moby--moby/api/client/swarm/init.go

62 lines
1.6 KiB
Go

package swarm
import (
"fmt"
"golang.org/x/net/context"
"github.com/docker/docker/api/client"
"github.com/docker/docker/cli"
"github.com/docker/engine-api/types/swarm"
"github.com/spf13/cobra"
)
type initOptions struct {
listenAddr NodeAddrOption
autoAccept AutoAcceptOption
forceNewCluster bool
secret string
}
func newInitCommand(dockerCli *client.DockerCli) *cobra.Command {
opts := initOptions{
listenAddr: NewNodeAddrOption(),
autoAccept: NewAutoAcceptOption(),
}
cmd := &cobra.Command{
Use: "init",
Short: "Initialize a Swarm.",
Args: cli.NoArgs,
RunE: func(cmd *cobra.Command, args []string) error {
return runInit(dockerCli, opts)
},
}
flags := cmd.Flags()
flags.Var(&opts.listenAddr, "listen-addr", "Listen address")
flags.Var(&opts.autoAccept, "auto-accept", "Auto acceptance policy (worker, manager, or none)")
flags.StringVar(&opts.secret, "secret", "", "Set secret value needed to accept nodes into cluster")
flags.BoolVar(&opts.forceNewCluster, "force-new-cluster", false, "Force create a new cluster from current state.")
return cmd
}
func runInit(dockerCli *client.DockerCli, opts initOptions) error {
client := dockerCli.Client()
ctx := context.Background()
req := swarm.InitRequest{
ListenAddr: opts.listenAddr.String(),
ForceNewCluster: opts.forceNewCluster,
}
req.Spec.AcceptancePolicy.Policies = opts.autoAccept.Policies(opts.secret)
nodeID, err := client.SwarmInit(ctx, req)
if err != nil {
return err
}
fmt.Printf("Swarm initialized: current node (%s) is now a manager.\n", nodeID)
return nil
}