Add 'docker service rollback' subcommand
Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com> Implement runRollback to not use runUpdate Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com> Add version tag and add flag quiet to suppress progress output Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com> Removed flags from warnDetachDefault Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com> Used command.Cli interface Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com> Add detach flag on rollback command Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com> Create a fakeClient for service commands Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com> Added unit test for rollback command Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com> Used command.Cli interface instead of *command.DockerCli in service commands Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com> Revert "Removed flags from warnDetachDefault" This reverts commit 3e4f601c8a82cc2599a755dc693409bbc47917fc. Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com> Fixed test.NewFakeCli instanciation Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com> Removed unused receiver Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com> Replaced cli by dockerCli Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com> Revert "Removed unused receiver" This reverts commit 604ef7c13df3d019949ca81d992db501114dafce. Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com> Fixed last typo Signed-off-by: Jimmy Leger <jimmy.leger@gmail.com>master
Jimmy Leger
parent
35c60bbd9b
commit
11d471d660
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@ -5,17 +5,18 @@ import (
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"github.com/docker/docker/api/types/swarm"
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"github.com/docker/docker/client"
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"golang.org/x/net/context"
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// Import builders to get the builder function as package function
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. "github.com/docker/cli/cli/internal/test/builders"
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)
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type fakeClient struct {
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client.Client
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serviceListFunc func(context.Context, types.ServiceListOptions) ([]swarm.Service, error)
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serviceInspectWithRawFunc func(ctx context.Context, serviceID string, options types.ServiceInspectOptions) (swarm.Service, []byte, error)
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serviceUpdateFunc func(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error)
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serviceListFunc func(context.Context, types.ServiceListOptions) ([]swarm.Service, error)
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}
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func (f *fakeClient) ServiceList(ctx context.Context, options types.ServiceListOptions) ([]swarm.Service, error) {
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if f.serviceListFunc != nil {
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return f.serviceListFunc(ctx, options)
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}
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func (f *fakeClient) NodeList(ctx context.Context, options types.NodeListOptions) ([]swarm.Node, error) {
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return nil, nil
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}
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@ -23,10 +24,30 @@ func (f *fakeClient) TaskList(ctx context.Context, options types.TaskListOptions
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return nil, nil
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}
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func (f *fakeClient) NodeList(ctx context.Context, options types.NodeListOptions) ([]swarm.Node, error) {
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func (f *fakeClient) ServiceInspectWithRaw(ctx context.Context, serviceID string, options types.ServiceInspectOptions) (swarm.Service, []byte, error) {
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if f.serviceInspectWithRawFunc != nil {
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return f.serviceInspectWithRawFunc(ctx, serviceID, options)
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}
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return *Service(ServiceID(serviceID)), []byte{}, nil
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}
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func (f *fakeClient) ServiceList(ctx context.Context, options types.ServiceListOptions) ([]swarm.Service, error) {
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if f.serviceListFunc != nil {
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return f.serviceListFunc(ctx, options)
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}
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return nil, nil
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}
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func (f *fakeClient) ServiceUpdate(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error) {
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if f.serviceUpdateFunc != nil {
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return f.serviceUpdateFunc(ctx, serviceID, version, service, options)
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}
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return types.ServiceUpdateResponse{}, nil
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}
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func newService(id string, name string) swarm.Service {
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return swarm.Service{
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ID: id,
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@ -26,6 +26,7 @@ func NewServiceCommand(dockerCli *command.DockerCli) *cobra.Command {
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newScaleCommand(dockerCli),
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newUpdateCommand(dockerCli),
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newLogsCommand(dockerCli),
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newRollbackCommand(dockerCli),
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)
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return cmd
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}
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@ -12,7 +12,7 @@ import (
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"golang.org/x/net/context"
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)
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func newCreateCommand(dockerCli *command.DockerCli) *cobra.Command {
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func newCreateCommand(dockerCli command.Cli) *cobra.Command {
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opts := newServiceOptions()
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cmd := &cobra.Command{
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@ -62,7 +62,7 @@ func newCreateCommand(dockerCli *command.DockerCli) *cobra.Command {
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return cmd
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}
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func runCreate(dockerCli *command.DockerCli, flags *pflag.FlagSet, opts *serviceOptions) error {
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func runCreate(dockerCli command.Cli, flags *pflag.FlagSet, opts *serviceOptions) error {
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apiClient := dockerCli.Client()
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createOpts := types.ServiceCreateOptions{}
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@ -15,7 +15,7 @@ import (
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// waitOnService waits for the service to converge. It outputs a progress bar,
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// if appropriate based on the CLI flags.
