-
Notifications
You must be signed in to change notification settings - Fork 0
/
promote.go
40 lines (33 loc) · 948 Bytes
/
promote.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
package node
import (
"fmt"
"github.com/docker/docker/api/client"
"github.com/docker/docker/cli"
"github.com/docker/engine-api/types/swarm"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
)
func newPromoteCommand(dockerCli *client.DockerCli) *cobra.Command {
var flags *pflag.FlagSet
cmd := &cobra.Command{
Use: "promote NODE [NODE...]",
Short: "Promote a node to a manager in the swarm",
Args: cli.RequiresMinArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
return runPromote(dockerCli, flags, args)
},
}
flags = cmd.Flags()
return cmd
}
func runPromote(dockerCli *client.DockerCli, flags *pflag.FlagSet, args []string) error {
for _, id := range args {
if err := runUpdate(dockerCli, id, func(node *swarm.Node) {
node.Spec.Role = swarm.NodeRoleManager
}); err != nil {
return err
}
fmt.Fprintf(dockerCli.Out(), "Node %s promoted to a manager in the swarm.\n", id)
}
return nil
}