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feat: standardize error for prompt 

Signed-off-by: Alano Terblanche <18033717+Benehiko@users.noreply.github.com>
This commit is contained in:
Alano Terblanche 2024-03-12 12:38:47 +01:00
parent b8d5454963
commit 7c722c08d0
No known key found for this signature in database
GPG Key ID: 0E8FACD1BA98DE27
29 changed files with 425 additions and 165 deletions
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8
cli/command/builder/prune.go
View File

@ -2,6 +2,7 @@ package builder
import (
"context"
"errors"
"fmt"
"strings"
@ -10,6 +11,7 @@ import (
"github.com/docker/cli/cli/command/completion"
"github.com/docker/cli/opts"
"github.com/docker/docker/api/types"
"github.com/docker/docker/errdefs"
units "github.com/docker/go-units"
"github.com/spf13/cobra"
)
@ -67,9 +69,13 @@ func runPrune(ctx context.Context, dockerCli command.Cli, options pruneOptions)
warning = allCacheWarning
}
if !options.force {
if r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), warning); !r || err != nil {
r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), warning)
if err != nil {
return 0, "", err
}
if !r {
return 0, "", errdefs.Cancelled(errors.New("`builder prune` has been cancelled"))
}
}
report, err := dockerCli.Client().BuildCachePrune(ctx, types.BuildCachePruneOptions{

7
cli/command/builder/prune_test.go
View File

@ -5,10 +5,8 @@ import (
"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) {
@ -21,8 +19,5 @@ func TestBuilderPromptTermination(t *testing.T) {
},
})
cmd := NewPruneCommand(cli)
test.TerminatePrompt(ctx, t, cmd, cli, func(t *testing.T, err error) {
t.Helper()
assert.ErrorIs(t, err, command.ErrPromptTerminated)
})
test.TerminatePrompt(ctx, t, cmd, cli)
}

8
cli/command/container/prune.go
View File

@ -8,7 +8,9 @@ import (
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/completion"
"github.com/docker/cli/opts"
"github.com/docker/docker/errdefs"
units "github.com/docker/go-units"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
@ -54,9 +56,13 @@ func runPrune(ctx context.Context, dockerCli command.Cli, options pruneOptions)
pruneFilters := command.PruneFilters(dockerCli, options.filter.Value())
if !options.force {
if r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), warning); !r || err != nil {
r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), warning)
if err != nil {
return 0, "", err
}
if !r {
return 0, "", errdefs.Cancelled(errors.New("`container prune` has been cancelled"))
}
}
report, err := dockerCli.Client().ContainersPrune(ctx, pruneFilters)

7
cli/command/container/prune_test.go
View File

@ -4,12 +4,10 @@ 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) {
@ -22,8 +20,5 @@ func TestContainerPrunePromptTermination(t *testing.T) {
},
})
cmd := NewPruneCommand(cli)
test.TerminatePrompt(ctx, t, cmd, cli, func(t *testing.T, err error) {
t.Helper()
assert.ErrorIs(t, err, command.ErrPromptTerminated)
})
test.TerminatePrompt(ctx, t, cmd, cli)
}

8
cli/command/image/prune.go
View File

@ -10,7 +10,9 @@ import (
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/completion"
"github.com/docker/cli/opts"
"github.com/docker/docker/errdefs"
units "github.com/docker/go-units"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
@ -68,9 +70,13 @@ func runPrune(ctx context.Context, dockerCli command.Cli, options pruneOptions)
warning = allImageWarning
}
if !options.force {
if r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), warning); !r || err != nil {
r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), warning)
if err != nil {
return 0, "", err
}
if !r {
return 0, "", errdefs.Cancelled(errors.New("`image prune` has been cancelled"))
}
}
report, err := dockerCli.Client().ImagesPrune(ctx, pruneFilters)

