diff options
Diffstat (limited to 'test/e2e/cp_test.go')
-rw-r--r-- | test/e2e/cp_test.go | 322 |
1 files changed, 97 insertions, 225 deletions
diff --git a/test/e2e/cp_test.go b/test/e2e/cp_test.go index c1d3be5ab..33908b60e 100644 --- a/test/e2e/cp_test.go +++ b/test/e2e/cp_test.go @@ -4,14 +4,18 @@ import ( "io/ioutil" "os" "os/exec" + "os/user" "path/filepath" - "strings" . "github.com/containers/podman/v2/test/utils" . "github.com/onsi/ginkgo" . "github.com/onsi/gomega" ) +// NOTE: Only smoke tests. The system tests (i.e., "./test/system/*") take +// care of function and regression tests. Please consider adding system tests +// rather than e2e tests. System tests are used in RHEL gating. + var _ = Describe("Podman cp", func() { var ( tempdir string @@ -37,240 +41,108 @@ var _ = Describe("Podman cp", func() { }) + // Copy a file to the container, then back to the host and make sure + // that the contents match. It("podman cp file", func() { - srcPath := filepath.Join(podmanTest.RunRoot, "cp_test.txt") - dstPath := filepath.Join(podmanTest.RunRoot, "cp_from_container") - fromHostToContainer := []byte("copy from host to container") - - session := podmanTest.Podman([]string{"create", ALPINE, "cat", "foo"}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - name := session.OutputToString() - - err := ioutil.WriteFile(srcPath, fromHostToContainer, 0644) + srcFile, err := ioutil.TempFile("", "") Expect(err).To(BeNil()) + defer srcFile.Close() + defer os.Remove(srcFile.Name()) - session = podmanTest.Podman([]string{"cp", srcPath, name + ":foo/"}) - session.WaitWithDefaultTimeout() - Expect(session).To(ExitWithError()) - - session = podmanTest.Podman([]string{"cp", srcPath, name + ":foo"}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - - session = podmanTest.Podman([]string{"cp", name + ":foo", dstPath}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - - session = podmanTest.Podman([]string{"start", name}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - }) - - It("podman cp file to dir", func() { - name := "testctr" - setup := podmanTest.RunTopContainer(name) - setup.WaitWithDefaultTimeout() - Expect(setup.ExitCode()).To(Equal(0)) - - srcPath := "/tmp/cp_test.txt" - fromHostToContainer := []byte("copy from host to container directory") - err := ioutil.WriteFile(srcPath, fromHostToContainer, 0644) + originalContent := []byte("podman cp file test") + err = ioutil.WriteFile(srcFile.Name(), originalContent, 0644) Expect(err).To(BeNil()) - session := podmanTest.Podman([]string{"exec", name, "mkdir", "foodir"}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - - session = podmanTest.Podman([]string{"cp", srcPath, name + ":foodir/"}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - - session = podmanTest.Podman([]string{"exec", name, "ls", "foodir/cp_test.txt"}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - - os.Remove("/tmp/cp_test.txt") - }) - - It("podman cp dir to dir", func() { - testDirPath := filepath.Join(podmanTest.RunRoot, "TestDir1") - - session := podmanTest.Podman([]string{"create", ALPINE, "ls", "/foodir"}) + // Create a container. NOTE that container mustn't be running for copying. + session := podmanTest.Podman([]string{"create", ALPINE}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) name := session.OutputToString() - err := os.Mkdir(testDirPath, 0755) - Expect(err).To(BeNil()) - defer os.RemoveAll(testDirPath) - - session = podmanTest.Podman([]string{"cp", testDirPath, name + ":/foodir"}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - - session = podmanTest.Podman([]string{"cp", testDirPath, name + ":/foodir"}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - - testctr := "testctr" - setup := podmanTest.RunTopContainer(testctr) - setup.WaitWithDefaultTimeout() - Expect(setup.ExitCode()).To(Equal(0)) + // Copy TO the container. - session = podmanTest.Podman([]string{"exec", testctr, "mkdir", "foo"}) + // Cannot copy to a non-existent path (note the trailing "/"). + session = podmanTest.Podman([]string{"cp", srcFile.Name(), name + ":foo/"}) session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - - session = podmanTest.Podman([]string{"cp", testDirPath + "/.", testctr + ":/foo"}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - session = podmanTest.Podman([]string{"exec", testctr, "ls", "foo"}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - Expect(len(session.OutputToString())).To(Equal(0)) + Expect(session).To(ExitWithError()) - session = podmanTest.Podman([]string{"cp", testctr + ":/foo/.", testDirPath}) + // The file will now be created (and written to). + session = podmanTest.Podman([]string{"cp", srcFile.Name(), name + ":foo"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) - cmd := exec.Command("ls", testDirPath) - res, err := cmd.Output() - Expect(err).To(BeNil()) - Expect(len(res)).To(Equal(0)) - }) - It("podman cp stdin/stdout", func() { - SkipIfRemote("FIXME: podman-remote cp not implemented yet") - session := podmanTest.Podman([]string{"create", ALPINE, "ls", "foo"}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - name := session.OutputToString() + // Copy FROM the container. - testDirPath := filepath.Join(podmanTest.RunRoot, "TestDir2") - err := os.Mkdir(testDirPath, 0755) - Expect(err).To(BeNil()) - defer os.RemoveAll(testDirPath) - cmd := exec.Command("tar", "-zcvf", "file.tar.gz", testDirPath) - _, err = cmd.Output() + destFile, err := ioutil.TempFile("", "") Expect(err).To(BeNil()) + defer destFile.Close() + defer os.Remove(destFile.Name()) - data, err := ioutil.ReadFile("foo.tar.gz") - reader := strings.NewReader(string(data)) - cmd.Stdin = reader - session = podmanTest.Podman([]string{"cp", "-", name + ":/foo"}) + session = podmanTest.Podman([]string{"cp", name + ":foo", destFile.Name()}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) - session = podmanTest.Podman([]string{"cp", "file.tar.gz", name + ":/foo.tar.gz"}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - session = podmanTest.Podman([]string{"cp", name + ":/foo.tar.gz", "-"}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - - os.Remove("file.tar.gz") - }) - - It("podman cp tar", func() { - testctr := "testctr" - setup := podmanTest.RunTopContainer(testctr) - setup.WaitWithDefaultTimeout() - Expect(setup.ExitCode()).To(Equal(0)) - - session := podmanTest.Podman([]string{"exec", testctr, "mkdir", "foo"}) + session = podmanTest.Podman([]string{"start", name}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) - path, err := os.Getwd() - Expect(err).To(BeNil()) - testDirPath := filepath.Join(path, "TestDir3") - err = os.Mkdir(testDirPath, 0777) + // Now make sure the content matches. + roundtripContent, err := ioutil.ReadFile(destFile.Name()) Expect(err).To(BeNil()) - defer os.RemoveAll(testDirPath) - cmd := exec.Command("tar", "-cvf", "file.tar", testDirPath) - _, err = cmd.Output() - Expect(err).To(BeNil()) - - session = podmanTest.Podman([]string{"cp", "file.tar", "testctr:/foo/"}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - - session = podmanTest.Podman([]string{"exec", testctr, "ls", "-l", "foo"}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - Expect(session.OutputToString()).To(ContainSubstring("file.tar")) - - os.Remove("file.tar") + Expect(roundtripContent).To(Equal(originalContent)) }) - It("podman cp tar --extract", func() { - testctr := "testctr" - setup := podmanTest.RunTopContainer(testctr) - setup.WaitWithDefaultTimeout() - Expect(setup.ExitCode()).To(Equal(0)) - - session := podmanTest.Podman([]string{"exec", testctr, "mkdir", "/foo"}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - - path, err := os.Getwd() - Expect(err).To(BeNil()) - testDirPath := filepath.Join(path, "TestDir4") - err = os.Mkdir(testDirPath, 0777) - Expect(err).To(BeNil()) - defer os.RemoveAll(testDirPath) - f, err := os.Create(filepath.Join(testDirPath, "a.txt")) - Expect(err).To(BeNil()) - _, err = f.Write([]byte("Hello World!!!