| package main |
| |
| import ( |
| "fmt" |
| "os/exec" |
| "strings" |
| |
| "github.com/go-check/check" |
| ) |
| |
| func (s *DockerSuite) TestRmiWithContainerFails(c *check.C) { |
| errSubstr := "is using it" |
| |
| // create a container |
| runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true") |
| out, _, err := runCommandWithOutput(runCmd) |
| if err != nil { |
| c.Fatalf("failed to create a container: %s, %v", out, err) |
| } |
| |
| cleanedContainerID := strings.TrimSpace(out) |
| |
| // try to delete the image |
| runCmd = exec.Command(dockerBinary, "rmi", "busybox") |
| out, _, err = runCommandWithOutput(runCmd) |
| if err == nil { |
| c.Fatalf("Container %q is using image, should not be able to rmi: %q", cleanedContainerID, out) |
| } |
| if !strings.Contains(out, errSubstr) { |
| c.Fatalf("Container %q is using image, error message should contain %q: %v", cleanedContainerID, errSubstr, out) |
| } |
| |
| // make sure it didn't delete the busybox name |
| images, _ := dockerCmd(c, "images") |
| if !strings.Contains(images, "busybox") { |
| c.Fatalf("The name 'busybox' should not have been removed from images: %q", images) |
| } |
| } |
| |
| func (s *DockerSuite) TestRmiTag(c *check.C) { |
| imagesBefore, _ := dockerCmd(c, "images", "-a") |
| dockerCmd(c, "tag", "busybox", "utest:tag1") |
| dockerCmd(c, "tag", "busybox", "utest/docker:tag2") |
| dockerCmd(c, "tag", "busybox", "utest:5000/docker:tag3") |
| { |
| imagesAfter, _ := dockerCmd(c, "images", "-a") |
| if strings.Count(imagesAfter, "\n") != strings.Count(imagesBefore, "\n")+3 { |
| c.Fatalf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter) |
| } |
| } |
| dockerCmd(c, "rmi", "utest/docker:tag2") |
| { |
| imagesAfter, _ := dockerCmd(c, "images", "-a") |
| if strings.Count(imagesAfter, "\n") != strings.Count(imagesBefore, "\n")+2 { |
| c.Fatalf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter) |
| } |
| |
| } |
| dockerCmd(c, "rmi", "utest:5000/docker:tag3") |
| { |
| imagesAfter, _ := dockerCmd(c, "images", "-a") |
| if strings.Count(imagesAfter, "\n") != strings.Count(imagesBefore, "\n")+1 { |
| c.Fatalf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter) |
| } |
| |
| } |
| dockerCmd(c, "rmi", "utest:tag1") |
| { |
| imagesAfter, _ := dockerCmd(c, "images", "-a") |
| if strings.Count(imagesAfter, "\n") != strings.Count(imagesBefore, "\n")+0 { |
| c.Fatalf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter) |
| } |
| |
| } |
| } |
| |
| func (s *DockerSuite) TestRmiImgIDMultipleTag(c *check.C) { |
| runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "/bin/sh", "-c", "mkdir '/busybox-one'") |
| out, _, err := runCommandWithOutput(runCmd) |
| if err != nil { |
| c.Fatalf("failed to create a container:%s, %v", out, err) |
| } |
| containerID := strings.TrimSpace(out) |
| runCmd = exec.Command(dockerBinary, "commit", containerID, "busybox-one") |
| out, _, err = runCommandWithOutput(runCmd) |
| if err != nil { |
| c.Fatalf("failed to commit a new busybox-one:%s, %v", out, err) |
| } |
| |
| imagesBefore, _ := dockerCmd(c, "images", "-a") |
| dockerCmd(c, "tag", "busybox-one", "busybox-one:tag1") |
| dockerCmd(c, "tag", "busybox-one", "busybox-one:tag2") |
| |
| imagesAfter, _ := dockerCmd(c, "images", "-a") |
| if strings.Count(imagesAfter, "\n") != strings.Count(imagesBefore, "\n")+2 { |
| c.Fatalf("tag busybox to create 2 more images with same imageID; docker images shows: %q\n", imagesAfter) |
| } |
| |
| imgID, err := inspectField("busybox-one:tag1", "Id") |
| c.Assert(err, check.IsNil) |
| |
| // run a container with the image |
| out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "busybox-one", "top")) |
| if err != nil { |
| c.Fatalf("failed to create a container:%s, %v", out, err) |
| } |
| containerID = strings.TrimSpace(out) |
| |
| // first checkout without force it fails |
| out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "rmi", imgID)) |
| expected := fmt.Sprintf("Conflict, cannot delete %s because the running container %s is using it, stop it and use -f to force", imgID[:12], containerID[:12]) |
| if err == nil || !strings.Contains(out, expected) { |
| c.Fatalf("rmi tagged in multiple repos should have failed without force: %s, %v, expected: %s", out, err, expected) |
| } |
| |
| dockerCmd(c, "stop", containerID) |
| dockerCmd(c, "rmi", "-f", imgID) |
| |
| imagesAfter, _ = dockerCmd(c, "images", "-a") |
| if strings.Contains(imagesAfter, imgID[:12]) { |
| c.Fatalf("rmi -f %s failed, image still exists: %q\n\n", imgID, imagesAfter) |
| } |
| |
| } |
| |
| func (s *DockerSuite) TestRmiImgIDForce(c *check.C) { |
| runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "/bin/sh", "-c", "mkdir '/busybox-test'") |
| out, _, err := runCommandWithOutput(runCmd) |