27
cli/command/image/prune_test.go
View File

@ -4,9 +4,10 @@ import (
"context"
"fmt"
"io"
"strings"
"testing"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/streams"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
@ -94,13 +95,18 @@ func TestNewPruneCommandSuccess(t *testing.T) {
},
}
for _, tc := range testCases {
cli := test.NewFakeCli(&fakeClient{imagesPruneFunc: tc.imagesPruneFunc})
cmd := NewPruneCommand(cli)
cmd.SetOut(io.Discard)
cmd.SetArgs(tc.args)
err := cmd.Execute()
assert.NilError(t, err)
golden.Assert(t, cli.OutBuffer().String(), fmt.Sprintf("prune-command-success.%s.golden", tc.name))
t.Run(tc.name, func(t *testing.T) {
cli := test.NewFakeCli(&fakeClient{imagesPruneFunc: tc.imagesPruneFunc})
// when prompted, answer "Y" to confirm the prune.
// will not be prompted if --force is used.
cli.SetIn(streams.NewIn(io.NopCloser(strings.NewReader("Y\n"))))
cmd := NewPruneCommand(cli)
cmd.SetOut(io.Discard)
cmd.SetArgs(tc.args)
err := cmd.Execute()
assert.NilError(t, err)
golden.Assert(t, cli.OutBuffer().String(), fmt.Sprintf("prune-command-success.%s.golden", tc.name))
})
}
}
@ -114,8 +120,5 @@ func TestPrunePromptTermination(t *testing.T) {
},
})
cmd := NewPruneCommand(cli)
test.TerminatePrompt(ctx, t, cmd, cli, func(t *testing.T, err error) {
t.Helper()
assert.ErrorIs(t, err, command.ErrPromptTerminated)
})
test.TerminatePrompt(ctx, t, cmd, cli)
}

8
cli/command/network/prune.go
View File

@ -7,6 +7,8 @@ import (
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/opts"
"github.com/docker/docker/errdefs"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
@ -50,9 +52,13 @@ func runPrune(ctx context.Context, dockerCli command.Cli, options pruneOptions)
pruneFilters := command.PruneFilters(dockerCli, options.filter.Value())
if !options.force {
if r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), warning); !r || err != nil {
r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), warning)
if err != nil {
return "", err
}
if !r {
return "", errdefs.Cancelled(errors.New("`network prune` cancelled has been cancelled"))
}
}
report, err := dockerCli.Client().NetworksPrune(ctx, pruneFilters)

7
cli/command/network/prune_test.go
View File

@ -4,12 +4,10 @@ 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) {
@ -22,8 +20,5 @@ func TestNetworkPrunePromptTermination(t *testing.T) {
},
})
cmd := NewPruneCommand(cli)
test.TerminatePrompt(ctx, t, cmd, cli, func(t *testing.T, err error) {
t.Helper()
assert.ErrorIs(t, err, command.ErrPromptTerminated)
})
test.TerminatePrompt(ctx, t, cmd, cli)
}

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

@ -5,7 +5,6 @@ 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"
@ -115,8 +114,5 @@ func TestNetworkRemovePromptTermination(t *testing.T) {
})
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)
})
test.TerminatePrompt(ctx, t, cmd, cli)
}

12
cli/command/plugin/upgrade.go
View File

@ -8,6 +8,7 @@ import (
"github.com/distribution/reference"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/docker/errdefs"
"github.com/docker/docker/pkg/jsonmessage"
"github.com/pkg/errors"
"github.com/spf13/cobra"
@ -63,11 +64,12 @@ 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 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")
r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), "Plugin images do not match, are you sure?")
if err != nil {
return err
}
if !r {
return errdefs.Cancelled(errors.New("`plugin upgrade` has been cancelled"))
}
}

7
cli/command/plugin/upgrade_test.go
View File

@ -5,11 +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/pkg/errors"
"gotest.tools/v3/assert"
"gotest.tools/v3/golden"
)
@ -34,9 +32,6 @@ func TestUpgradePromptTermination(t *testing.T) {
// 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)
})
test.TerminatePrompt(ctx, t, cmd, cli)
golden.Assert(t, cli.OutBuffer().String(), "plugin-upgrade-terminate.golden")
}