\n")) - f.Close() - cmd := exec.Command("tar", "-cvf", "file.tar", "TestDir4") - exec.Command("tar", "-cvf", "/home/mvasek/file.tar", testDirPath) - _, err = cmd.Output() + // Create a symlink in the container, use it as a copy destination and + // make sure that the link and the resolved path are accessible and + // give the right content. + It("podman cp symlink", func() { + srcFile, err := ioutil.TempFile("", "") Expect(err).To(BeNil()) - defer os.Remove("file.tar") + defer srcFile.Close() + defer os.Remove(srcFile.Name()) - session = podmanTest.Podman([]string{"cp", "--extract", "file.tar", "testctr:/foo/"}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - - session = podmanTest.Podman([]string{"exec", testctr, "cat", "/foo/TestDir4/a.txt"}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - Expect(session.OutputToString()).To(ContainSubstring("Hello World!!!")) - }) + originalContent := []byte("podman cp symlink test") + err = ioutil.WriteFile(srcFile.Name(), originalContent, 0644) + Expect(err).To(BeNil()) - It("podman cp symlink", func() { session := podmanTest.Podman([]string{"run", "-d", ALPINE, "top"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) name := session.OutputToString() - srcPath := filepath.Join(podmanTest.RunRoot, "cp_test.txt") - fromHostToContainer := []byte("copy from host to container") - err := ioutil.WriteFile(srcPath, fromHostToContainer, 0644) - Expect(err).To(BeNil()) - session = podmanTest.Podman([]string{"exec", name, "ln", "-s", "/tmp", "/test"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) - session = podmanTest.Podman([]string{"cp", "--pause=false", srcPath, name + ":/test"}) + session = podmanTest.Podman([]string{"cp", "--pause=false", srcFile.Name(), name + ":/test"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) - _, err = os.Stat("/tmp/cp_test.txt") - Expect(err).To(Not(BeNil())) - - session = podmanTest.Podman([]string{"exec", name, "ln", "-s", "/tmp/nonesuch", "/test1"}) + session = podmanTest.Podman([]string{"exec", name, "cat", "/tmp/" + filepath.Base(srcFile.Name())}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) + Expect(session.OutputToString()).To(ContainSubstring(string(originalContent))) - session = podmanTest.Podman([]string{"cp", "--pause=false", srcPath, name + ":/test1/"}) + session = podmanTest.Podman([]string{"exec", name, "cat", "/test/" + filepath.Base(srcFile.Name())}) session.WaitWithDefaultTimeout() - Expect(session).To(ExitWithError()) - + Expect(session.ExitCode()).To(Equal(0)) + Expect(session.OutputToString()).To(ContainSubstring(string(originalContent))) }) + + // Copy a file to a volume in the container. The tricky part is that + // containers mustn't be running for copying, so Podman has to do some + // intense Yoga and 1) detect volume paths on the container, 2) resolve + // the path to the volume's mount point on the host, and 3) copy the + // data to the volume and not the container. It("podman cp volume", func() { + srcFile, err := ioutil.TempFile("", "") + Expect(err).To(BeNil()) + defer srcFile.Close() + defer os.Remove(srcFile.Name()) + + originalContent := []byte("podman cp volume") + err = ioutil.WriteFile(srcFile.Name(), originalContent, 0644) + Expect(err).To(BeNil()) session := podmanTest.Podman([]string{"volume", "create", "data"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) @@ -279,23 +151,31 @@ var _ = Describe("Podman cp", func() { session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) - err = ioutil.WriteFile("cp_vol", []byte("copy to the volume"), 0644) - if err != nil { - os.Exit(1) - } - session = podmanTest.Podman([]string{"cp", "cp_vol", "container1" + ":/data/cp_vol1"}) + session = podmanTest.Podman([]string{"cp", srcFile.Name(), "container1" + ":/data/file.txt"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) - session = podmanTest.Podman([]string{"cp", "container1" + ":/data/cp_vol1", "cp_vol2"}) + // Now get the volume's mount point, read the file and make + // sure the contents match. + session = podmanTest.Podman([]string{"volume", "inspect", "data", "--format", "{{.Mountpoint}}"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) - os.Remove("cp_vol") - os.Remove("cp_vol2") + volumeMountPoint := session.OutputToString() + copiedContent, err := ioutil.ReadFile(filepath.Join(volumeMountPoint, "file.txt")) + Expect(err).To(BeNil()) + Expect(copiedContent).To(Equal(originalContent)) }) + // Create another user in the container, let them create a file, copy + // it to the host and back to the container and make sure that we can + // access it, and (roughly) the right users own it. It("podman cp from ctr chown ", func() { + srcFile, err := ioutil.TempFile("", "") + Expect(err).To(BeNil()) + defer srcFile.Close() + defer os.Remove(srcFile.Name()) + setup := podmanTest.RunTopContainer("testctr") setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) @@ -308,17 +188,19 @@ var _ = Describe("Podman cp", func() { session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) - session = podmanTest.Podman([]string{"cp", "--pause=false", "testctr:/tmp/testfile", "testfile1"}) + session = podmanTest.Podman([]string{"cp", "--pause=false", "testctr:/tmp/testfile", srcFile.Name()}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) // owner of the file copied to local machine is not testuser - cmd := exec.Command("ls", "-l", "testfile1") + u, err := user.Current() + Expect(err).To(BeNil()) + cmd := exec.Command("ls", "-l", srcFile.Name()) cmdRet, err := cmd.Output() Expect(err).To(BeNil()) - Expect(strings.Contains(string(cmdRet), "testuser")).To(BeFalse()) + Expect(string(cmdRet)).To(ContainSubstring(u.Username)) - session = podmanTest.Podman([]string{"cp", "--pause=false", "testfile1", "testctr:testfile2"}) + session = podmanTest.Podman([]string{"cp", "--pause=false", srcFile.Name(), "testctr:testfile2"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) @@ -327,45 +209,35 @@ var _ = Describe("Podman cp", func() { session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) Expect(session.OutputToString()).To(ContainSubstring("root")) - - os.Remove("testfile1") }) - It("podman cp the root directory from the ctr to an existing directory on the host ", func() { - imgName := "test-cp-root-dir:latest" - DockerfileName := "Dockerfile.test-cp-root-dir" - ctrName := "test-container-cp-root" - session := podmanTest.Podman([]string{"build", "-f", "build/" + DockerfileName, "-t", imgName, "build/"}) + // Copy the root dir "/" of a container to the host. + It("podman cp the root directory from the ctr to an existing directory on the host ", func() { + container := "copyroottohost" + session := podmanTest.RunTopContainer(container) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) - testDirPath := filepath.Join(podmanTest.RunRoot, "TestDirForCp") - - session = podmanTest.Podman([]string{"create", "--name", ctrName, imgName, "dummy"}) + session = podmanTest.Podman([]string{"exec", container, "touch", "/dummy.txt"}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) - err := os.Mkdir(testDirPath, 0755) + tmpDir, err := ioutil.TempDir("", "") Expect(err).To(BeNil()) - defer os.RemoveAll(testDirPath) - // Copy the root directory of the container to an existing directory - session = podmanTest.Podman([]string{"cp", ctrName + ":/", testDirPath}) + session = podmanTest.Podman([]string{"cp", container + ":/", tmpDir}) session.WaitWithDefaultTimeout() Expect(session.ExitCode()).To(Equal(0)) - // The file should be in the directory, - // not one layer too much of the directory called merged - checkFile := filepath.Join(testDirPath, DockerfileName) - _, err = os.Stat(checkFile) + cmd := exec.Command("ls", "-la", tmpDir) + output, err := cmd.Output() + lsOutput := string(output) Expect(err).To(BeNil()) - - session = podmanTest.Podman([]string{"container", "rm", ctrName}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) - - session = podmanTest.Podman([]string{"rmi", "-f", imgName}) - session.WaitWithDefaultTimeout() - Expect(session.ExitCode()).To(Equal(0)) + Expect(lsOutput).To(ContainSubstring("dummy.txt")) + Expect(lsOutput).To(ContainSubstring("tmp")) + Expect(lsOutput).To(ContainSubstring("etc")) + Expect(lsOutput).To(ContainSubstring("var")) + Expect(lsOutput).To(ContainSubstring("bin")) + Expect(lsOutput).To(ContainSubstring("usr")) }) }) |