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func waitOnService(ctx context.Context, dockerCli *command.DockerCli, serviceID string, quiet bool) error {
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func waitOnService(ctx context.Context, dockerCli command.Cli, serviceID string, quiet bool) error {
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errChan := make(chan error, 1)
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pipeReader, pipeWriter := io.Pipe()
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@ -20,7 +20,7 @@ type inspectOptions struct {
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pretty bool
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}
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func newInspectCommand(dockerCli *command.DockerCli) *cobra.Command {
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func newInspectCommand(dockerCli command.Cli) *cobra.Command {
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var opts inspectOptions
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cmd := &cobra.Command{
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@ -43,7 +43,7 @@ func newInspectCommand(dockerCli *command.DockerCli) *cobra.Command {
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return cmd
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}
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func runInspect(dockerCli *command.DockerCli, opts inspectOptions) error {
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func runInspect(dockerCli command.Cli, opts inspectOptions) error {
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client := dockerCli.Client()
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ctx := context.Background()
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@ -11,7 +11,7 @@ import (
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"golang.org/x/net/context"
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)
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func newRemoveCommand(dockerCli *command.DockerCli) *cobra.Command {
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func newRemoveCommand(dockerCli command.Cli) *cobra.Command {
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cmd := &cobra.Command{
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Use: "rm SERVICE [SERVICE...]",
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@ -27,7 +27,7 @@ func newRemoveCommand(dockerCli *command.DockerCli) *cobra.Command {
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return cmd
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}
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func runRemove(dockerCli *command.DockerCli, sids []string) error {
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func runRemove(dockerCli command.Cli, sids []string) error {
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client := dockerCli.Client()
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ctx := context.Background()
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@ -0,0 +1,65 @@
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package service
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import (
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"context"
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"fmt"
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"github.com/docker/cli/cli"
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"github.com/docker/cli/cli/command"
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"github.com/docker/docker/api/types"
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"github.com/spf13/cobra"
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"github.com/spf13/pflag"
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)
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func newRollbackCommand(dockerCli command.Cli) *cobra.Command {
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options := newServiceOptions()
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cmd := &cobra.Command{
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Use: "rollback [OPTIONS] SERVICE",
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Short: "Revert changes to a service's configuration",
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Args: cli.ExactArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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return runRollback(dockerCli, cmd.Flags(), options, args[0])
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},
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Tags: map[string]string{"version": "1.31"},
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}
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flags := cmd.Flags()
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flags.BoolVarP(&options.quiet, flagQuiet, "q", false, "Suppress progress output")
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addDetachFlag(flags, &options.detach)
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return cmd
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}
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func runRollback(dockerCli command.Cli, flags *pflag.FlagSet, options *serviceOptions, serviceID string) error {
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apiClient := dockerCli.Client()
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ctx := context.Background()
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service, _, err := apiClient.ServiceInspectWithRaw(ctx, serviceID, types.ServiceInspectOptions{})
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if err != nil {
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return err
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}
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spec := &service.Spec
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updateOpts := types.ServiceUpdateOptions{
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Rollback: "previous",
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}
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response, err := apiClient.ServiceUpdate(ctx, service.ID, service.Version, *spec, updateOpts)
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if err != nil {
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return err
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}
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for _, warning := range response.Warnings {
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fmt.Fprintln(dockerCli.Err(), warning)
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}
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fmt.Fprintf(dockerCli.Out(), "%s\n", serviceID)
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if options.detach {
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warnDetachDefault(dockerCli.Err(), apiClient.ClientVersion(), flags, "rolled back")
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return nil
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}
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return waitOnService(ctx, dockerCli, serviceID, options.quiet)
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}
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@ -0,0 +1,104 @@
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package service
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import (
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"fmt"
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"io/ioutil"
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"strings"
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"testing"
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"github.com/docker/cli/cli/internal/test"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/swarm"
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"github.com/docker/docker/pkg/testutil"
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"github.com/stretchr/testify/assert"
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"golang.org/x/net/context"
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)
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func TestRollback(t *testing.T) {
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testCases := []struct {
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name string
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args []string
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serviceUpdateFunc func(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error)
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expectedDockerCliErr string
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}{
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{
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name: "rollback-service",
