github.1git.de/docker/cli@v26.1.3+incompatible/cli/command/service/rollback.go (about)

     1  package service
     2  
     3  import (
     4  	"context"
     5  	"fmt"
     6  
     7  	"github.com/docker/cli/cli"
     8  	"github.com/docker/cli/cli/command"
     9  	"github.com/docker/docker/api/types"
    10  	"github.com/docker/docker/api/types/versions"
    11  	"github.com/spf13/cobra"
    12  )
    13  
    14  func newRollbackCommand(dockerCli command.Cli) *cobra.Command {
    15  	options := newServiceOptions()
    16  
    17  	cmd := &cobra.Command{
    18  		Use:   "rollback [OPTIONS] SERVICE",
    19  		Short: "Revert changes to a service's configuration",
    20  		Args:  cli.ExactArgs(1),
    21  		RunE: func(cmd *cobra.Command, args []string) error {
    22  			return runRollback(cmd.Context(), dockerCli, options, args[0])
    23  		},
    24  		Annotations: map[string]string{"version": "1.31"},
    25  		ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
    26  			return CompletionFn(dockerCli)(cmd, args, toComplete)
    27  		},
    28  	}
    29  
    30  	flags := cmd.Flags()
    31  	flags.BoolVarP(&options.quiet, flagQuiet, "q", false, "Suppress progress output")
    32  	addDetachFlag(flags, &options.detach)
    33  
    34  	return cmd
    35  }
    36  
    37  func runRollback(ctx context.Context, dockerCli command.Cli, options *serviceOptions, serviceID string) error {
    38  	apiClient := dockerCli.Client()
    39  
    40  	service, _, err := apiClient.ServiceInspectWithRaw(ctx, serviceID, types.ServiceInspectOptions{})
    41  	if err != nil {
    42  		return err
    43  	}
    44  
    45  	spec := &service.Spec
    46  	updateOpts := types.ServiceUpdateOptions{
    47  		Rollback: "previous",
    48  	}
    49  
    50  	response, err := apiClient.ServiceUpdate(ctx, service.ID, service.Version, *spec, updateOpts)
    51  	if err != nil {
    52  		return err
    53  	}
    54  
    55  	for _, warning := range response.Warnings {
    56  		fmt.Fprintln(dockerCli.Err(), warning)
    57  	}
    58  
    59  	fmt.Fprintf(dockerCli.Out(), "%s\n", serviceID)
    60  
    61  	if options.detach || versions.LessThan(apiClient.ClientVersion(), "1.29") {
    62  		return nil
    63  	}
    64  
    65  	return WaitOnService(ctx, dockerCli, serviceID, options.quiet)
    66  }