github.com/guilhermebr/docker@v1.4.2-0.20150428121140-67da055cebca/integration-cli/docker_cli_export_import_test.go (about) 1 package main 2 3 import ( 4 "os" 5 "os/exec" 6 "strings" 7 8 "github.com/go-check/check" 9 ) 10 11 // export an image and try to import it into a new one 12 func (s *DockerSuite) TestExportContainerAndImportImage(c *check.C) { 13 containerID := "testexportcontainerandimportimage" 14 15 runCmd := exec.Command(dockerBinary, "run", "-d", "--name", containerID, "busybox", "true") 16 out, _, err := runCommandWithOutput(runCmd) 17 if err != nil { 18 c.Fatal("failed to create a container", out, err) 19 } 20 21 inspectCmd := exec.Command(dockerBinary, "inspect", containerID) 22 out, _, err = runCommandWithOutput(inspectCmd) 23 if err != nil { 24 c.Fatalf("output should've been a container id: %s %s ", containerID, err) 25 } 26 27 exportCmd := exec.Command(dockerBinary, "export", containerID) 28 if out, _, err = runCommandWithOutput(exportCmd); err != nil { 29 c.Fatalf("failed to export container: %s, %v", out, err) 30 } 31 32 importCmd := exec.Command(dockerBinary, "import", "-", "repo/testexp:v1") 33 importCmd.Stdin = strings.NewReader(out) 34 out, _, err = runCommandWithOutput(importCmd) 35 if err != nil { 36 c.Fatalf("failed to import image: %s, %v", out, err) 37 } 38 39 cleanedImageID := strings.TrimSpace(out) 40 41 inspectCmd = exec.Command(dockerBinary, "inspect", cleanedImageID) 42 if out, _, err = runCommandWithOutput(inspectCmd); err != nil { 43 c.Fatalf("output should've been an image id: %s, %v", out, err) 44 } 45 46 } 47 48 // Used to test output flag in the export command 49 func (s *DockerSuite) TestExportContainerWithOutputAndImportImage(c *check.C) { 50 containerID := "testexportcontainerwithoutputandimportimage" 51 52 runCmd := exec.Command(dockerBinary, "run", "-d", "--name", containerID, "busybox", "true") 53 out, _, err := runCommandWithOutput(runCmd) 54 if err != nil { 55 c.Fatal("failed to create a container", out, err) 56 } 57 58 inspectCmd := exec.Command(dockerBinary, "inspect", containerID) 59 out, _, err = runCommandWithOutput(inspectCmd) 60 if err != nil { 61 c.Fatalf("output should've been a container id: %s %s ", containerID, err) 62 } 63 64 defer os.Remove("testexp.tar") 65 66 exportCmd := exec.Command(dockerBinary, "export", "--output=testexp.tar", containerID) 67 if out, _, err = runCommandWithOutput(exportCmd); err != nil { 68 c.Fatalf("failed to export container: %s, %v", out, err) 69 } 70 71 out, _, err = runCommandWithOutput(exec.Command("cat", "testexp.tar")) 72 if err != nil { 73 c.Fatal(out, err) 74 } 75 76 importCmd := exec.Command(dockerBinary, "import", "-", "repo/testexp:v1") 77 importCmd.Stdin = strings.NewReader(out) 78 out, _, err = runCommandWithOutput(importCmd) 79 if err != nil { 80 c.Fatalf("failed to import image: %s, %v", out, err) 81 } 82 83 cleanedImageID := strings.TrimSpace(out) 84 85 inspectCmd = exec.Command(dockerBinary, "inspect", cleanedImageID) 86 if out, _, err = runCommandWithOutput(inspectCmd); err != nil { 87 c.Fatalf("output should've been an image id: %s, %v", out, err) 88 } 89 90 }