mirror of https://github.com/docker/cli.git
120 lines
2.8 KiB
Go
120 lines
2.8 KiB
Go
package swarm
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/docker/docker/api/types/swarm"
|
|
"github.com/docker/docker/cli"
|
|
"github.com/docker/docker/cli/command"
|
|
"github.com/pkg/errors"
|
|
"github.com/spf13/cobra"
|
|
"golang.org/x/net/context"
|
|
)
|
|
|
|
type joinTokenOptions struct {
|
|
role string
|
|
rotate bool
|
|
quiet bool
|
|
}
|
|
|
|
func newJoinTokenCommand(dockerCli command.Cli) *cobra.Command {
|
|
opts := joinTokenOptions{}
|
|
|
|
cmd := &cobra.Command{
|
|
Use: "join-token [OPTIONS] (worker|manager)",
|
|
Short: "Manage join tokens",
|
|
Args: cli.ExactArgs(1),
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
opts.role = args[0]
|
|
return runJoinToken(dockerCli, opts)
|
|
},
|
|
}
|
|
|
|
flags := cmd.Flags()
|
|
flags.BoolVar(&opts.rotate, flagRotate, false, "Rotate join token")
|
|
flags.BoolVarP(&opts.quiet, flagQuiet, "q", false, "Only display token")
|
|
|
|
return cmd
|
|
}
|
|
|
|
func runJoinToken(dockerCli command.Cli, opts joinTokenOptions) error {
|
|
worker := opts.role == "worker"
|
|
manager := opts.role == "manager"
|
|
|
|
if !worker && !manager {
|
|
return errors.New("unknown role " + opts.role)
|
|
}
|
|
|
|
client := dockerCli.Client()
|
|
ctx := context.Background()
|
|
|
|
if opts.rotate {
|
|
flags := swarm.UpdateFlags{
|
|
RotateWorkerToken: worker,
|
|
RotateManagerToken: manager,
|
|
}
|
|
|
|
sw, err := client.SwarmInspect(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := client.SwarmUpdate(ctx, sw.Version, sw.Spec, flags); err != nil {
|
|
return err
|
|
}
|
|
|
|
if !opts.quiet {
|
|
fmt.Fprintf(dockerCli.Out(), "Successfully rotated %s join token.\n\n", opts.role)
|
|
}
|
|
}
|
|
|
|
// second SwarmInspect in this function,
|
|
// this is necessary since SwarmUpdate after first changes the join tokens
|
|
sw, err := client.SwarmInspect(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if opts.quiet && worker {
|
|
fmt.Fprintln(dockerCli.Out(), sw.JoinTokens.Worker)
|
|
return nil
|
|
}
|
|
|
|
if opts.quiet && manager {
|
|
fmt.Fprintln(dockerCli.Out(), sw.JoinTokens.Manager)
|
|
return nil
|
|
}
|
|
|
|
info, err := client.Info(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return printJoinCommand(ctx, dockerCli, info.Swarm.NodeID, worker, manager)
|
|
}
|
|
|
|
func printJoinCommand(ctx context.Context, dockerCli command.Cli, nodeID string, worker bool, manager bool) error {
|
|
client := dockerCli.Client()
|
|
|
|
node, _, err := client.NodeInspectWithRaw(ctx, nodeID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
sw, err := client.SwarmInspect(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if node.ManagerStatus != nil {
|
|
if worker {
|
|
fmt.Fprintf(dockerCli.Out(), "To add a worker to this swarm, run the following command:\n\n docker swarm join \\\n --token %s \\\n %s\n\n", sw.JoinTokens.Worker, node.ManagerStatus.Addr)
|
|
}
|
|
if manager {
|
|
fmt.Fprintf(dockerCli.Out(), "To add a manager to this swarm, run the following command:\n\n docker swarm join \\\n --token %s \\\n %s\n\n", sw.JoinTokens.Manager, node.ManagerStatus.Addr)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|