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32 lines
838 B
Go
32 lines
838 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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)
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func newDemoteCommand(dockerCli *client.DockerCli) *cobra.Command {
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return &cobra.Command{
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Use: "demote NODE [NODE...]",
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Short: "Demote one or more nodes 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, args)
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},
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}
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}
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func runDemote(dockerCli *client.DockerCli, nodes []string) error {
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demote := func(node *swarm.Node) error {
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node.Spec.Role = swarm.NodeRoleWorker
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return nil
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}
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success := func(nodeID string) {
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fmt.Fprintf(dockerCli.Out(), "Manager %s demoted in the swarm.\n", nodeID)
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}
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return updateNodes(dockerCli, nodes, demote, success)
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}
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