| if err != nil { |
| c.Fatalf("failed to create a container:%s, %v", out, err) |
| } |
| containerID := strings.TrimSpace(out) |
| runCmd = exec.Command(dockerBinary, "commit", containerID, "busybox-test") |
| out, _, err = runCommandWithOutput(runCmd) |
| if err != nil { |
| c.Fatalf("failed to commit a new busybox-test:%s, %v", out, err) |
| } |
| |
| imagesBefore, _ := dockerCmd(c, "images", "-a") |
| dockerCmd(c, "tag", "busybox-test", "utest:tag1") |
| dockerCmd(c, "tag", "busybox-test", "utest:tag2") |
| dockerCmd(c, "tag", "busybox-test", "utest/docker:tag3") |
| dockerCmd(c, "tag", "busybox-test", "utest:5000/docker:tag4") |
| { |
| imagesAfter, _ := dockerCmd(c, "images", "-a") |
| if strings.Count(imagesAfter, "\n") != strings.Count(imagesBefore, "\n")+4 { |
| c.Fatalf("tag busybox to create 4 more images with same imageID; docker images shows: %q\n", imagesAfter) |
| } |
| } |
| imgID, err := inspectField("busybox-test", "Id") |
| c.Assert(err, check.IsNil) |
| |
| // first checkout without force it fails |
| runCmd = exec.Command(dockerBinary, "rmi", imgID) |
| out, _, err = runCommandWithOutput(runCmd) |
| if err == nil || !strings.Contains(out, fmt.Sprintf("Conflict, cannot delete image %s because it is tagged in multiple repositories, use -f to force", imgID)) { |
| c.Fatalf("rmi tagged in multiple repos should have failed without force:%s, %v", out, err) |
| } |
| |
| dockerCmd(c, "rmi", "-f", imgID) |
| { |
| imagesAfter, _ := dockerCmd(c, "images", "-a") |
| if strings.Contains(imagesAfter, imgID[:12]) { |
| c.Fatalf("rmi -f %s failed, image still exists: %q\n\n", imgID, imagesAfter) |
| } |
| |
| } |
| } |
| |
| func (s *DockerSuite) TestRmiTagWithExistingContainers(c *check.C) { |
| container := "test-delete-tag" |
| newtag := "busybox:newtag" |
| bb := "busybox:latest" |
| if out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "tag", bb, newtag)); err != nil { |
| c.Fatalf("Could not tag busybox: %v: %s", err, out) |
| } |
| if out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--name", container, bb, "/bin/true")); err != nil { |
| c.Fatalf("Could not run busybox: %v: %s", err, out) |
| } |
| out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "rmi", newtag)) |
| if err != nil { |
| c.Fatalf("Could not remove tag %s: %v: %s", newtag, err, out) |
| } |
| if d := strings.Count(out, "Untagged: "); d != 1 { |
| c.Fatalf("Expected 1 untagged entry got %d: %q", d, out) |
| } |
| |
| } |
| |
| func (s *DockerSuite) TestRmiForceWithExistingContainers(c *check.C) { |
| |
| image := "busybox-clone" |
| |
| cmd := exec.Command(dockerBinary, "build", "--no-cache", "-t", image, "-") |
| cmd.Stdin = strings.NewReader(`FROM busybox |
| MAINTAINER foo`) |
| |
| if out, _, err := runCommandWithOutput(cmd); err != nil { |
| c.Fatalf("Could not build %s: %s, %v", image, out, err) |
| } |
| |
| if out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--name", "test-force-rmi", image, "/bin/true")); err != nil { |
| c.Fatalf("Could not run container: %s, %v", out, err) |
| } |
| |
| out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "rmi", "-f", image)) |
| if err != nil { |
| c.Fatalf("Could not remove image %s: %s, %v", image, out, err) |
| } |
| |
| } |
| |
| func (s *DockerSuite) TestRmiWithMultipleRepositories(c *check.C) { |
| newRepo := "127.0.0.1:5000/busybox" |
| oldRepo := "busybox" |
| newTag := "busybox:test" |
| cmd := exec.Command(dockerBinary, "tag", oldRepo, newRepo) |
| out, _, err := runCommandWithOutput(cmd) |
| if err != nil { |
| c.Fatalf("Could not tag busybox: %v: %s", err, out) |
| } |
| cmd = exec.Command(dockerBinary, "run", "--name", "test", oldRepo, "touch", "/home/abcd") |
| out, _, err = runCommandWithOutput(cmd) |
| if err != nil { |
| c.Fatalf("failed to run container: %v, output: %s", err, out) |
| } |
| cmd = exec.Command(dockerBinary, "commit", "test", newTag) |
| out, _, err = runCommandWithOutput(cmd) |
| if err != nil { |
| c.Fatalf("failed to commit container: %v, output: %s", err, out) |
| } |
| cmd = exec.Command(dockerBinary, "rmi", newTag) |
| out, _, err = runCommandWithOutput(cmd) |
| if err != nil { |
| c.Fatalf("failed to remove image: %v, output: %s", err, out) |
| } |
| if !strings.Contains(out, "Untagged: "+newTag) { |
| c.Fatalf("Could not remove image %s: %s, %v", newTag, out, err) |
| } |
| |
| } |
| |
| func (s *DockerSuite) TestRmiBlank(c *check.C) { |
| // try to delete a blank image name |
| runCmd := exec.Command(dockerBinary, "rmi", "") |
| out, _, err := runCommandWithOutput(runCmd) |
| |
| if err == nil { |
| c.Fatal("Should have failed to delete '' image") |
| } |
| |
| if strings.Contains(out, "No such image") { |
| c.Fatalf("Wrong error message generated: %s", out) |
| } |
| } |