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args: []string{"service-id"},
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},
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{
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name: "rollback-service-with-warnings",
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args: []string{"service-id"},
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serviceUpdateFunc: func(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error) {
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response := types.ServiceUpdateResponse{}
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response.Warnings = []string{
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"- warning 1",
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"- warning 2",
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}
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return response, nil
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},
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expectedDockerCliErr: "- warning 1\n- warning 2",
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},
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}
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for _, tc := range testCases {
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cli := test.NewFakeCli(&fakeClient{
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serviceUpdateFunc: tc.serviceUpdateFunc,
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})
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cmd := newRollbackCommand(cli)
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cmd.SetArgs(tc.args)
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cmd.Flags().Set("quiet", "true")
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cmd.SetOutput(ioutil.Discard)
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assert.NoError(t, cmd.Execute())
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assert.Equal(t, strings.TrimSpace(cli.ErrBuffer().String()), tc.expectedDockerCliErr)
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}
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}
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func TestRollbackWithErrors(t *testing.T) {
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testCases := []struct {
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name string
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args []string
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serviceInspectWithRawFunc func(ctx context.Context, serviceID string, options types.ServiceInspectOptions) (swarm.Service, []byte, error)
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serviceUpdateFunc func(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error)
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expectedError string
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}{
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{
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name: "not-enough-args",
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expectedError: "requires exactly 1 argument",
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},
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{
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name: "too-many-args",
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args: []string{"service-id-1", "service-id-2"},
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expectedError: "requires exactly 1 argument",
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},
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{
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name: "service-does-not-exists",
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args: []string{"service-id"},
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serviceInspectWithRawFunc: func(ctx context.Context, serviceID string, options types.ServiceInspectOptions) (swarm.Service, []byte, error) {
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return swarm.Service{}, []byte{}, fmt.Errorf("no such services: %s", serviceID)
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},
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expectedError: "no such services: service-id",
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},
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{
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name: "service-update-failed",
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args: []string{"service-id"},
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serviceUpdateFunc: func(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error) {
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return types.ServiceUpdateResponse{}, fmt.Errorf("no such services: %s", serviceID)
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},
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expectedError: "no such services: service-id",
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},
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}
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for _, tc := range testCases {
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cmd := newRollbackCommand(
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test.NewFakeCli(&fakeClient{
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serviceInspectWithRawFunc: tc.serviceInspectWithRawFunc,
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serviceUpdateFunc: tc.serviceUpdateFunc,
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}))
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cmd.SetArgs(tc.args)
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cmd.Flags().Set("quiet", "true")
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cmd.SetOutput(ioutil.Discard)
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testutil.ErrorContains(t, cmd.Execute(), tc.expectedError)
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}
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}
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@ -19,7 +19,7 @@ type scaleOptions struct {
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detach bool
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}
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func newScaleCommand(dockerCli *command.DockerCli) *cobra.Command {
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func newScaleCommand(dockerCli command.Cli) *cobra.Command {
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options := &scaleOptions{}
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cmd := &cobra.Command{
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@ -54,7 +54,7 @@ func scaleArgs(cmd *cobra.Command, args []string) error {
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return nil
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}
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func runScale(dockerCli *command.DockerCli, flags *pflag.FlagSet, options *scaleOptions, args []string) error {
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func runScale(dockerCli command.Cli, flags *pflag.FlagSet, options *scaleOptions, args []string) error {
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var errs []string
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var serviceIDs []string
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ctx := context.Background()
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@ -96,7 +96,7 @@ func runScale(dockerCli *command.DockerCli, flags *pflag.FlagSet, options *scale
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return errors.Errorf(strings.Join(errs, "\n"))
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}
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func runServiceScale(ctx context.Context, dockerCli *command.DockerCli, serviceID string, scale uint64) error {
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func runServiceScale(ctx context.Context, dockerCli command.Cli, serviceID string, scale uint64) error {
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client := dockerCli.Client()
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service, _, err := client.ServiceInspectWithRaw(ctx, serviceID, types.ServiceInspectOptions{})
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@ -22,7 +22,7 @@ import (
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"golang.org/x/net/context"
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)
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func newUpdateCommand(dockerCli *command.DockerCli) *cobra.Command {
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func newUpdateCommand(dockerCli command.Cli) *cobra.Command {
