68 lines
1.6 KiB
Go
68 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"
|
|
"github.com/spf13/pflag"
|
|
)
|
|
|
|
const (
|
|
generatedSecretEntropyBytes = 16
|
|
generatedSecretBase = 36
|
|
// floor(log(2^128-1, 36)) + 1
|
|
maxGeneratedSecretLength = 25
|
|
)
|
|
|
|
type initOptions struct {
|
|
swarmOptions
|
|
listenAddr NodeAddrOption
|
|
forceNewCluster bool
|
|
}
|
|
|
|
func newInitCommand(dockerCli *client.DockerCli) *cobra.Command {
|
|
opts := initOptions{
|
|
listenAddr: NewListenAddrOption(),
|
|
}
|
|
|
|
cmd := &cobra.Command{
|
|
Use: "init [OPTIONS]",
|
|
Short: "Initialize a swarm",
|
|
Args: cli.NoArgs,
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
return runInit(dockerCli, cmd.Flags(), opts)
|
|
},
|
|
}
|
|
|
|
flags := cmd.Flags()
|
|
flags.Var(&opts.listenAddr, "listen-addr", "Listen address")
|
|
flags.BoolVar(&opts.forceNewCluster, "force-new-cluster", false, "Force create a new cluster from current state.")
|
|
addSwarmFlags(flags, &opts.swarmOptions)
|
|
return cmd
|
|
}
|
|
|
|
func runInit(dockerCli *client.DockerCli, flags *pflag.FlagSet, opts initOptions) error {
|
|
client := dockerCli.Client()
|
|
ctx := context.Background()
|
|
|
|
req := swarm.InitRequest{
|
|
ListenAddr: opts.listenAddr.String(),
|
|
ForceNewCluster: opts.forceNewCluster,
|
|
Spec: opts.swarmOptions.ToSpec(),
|
|
}
|
|
|
|
nodeID, err := client.SwarmInit(ctx, req)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
fmt.Fprintf(dockerCli.Out(), "Swarm initialized: current node (%s) is now a manager.\n\n", nodeID)
|
|
|
|
return printJoinCommand(ctx, dockerCli, nodeID, true, true)
|
|
}
|