtx.Done():
t.Fatalf("command %s did not write prompt to stdout", cmd.Name())
case <-writerHookChan:
// drain the channel for future buffer writes
go func() {
for {
select {
case <-ctx.Done():
return
case <-writerHookChan:
}
}
}()
}
assert.Check(t, cli.OutBuffer().Len() > 0)
// a small delay to ensure the plugin is prompting
time.Sleep(100 * time.Microsecond)
errCtx, errCancel := context.WithTimeout(ctx, 100*time.Millisecond)
defer errCancel()
// sigint and sigterm are caught by the prompt
// this allows us to gracefully exit the prompt with a 0 exit code
syscall.Kill(syscall.Getpid(), syscall.SIGINT)
select {
case <-errCtx.Done():
t.Logf("command stdout:\n%s\n", cli.OutBuffer().String())
t.Logf("command stderr:\n%s\n", cli.ErrBuffer().String())
t.Fatalf("command %s did not return after SIGINT", cmd.Name())
case err := <-errChan:
if assertFunc != nil {
assertFunc(t, err)
} else {
assert.NilError(t, err)
assert.Equal(t, cli.ErrBuffer().String(), "")
}
}
}

30
internal/test/writer.go Normal file
View File

@ -0,0 +1,30 @@
package test
import (
"io"
)
// WriterWithHook is an io.Writer that calls a hook function
// after every write.
// This is useful in testing to wait for a write to complete,
// or to check what was written.
// To create a WriterWithHook use the NewWriterWithHook function.
type WriterWithHook struct {
actualWriter io.Writer
hook func([]byte)
}
// Write writes p to the actual writer and then calls the hook function.
func (w *WriterWithHook) Write(p []byte) (n int, err error) {
defer w.hook(p)
return w.actualWriter.Write(p)
}
var _ io.Writer = (*WriterWithHook)(nil)
// NewWriterWithHook returns a new WriterWithHook that still writes to the actualWriter
// but also calls the hook function after every write.
// The hook function is useful for testing, or waiting for a write to complete.
func NewWriterWithHook(actualWriter io.Writer, hook func([]byte)) *WriterWithHook {
return &WriterWithHook{actualWriter: actualWriter, hook: hook}
}