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options := newServiceOptions()
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cmd := &cobra.Command{
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@ -103,7 +103,7 @@ func newListOptsVar() *opts.ListOpts {
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}
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// nolint: gocyclo
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func runUpdate(dockerCli *command.DockerCli, flags *pflag.FlagSet, options *serviceOptions, serviceID string) error {
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func runUpdate(dockerCli command.Cli, flags *pflag.FlagSet, options *serviceOptions, serviceID string) error {
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apiClient := dockerCli.Client()
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ctx := context.Background()
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|
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@ -877,9 +877,10 @@ x3ti0erg11rjpg64m75kej2mz-hosttempl
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* [service inspect](service_inspect.md)
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* [service logs](service_logs.md)
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* [service ls](service_ls.md)
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* [service rm](service_rm.md)
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* [service scale](service_scale.md)
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* [service ps](service_ps.md)
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* [service rm](service_rm.md)
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* [service rollback](service_rollback.md)
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* [service scale](service_scale.md)
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* [service update](service_update.md)
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<style>table tr > td:first-child { white-space: nowrap;}</style>
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|
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@ -164,7 +164,8 @@ $ docker service inspect --format='{{.Spec.Mode.Replicated.Replicas}}' redis
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* [service create](service_create.md)
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* [service logs](service_logs.md)
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* [service ls](service_ls.md)
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* [service rm](service_rm.md)
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* [service scale](service_scale.md)
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* [service ps](service_ps.md)
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* [service rm](service_rm.md)
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* [service rollback](service_rollback.md)
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* [service scale](service_scale.md)
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* [service update](service_update.md)
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|
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@ -79,7 +79,8 @@ fraction of a second no more than nine digits long. You can combine the
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* [service create](service_create.md)
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* [service inspect](service_inspect.md)
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* [service ls](service_ls.md)
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* [service rm](service_rm.md)
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* [service scale](service_scale.md)
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* [service ps](service_ps.md)
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* [service rm](service_rm.md)
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* [service rollback](service_rollback.md)
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* [service scale](service_scale.md)
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* [service update](service_update.md)
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|
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@ -158,7 +158,8 @@ fm6uf97exkul: global 5/5
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* [service create](service_create.md)
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* [service inspect](service_inspect.md)
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* [service logs](service_logs.md)
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* [service rm](service_rm.md)
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* [service scale](service_scale.md)
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* [service ps](service_ps.md)
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* [service rm](service_rm.md)
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* [service rollback](service_rollback.md)
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* [service scale](service_scale.md)
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* [service update](service_update.md)
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|
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@ -190,5 +190,6 @@ top.3: busybox
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* [service logs](service_logs.md)
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* [service ls](service_ls.md)
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* [service rm](service_rm.md)
|
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* [service rollback](service_rollback.md)
|
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* [service scale](service_scale.md)
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* [service update](service_update.md)
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|
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@ -55,6 +55,7 @@ ID NAME MODE REPLICAS IMAGE
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* [service inspect](service_inspect.md)
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* [service logs](service_logs.md)
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||||
* [service ls](service_ls.md)
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||||
* [service scale](service_scale.md)
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||||
* [service ps](service_ps.md)
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* [service rollback](service_rollback.md)
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* [service scale](service_scale.md)
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* [service update](service_update.md)
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||||
|
|
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|||
|
|
@ -0,0 +1,94 @@
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---
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title: "service rollback"
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description: "The service rollback command description and usage"
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||||
keywords: "service, rollback"
|
||||
---
|
||||
|
||||
<!-- This file is maintained within the docker/cli Github
|
||||
repository at https://github.com/docker/cli/. Make all
|
||||
pull requests against that repo. If you see this file in
|
||||
another repository, consider it read-only there, as it will
|
||||
periodically be overwritten by the definitive file. Pull
|
||||
requests which include edits to this file in other repositories
|
||||
will be rejected.
|
||||
-->
|
||||
|
||||
# service rollback
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|
||||
```markdown
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||||
Usage: docker service rollback SERVICE
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Revert changes to a service's configuration
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|
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Options:
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-d, --detach Exit immediately instead of waiting for the service to converge (default true)
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--help Print usage
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-q, --quiet Suppress progress output
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||||
```
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||||
|
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## Description
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|
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Roll back a specified service to its previous version from the swarm. This command must be run
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||||
targeting a manager node.
