e808aa4ed0
As described in our ROADMAP.md, introduce new Swarm management commands to call to the corresponding API endpoints. This PR is fully backward compatible (joining a Swarm is an optional feature of the Engine, and existing commands are not impacted). Signed-off-by: Daniel Nephin <dnephin@docker.com> Signed-off-by: Victor Vieux <vieux@docker.com> Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com> Upstream-commit: 12a00e60177ca42bfb1dd9ebd5dce1c7039da6dd Component: engine
62 lines
1.6 KiB
Go
62 lines
1.6 KiB
Go
package swarm
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import (
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"fmt"
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"golang.org/x/net/context"
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"github.com/docker/docker/api/client"
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"github.com/docker/docker/cli"
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"github.com/docker/engine-api/types/swarm"
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"github.com/spf13/cobra"
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)
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type initOptions struct {
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listenAddr NodeAddrOption
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autoAccept AutoAcceptOption
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forceNewCluster bool
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secret string
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}
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func newInitCommand(dockerCli *client.DockerCli) *cobra.Command {
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opts := initOptions{
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listenAddr: NewNodeAddrOption(),
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autoAccept: NewAutoAcceptOption(),
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}
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cmd := &cobra.Command{
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Use: "init",
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Short: "Initialize a Swarm.",
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Args: cli.NoArgs,
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RunE: func(cmd *cobra.Command, args []string) error {
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return runInit(dockerCli, opts)
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},
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}
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flags := cmd.Flags()
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flags.Var(&opts.listenAddr, "listen-addr", "Listen address")
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flags.Var(&opts.autoAccept, "auto-accept", "Auto acceptance policy (worker, manager, or none)")
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flags.StringVar(&opts.secret, "secret", "", "Set secret value needed to accept nodes into cluster")
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flags.BoolVar(&opts.forceNewCluster, "force-new-cluster", false, "Force create a new cluster from current state.")
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return cmd
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}
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func runInit(dockerCli *client.DockerCli, opts initOptions) error {
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client := dockerCli.Client()
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ctx := context.Background()
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req := swarm.InitRequest{
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ListenAddr: opts.listenAddr.String(),
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ForceNewCluster: opts.forceNewCluster,
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}
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req.Spec.AcceptancePolicy.Policies = opts.autoAccept.Policies(opts.secret)
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nodeID, err := client.SwarmInit(ctx, req)
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if err != nil {
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return err
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}
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fmt.Printf("Swarm initialized: current node (%s) is now a manager.\n", nodeID)
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return nil
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}
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