e808aa4ed0
As described in our ROADMAP.md, introduce new Swarm management commands to call to the corresponding API endpoints. This PR is fully backward compatible (joining a Swarm is an optional feature of the Engine, and existing commands are not impacted). Signed-off-by: Daniel Nephin <dnephin@docker.com> Signed-off-by: Victor Vieux <vieux@docker.com> Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com> Upstream-commit: 12a00e60177ca42bfb1dd9ebd5dce1c7039da6dd Component: engine
41 lines
941 B
Go
41 lines
941 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 newPromoteCommand(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: "promote NODE [NODE...]",
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Short: "Promote a node to a 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 runPromote(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 runPromote(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.NodeRoleManager
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}); err != nil {
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return err
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}
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fmt.Println(id, "attempting to promote a node to a manager in the swarm.")
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}
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return nil
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}
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