2025-05-19 22:47:14 +02:00

70 lines
2.0 KiB
Go

package service
import (
"context"
"fmt"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/completion"
"github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/api/types/versions"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
)
func newRollbackCommand(dockerCli command.Cli) *cobra.Command {
options := newServiceOptions()
cmd := &cobra.Command{
Use: "rollback [OPTIONS] SERVICE",
Short: "Revert changes to a service's configuration",
Args: cli.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
return runRollback(cmd.Context(), dockerCli, options, args[0])
},
Annotations: map[string]string{"version": "1.31"},
ValidArgsFunction: completeServiceNames(dockerCli),
}
flags := cmd.Flags()
flags.BoolVarP(&options.quiet, flagQuiet, "q", false, "Suppress progress output")
addDetachFlag(flags, &options.detach)
flags.VisitAll(func(flag *pflag.Flag) {
// Set a default completion function if none was set. We don't look
// up if it does already have one set, because Cobra does this for
// us, and returns an error (which we ignore for this reason).
_ = cmd.RegisterFlagCompletionFunc(flag.Name, completion.NoComplete)
})
return cmd
}
func runRollback(ctx context.Context, dockerCLI command.Cli, options *serviceOptions, serviceID string) error {
apiClient := dockerCLI.Client()
service, _, err := apiClient.ServiceInspectWithRaw(ctx, serviceID, swarm.ServiceInspectOptions{})
if err != nil {
return err
}
response, err := apiClient.ServiceUpdate(ctx, service.ID, service.Version, service.Spec, swarm.ServiceUpdateOptions{
Rollback: "previous", // TODO(thaJeztah): this should have a const defined
})
if err != nil {
return err
}
for _, warning := range response.Warnings {
_, _ = fmt.Fprintln(dockerCLI.Err(), warning)
}
_, _ = fmt.Fprintln(dockerCLI.Out(), serviceID)
if options.detach || versions.LessThan(apiClient.ClientVersion(), "1.29") {
return nil
}
return WaitOnService(ctx, dockerCLI, serviceID, options.quiet)
}