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
|
package integration
import (
"io/ioutil"
"os"
"strings"
"time"
"github.com/containers/podman/v3/pkg/rootless"
. "github.com/containers/podman/v3/test/utils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Podman systemd", func() {
var (
tempdir string
err error
podmanTest *PodmanTestIntegration
systemdUnitFile string
)
BeforeEach(func() {
tempdir, err = CreateTempDirInTempDir()
if err != nil {
os.Exit(1)
}
podmanTest = PodmanTestCreate(tempdir)
podmanTest.Setup()
podmanTest.SeedImages()
systemdUnitFile = `[Unit]
Description=redis container
[Service]
Restart=always
ExecStart=/usr/bin/podman start -a redis
ExecStop=/usr/bin/podman stop -t 10 redis
KillMode=process
[Install]
WantedBy=multi-user.target
`
})
AfterEach(func() {
podmanTest.Cleanup()
f := CurrentGinkgoTestDescription()
processTestResult(f)
})
It("podman start container by systemd", func() {
SkipIfRootless("rootless can not write to /etc")
SkipIfContainerized("test does not have systemd as pid 1")
sys_file := ioutil.WriteFile("/etc/systemd/system/redis.service", []byte(systemdUnitFile), 0644)
Expect(sys_file).To(BeNil())
defer func() {
stop := SystemExec("bash", []string{"-c", "systemctl stop redis"})
os.Remove("/etc/systemd/system/redis.service")
SystemExec("bash", []string{"-c", "systemctl daemon-reload"})
Expect(stop.ExitCode()).To(Equal(0))
}()
create := podmanTest.Podman([]string{"create", "--name", "redis", redis})
create.WaitWithDefaultTimeout()
Expect(create.ExitCode()).To(Equal(0))
enable := SystemExec("bash", []string{"-c", "systemctl daemon-reload"})
Expect(enable.ExitCode()).To(Equal(0))
start := SystemExec("bash", []string{"-c", "systemctl start redis"})
Expect(start.ExitCode()).To(Equal(0))
logs := SystemExec("bash", []string{"-c", "journalctl -n 20 -u redis"})
Expect(logs.ExitCode()).To(Equal(0))
status := SystemExec("bash", []string{"-c", "systemctl status redis"})
Expect(status.OutputToString()).To(ContainSubstring("active (running)"))
})
It("podman run container with systemd PID1", func() {
ctrName := "testSystemd"
run := podmanTest.Podman([]string{"run", "--name", ctrName, "-t", "-i", "-d", ubi_init, "/sbin/init"})
run.WaitWithDefaultTimeout()
Expect(run.ExitCode()).To(Equal(0))
ctrID := run.OutputToString()
logs := podmanTest.Podman([]string{"logs", ctrName})
logs.WaitWithDefaultTimeout()
Expect(logs.ExitCode()).To(Equal(0))
// Give container 10 seconds to start
started := false
for i := 0; i < 10; i++ {
runningCtrs := podmanTest.Podman([]string{"ps", "-q", "--no-trunc"})
runningCtrs.WaitWithDefaultTimeout()
Expect(runningCtrs.ExitCode()).To(Equal(0))
if strings.Contains(runningCtrs.OutputToString(), ctrID) {
started = true
break
}
time.Sleep(1 * time.Second)
}
Expect(started).To(BeTrue())
systemctl := podmanTest.Podman([]string{"exec", "-t", "-i", ctrName, "systemctl", "status", "--no-pager"})
systemctl.WaitWithDefaultTimeout()
Expect(systemctl.ExitCode()).To(Equal(0))
Expect(strings.Contains(systemctl.OutputToString(), "State:")).To(BeTrue())
result := podmanTest.Podman([]string{"inspect", ctrName})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
conData := result.InspectContainerToJSON()
Expect(len(conData)).To(Equal(1))
Expect(conData[0].Config.SystemdMode).To(BeTrue())
if CGROUPSV2 || !rootless.IsRootless() {
stats := podmanTest.Podman([]string{"stats", "--no-stream", ctrName})
stats.WaitWithDefaultTimeout()
Expect(stats.ExitCode()).To(Equal(0))
}
})
It("podman create container with systemd entrypoint triggers systemd mode", func() {
ctrName := "testCtr"
run := podmanTest.Podman([]string{"create", "--name", ctrName, "--entrypoint", "/sbin/init", ubi_init})
run.WaitWithDefaultTimeout()
Expect(run.ExitCode()).To(Equal(0))
result := podmanTest.Podman([]string{"inspect", ctrName})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
conData := result.InspectContainerToJSON()
Expect(len(conData)).To(Equal(1))
Expect(conData[0].Config.SystemdMode).To(BeTrue())
})
It("podman create container with --uidmap and conmon PidFile accessible", func() {
ctrName := "testCtrUidMap"
run := podmanTest.Podman([]string{"run", "-d", "--uidmap=0:1:1000", "--name", ctrName, ALPINE, "top"})
run.WaitWithDefaultTimeout()
Expect(run.ExitCode()).To(Equal(0))
session := podmanTest.Podman([]string{"inspect", "--format", "{{.ConmonPidFile}}", ctrName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
pidFile := strings.TrimSuffix(session.OutputToString(), "\n")
_, err := ioutil.ReadFile(pidFile)
Expect(err).To(BeNil())
})
It("podman create container with systemd=always triggers systemd mode", func() {
ctrName := "testCtr"
run := podmanTest.Podman([]string{"create", "--name", ctrName, "--systemd", "always", ALPINE})
run.WaitWithDefaultTimeout()
Expect(run.ExitCode()).To(Equal(0))
result := podmanTest.Podman([]string{"inspect", ctrName})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
conData := result.InspectContainerToJSON()
Expect(len(conData)).To(Equal(1))
Expect(conData[0].Config.SystemdMode).To(BeTrue())
})
It("podman run --systemd container should NOT mount /run noexec", func() {
session := podmanTest.Podman([]string{"run", "--systemd", "always", ALPINE, "sh", "-c", "mount | grep \"/run \""})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(Not(ContainSubstring("noexec")))
})
})
|