8
cli/command/system/prune.go
View File

@ -17,8 +17,10 @@ import (
"github.com/docker/cli/cli/command/volume"
"github.com/docker/cli/opts"
"github.com/docker/docker/api/types/versions"
"github.com/docker/docker/errdefs"
"github.com/docker/go-units"
"github.com/fvbommel/sortorder"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
@ -75,9 +77,13 @@ func runPrune(ctx context.Context, dockerCli command.Cli, options pruneOptions)
return fmt.Errorf(`ERROR: The "until" filter is not supported with "--volumes"`)
}
if !options.force {
if r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), confirmationMessage(dockerCli, options)); !r || err != nil {
r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), confirmationMessage(dockerCli, options))
if err != nil {
return err
}
if !r {
return errdefs.Cancelled(errors.New("`system prune` has been cancelled"))
}
}
pruneFuncs := []func(ctx context.Context, dockerCli command.Cli, all bool, filter opts.FilterOpt) (uint64, string, error){
container.RunPrune,

10
cli/command/system/prune_test.go
View File

@ -4,7 +4,6 @@ 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"
@ -18,7 +17,7 @@ func TestPrunePromptPre131DoesNotIncludeBuildCache(t *testing.T) {
cli := test.NewFakeCli(&fakeClient{version: "1.30"})
cmd := newPruneCommand(cli)
cmd.SetArgs([]string{})
assert.NilError(t, cmd.Execute())
assert.ErrorContains(t, cmd.Execute(), "`system prune` has been cancelled")
expected := `WARNING! This will remove:
- all stopped containers
- all networks not used by at least one container
@ -36,7 +35,7 @@ func TestPrunePromptFilters(t *testing.T) {
cmd := newPruneCommand(cli)
cmd.SetArgs([]string{"--filter", "until=24h", "--filter", "label=hello-world", "--filter", "label!=foo=bar", "--filter", "label=bar=baz"})
assert.NilError(t, cmd.Execute())
assert.ErrorContains(t, cmd.Execute(), "`system prune` has been cancelled")
expected := `WARNING! This will remove:
- all stopped containers
- all networks not used by at least one container
@ -69,8 +68,5 @@ func TestSystemPrunePromptTermination(t *testing.T) {
})
cmd := newPruneCommand(cli)
test.TerminatePrompt(ctx, t, cmd, cli, func(t *testing.T, err error) {
t.Helper()
assert.ErrorIs(t, err, command.ErrPromptTerminated)
})
test.TerminatePrompt(ctx, t, cmd, cli)
}

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

@ -8,6 +8,7 @@ import (
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/image"
"github.com/docker/cli/cli/trust"
"github.com/docker/docker/errdefs"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"github.com/theupdateframework/notary/client"
@ -45,12 +46,10 @@ func revokeTrust(ctx context.Context, dockerCLI command.Cli, remote string, opti
if imgRefAndAuth.Tag() == "" && !options.forceYes {
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")
return err
}
if !deleteRemote {
fmt.Fprintf(dockerCLI.Out(), "\nAborting action.\n")
return nil
return errdefs.Cancelled(errors.New("`trust revoke` has been cancelled"))
}
}

