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40 lines
931 B
Go
40 lines
931 B
Go
package node
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import (
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"fmt"
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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/docker/engine-api/types/swarm"
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"github.com/spf13/cobra"
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"github.com/spf13/pflag"
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)
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func newDemoteCommand(dockerCli *client.DockerCli) *cobra.Command {
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var flags *pflag.FlagSet
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cmd := &cobra.Command{
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Use: "demote NODE [NODE...]",
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Short: "Demote a node from manager in the swarm",
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Args: cli.RequiresMinArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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return runDemote(dockerCli, flags, args)
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},
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}
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flags = cmd.Flags()
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return cmd
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}
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func runDemote(dockerCli *client.DockerCli, flags *pflag.FlagSet, args []string) error {
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for _, id := range args {
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if err := runUpdate(dockerCli, id, func(node *swarm.Node) {
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node.Spec.Role = swarm.NodeRoleWorker
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}); err != nil {
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return err
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}
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fmt.Fprintf(dockerCli.Out(), "Manager %s demoted in the swarm.\n", id)
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}
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return nil
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}
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