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>
49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
package node
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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/spf13/cobra"
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"github.com/docker/docker/api/client"
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"github.com/docker/docker/cli"
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apiclient "github.com/docker/engine-api/client"
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)
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// NewNodeCommand returns a cobra command for `node` subcommands
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func NewNodeCommand(dockerCli *client.DockerCli) *cobra.Command {
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cmd := &cobra.Command{
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Use: "node",
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Short: "Manage docker swarm nodes",
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Args: cli.NoArgs,
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Run: func(cmd *cobra.Command, args []string) {
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fmt.Fprintf(dockerCli.Err(), "\n"+cmd.UsageString())
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},
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}
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cmd.AddCommand(
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newAcceptCommand(dockerCli),
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newDemoteCommand(dockerCli),
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newInspectCommand(dockerCli),
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newListCommand(dockerCli),
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newPromoteCommand(dockerCli),
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newRemoveCommand(dockerCli),
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newTasksCommand(dockerCli),
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newUpdateCommand(dockerCli),
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)
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return cmd
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}
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func nodeReference(client apiclient.APIClient, ctx context.Context, ref string) (string, error) {
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// The special value "self" for a node reference is mapped to the current
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// node, hence the node ID is retrieved using the `/info` endpoint.
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if ref == "self" {
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info, err := client.Info(ctx)
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if err != nil {
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return "", err
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}
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return info.Swarm.NodeID, nil
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}
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return ref, nil
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}
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