25
cli/command/trust/revoke_test.go
View File

@ -5,7 +5,6 @@ import (
"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"
@ -58,6 +57,8 @@ func TestTrustRevokeCommandErrors(t *testing.T) {
}
func TestTrustRevokeCommand(t *testing.T) {
revokeCancelledError := "`trust revoke` has been cancelled"
testCases := []struct {
doc string
notaryRepository func(trust.ImageRefAndAuth, []string) (client.Repository, error)
@ -69,7 +70,8 @@ func TestTrustRevokeCommand(t *testing.T) {
doc: "OfflineErrors_Confirm",
notaryRepository: notary.GetOfflineNotaryRepository,
args: []string{"reg-name.io/image"},
expectedMessage: "Please confirm you would like to delete all signature data for reg-name.io/image? [y/N] \nAborting action.",
expectedMessage: "Please confirm you would like to delete all signature data for reg-name.io/image? [y/N] ",
expectedErr: revokeCancelledError,
},
{
doc: "OfflineErrors_Offline",
@ -87,7 +89,8 @@ func TestTrustRevokeCommand(t *testing.T) {
doc: "UninitializedErrors_Confirm",
notaryRepository: notary.GetUninitializedNotaryRepository,
args: []string{"reg-name.io/image"},
expectedMessage: "Please confirm you would like to delete all signature data for reg-name.io/image? [y/N] \nAborting action.",
expectedMessage: "Please confirm you would like to delete all signature data for reg-name.io/image? [y/N] ",
expectedErr: revokeCancelledError,
},
{
doc: "UninitializedErrors_NoTrustData",
@ -105,7 +108,8 @@ func TestTrustRevokeCommand(t *testing.T) {
doc: "EmptyNotaryRepo_Confirm",
notaryRepository: notary.GetEmptyTargetsNotaryRepository,
args: []string{"reg-name.io/image"},
expectedMessage: "Please confirm you would like to delete all signature data for reg-name.io/image? [y/N] \nAborting action.",
expectedMessage: "Please confirm you would like to delete all signature data for reg-name.io/image? [y/N] ",
expectedErr: revokeCancelledError,
},
{
doc: "EmptyNotaryRepo_NoSignedTags",
@ -123,7 +127,8 @@ func TestTrustRevokeCommand(t *testing.T) {
doc: "AllSigConfirmation",
notaryRepository: notary.GetEmptyTargetsNotaryRepository,
args: []string{"alpine"},
expectedMessage: "Please confirm you would like to delete all signature data for alpine? [y/N] \nAborting action.",
expectedMessage: "Please confirm you would like to delete all signature data for alpine? [y/N] ",
expectedErr: revokeCancelledError,
},
}
@ -136,9 +141,9 @@ func TestTrustRevokeCommand(t *testing.T) {
cmd.SetOut(io.Discard)
if tc.expectedErr != "" {
assert.ErrorContains(t, cmd.Execute(), tc.expectedErr)
return
} else {
assert.NilError(t, cmd.Execute())
}
assert.NilError(t, cmd.Execute())
assert.Check(t, is.Contains(cli.OutBuffer().String(), tc.expectedMessage))
})
}
@ -159,10 +164,6 @@ func TestRevokeTrustPromptTermination(t *testing.T) {
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(), "")
test.TerminatePrompt(ctx, t, cmd, cli)
golden.Assert(t, cli.OutBuffer().String(), "trust-revoke-prompt-termination.golden")
}

6
cli/command/trust/signer_remove.go
View File

@ -132,10 +132,12 @@ func removeSingleSigner(ctx context.Context, dockerCLI command.Cli, repoName, si
}
ok, err := maybePromptForSignerRemoval(ctx, dockerCLI, repoName, signerName, isLastSigner, forceYes)
if err != nil || !ok {
fmt.Fprintf(dockerCLI.Out(), "\nAborting action.\n")
if err != nil {
return false, err
}
if !ok {
return false, nil
}
if err := notaryRepo.RemoveDelegationKeys(releasesRoleTUFName, role.KeyIDs); err != nil {
return false, err

1
cli/command/trust/testdata/trust-revoke-prompt-termination.golden vendored
View File

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

7
cli/command/utils.go
View File

@ -19,6 +19,7 @@ import (
"github.com/docker/docker/api/types/filters"
mounttypes "github.com/docker/docker/api/types/mount"
"github.com/docker/docker/api/types/versions"
"github.com/docker/docker/errdefs"
"github.com/moby/sys/sequential"
"github.com/pkg/errors"
"github.com/spf13/pflag"
@ -75,9 +76,7 @@ func PrettyPrint(i any) string {
}
}
type PromptError error
var ErrPromptTerminated = PromptError(errors.New("prompt terminated"))
var ErrPromptTerminated = errdefs.Cancelled(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
@ -123,6 +122,8 @@ func PromptForConfirmation(ctx context.Context, ins io.Reader, outs io.Writer, m
select {
case <-notifyCtx.Done():
// print a newline on termination
fmt.Fprintln(outs, "")
return false, ErrPromptTerminated
case r := <-result:
return r, nil

12
cli/command/volume/prune.go
View File

@ -32,10 +32,6 @@ func NewPruneCommand(dockerCli command.Cli) *cobra.Command {
RunE: func(cmd *cobra.Command, args []string) error {
spaceReclaimed, output, err := runPrune(cmd.Context(), dockerCli, options)
if err != nil {
if errdefs.IsCancelled(err) {
fmt.Fprintln(dockerCli.Out(), output)
return nil
}
return err
}
if output != "" {
@ -81,8 +77,12 @@ func runPrune(ctx context.Context, dockerCli command.Cli, options pruneOptions)
warning = allVolumesWarning
}
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"))
r, err := command.PromptForConfirmation(ctx, dockerCli.In(), dockerCli.Out(), warning)
if err != nil {
return 0, "", err
}
if !r {
return 0, "", errdefs.Cancelled(errors.New("`volume prune` has been cancelled"))
}
}

