docker/integration-cli/docker_cli_export_import_te...

91 строка
2.8 KiB
Go

package main
import (
"os"
"os/exec"
"strings"
"github.com/go-check/check"
)
// export an image and try to import it into a new one
func (s *DockerSuite) TestExportContainerAndImportImage(c *check.C) {
containerID := "testexportcontainerandimportimage"
runCmd := exec.Command(dockerBinary, "run", "-d", "--name", containerID, "busybox", "true")
out, _, err := runCommandWithOutput(runCmd)
if err != nil {
c.Fatal("failed to create a container", out, err)
}
inspectCmd := exec.Command(dockerBinary, "inspect", containerID)
out, _, err = runCommandWithOutput(inspectCmd)
if err != nil {
c.Fatalf("output should've been a container id: %s %s ", containerID, err)
}
exportCmd := exec.Command(dockerBinary, "export", containerID)
if out, _, err = runCommandWithOutput(exportCmd); err != nil {
c.Fatalf("failed to export container: %s, %v", out, err)
}
importCmd := exec.Command(dockerBinary, "import", "-", "repo/testexp:v1")
importCmd.Stdin = strings.NewReader(out)
out, _, err = runCommandWithOutput(importCmd)
if err != nil {
c.Fatalf("failed to import image: %s, %v", out, err)
}
cleanedImageID := strings.TrimSpace(out)
inspectCmd = exec.Command(dockerBinary, "inspect", cleanedImageID)
if out, _, err = runCommandWithOutput(inspectCmd); err != nil {
c.Fatalf("output should've been an image id: %s, %v", out, err)
}
}
// Used to test output flag in the export command
func (s *DockerSuite) TestExportContainerWithOutputAndImportImage(c *check.C) {
containerID := "testexportcontainerwithoutputandimportimage"
runCmd := exec.Command(dockerBinary, "run", "-d", "--name", containerID, "busybox", "true")
out, _, err := runCommandWithOutput(runCmd)
if err != nil {
c.Fatal("failed to create a container", out, err)
}
inspectCmd := exec.Command(dockerBinary, "inspect", containerID)
out, _, err = runCommandWithOutput(inspectCmd)
if err != nil {
c.Fatalf("output should've been a container id: %s %s ", containerID, err)
}
defer os.Remove("testexp.tar")
exportCmd := exec.Command(dockerBinary, "export", "--output=testexp.tar", containerID)
if out, _, err = runCommandWithOutput(exportCmd); err != nil {
c.Fatalf("failed to export container: %s, %v", out, err)
}
out, _, err = runCommandWithOutput(exec.Command("cat", "testexp.tar"))
if err != nil {
c.Fatal(out, err)
}
importCmd := exec.Command(dockerBinary, "import", "-", "repo/testexp:v1")
importCmd.Stdin = strings.NewReader(out)
out, _, err = runCommandWithOutput(importCmd)
if err != nil {
c.Fatalf("failed to import image: %s, %v", out, err)
}
cleanedImageID := strings.TrimSpace(out)
inspectCmd = exec.Command(dockerBinary, "inspect", cleanedImageID)
if out, _, err = runCommandWithOutput(inspectCmd); err != nil {
c.Fatalf("output should've been an image id: %s, %v", out, err)
}
}