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12a00e6017
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>
44 lines
885 B
Go
44 lines
885 B
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/spf13/cobra"
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)
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type leaveOptions struct {
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force bool
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}
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func newLeaveCommand(dockerCli *client.DockerCli) *cobra.Command {
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opts := leaveOptions{}
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cmd := &cobra.Command{
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Use: "leave",
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Short: "Leave 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 runLeave(dockerCli, opts)
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},
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}
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flags := cmd.Flags()
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flags.BoolVar(&opts.force, "force", false, "Force leave ignoring warnings.")
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return cmd
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}
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func runLeave(dockerCli *client.DockerCli, opts leaveOptions) error {
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client := dockerCli.Client()
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ctx := context.Background()
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if err := client.SwarmLeave(ctx, opts.force); err != nil {
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return err
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}
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fmt.Fprintln(dockerCli.Out(), "Node left the default swarm.")
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return nil
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}
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