8
cli/command/volume/prune_test.go
View File

@ -155,6 +155,7 @@ func TestVolumePrunePromptYes(t *testing.T) {
cli.SetIn(streams.NewIn(io.NopCloser(strings.NewReader(input))))
cmd := NewPruneCommand(cli)
cmd.SetArgs([]string{})
assert.NilError(t, cmd.Execute())
golden.Assert(t, cli.OutBuffer().String(), "volume-prune-yes.golden")
}
@ -171,7 +172,8 @@ func TestVolumePrunePromptNo(t *testing.T) {
cli.SetIn(streams.NewIn(io.NopCloser(strings.NewReader(input))))
cmd := NewPruneCommand(cli)
assert.NilError(t, cmd.Execute())
cmd.SetArgs([]string{})
assert.ErrorContains(t, cmd.Execute(), "`volume prune` has been cancelled")
golden.Assert(t, cli.OutBuffer().String(), "volume-prune-no.golden")
}
}
@ -196,7 +198,7 @@ func TestVolumePrunePromptTerminate(t *testing.T) {
})
cmd := NewPruneCommand(cli)
test.TerminatePrompt(ctx, t, cmd, cli, nil)
cmd.SetArgs([]string{})
test.TerminatePrompt(ctx, t, cmd, cli)
golden.Assert(t, cli.OutBuffer().String(), "volume-prune-terminate.golden")
}

4
cmd/docker/docker.go
View File

@ -17,6 +17,7 @@ import (
"github.com/docker/cli/cli/version"
platformsignals "github.com/docker/cli/cmd/docker/internal/signals"
"github.com/docker/docker/api/types/versions"
"github.com/docker/docker/errdefs"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
@ -43,6 +44,9 @@ func main() {
}
os.Exit(sterr.StatusCode)
}
if errdefs.IsCancelled(err) {
os.Exit(0)
}
fmt.Fprintln(dockerCli.Err(), err)
os.Exit(1)
}

