| package main |
| |
| import ( |
| "fmt" |
| "os" |
| "os/exec" |
| "testing" |
| ) |
| |
| // export an image and try to import it into a new one |
| func TestExportContainerAndImportImage(t *testing.T) { |
| runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true") |
| out, _, err := runCommandWithOutput(runCmd) |
| if err != nil { |
| t.Fatal("failed to create a container", out, err) |
| } |
| |
| cleanedContainerID := stripTrailingCharacters(out) |
| |
| inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID) |
| out, _, err = runCommandWithOutput(inspectCmd) |
| if err != nil { |
| t.Fatalf("output should've been a container id: %s %s ", cleanedContainerID, err) |
| } |
| |
| exportCmdTemplate := `%v export %v > /tmp/testexp.tar` |
| exportCmdFinal := fmt.Sprintf(exportCmdTemplate, dockerBinary, cleanedContainerID) |
| exportCmd := exec.Command("bash", "-c", exportCmdFinal) |
| out, _, err = runCommandWithOutput(exportCmd) |
| errorOut(err, t, fmt.Sprintf("failed to export container: %v %v", out, err)) |
| |
| importCmdFinal := `cat /tmp/testexp.tar | docker import - testexp` |
| importCmd := exec.Command("bash", "-c", importCmdFinal) |
| out, _, err = runCommandWithOutput(importCmd) |
| errorOut(err, t, fmt.Sprintf("failed to import image: %v %v", out, err)) |
| |
| cleanedImageID := stripTrailingCharacters(out) |
| |
| inspectCmd = exec.Command(dockerBinary, "inspect", cleanedImageID) |
| out, _, err = runCommandWithOutput(inspectCmd) |
| errorOut(err, t, fmt.Sprintf("output should've been an image id: %v %v", out, err)) |
| |
| deleteContainer(cleanedContainerID) |
| deleteImages("testexp") |
| |
| os.Remove("/tmp/testexp.tar") |
| |
| logDone("export - export a container") |
| logDone("import - import an image") |
| } |