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package integration
import (
"io/ioutil"
"os"
"strings"
"time"
. "github.com/containers/podman/v2/test/utils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Podman systemd", func() {
var (
tempdir string
err error
podmanTest *PodmanTestIntegration
systemd_unit_file string
)
BeforeEach(func() {
SkipIfRootless()
tempdir, err = CreateTempDirInTempDir()
if err != nil {
os.Exit(1)
}
podmanTest = PodmanTestCreate(tempdir)
podmanTest.Setup()
podmanTest.SeedImages()
systemd_unit_file = `[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() {
if os.Getenv("SKIP_USERNS") != "" {
Skip("Skip userns tests.")
}
sys_file := ioutil.WriteFile("/etc/systemd/system/redis.service", []byte(systemd_unit_file), 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", "-d", "--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())
})
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 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())
})
})
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