193
e2e/global/cli_test.go
View File

@ -1,14 +1,25 @@
package global
import (
"bufio"
"bytes"
"context"
"io"
"net/http"
"net/http/httptest"
"strings"
"syscall"
"testing"
"time"
"github.com/docker/cli/e2e/internal/fixtures"
"github.com/docker/cli/e2e/testutils"
"github.com/docker/cli/internal/test"
"github.com/docker/cli/internal/test/environment"
"github.com/docker/docker/api/types/versions"
"gotest.tools/v3/assert"
"gotest.tools/v3/icmd"
"gotest.tools/v3/poll"
"gotest.tools/v3/skip"
)
@ -65,3 +76,185 @@ func TestTCPSchemeUsesHTTPProxyEnv(t *testing.T) {
assert.Equal(t, strings.TrimSpace(result.Stdout()), "99.99.9")
assert.Equal(t, received, "docker.acme.example.com:2376")
}
// Test that the prompt command exits with 0
// when the user sends SIGINT/SIGTERM to the process
func TestPromptExitCode(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
dir := fixtures.SetupConfigFile(t)
t.Cleanup(dir.Remove)
defaultCmdOpts := []icmd.CmdOp{
fixtures.WithConfig(dir.Path()),
fixtures.WithNotary,
}
testCases := []struct {
name string
run func(t *testing.T) icmd.Cmd
}{
{
name: "volume prune",
run: func(t *testing.T) icmd.Cmd {
t.Helper()
return icmd.Command("docker", "volume", "prune")
},
},
{
name: "network prune",
run: func(t *testing.T) icmd.Cmd {
t.Helper()
return icmd.Command("docker", "network", "prune")
},
},
{
name: "container prune",
run: func(t *testing.T) icmd.Cmd {
t.Helper()
return icmd.Command("docker", "container", "prune")
},
},
{
name: "image prune",
run: func(t *testing.T) icmd.Cmd {
t.Helper()
return icmd.Command("docker", "image", "prune")
},
},
{
name: "system prune",
run: func(t *testing.T) icmd.Cmd {
t.Helper()
return icmd.Command("docker", "system", "prune")
},
},
{
name: "revoke trust",
run: func(t *testing.T) icmd.Cmd {
t.Helper()
return icmd.Command("docker", "trust", "revoke", "example/trust-demo")
},
},
{
name: "plugin install",
run: func(t *testing.T) icmd.Cmd {
t.Helper()
skip.If(t, versions.LessThan(environment.DaemonAPIVersion(t), "1.44"))
pluginDir := testutils.SetupPlugin(t, ctx)
t.Cleanup(pluginDir.Remove)
plugin := "registry:5000/plugin-content-trust-install:latest"
icmd.RunCommand("docker", "plugin", "create", plugin, pluginDir.Path()).Assert(t, icmd.Success)
icmd.RunCmd(icmd.Command("docker", "plugin", "push", plugin), defaultCmdOpts...).Assert(t, icmd.Success)
icmd.RunCmd(icmd.Command("docker", "plugin", "rm", "-f", plugin), defaultCmdOpts...).Assert(t, icmd.Success)
return icmd.Command("docker", "plugin", "install", plugin)
},
},
{
name: "plugin upgrade",
run: func(t *testing.T) icmd.Cmd {
t.Helper()
skip.If(t, versions.LessThan(environment.DaemonAPIVersion(t), "1.44"))
pluginLatestDir := testutils.SetupPlugin(t, ctx)
t.Cleanup(pluginLatestDir.Remove)
pluginNextDir := testutils.SetupPlugin(t, ctx)
t.Cleanup(pluginNextDir.Remove)
plugin := "registry:5000/plugin-content-trust-upgrade"
icmd.RunCommand("docker", "plugin", "create", plugin+":latest", pluginLatestDir.Path()).Assert(t, icmd.Success)
icmd.RunCommand("docker", "plugin", "create", plugin+":next", pluginNextDir.Path()).Assert(t, icmd.Success)
icmd.RunCmd(icmd.Command("docker", "plugin", "push", plugin+":latest"), defaultCmdOpts...).Assert(t, icmd.Success)
icmd.RunCmd(icmd.Command("docker", "plugin", "push", plugin+":next"), defaultCmdOpts...).Assert(t, icmd.Success)
icmd.RunCmd(icmd.Command("docker", "plugin", "rm", "-f", plugin+":latest"), defaultCmdOpts...).Assert(t, icmd.Success)
icmd.RunCmd(icmd.Command("docker", "plugin", "rm", "-f", plugin+":next"), defaultCmdOpts...).Assert(t, icmd.Success)
icmd.RunCmd(icmd.Command("docker", "plugin", "install", "--disable", "--grant-all-permissions", plugin+":latest"), defaultCmdOpts...).Assert(t, icmd.Success)
return icmd.Command("docker", "plugin", "upgrade", plugin+":latest", plugin+":next")
},
},
}
for _, tc := range testCases {
tc := tc
t.Run("case="+tc.name, func(t *testing.T) {
t.Parallel()
buf := new(bytes.Buffer)
bufioWriter := bufio.NewWriter(buf)
writeDone := make(chan struct{})
w := test.NewWriterWithHook(bufioWriter, func(p []byte) {
writeDone <- struct{}{}
})
drainChCtx, drainChCtxCancel := context.WithCancel(ctx)
t.Cleanup(drainChCtxCancel)
drainChannel(drainChCtx, writeDone)
r, _ := io.Pipe()
defer r.Close()
result := icmd.StartCmd(tc.run(t),
append(defaultCmdOpts,
icmd.WithStdout(w),
icmd.WithStderr(w),
icmd.WithStdin(r))...)
poll.WaitOn(t, func(t poll.LogT) poll.Result {
select {
case <-ctx.Done():
return poll.Error(ctx.Err())
default:
if err := bufioWriter.Flush(); err != nil {
return poll.Continue(err.Error())
}
if strings.Contains(buf.String(), "[y/N]") {
return poll.Success()
}
return poll.Continue("command did not prompt for confirmation, instead prompted:\n%s\n", buf.String())
}
}, poll.WithDelay(100*time.Millisecond), poll.WithTimeout(1*time.Second))
drainChCtxCancel()
assert.NilError(t, result.Cmd.Process.Signal(syscall.SIGINT))
proc, err := result.Cmd.Process.Wait()
assert.NilError(t, err)
assert.Equal(t, proc.ExitCode(), 0, "expected exit code to be 0, got %d", proc.ExitCode())
processCtx, processCtxCancel := context.WithTimeout(ctx, time.Second)
t.Cleanup(processCtxCancel)
select {
case <-processCtx.Done():
t.Fatal("timed out waiting for new line after process exit")
case <-writeDone:
buf.Reset()
assert.NilError(t, bufioWriter.Flush())
assert.Equal(t, buf.String(), "\n", "expected a new line after the process exits from SIGINT")
}
})
}
}
func drainChannel(ctx context.Context, ch <-chan struct{}) {
go func() {
for {
select {
case <-ctx.Done():
return
case <-ch:
}
}
}()
}

