github.com/kobeld/docker@v1.12.0-rc1/api/client/stack/tasks.go (about)

     1  // +build experimental
     2  
     3  package stack
     4  
     5  import (
     6  	"golang.org/x/net/context"
     7  
     8  	"github.com/docker/docker/api/client"
     9  	"github.com/docker/docker/api/client/idresolver"
    10  	"github.com/docker/docker/api/client/task"
    11  	"github.com/docker/docker/cli"
    12  	"github.com/docker/docker/opts"
    13  	"github.com/docker/engine-api/types"
    14  	"github.com/docker/engine-api/types/swarm"
    15  	"github.com/spf13/cobra"
    16  )
    17  
    18  type tasksOptions struct {
    19  	all       bool
    20  	filter    opts.FilterOpt
    21  	namespace string
    22  	noResolve bool
    23  }
    24  
    25  func newTasksCommand(dockerCli *client.DockerCli) *cobra.Command {
    26  	opts := tasksOptions{filter: opts.NewFilterOpt()}
    27  
    28  	cmd := &cobra.Command{
    29  		Use:   "tasks [OPTIONS] STACK",
    30  		Short: "List the tasks in the stack",
    31  		Args:  cli.ExactArgs(1),
    32  		RunE: func(cmd *cobra.Command, args []string) error {
    33  			opts.namespace = args[0]
    34  			return runTasks(dockerCli, opts)
    35  		},
    36  	}
    37  	flags := cmd.Flags()
    38  	flags.BoolVarP(&opts.all, "all", "a", false, "Display all tasks")
    39  	flags.BoolVarP(&opts.noResolve, "no-resolve", "n", false, "Do not map IDs to Names")
    40  	flags.VarP(&opts.filter, "filter", "f", "Filter output based on conditions provided")
    41  
    42  	return cmd
    43  }
    44  
    45  func runTasks(dockerCli *client.DockerCli, opts tasksOptions) error {
    46  	client := dockerCli.Client()
    47  	ctx := context.Background()
    48  
    49  	filter := opts.filter.Value()
    50  	filter.Add("label", labelNamespace+"="+opts.namespace)
    51  	if !opts.all && !filter.Include("desired_state") {
    52  		filter.Add("desired_state", string(swarm.TaskStateRunning))
    53  		filter.Add("desired_state", string(swarm.TaskStateAccepted))
    54  	}
    55  
    56  	tasks, err := client.TaskList(ctx, types.TaskListOptions{Filter: filter})
    57  	if err != nil {
    58  		return err
    59  	}
    60  
    61  	return task.Print(dockerCli, ctx, tasks, idresolver.New(client, opts.noResolve))
    62  }