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package task
import (
"errors"
"fmt"
"os"
"text/tabwriter"
"github.com/docker/swarmkit/api"
"github.com/docker/swarmkit/cmd/swarmctl/common"
"github.com/spf13/cobra"
)
var (
listCmd = &cobra.Command{
Use: "ls",
Short: "List tasks",
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) != 0 {
return errors.New("ls command takes no arguments")
}
flags := cmd.Flags()
all, err := flags.GetBool("all")
if err != nil {
return err
}
quiet, err := flags.GetBool("quiet")
if err != nil {
return err
}
c, err := common.Dial(cmd)
if err != nil {
return err
}
r, err := c.ListTasks(common.Context(cmd), &api.ListTasksRequest{})
if err != nil {
return err
}
res := common.NewResolver(cmd, c)
var output func(t *api.Task)
if !quiet {
w := tabwriter.NewWriter(os.Stdout, 0, 4, 2, ' ', 0)
defer func() {
// Ignore flushing errors - there's nothing we can do.
_ = w.Flush()
}()
common.PrintHeader(w, "ID", "Service", "Desired State", "Last State", "Node")
output = func(t *api.Task) {
fmt.Fprintf(w, "%s\t%s.%d\t%s\t%s %s\t%s\n",
t.ID,
res.Resolve(api.Service{}, t.ServiceID),
t.Slot,
t.DesiredState.String(),
t.Status.State.String(),
common.TimestampAgo(t.Status.Timestamp),
res.Resolve(api.Node{}, t.NodeID),
)
}
} else {
output = func(t *api.Task) { fmt.Println(t.ID) }
}
for _, t := range r.Tasks {
if all || t.DesiredState <= api.TaskStateRunning {
output(t)
}
}
return nil
},
}
)
func init() {
listCmd.Flags().BoolP("all", "a", false, "Show all tasks (default shows just running)")
listCmd.Flags().BoolP("quiet", "q", false, "Only display IDs")
}
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