60
e2e/plugin/trust_test.go
View File

@ -1,20 +1,14 @@
package plugin
import (
"encoding/json"
"context"
"fmt"
"os"
"os/exec"
"path/filepath"
"testing"
"github.com/docker/cli/e2e/internal/fixtures"
"github.com/docker/cli/e2e/testutils"
"github.com/docker/cli/internal/test/environment"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/versions"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
"gotest.tools/v3/fs"
"gotest.tools/v3/icmd"
"gotest.tools/v3/skip"
)
@ -31,8 +25,11 @@ func TestInstallWithContentTrust(t *testing.T) {
dir := fixtures.SetupConfigFile(t)
defer dir.Remove()
pluginDir := preparePluginDir(t)
defer pluginDir.Remove()
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
pluginDir := testutils.SetupPlugin(t, ctx)
t.Cleanup(pluginDir.Remove)
icmd.RunCommand("docker", "plugin", "create", pluginName, pluginDir.Path()).Assert(t, icmd.Success)
result := icmd.RunCmd(icmd.Command("docker", "plugin", "push", pluginName),
@ -73,46 +70,3 @@ func TestInstallWithContentTrustUntrusted(t *testing.T) {
Err: "Error: remote trust data does not exist",
})
}
func preparePluginDir(t *testing.T) *fs.Dir {
t.Helper()
p := &types.PluginConfig{
Interface: types.PluginConfigInterface{
Socket: "basic.sock",
Types: []types.PluginInterfaceType{{Capability: "docker.dummy/1.0"}},
},
Entrypoint: []string{"/basic"},
}
configJSON, err := json.Marshal(p)
assert.NilError(t, err)
binPath, err := ensureBasicPluginBin()
assert.NilError(t, err)
dir := fs.NewDir(t, "plugin_test",
fs.WithFile("config.json", string(configJSON), fs.WithMode(0o644)),
fs.WithDir("rootfs", fs.WithMode(0o755)),
)
icmd.RunCommand("/bin/cp", binPath, dir.Join("rootfs", p.Entrypoint[0])).Assert(t, icmd.Success)
return dir
}
func ensureBasicPluginBin() (string, error) {
name := "docker-basic-plugin"
p, err := exec.LookPath(name)
if err == nil {
return p, nil
}
goBin, err := exec.LookPath("/usr/local/go/bin/go")
if err != nil {
return "", err
}
installPath := filepath.Join(os.Getenv("GOPATH"), "bin", name)
cmd := exec.Command(goBin, "build", "-o", installPath, "./basic")
cmd.Env = append(os.Environ(), "CGO_ENABLED=0")
if out, err := cmd.CombinedOutput(); err != nil {
return "", errors.Wrapf(err, "error building basic plugin bin: %s", string(out))
}
return installPath, nil
}

