package integration import ( "fmt" "os" "strings" . "github.com/containers/podman/v2/test/utils" . "github.com/onsi/ginkgo" . "github.com/onsi/gomega" ) var _ = Describe("Podman exec", func() { var ( tempdir string err error podmanTest *PodmanTestIntegration ) BeforeEach(func() { tempdir, err = CreateTempDirInTempDir() if err != nil { os.Exit(1) } podmanTest = PodmanTestCreate(tempdir) podmanTest.Setup() podmanTest.SeedImages() }) AfterEach(func() { podmanTest.Cleanup() f := CurrentGinkgoTestDescription() processTestResult(f) }) It("podman exec into bogus container", func() { session := podmanTest.Podman([]string{"exec", "foobar", "ls"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(125)) }) It("podman exec without command", func() { session := podmanTest.Podman([]string{"exec", "foobar"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(125)) }) It("podman exec simple command", func() { setup := podmanTest.RunTopContainer("test1") setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) session := podmanTest.Podman([]string{"exec", "test1", "ls"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) }) It("podman container exec simple command", func() { setup := podmanTest.RunTopContainer("test1") setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) session := podmanTest.Podman([]string{"container", "exec", "test1", "ls"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) }) It("podman exec simple command using latest", func() { setup := podmanTest.RunTopContainer("test1") setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) cid := "-l" if IsRemote() { cid = "test1" } session := podmanTest.Podman([]string{"exec", cid, "ls"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) }) It("podman exec environment test", func() { setup := podmanTest.RunTopContainer("test1") setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) session := podmanTest.Podman([]string{"exec", "--env", "FOO=BAR", "test1", "printenv", "FOO"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) Expect(session.OutputToString()).To(Equal("BAR")) session = podmanTest.Podman([]string{"exec", "--env", "PATH=/bin", "test1", "printenv", "PATH"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) Expect(session.OutputToString()).To(Equal("/bin")) }) It("podman exec os.Setenv env", func() { // remote doesn't properly interpret os.Setenv setup := podmanTest.RunTopContainer("test1") setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) os.Setenv("FOO", "BAR") session := podmanTest.Podman([]string{"exec", "--env", "FOO", "test1", "printenv", "FOO"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) Expect(session.OutputToString()).To(Equal("BAR")) os.Unsetenv("FOO") }) It("podman exec exit code", func() { setup := podmanTest.RunTopContainer("test1") setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) session := podmanTest.Podman([]string{"exec", "test1", "sh", "-c", "exit 100"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(100)) }) It("podman exec --privileged", func() { hostCap := SystemExec("awk", []string{"/^CapEff/ { print $2 }", "/proc/self/status"}) Expect(hostCap.ExitCode()).To(Equal(0)) setup := podmanTest.RunTopContainer("test-privileged") setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) session := podmanTest.Podman([]string{"exec", "--privileged", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) containerCapMatchesHost(session.OutputToString(), hostCap.OutputToString()) }) It("podman exec terminal doesn't hang", func() { setup := podmanTest.Podman([]string{"run", "-dti", "--name", "test1", fedoraMinimal, "sleep", "+Inf"}) setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) for i := 0; i < 5; i++ { session := podmanTest.Podman([]string{"exec", "-ti", "test1", "true"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) } }) It("podman exec pseudo-terminal sanity check", func() { setup := podmanTest.Podman([]string{"run", "--detach", "--name", "test1", fedoraMinimal, "sleep", "+Inf"}) setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) session := podmanTest.Podman([]string{"exec", "--interactive", "--tty", "test1", "/usr/bin/stty", "--all"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) Expect(session.OutputToString()).To(ContainSubstring(" onlcr")) }) It("podman exec simple command with user", func() { setup := podmanTest.RunTopContainer("test1") setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) session := podmanTest.Podman([]string{"exec", "--user", "root", "test1", "ls"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) }) It("podman exec with user only in container", func() { testUser := "test123" setup := podmanTest.Podman([]string{"run", "--name", "test1", "-d", fedoraMinimal, "sleep", "60"}) setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) session := podmanTest.Podman([]string{"exec", "test1", "useradd", testUser}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) session2 := podmanTest.Podman([]string{"exec", "--user", testUser, "test1", "whoami"}) session2.WaitWithDefaultTimeout() Expect(session2.ExitCode()).To(Equal(0)) Expect(session2.OutputToString()).To(Equal(testUser)) }) It("podman exec with user from run", func() { testUser := "guest" setup := podmanTest.Podman([]string{"run", "--user", testUser, "-d", ALPINE, "top"}) setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) ctrID := setup.OutputToString() session := podmanTest.Podman([]string{"exec", ctrID, "whoami"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) Expect(session.OutputToString()).To(ContainSubstring(testUser)) overrideUser := "root" session = podmanTest.Podman([]string{"exec", "--user", overrideUser, ctrID, "whoami"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) Expect(session.OutputToString()).To(ContainSubstring(overrideUser)) }) It("podman exec simple working directory test", func() { setup := podmanTest.RunTopContainer("test1") setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) session := podmanTest.Podman([]string{"exec", "--workdir", "/tmp", "test1", "pwd"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) Expect(session.OutputToString()).To(Equal("/tmp")) session = podmanTest.Podman([]string{"exec", "-w", "/tmp", "test1", "pwd"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) Expect(session.OutputToString()).To(Equal("/tmp")) }) It("podman exec missing working directory test", func() { setup := podmanTest.RunTopContainer("test1") setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) session := podmanTest.Podman([]string{"exec", "--workdir", "/missing", "test1", "pwd"}) session.WaitWithDefaultTimeout() Expect(session).To(ExitWithError()) session = podmanTest.Podman([]string{"exec", "-w", "/missing", "test1", "pwd"}) session.WaitWithDefaultTimeout() Expect(session).To(ExitWithError()) }) It("podman exec cannot be invoked", func() { setup := podmanTest.RunTopContainer("test1") setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) session := podmanTest.Podman([]string{"exec", "test1", "/etc"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(126)) }) It("podman exec command not found", func() { setup := podmanTest.RunTopContainer("test1") setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) session := podmanTest.Podman([]string{"exec", "test1", "notthere"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(127)) }) It("podman exec preserve fds sanity check", func() { setup := podmanTest.RunTopContainer("test1") setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) devNull, err := os.Open("/dev/null") Expect(err).To(BeNil()) defer devNull.Close() files := []*os.File{ devNull, } session := podmanTest.PodmanExtraFiles([]string{"exec", "--preserve-fds", "1", "test1", "ls"}, files) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) }) It("podman exec preserves --group-add groups", func() { groupName := "group1" gid := "4444" ctrName1 := "ctr1" ctr1 := podmanTest.Podman([]string{"run", "-ti", "--name", ctrName1, fedoraMinimal, "groupadd", "-g", gid, groupName}) ctr1.WaitWithDefaultTimeout() Expect(ctr1.ExitCode()).To(Equal(0)) imgName := "img1" commit := podmanTest.Podman([]string{"commit", ctrName1, imgName}) commit.WaitWithDefaultTimeout() Expect(commit.ExitCode()).To(Equal(0)) ctrName2 := "ctr2" ctr2 := podmanTest.Podman([]string{"run", "-d", "--name", ctrName2, "--group-add", groupName, imgName, "sleep", "300"}) ctr2.WaitWithDefaultTimeout() Expect(ctr2.ExitCode()).To(Equal(0)) exec := podmanTest.Podman([]string{"exec", "-ti", ctrName2, "id"}) exec.WaitWithDefaultTimeout() Expect(exec.ExitCode()).To(Equal(0)) Expect(exec.OutputToString()).To(ContainSubstring(fmt.Sprintf("%s(%s)", gid, groupName))) }) It("podman exec preserves container groups with --user and --group-add", func() { dockerfile := `FROM registry.fedoraproject.org/fedora-minimal RUN groupadd -g 4000 first RUN groupadd -g 4001 second RUN useradd -u 1000 auser` imgName := "testimg" podmanTest.BuildImage(dockerfile, imgName, "false") ctrName := "testctr" ctr := podmanTest.Podman([]string{"run", "-t", "-i", "-d", "--name", ctrName, "--user", "auser:first", "--group-add", "second", imgName, "sleep", "300"}) ctr.WaitWithDefaultTimeout() Expect(ctr.ExitCode()).To(Equal(0)) exec := podmanTest.Podman([]string{"exec", "-t", ctrName, "id"}) exec.WaitWithDefaultTimeout() Expect(exec.ExitCode()).To(Equal(0)) output := exec.OutputToString() Expect(output).To(ContainSubstring("4000(first)")) Expect(output).To(ContainSubstring("4001(second)")) Expect(output).To(ContainSubstring("1000(auser)")) // Kill the container just so the test does not take 15 seconds to stop. kill := podmanTest.Podman([]string{"kill", ctrName}) kill.WaitWithDefaultTimeout() Expect(kill.ExitCode()).To(Equal(0)) }) It("podman exec --detach", func() { ctrName := "testctr" ctr := podmanTest.Podman([]string{"run", "-t", "-i", "-d", "--name", ctrName, ALPINE, "top"}) ctr.WaitWithDefaultTimeout() Expect(ctr.ExitCode()).To(Equal(0)) exec1 := podmanTest.Podman([]string{"exec", "-t", "-i", "-d", ctrName, "top"}) exec1.WaitWithDefaultTimeout() Expect(ctr.ExitCode()).To(Equal(0)) data := podmanTest.InspectContainer(ctrName) Expect(len(data)).To(Equal(1)) Expect(len(data[0].ExecIDs)).To(Equal(1)) Expect(exec1.OutputToString()).To(ContainSubstring(data[0].ExecIDs[0])) exec2 := podmanTest.Podman([]string{"exec", "-t", "-i", ctrName, "ps", "-a"}) exec2.WaitWithDefaultTimeout() Expect(ctr.ExitCode()).To(Equal(0)) Expect(strings.Count(exec2.OutputToString(), "top")).To(Equal(2)) // Ensure that stop with a running detached exec session is // clean. stop := podmanTest.Podman([]string{"stop", ctrName}) stop.WaitWithDefaultTimeout() Expect(stop.ExitCode()).To(Equal(0)) }) })