Files
docker-cli/components/engine/cli/command/swarm/unlock.go
Aaron Lehmann 0827ead1b6 Revise swarm init/update flags, add unlocking capability
- Neither swarm init or swarm update should take an unlock key
- Add an autolock flag to turn on autolock
- Make the necessary docker api changes
- Add SwarmGetUnlockKey API call and use it when turning on autolock
- Add swarm unlock-key subcommand

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
Upstream-commit: 0f9fc54df9274327ed22f4e07f0981a648e0278a
Component: engine
2016-11-09 16:09:00 -08:00

55 lines
1.1 KiB
Go

package swarm
import (
"bufio"
"context"
"fmt"
"io"
"strings"
"github.com/spf13/cobra"
"golang.org/x/crypto/ssh/terminal"
"github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/cli"
"github.com/docker/docker/cli/command"
)
func newUnlockCommand(dockerCli *command.DockerCli) *cobra.Command {
cmd := &cobra.Command{
Use: "unlock",
Short: "Unlock swarm",
Args: cli.ExactArgs(0),
RunE: func(cmd *cobra.Command, args []string) error {
client := dockerCli.Client()
ctx := context.Background()
key, err := readKey(dockerCli.In(), "Please enter unlock key: ")
if err != nil {
return err
}
req := swarm.UnlockRequest{
UnlockKey: key,
}
return client.SwarmUnlock(ctx, req)
},
}
return cmd
}
func readKey(in *command.InStream, prompt string) (string, error) {
if in.IsTerminal() {
fmt.Print(prompt)
dt, err := terminal.ReadPassword(int(in.FD()))
fmt.Println()
return string(dt), err
}
key, err := bufio.NewReader(in).ReadString('\n')
if err == io.EOF {
err = nil
}
return strings.TrimSpace(key), err
}