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|
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## Examples
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|
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### Roll back to the previous version of a service
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|
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Use the `docker service rollback` command to roll back to the previous version
|
||||
of a service. After executing this command, the service is reverted to the
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configuration that was in place before the most recent `docker service update`
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command.
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|
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The following example creates a service with a single replica, updates the
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service to use three replicas, and then rolls back the service to the
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previous version, having one replica.
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Create a service with a single replica:
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|
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```bash
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$ docker service create --name my-service -p 8080:80 nginx:alpine
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```
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Confirm that the service is running with a single replica:
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```bash
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$ docker service ls
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ID NAME MODE REPLICAS IMAGE PORTS
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xbw728mf6q0d my-service replicated 1/1 nginx:alpine *:8080->80/tcp
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```
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Update the service to use three replicas:
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|
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```bash
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$ docker service update --replicas=3 my-service
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|
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$ docker service ls
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|
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ID NAME MODE REPLICAS IMAGE PORTS
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||||
xbw728mf6q0d my-service replicated 3/3 nginx:alpine *:8080->80/tcp
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```
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|
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Now roll back the service to its previous version, and confirm it is
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running a single replica again:
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|
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```bash
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$ docker service rollback my-service
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|
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$ docker service ls
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|
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ID NAME MODE REPLICAS IMAGE PORTS
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xbw728mf6q0d my-service replicated 1/1 nginx:alpine *:8080->80/tcp
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```
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||||
|
||||
## Related commands
|
||||
|
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* [service create](service_create.md)
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* [service inspect](service_inspect.md)
|
||||
* [service logs](service_logs.md)
|
||||
* [service ls](service_ls.md)
|
||||
* [service ps](service_ps.md)
|
||||
* [service rm](service_rm.md)
|
||||
* [service scale](service_scale.md)
|
||||
* [service update](service_update.md)
|
||||
|
|
@ -101,5 +101,6 @@ ID NAME MODE REPLICAS IMAGE
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* [service logs](service_logs.md)
|
||||
* [service ls](service_ls.md)
|
||||
* [service rm](service_rm.md)
|
||||
* [service rollback](service_rollback.md)
|
||||
* [service ps](service_ps.md)
|
||||
* [service update](service_update.md)
|
||||
|
|
|
|||
|
|
@ -174,9 +174,9 @@ $ docker service update --mount-rm /somewhere myservice
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|||
myservice
|
||||
```
|
||||
|
||||
### Rolling back to the previous version of a service
|
||||
### Roll back to the previous version of a service
|
||||
|
||||
Use the `--rollback` option to roll back to the previous version of the service.
|
||||
Use the `--rollback` option to roll back to the previous version of the service.
|
||||
|
||||
This will revert the service to the configuration that was in place before the most recent `docker service update` command.
|
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|
||||
|
|
@ -193,7 +193,7 @@ ID NAME MODE REPLICAS IMAGE
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|||
80bvrzp6vxf3 web replicated 0/5 nginx:alpine
|
||||
|
||||
```
|
||||
Roll back the `web` service...
|
||||
Roll back the `web` service...
|
||||
|
||||
```bash
|
||||
$ docker service update --rollback web
|
||||
|
|
@ -266,4 +266,5 @@ See [`service create`](./service_create.md#templating) for the reference.
|
|||
* [service ls](service_ls.md)
|
||||
* [service ps](service_ps.md)
|
||||
* [service rm](service_rm.md)
|
||||
* [service rollback](service_rollback.md)
|
||||
* [service scale](service_scale.md)
|
||||
|
|
|
|||
Loading…
Reference in New Issue