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50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
package node
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import (
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"fmt"
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"golang.org/x/net/context"
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"github.com/spf13/cobra"
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"github.com/docker/docker/api/client"
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"github.com/docker/docker/cli"
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apiclient "github.com/docker/engine-api/client"
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)
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// NewNodeCommand returns a cobra command for `node` subcommands
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func NewNodeCommand(dockerCli *client.DockerCli) *cobra.Command {
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cmd := &cobra.Command{
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Use: "node",
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Short: "Manage Docker Swarm nodes",
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Args: cli.NoArgs,
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Run: func(cmd *cobra.Command, args []string) {
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fmt.Fprintf(dockerCli.Err(), "\n"+cmd.UsageString())
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},
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}
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cmd.AddCommand(
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newAcceptCommand(dockerCli),
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newDemoteCommand(dockerCli),
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newInspectCommand(dockerCli),
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newListCommand(dockerCli),
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newPromoteCommand(dockerCli),
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newRemoveCommand(dockerCli),
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newTasksCommand(dockerCli),
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newUpdateCommand(dockerCli),
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)
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return cmd
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}
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// Reference returns the reference of a node. The special value "self" for a node
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// reference is mapped to the current node, hence the node ID is retrieved using
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// the `/info` endpoint.
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func Reference(client apiclient.APIClient, ctx context.Context, ref string) (string, error) {
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if ref == "self" {
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info, err := client.Info(ctx)
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if err != nil {
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return "", err
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}
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return info.Swarm.NodeID, nil
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}
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return ref, nil
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}
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