github.com/opsramp/moby@v1.13.1/integration-cli/docker_cli_import_test.go (about) 1 package main 2 3 import ( 4 "bufio" 5 "compress/gzip" 6 "io/ioutil" 7 "os" 8 "os/exec" 9 "regexp" 10 "strings" 11 12 "github.com/docker/docker/pkg/integration/checker" 13 icmd "github.com/docker/docker/pkg/integration/cmd" 14 "github.com/go-check/check" 15 ) 16 17 func (s *DockerSuite) TestImportDisplay(c *check.C) { 18 testRequires(c, DaemonIsLinux) 19 out, _ := dockerCmd(c, "run", "-d", "busybox", "true") 20 cleanedContainerID := strings.TrimSpace(out) 21 22 out, _, err := runCommandPipelineWithOutput( 23 exec.Command(dockerBinary, "export", cleanedContainerID), 24 exec.Command(dockerBinary, "import", "-"), 25 ) 26 c.Assert(err, checker.IsNil) 27 28 c.Assert(out, checker.Count, "\n", 1, check.Commentf("display is expected 1 '\\n' but didn't")) 29 30 image := strings.TrimSpace(out) 31 out, _ = dockerCmd(c, "run", "--rm", image, "true") 32 c.Assert(out, checker.Equals, "", check.Commentf("command output should've been nothing.")) 33 } 34 35 func (s *DockerSuite) TestImportBadURL(c *check.C) { 36 out, _, err := dockerCmdWithError("import", "http://nourl/bad") 37 c.Assert(err, checker.NotNil, check.Commentf("import was supposed to fail but didn't")) 38 // Depending on your system you can get either of these errors 39 if !strings.Contains(out, "dial tcp") && 40 !strings.Contains(out, "ApplyLayer exit status 1 stdout: stderr: archive/tar: invalid tar header") && 41 !strings.Contains(out, "Error processing tar file") { 42 c.Fatalf("expected an error msg but didn't get one.\nErr: %v\nOut: %v", err, out) 43 } 44 } 45 46 func (s *DockerSuite) TestImportFile(c *check.C) { 47 testRequires(c, DaemonIsLinux) 48 dockerCmd(c, "run", "--name", "test-import", "busybox", "true") 49 50 temporaryFile, err := ioutil.TempFile("", "exportImportTest") 51 c.Assert(err, checker.IsNil, check.Commentf("failed to create temporary file")) 52 defer os.Remove(temporaryFile.Name()) 53 54 runCmd := exec.Command(dockerBinary, "export", "test-import") 55 runCmd.Stdout = bufio.NewWriter(temporaryFile) 56 57 _, err = runCommand(runCmd) 58 c.Assert(err, checker.IsNil, check.Commentf("failed to export a container")) 59 60 out, _ := dockerCmd(c, "import", temporaryFile.Name()) 61 c.Assert(out, checker.Count, "\n", 1, check.Commentf("display is expected 1 '\\n' but didn't")) 62 image := strings.TrimSpace(out) 63 64 out, _ = dockerCmd(c, "run", "--rm", image, "true") 65 c.Assert(out, checker.Equals, "", check.Commentf("command output should've been nothing.")) 66 } 67 68 func (s *DockerSuite) TestImportGzipped(c *check.C) { 69 testRequires(c, DaemonIsLinux) 70 dockerCmd(c, "run", "--name", "test-import", "busybox", "true") 71 72 temporaryFile, err := ioutil.TempFile("", "exportImportTest") 73 c.Assert(err, checker.IsNil, check.Commentf("failed to create temporary file")) 74 defer os.Remove(temporaryFile.Name()) 75 76 runCmd := exec.Command(dockerBinary, "export", "test-import") 77 w := gzip.NewWriter(temporaryFile) 78 runCmd.Stdout = w 79 80 _, err = runCommand(runCmd) 81 c.Assert(err, checker.IsNil, check.Commentf("failed to export a container")) 82 err = w.Close() 83 c.Assert(err, checker.IsNil, check.Commentf("failed to close gzip writer")) 84 temporaryFile.Close() 85 out, _ := dockerCmd(c, "import", temporaryFile.Name()) 86 c.Assert(out, checker.Count, "\n", 1, check.Commentf("display is expected 1 '\\n' but didn't")) 87 image := strings.TrimSpace(out) 88 89 out, _ = dockerCmd(c, "run", "--rm", image, "true") 90 c.Assert(out, checker.Equals, "", check.Commentf("command output should've been nothing.")) 91 } 92 93 func (s *DockerSuite) TestImportFileWithMessage(c *check.C) { 94 testRequires(c, DaemonIsLinux) 95 dockerCmd(c, "run", "--name", "test-import", "busybox", "true") 96 97 temporaryFile, err := ioutil.TempFile("", "exportImportTest") 98 c.Assert(err, checker.IsNil, check.Commentf("failed to create temporary file")) 99 defer os.Remove(temporaryFile.Name()) 100 101 runCmd := exec.Command(dockerBinary, "export", "test-import") 102 runCmd.Stdout = bufio.NewWriter(temporaryFile) 103 104 _, err = runCommand(runCmd) 105 c.Assert(err, checker.IsNil, check.Commentf("failed to export a container")) 106 107 message := "Testing commit message" 108 out, _ := dockerCmd(c, "import", "-m", message, temporaryFile.Name()) 109 c.Assert(out, checker.Count, "\n", 1, check.Commentf("display is expected 1 '\\n' but didn't")) 110 image := strings.TrimSpace(out) 111 112 out, _ = dockerCmd(c, "history", image) 113 split := strings.Split(out, "\n") 114 115 c.Assert(split, checker.HasLen, 3, check.Commentf("expected 3 lines from image history")) 116 r := regexp.MustCompile("[\\s]{2,}") 117 split = r.Split(split[1], -1) 118 119 c.Assert(message, checker.Equals, split[3], check.Commentf("didn't get expected value in commit message")) 120 121 out, _ = dockerCmd(c, "run", "--rm", image, "true") 122 c.Assert(out, checker.Equals, "", check.Commentf("command output should've been nothing")) 123 } 124 125 func (s *DockerSuite) TestImportFileNonExistentFile(c *check.C) { 126 _, _, err := dockerCmdWithError("import", "example.com/myImage.tar") 127 c.Assert(err, checker.NotNil, check.Commentf("import non-existing file must failed")) 128 } 129 130 func (s *DockerSuite) TestImportWithQuotedChanges(c *check.C) { 131 testRequires(c, DaemonIsLinux) 132 dockerCmd(c, "run", "--name", "test-import", "busybox", "true") 133 134 temporaryFile, err := ioutil.TempFile("", "exportImportTest") 135 c.Assert(err, checker.IsNil, check.Commentf("failed to create temporary file")) 136 defer os.Remove(temporaryFile.Name()) 137 138 result := icmd.RunCmd(icmd.Cmd{ 139 Command: binaryWithArgs("export", "test-import"), 140 Stdout: bufio.NewWriter(temporaryFile), 141 }) 142 c.Assert(result, icmd.Matches, icmd.Success) 143 144 result = dockerCmdWithResult("import", "-c", `ENTRYPOINT ["/bin/sh", "-c"]`, temporaryFile.Name()) 145 c.Assert(result, icmd.Matches, icmd.Success) 146 image := strings.TrimSpace(result.Stdout()) 147 148 result = dockerCmdWithResult("run", "--rm", image, "true") 149 c.Assert(result, icmd.Matches, icmd.Expected{Out: icmd.None}) 150 }