summaryrefslogtreecommitdiff
path: root/pkg/varlinkapi/pods.go
blob: 7930a956fe908d937b58c84c823cebb3a3840f42 (plain)
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
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
package varlinkapi

import (
	"encoding/json"
	"syscall"

	"github.com/containers/libpod/cmd/podman/shared"
	"github.com/containers/libpod/cmd/podman/varlink"
	"github.com/containers/libpod/libpod"
)

// CreatePod ...
func (i *LibpodAPI) CreatePod(call iopodman.VarlinkCall, create iopodman.PodCreate) error {
	var options []libpod.PodCreateOption
	if create.CgroupParent != "" {
		options = append(options, libpod.WithPodCgroupParent(create.CgroupParent))
	}
	if len(create.Labels) > 0 {
		options = append(options, libpod.WithPodLabels(create.Labels))
	}
	if create.Name != "" {
		options = append(options, libpod.WithPodName(create.Name))
	}
	if len(create.Share) > 0 && !create.Infra {
		return call.ReplyErrorOccurred("You cannot share kernel namespaces on the pod level without an infra container")
	}
	if len(create.Share) == 0 && create.Infra {
		return call.ReplyErrorOccurred("You must share kernel namespaces to run an infra container")
	}
	if create.Infra {
		options = append(options, libpod.WithInfraContainer())
		nsOptions, err := shared.GetNamespaceOptions(create.Share)
		if err != nil {
			return err
		}
		options = append(options, nsOptions...)
	}
	options = append(options, libpod.WithPodCgroups())

	pod, err := i.Runtime.NewPod(getContext(), options...)
	if err != nil {
		return call.ReplyErrorOccurred(err.Error())
	}
	return call.ReplyCreatePod(pod.ID())
}

// ListPods ...
func (i *LibpodAPI) ListPods(call iopodman.VarlinkCall) error {
	var (
		listPods []iopodman.ListPodData
	)

	pods, err := i.Runtime.GetAllPods()
	if err != nil {
		return call.ReplyErrorOccurred(err.Error())
	}
	opts := shared.PsOptions{}
	for _, pod := range pods {
		listPod, err := makeListPod(pod, opts)
		if err != nil {
			return call.ReplyErrorOccurred(err.Error())
		}
		listPods = append(listPods, listPod)
	}
	return call.ReplyListPods(listPods)
}

// GetPod ...
func (i *LibpodAPI) GetPod(call iopodman.VarlinkCall, name string) error {
	pod, err := i.Runtime.LookupPod(name)
	if err != nil {
		return call.ReplyPodNotFound(name)
	}
	opts := shared.PsOptions{}

	listPod, err := makeListPod(pod, opts)
	if err != nil {
		return call.ReplyErrorOccurred(err.Error())
	}

	return call.ReplyGetPod(listPod)
}

// InspectPod ...
func (i *LibpodAPI) InspectPod(call iopodman.VarlinkCall, name string) error {
	pod, err := i.Runtime.LookupPod(name)
	if err != nil {
		return call.ReplyPodNotFound(name)
	}
	inspectData, err := pod.Inspect()
	if err != nil {
		return call.ReplyErrorOccurred(err.Error())
	}
	b, err := json.Marshal(&inspectData)
	if err != nil {
		return call.ReplyErrorOccurred("unable to serialize")
	}
	return call.ReplyInspectPod(string(b))
}

// StartPod ...
func (i *LibpodAPI) StartPod(call iopodman.VarlinkCall, name string) error {
	pod, err := i.Runtime.LookupPod(name)
	if err != nil {
		return call.ReplyPodNotFound(name)
	}
	ctnrs, err := pod.AllContainers()
	if err != nil {
		return call.ReplyErrorOccurred(err.Error())
	}
	if 0 == len(ctnrs) {
		return call.ReplyNoContainersInPod(name)
	}
	ctrErrs, err := pod.Start(getContext())
	callErr := handlePodCall(call, pod, ctrErrs, err)
	if callErr != nil {
		return err
	}
	return call.ReplyStartPod(pod.ID())
}

// StopPod ...
func (i *LibpodAPI) StopPod(call iopodman.VarlinkCall, name string) error {
	pod, err := i.Runtime.LookupPod(name)
	if err != nil {
		return call.ReplyPodNotFound(name)
	}
	ctrErrs, err := pod.Stop(getContext(), true)
	callErr := handlePodCall(call, pod, ctrErrs, err)
	if callErr != nil {
		return err
	}
	return call.ReplyStopPod(pod.ID())
}

