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
|
package integration
import (
"fmt"
"os"
"strconv"
"time"
. "github.com/containers/podman/v4/test/utils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gexec"
)
// TODO: we need to check the output. Currently, we only check the exit codes
// which is not enough.
var _ = Describe("Podman stats", func() {
var (
tempdir string
podmanTest *PodmanTestIntegration
)
BeforeEach(func() {
SkipIfRootlessCgroupsV1("stats not supported on cgroupv1 for rootless users")
if isContainerized() {
SkipIfCgroupV1("stats not supported inside cgroupv1 container environment")
}
var err error
tempdir, err = CreateTempDirInTempDir()
if err != nil {
os.Exit(1)
}
podmanTest = PodmanTestCreate(tempdir)
podmanTest.Setup()
})
AfterEach(func() {
podmanTest.Cleanup()
f := CurrentGinkgoTestDescription()
processTestResult(f)
})
It("podman stats with bogus container", func() {
session := podmanTest.Podman([]string{"stats", "--no-stream", "123"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(125))
})
It("podman stats on a running container", func() {
session := podmanTest.RunTopContainer("")
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
cid := session.OutputToString()
session = podmanTest.Podman([]string{"stats", "--no-stream", cid})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
})
It("podman stats on all containers", func() {
session := podmanTest.RunTopContainer("")
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"stats", "--no-stream", "-a"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
})
It("podman stats on all running containers", func() {
session := podmanTest.RunTopContainer("")
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"stats", "--no-stream"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
})
It("podman stats only output cids", func() {
session := podmanTest.RunTopContainer("")
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"stats", "--all", "--no-stream", "--format", "\"{{.ID}}\""})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
})
It("podman stats with GO template", func() {
session := podmanTest.RunTopContainer("")
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
stats := podmanTest.Podman([]string{"stats", "-a", "--no-reset", "--no-stream", "--format", "table {{.ID}} {{.AVGCPU}} {{.MemUsage}} {{.CPU}} {{.NetIO}} {{.BlockIO}} {{.PIDS}}"})
stats.WaitWithDefaultTimeout()
Expect(stats).To(Exit(0))
})
It("podman stats with invalid GO template", func() {
session := podmanTest.RunTopContainer("")
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
stats := podmanTest.Podman([]string{"stats", "-a", "--no-reset", "--no-stream", "--format", "\"table {{.ID}} {{.NoSuchField}} \""})
stats.WaitWithDefaultTimeout()
Expect(stats).To(ExitWithError())
})
It("podman stats with negative interval", func() {
session := podmanTest.RunTopContainer("")
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
stats := podmanTest.Podman([]string{"stats", "-a", "--no-reset", "--no-stream", "--interval=-1"})
stats.WaitWithDefaultTimeout()
Expect(stats).To(ExitWithError())
})
It("podman stats with zero interval", func() {
session := podmanTest.RunTopContainer("")
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
stats := podmanTest.Podman([]string{"stats", "-a", "--no-reset", "--no-stream", "--interval=0"})
stats.WaitWithDefaultTimeout()
Expect(stats).To(ExitWithError())
})
It("podman stats with interval", func() {
session := podmanTest.RunTopContainer("")
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
stats := podmanTest.Podman([]string{"stats", "-a", "--no-reset", "--no-stream", "--interval=5"})
stats.WaitWithDefaultTimeout()
Expect(stats).Should(Exit(0))
})
It("podman stats with json output", func() {
var found bool
session := podmanTest.RunTopContainer("")
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
for i := 0; i < 5; i++ {
ps := podmanTest.Podman([]string{"ps", "-q"})
ps.WaitWithDefaultTimeout()
if len(ps.OutputToStringArray()) == 1 {
found = true
break
}
time.Sleep(time.Second)
}
Expect(found).To(BeTrue())
stats := podmanTest.Podman([]string{"stats", "--all", "--no-stream", "--format", "json"})
stats.WaitWithDefaultTimeout()
Expect(stats).Should(Exit(0))
Expect(stats.OutputToString()).To(BeValidJSON())
})
It("podman stats on a container with no net ns", func() {
session := podmanTest.Podman([]string{"run", "-d", "--net", "none", ALPINE, "top"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"stats", "--no-stream", "-a"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
})
It("podman stats on a container that joined another's net ns", func() {
session := podmanTest.RunTopContainer("")
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
cid := session.OutputToString()
session = podmanTest.Podman([]string{"run", "-d", "--net", fmt.Sprintf("container:%s", cid), ALPINE, "top"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"stats", "--no-stream", "-a"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
})
It("podman stats on container with forced slirp4netns", func() {
// This will force the slirp4netns net mode to be tested as root
session := podmanTest.Podman([]string{"run", "-d", "--net", "slirp4netns", ALPINE, "top"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"stats", "--no-stream", "-a"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
})
It("podman reads slirp4netns network stats", func() {
session := podmanTest.Podman([]string{"run", "-d", "--network", "slirp4netns", ALPINE, "top"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
cid := session.OutputToString()
stats := podmanTest.Podman([]string{"stats", "--format", "'{{.NetIO}}'", "--no-stream", cid})
stats.WaitWithDefaultTimeout()
Expect(stats).Should(Exit(0))
Expect(stats.OutputToString()).To(Not(ContainSubstring("-- / --")))
})
// Regression test for #8265
It("podman stats with custom memory limits", func() {
// Run three containers. One with a memory limit. Make sure
// that the limits are different and the limited one has a
// lower limit.
ctrNoLimit0 := "no-limit-0"
ctrNoLimit1 := "no-limit-1"
ctrWithLimit := "with-limit"
session := podmanTest.Podman([]string{"run", "-d", "--name", ctrNoLimit0, ALPINE, "top"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"run", "-d", "--name", ctrNoLimit1, ALPINE, "top"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"run", "-d", "--name", ctrWithLimit, "--memory", "50m", ALPINE, "top"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"stats", "--no-stream", "--format", "{{.MemLimit}}", ctrNoLimit0, ctrNoLimit1, ctrWithLimit})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
// We have three containers. The unlimited ones need to have
// the same limit, the limited one a lower one.
limits := session.OutputToStringArray()
Expect(limits).To(HaveLen(3))
Expect(limits[0]).To(Equal(limits[1]))
Expect(limits[0]).ToNot(Equal(limits[2]))
defaultLimit, err := strconv.Atoi(limits[0])
Expect(err).To(BeNil())
customLimit, err := strconv.Atoi(limits[2])
Expect(err).To(BeNil())
Expect(customLimit).To(BeNumerically("<", defaultLimit))
})
It("podman stats with a container that is not running", func() {
ctr := "created_container"
session := podmanTest.Podman([]string{"create", "--name", ctr, ALPINE})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"stats", "--no-stream", ctr})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
})
})
|
