github.com/noxiouz/docker@v0.7.3-0.20160629055221-3d231c78e8c5/api/client/node/demote.go (about)

     1  package node
     2  
     3  import (
     4  	"fmt"
     5  
     6  	"github.com/docker/docker/api/client"
     7  	"github.com/docker/docker/cli"
     8  	"github.com/docker/engine-api/types/swarm"
     9  	"github.com/spf13/cobra"
    10  )
    11  
    12  func newDemoteCommand(dockerCli *client.DockerCli) *cobra.Command {
    13  	return &cobra.Command{
    14  		Use:   "demote NODE [NODE...]",
    15  		Short: "Demote a node from manager in the swarm",
    16  		Args:  cli.RequiresMinArgs(1),
    17  		RunE: func(cmd *cobra.Command, args []string) error {
    18  			return runDemote(dockerCli, args)
    19  		},
    20  	}
    21  }
    22  
    23  func runDemote(dockerCli *client.DockerCli, nodes []string) error {
    24  	demote := func(node *swarm.Node) {
    25  		node.Spec.Role = swarm.NodeRoleWorker
    26  	}
    27  	success := func(nodeID string) {
    28  		fmt.Fprintf(dockerCli.Out(), "Manager %s demoted in the swarm.\n", nodeID)
    29  	}
    30  	return updateNodes(dockerCli, nodes, demote, success)
    31  }