// RestartPod ...
func (i *LibpodAPI) RestartPod(call iopodman.VarlinkCall, name string) error {
	pod, err := i.Runtime.LookupPod(name)
	if err != nil {
		return call.ReplyPodNotFound(name)
	}
	ctnrs, err := pod.AllContainers()
	if err != nil {
		return call.ReplyErrorOccurred(err.Error())
	}
	if 0 == len(ctnrs) {
		return call.ReplyNoContainersInPod(name)
	}
	ctrErrs, err := pod.Restart(getContext())
	callErr := handlePodCall(call, pod, ctrErrs, err)
	if callErr != nil {
		return err
	}
	return call.ReplyRestartPod(pod.ID())
}

// KillPod kills the running containers in a pod.  If you want to use the default SIGTERM signal,
// just send a -1 for the signal arg.
func (i *LibpodAPI) KillPod(call iopodman.VarlinkCall, name string, signal int64) error {
	killSignal := uint(syscall.SIGTERM)
	if signal != -1 {
		killSignal = uint(signal)
	}

	pod, err := i.Runtime.LookupPod(name)
	if err != nil {
		return call.ReplyPodNotFound(name)
	}
	ctrErrs, err := pod.Kill(killSignal)
	callErr := handlePodCall(call, pod, ctrErrs, err)
	if callErr != nil {
		return err
	}
	return call.ReplyKillPod(pod.ID())
}

// PausePod ...
func (i *LibpodAPI) PausePod(call iopodman.VarlinkCall, name string) error {
	pod, err := i.Runtime.LookupPod(name)
	if err != nil {
		return call.ReplyPodNotFound(name)
	}
	ctrErrs, err := pod.Pause()
	callErr := handlePodCall(call, pod, ctrErrs, err)
	if callErr != nil {
		return err
	}
	return call.ReplyPausePod(pod.ID())
}

// UnpausePod ...
func (i *LibpodAPI) UnpausePod(call iopodman.VarlinkCall, name string) error {
	pod, err := i.Runtime.LookupPod(name)
	if err != nil {
		return call.ReplyPodNotFound(name)
	}
	ctrErrs, err := pod.Unpause()
	callErr := handlePodCall(call, pod, ctrErrs, err)
	if callErr != nil {
		return err
	}
	return call.ReplyUnpausePod(pod.ID())
}

// RemovePod ...
func (i *LibpodAPI) RemovePod(call iopodman.VarlinkCall, name string, force bool) error {
	ctx := getContext()
	pod, err := i.Runtime.LookupPod(name)
	if err != nil {
		return call.ReplyPodNotFound(name)
	}
	if err = i.Runtime.RemovePod(ctx, pod, force, force); err != nil {
		return call.ReplyErrorOccurred(err.Error())
	}

	return call.ReplyRemovePod(pod.ID())
}

// GetPodStats ...
func (i *LibpodAPI) GetPodStats(call iopodman.VarlinkCall, name string) error {
	pod, err := i.Runtime.LookupPod(name)
	if err != nil {
		return call.ReplyPodNotFound(name)
	}
	prevStats := make(map[string]*libpod.ContainerStats)
	podStats, err := pod.GetPodStats(prevStats)
	if err != nil {
		return call.ReplyErrorOccurred(err.Error())
	}
	if len(podStats) == 0 {
		return call.ReplyNoContainerRunning()
	}
	containersStats := make([]iopodman.ContainerStats, 0)
	for ctrID, containerStats := range podStats {
		cs := iopodman.ContainerStats{
			Id:           ctrID,
			Name:         containerStats.Name,
			Cpu:          containerStats.CPU,
			Cpu_nano:     int64(containerStats.CPUNano),
			System_nano:  int64(containerStats.SystemNano),
			Mem_usage:    int64(containerStats.MemUsage),
			Mem_limit:    int64(containerStats.MemLimit),
			Mem_perc:     containerStats.MemPerc,
			Net_input:    int64(containerStats.NetInput),
			Net_output:   int64(containerStats.NetOutput),
			Block_input:  int64(containerStats.BlockInput),
			Block_output: int64(containerStats.BlockOutput),
			Pids:         int64(containerStats.PIDs),
		}
		containersStats = append(containersStats, cs)
	}
	return call.ReplyGetPodStats(pod.ID(), containersStats)
}