github.com/kobeld/docker@v1.12.0-rc1/api/client/node/cmd.go (about)

     1  package node
     2  
     3  import (
     4  	"fmt"
     5  
     6  	"golang.org/x/net/context"
     7  
     8  	"github.com/spf13/cobra"
     9  
    10  	"github.com/docker/docker/api/client"
    11  	"github.com/docker/docker/cli"
    12  	apiclient "github.com/docker/engine-api/client"
    13  )
    14  
    15  // NewNodeCommand returns a cobra command for `node` subcommands
    16  func NewNodeCommand(dockerCli *client.DockerCli) *cobra.Command {
    17  	cmd := &cobra.Command{
    18  		Use:   "node",
    19  		Short: "Manage Docker Swarm nodes",
    20  		Args:  cli.NoArgs,
    21  		Run: func(cmd *cobra.Command, args []string) {
    22  			fmt.Fprintf(dockerCli.Err(), "\n"+cmd.UsageString())
    23  		},
    24  	}
    25  	cmd.AddCommand(
    26  		newAcceptCommand(dockerCli),
    27  		newDemoteCommand(dockerCli),
    28  		newInspectCommand(dockerCli),
    29  		newListCommand(dockerCli),
    30  		newPromoteCommand(dockerCli),
    31  		newRemoveCommand(dockerCli),
    32  		newTasksCommand(dockerCli),
    33  		newUpdateCommand(dockerCli),
    34  	)
    35  	return cmd
    36  }
    37  
    38  func nodeReference(client apiclient.APIClient, ctx context.Context, ref string) (string, error) {
    39  	// The special value "self" for a node reference is mapped to the current
    40  	// node, hence the node ID is retrieved using the `/info` endpoint.
    41  	if ref == "self" {
    42  		info, err := client.Info(ctx)
    43  		if err != nil {
    44  			return "", err
    45  		}
    46  		return info.Swarm.NodeID, nil
    47  	}
    48  	return ref, nil
    49  }