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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
package pods
import (
"context"
"encoding/json"
"fmt"
"io"
"os"
"strings"
"text/tabwriter"
"text/template"
"time"
"github.com/docker/go-units"
"github.com/containers/libpod/cmd/podman/registry"
"github.com/containers/libpod/pkg/domain/entities"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var (
psDescription = "List all pods on system including their names, ids and current state."
// Command: podman pod _ps_
psCmd = &cobra.Command{
Use: "ps",
Aliases: []string{"ls", "list"},
Short: "list pods",
Long: psDescription,
RunE: pods,
}
)
var (
defaultHeaders string = "POD ID\tNAME\tSTATUS\tCREATED"
inputFilters string
noTrunc bool
psInput entities.PodPSOptions
)
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: psCmd,
Parent: podCmd,
})
flags := psCmd.Flags()
flags.BoolVar(&psInput.CtrNames, "ctr-names", false, "Display the container names")
flags.BoolVar(&psInput.CtrIds, "ctr-ids", false, "Display the container UUIDs. If no-trunc is not set they will be truncated")
flags.BoolVar(&psInput.CtrStatus, "ctr-status", false, "Display the container status")
// TODO should we make this a [] ?
flags.StringVarP(&inputFilters, "filter", "f", "", "Filter output based on conditions given")
flags.StringVar(&psInput.Format, "format", "", "Pretty-print pods to JSON or using a Go template")
flags.BoolVarP(&psInput.Latest, "latest", "l", false, "Act on the latest pod podman is aware of")
flags.BoolVar(&psInput.Namespace, "namespace", false, "Display namespace information of the pod")
flags.BoolVar(&psInput.Namespace, "ns", false, "Display namespace information of the pod")
flags.BoolVar(&noTrunc, "no-trunc", false, "Do not truncate pod and container IDs")
flags.BoolVarP(&psInput.Quiet, "quiet", "q", false, "Print the numeric IDs of the pods only")
flags.StringVar(&psInput.Sort, "sort", "created", "Sort output by created, id, name, or number")
if registry.IsRemote() {
_ = flags.MarkHidden("latest")
}
}
func pods(cmd *cobra.Command, args []string) error {
var (
w io.Writer = os.Stdout
row string
lpr []ListPodReporter
)
if cmd.Flag("filter").Changed {
for _, f := range strings.Split(inputFilters, ",") {
split := strings.Split(f, "=")
if len(split) < 2 {
return errors.Errorf("filter input must be in the form of filter=value: %s is invalid", f)
}
psInput.Filters[split[0]] = append(psInput.Filters[split[0]], split[1])
}
}
responses, err := registry.ContainerEngine().PodPs(context.Background(), psInput)
if err != nil {
return err
}
if psInput.Format == "json" {
b, err := json.MarshalIndent(responses, "", " ")
if err != nil {
return err
}
fmt.Println(string(b))
return nil
}
for _, r := range responses {
lpr = append(lpr, ListPodReporter{r})
}
headers, row := createPodPsOut()
if psInput.Quiet {
if noTrunc {
row = "{{.Id}}\n"
} else {
row = "{{slice .Id 0 12}}\n"
}
}
if cmd.Flag("format").Changed {
row = psInput.Format
if !strings.HasPrefix(row, "\n") {
row += "\n"
}
}
format := "{{range . }}" + row + "{{end}}"
if !psInput.Quiet && !cmd.Flag("format").Changed {
format = headers + format
}
tmpl, err := template.New("listPods").Parse(format)
if err != nil {
return err
}
if !psInput.Quiet {
w = tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
}
if err := tmpl.Execute(w, lpr); err != nil {
return err
}
if flusher, ok := w.(interface{ Flush() error }); ok {
return flusher.Flush()
}
return nil
}
func createPodPsOut() (string, string) {
var row string
headers := defaultHeaders
if noTrunc {
row += "{{.Id}}"
} else {
row += "{{slice .Id 0 12}}"
}
row += "\t{{.Name}}\t{{.Status}}\t{{.Created}}"
if psInput.CtrIds {
headers += "\tIDS"
row += "\t{{.ContainerIds}}"
}
if psInput.CtrNames {
headers += "\tNAMES"
row += "\t{{.ContainerNames}}"
}
if psInput.CtrStatus {
headers += "\tSTATUS"
row += "\t{{.ContainerStatuses}}"
}
if psInput.Namespace {
headers += "\tCGROUP\tNAMESPACES"
row += "\t{{.Cgroup}}\t{{.Namespace}}"
}
if !psInput.CtrStatus && !psInput.CtrNames && !psInput.CtrIds {
headers += "\t# OF CONTAINERS"
row += "\t{{.NumberOfContainers}}"
}
headers += "\tINFRA ID\n"
if noTrunc {
row += "\t{{.InfraId}}\n"
} else {
row += "\t{{slice .InfraId 0 12}}\n"
}
return headers, row
}
// ListPodReporter is a struct for pod ps output
type ListPodReporter struct {
*entities.ListPodsReport
}
// Created returns a human readable created time/date
func (l ListPodReporter) Created() string {
return units.HumanDuration(time.Since(l.ListPodsReport.Created)) + " ago"
}
// NumberofContainers returns an int representation for
// the number of containers belonging to the pod
func (l ListPodReporter) NumberOfContainers() int {
return len(l.Containers)
}
// Added for backwards compatibility with podmanv1
func (l ListPodReporter) InfraID() string {
return l.InfraId()
}
// InfraId returns the infra container id for the pod
// depending on trunc
func (l ListPodReporter) InfraId() string {
if noTrunc {
return l.ListPodsReport.InfraId
}
return l.ListPodsReport.InfraId[0:12]
}
func (l ListPodReporter) ContainerIds() string {
var ctrids []string
for _, c := range l.Containers {
id := c.Id
if !noTrunc {
id = id[0:12]
}
ctrids = append(ctrids, id)
}
return strings.Join(ctrids, ",")
}
func (l ListPodReporter) ContainerNames() string {
var ctrNames []string
for _, c := range l.Containers {
ctrNames = append(ctrNames, c.Names)
}
return strings.Join(ctrNames, ",")
}
func (l ListPodReporter) ContainerStatuses() string {
var statuses []string
for _, c := range l.Containers {
statuses = append(statuses, c.Status)
}
return strings.Join(statuses, ",")
}
|
