1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
package service
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 services",
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) != 0 {
return errors.New("ls command takes no arguments")
}
flags := cmd.Flags()
quiet, err := flags.GetBool("quiet")
if err != nil {
return err
}
c, err := common.Dial(cmd)
if err != nil {
return err
}
r, err := c.ListServices(common.Context(cmd), &api.ListServicesRequest{})
if err != nil {
return err
}
nr, err := c.ListNodes(common.Context(cmd), &api.ListNodesRequest{})
if err != nil {
return err
}
liveNodes := make(map[string]struct{})
for _, n := range nr.Nodes {
if n.Status.State != api.NodeStatus_DOWN {
liveNodes[n.ID] = struct{}{}
}
}
var output func(j *api.Service)
if !quiet {
tr, err := c.ListTasks(common.Context(cmd), &api.ListTasksRequest{})
if err != nil {
return err
}
running := map[string]int{}
for _, task := range tr.Tasks {
if _, nodeLive := liveNodes[task.NodeID]; nodeLive &&
task.Status.State == api.TaskStateRunning {
running[task.ServiceID]++
}
}
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", "Name", "Image", "Replicas")
output = func(s *api.Service) {
spec := s.Spec
var reference string
if spec.Task.GetContainer() != nil {
reference = spec.Task.GetContainer().Image
}
fmt.Fprintf(w, "%s\t%s\t%s\t%s\n",
s.ID,
spec.Annotations.Name,
reference,
getServiceReplicasTxt(s, running[s.ID]),
)
}
} else {
output = func(j *api.Service) { fmt.Println(j.ID) }
}
for _, j := range r.Services {
output(j)
}
return nil
},
}
)
func init() {
listCmd.Flags().BoolP("quiet", "q", false, "Only display IDs")
}
|
