Files
docker-cli/cli/command/swarm/unlock_key.go
Sebastiaan van Stijn 139968dff2 cli/command/completion: deprecate NoComplete
This function was an exact duplicate of [cobra.NoFileCompletions], so
deprecating it in favor of that.

[cobra.NoFileCompletions]: https://pkg.go.dev/github.com/spf13/cobra@v1.9.1#NoFileCompletions

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 2827d037ba)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2025-08-30 12:24:11 +02:00

94 lines
2.3 KiB
Go

package swarm
import (
"context"
"fmt"
"io"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/docker/api/types/swarm"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
type unlockKeyOptions struct {
rotate bool
quiet bool
}
func newUnlockKeyCommand(dockerCli command.Cli) *cobra.Command {
opts := unlockKeyOptions{}
cmd := &cobra.Command{
Use: "unlock-key [OPTIONS]",
Short: "Manage the unlock key",
Args: cli.NoArgs,
RunE: func(cmd *cobra.Command, args []string) error {
return runUnlockKey(cmd.Context(), dockerCli, opts)
},
Annotations: map[string]string{
"version": "1.24",
"swarm": "manager",
},
ValidArgsFunction: cobra.NoFileCompletions,
}
flags := cmd.Flags()
flags.BoolVar(&opts.rotate, flagRotate, false, "Rotate unlock key")
flags.BoolVarP(&opts.quiet, flagQuiet, "q", false, "Only display token")
return cmd
}
func runUnlockKey(ctx context.Context, dockerCLI command.Cli, opts unlockKeyOptions) error {
apiClient := dockerCLI.Client()
if opts.rotate {
flags := swarm.UpdateFlags{RotateManagerUnlockKey: true}
sw, err := apiClient.SwarmInspect(ctx)
if err != nil {
return err
}
if !sw.Spec.EncryptionConfig.AutoLockManagers {
return errors.New("cannot rotate because autolock is not turned on")
}
if err := apiClient.SwarmUpdate(ctx, sw.Version, sw.Spec, flags); err != nil {
return err
}
if !opts.quiet {
_, _ = fmt.Fprintln(dockerCLI.Out(), "Successfully rotated manager unlock key.")
}
}
unlockKeyResp, err := apiClient.SwarmGetUnlockKey(ctx)
if err != nil {
return errors.Wrap(err, "could not fetch unlock key")
}
if unlockKeyResp.UnlockKey == "" {
return errors.New("no unlock key is set")
}
if opts.quiet {
_, _ = fmt.Fprintln(dockerCLI.Out(), unlockKeyResp.UnlockKey)
return nil
}
printUnlockCommand(dockerCLI.Out(), unlockKeyResp.UnlockKey)
return nil
}
func printUnlockCommand(out io.Writer, unlockKey string) {
if len(unlockKey) > 0 {
_, _ = fmt.Fprintf(out, "To unlock a swarm manager after it restarts, "+
"run the `docker swarm unlock`\ncommand and provide the following key:\n\n %s\n\n"+
"Remember to store this key in a password manager, since without it you\n"+
"will not be able to restart the manager.\n", unlockKey)
}
}