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12a00e6017
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>
72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
package node
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import (
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"golang.org/x/net/context"
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"github.com/docker/docker/api/client"
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"github.com/docker/docker/api/client/idresolver"
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"github.com/docker/docker/api/client/task"
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"github.com/docker/docker/cli"
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"github.com/docker/docker/opts"
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"github.com/docker/engine-api/types"
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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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type tasksOptions struct {
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nodeID string
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all bool
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noResolve bool
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filter opts.FilterOpt
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}
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func newTasksCommand(dockerCli *client.DockerCli) *cobra.Command {
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opts := tasksOptions{filter: opts.NewFilterOpt()}
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cmd := &cobra.Command{
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Use: "tasks [OPTIONS] self|NODE",
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Short: "List tasks running on a node",
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Args: cli.ExactArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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opts.nodeID = args[0]
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return runTasks(dockerCli, opts)
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},
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}
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flags := cmd.Flags()
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flags.BoolVarP(&opts.all, "all", "a", false, "Display all instances")
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flags.BoolVarP(&opts.noResolve, "no-resolve", "n", false, "Do not map IDs to Names")
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flags.VarP(&opts.filter, "filter", "f", "Filter output based on conditions provided")
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return cmd
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}
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func runTasks(dockerCli *client.DockerCli, opts tasksOptions) error {
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client := dockerCli.Client()
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ctx := context.Background()
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nodeRef, err := nodeReference(client, ctx, opts.nodeID)
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if err != nil {
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return nil
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}
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node, err := client.NodeInspect(ctx, nodeRef)
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if err != nil {
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return err
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}
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filter := opts.filter.Value()
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filter.Add("node", node.ID)
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if !opts.all {
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filter.Add("desired_state", string(swarm.TaskStateRunning))
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filter.Add("desired_state", string(swarm.TaskStateAccepted))
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}
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tasks, err := client.TaskList(
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ctx,
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types.TaskListOptions{Filter: filter})
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if err != nil {
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return err
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}
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return task.Print(dockerCli, ctx, tasks, idresolver.New(client, opts.noResolve))
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}
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