Files
docker-cli/components/cli/command/swarm/join.go
T
Vincent Demeester 99b5324db7 Add some unit tests to the node and swarm cli code
Start work on adding unit tests to our cli code in order to have to
write less costly integration test.

Signed-off-by: Vincent Demeester <vincent@sbr.pm>
Upstream-commit: ee8f9e084a
Component: cli
2017-01-09 18:30:15 +01:00

70 lines
1.7 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/spf13/cobra"
"golang.org/x/net/context"
)
type joinOptions struct {
remote string
listenAddr NodeAddrOption
// Not a NodeAddrOption because it has no default port.
advertiseAddr string
token string
}
func newJoinCommand(dockerCli command.Cli) *cobra.Command {
opts := joinOptions{
listenAddr: NewListenAddrOption(),
}
cmd := &cobra.Command{
Use: "join [OPTIONS] HOST:PORT",
Short: "Join a swarm as a node and/or manager",
Args: cli.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
opts.remote = args[0]
return runJoin(dockerCli, opts)
},
}
flags := cmd.Flags()
flags.Var(&opts.listenAddr, flagListenAddr, "Listen address (format: <ip|interface>[:port])")
flags.StringVar(&opts.advertiseAddr, flagAdvertiseAddr, "", "Advertised address (format: <ip|interface>[:port])")
flags.StringVar(&opts.token, flagToken, "", "Token for entry into the swarm")
return cmd
}
func runJoin(dockerCli command.Cli, opts joinOptions) error {
client := dockerCli.Client()
ctx := context.Background()
req := swarm.JoinRequest{
JoinToken: opts.token,
ListenAddr: opts.listenAddr.String(),
AdvertiseAddr: opts.advertiseAddr,
RemoteAddrs: []string{opts.remote},
}
err := client.SwarmJoin(ctx, req)
if err != nil {
return err
}
info, err := client.Info(ctx)
if err != nil {
return err
}
if info.Swarm.ControlAvailable {
fmt.Fprintln(dockerCli.Out(), "This node joined a swarm as a manager.")
} else {
fmt.Fprintln(dockerCli.Out(), "This node joined a swarm as a worker.")
}
return nil
}