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
45 lines
885 B
Go
45 lines
885 B
Go
package swarm
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"golang.org/x/net/context"
|
|
|
|
"github.com/docker/docker/api/client"
|
|
"github.com/docker/docker/cli"
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
type leaveOptions struct {
|
|
force bool
|
|
}
|
|
|
|
func newLeaveCommand(dockerCli *client.DockerCli) *cobra.Command {
|
|
opts := leaveOptions{}
|
|
|
|
cmd := &cobra.Command{
|
|
Use: "leave",
|
|
Short: "Leave a Swarm.",
|
|
Args: cli.NoArgs,
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
return runLeave(dockerCli, opts)
|
|
},
|
|
}
|
|
|
|
flags := cmd.Flags()
|
|
flags.BoolVar(&opts.force, "force", false, "Force leave ignoring warnings.")
|
|
return cmd
|
|
}
|
|
|
|
func runLeave(dockerCli *client.DockerCli, opts leaveOptions) error {
|
|
client := dockerCli.Client()
|
|
ctx := context.Background()
|
|
|
|
if err := client.SwarmLeave(ctx, opts.force); err != nil {
|
|
return err
|
|
}
|
|
|
|
fmt.Fprintln(dockerCli.Out(), "Node left the default swarm.")
|
|
return nil
|
|
}
|