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

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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 [OPTIONS]",
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 swarm.")
return nil
}