102
e2e/testutils/plugins.go Normal file
View File

@ -0,0 +1,102 @@
package testutils
import (
"context"
"crypto/rand"
"embed"
"encoding/base64"
"encoding/json"
"fmt"
"os"
"os/exec"
"path/filepath"
"testing"
"github.com/docker/docker/api/types"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
"gotest.tools/v3/fs"
"gotest.tools/v3/icmd"
)
//go:embed plugins/*
var plugins embed.FS
// SetupPlugin builds a plugin and creates a temporary
// directory with the plugin's config.json and rootfs.
func SetupPlugin(t *testing.T, ctx context.Context) *fs.Dir {
t.Helper()
p := &types.PluginConfig{
Linux: types.PluginConfigLinux{
Capabilities: []string{"CAP_SYS_ADMIN"},
},
Interface: types.PluginConfigInterface{
Socket: "basic.sock",
Types: []types.PluginInterfaceType{{Capability: "docker.dummy/1.0"}},
},
Entrypoint: []string{"/basic"},
}
configJSON, err := json.Marshal(p)
assert.NilError(t, err)
binPath, err := buildPlugin(t, ctx)
assert.NilError(t, err)
dir := fs.NewDir(t, "plugin_test",
fs.WithFile("config.json", string(configJSON), fs.WithMode(0o644)),
fs.WithDir("rootfs", fs.WithMode(0o755)),
)
icmd.RunCommand("/bin/cp", binPath, dir.Join("rootfs", p.Entrypoint[0])).Assert(t, icmd.Success)
return dir
}
// buildPlugin uses Go to build a plugin from one of the source files in the plugins directory.
// It returns the path to the built plugin binary.
// To allow for multiple plugins to be built in parallel, the plugin is compiled with a unique
// identifier in the binary. This is done by setting a linker flag with the -ldflags option.
func buildPlugin(t *testing.T, ctx context.Context) (string, error) {
t.Helper()
randomName, err := randomString()
if err != nil {
return "", err
}
goBin, err := exec.LookPath("/usr/local/go/bin/go")
if err != nil {
return "", err
}
installPath := filepath.Join(os.Getenv("GOPATH"), "bin", randomName)
pluginContent, err := plugins.ReadFile("plugins/basic.go")
if err != nil {
return "", err
}
dir := fs.NewDir(t, "plugin_build")
if err := os.WriteFile(dir.Join("main.go"), pluginContent, 0o644); err != nil {
return "", err
}
defer dir.Remove()
cmd := exec.CommandContext(ctx, goBin, "build", "-ldflags",
fmt.Sprintf("-X 'main.UNIQUEME=%s'", randomName),
"-o", installPath, dir.Join("main.go"))
cmd.Env = append(os.Environ(), "CGO_ENABLED=0")
if out, err := cmd.CombinedOutput(); err != nil {
return "", errors.Wrapf(err, "error building basic plugin bin: %s", string(out))
}
return installPath, nil
}
func randomString() (string, error) {
b := make([]byte, 8)
if _, err := rand.Read(b); err != nil {
return "", err
}
return base64.StdEncoding.EncodeToString(b), nil
}

5
e2e/plugin/basic/basic.go → e2e/testutils/plugins/basic.go
View File

@ -9,6 +9,11 @@ import (
"time"
)
// set by the compile flags to get around content sha being the same
var (
UNIQUEME string
)
func main() {
p, err := filepath.Abs(filepath.Join("run", "docker", "plugins"))
if err != nil {

10
internal/test/cmd.go
View File

@ -7,12 +7,13 @@ import (
"testing"
"time"
"github.com/docker/cli/cli/command"
"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)) {
func TerminatePrompt(ctx context.Context, t *testing.T, cmd *cobra.Command, cli *FakeCli) {
t.Helper()
errChan := make(chan error)
@ -73,11 +74,6 @@ func TerminatePrompt(ctx context.Context, t *testing.T, cmd *cobra.Command, cli
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(), "")
}
assert.ErrorIs(t, err, command.ErrPromptTerminated)
}
}

23
internal/test/writer.go
View File

@ -4,27 +4,22 @@ 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 {
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) {
func (w *writerWithHook) Write(p []byte) (n int, err error) {
defer w.hook(p)
return w.actualWriter.Write(p)
}
var _ io.Writer = (*WriterWithHook)(nil)
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}
// NewWriterWithHook returns a io.Writer that still
// writes to the actualWriter but also calls the hook function
// after every write. It is useful to use this function when
// you need to wait for a writer to complete writing inside a test.
func NewWriterWithHook(actualWriter io.Writer, hook func([]byte)) *writerWithHook {
return &writerWithHook{actualWriter: actualWriter, hook: hook}
}