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moby--moby/cli/command/node/demote.go
Daniel Nephin 0640a14b4f Move api/client -> cli/command
Using
  gomvpkg
     -from github.com/docker/docker/api/client
     -to github.com/docker/docker/cli/command
     -vcs_mv_cmd 'git mv {{.Src}} {{.Dst}}'

Signed-off-by: Daniel Nephin <dnephin@docker.com>
2016-09-08 15:46:29 -04:00

36 lines
992 B
Go

package node
import (
"fmt"
"github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/cli"
"github.com/docker/docker/cli/command"
"github.com/spf13/cobra"
)
func newDemoteCommand(dockerCli *command.DockerCli) *cobra.Command {
return &cobra.Command{
Use: "demote NODE [NODE...]",
Short: "Demote one or more nodes from manager in the swarm",
Args: cli.RequiresMinArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
return runDemote(dockerCli, args)
},
}
}
func runDemote(dockerCli *command.DockerCli, nodes []string) error {
demote := func(node *swarm.Node) error {
if node.Spec.Role == swarm.NodeRoleWorker {
fmt.Fprintf(dockerCli.Out(), "Node %s is already a worker.\n", node.ID)
return errNoRoleChange
}
node.Spec.Role = swarm.NodeRoleWorker
return nil
}
success := func(nodeID string) {
fmt.Fprintf(dockerCli.Out(), "Manager %s demoted in the swarm.\n", nodeID)
}
return updateNodes(dockerCli, nodes, demote, success)
}