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() { 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() { 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(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", "--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()) }) 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"))) }) })