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moby--moby/integration-cli/docker_cli_rmi_test.go

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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
out, _, err := dockerCmdWithError("run", "-d", "busybox", "true")
if err != nil {
c.Fatalf("failed to create a container: %s, %v", out, err)
}
cleanedContainerID := strings.TrimSpace(out)
// try to delete the image
out, _, err = dockerCmdWithError("rmi", "busybox")
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) {
out, _, err := dockerCmdWithError("run", "-d", "busybox", "/bin/sh", "-c", "mkdir '/busybox-one'")
if err != nil {
c.Fatalf("failed to create a container:%s, %v", out, err)
}
containerID := strings.TrimSpace(out)
out, _, err = dockerCmdWithError("commit", containerID, "busybox-one")
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 = dockerCmdWithError("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 = dockerCmdWithError("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) {
out, _, err := dockerCmdWithError("run", "-d", "busybox", "/bin/sh", "-c", "mkdir '/busybox-test'")
if err != nil {
c.Fatalf("failed to create a container:%s, %v", out, err)
}
containerID := strings.TrimSpace(out)
out, _, err = dockerCmdWithError("commit", containerID, "busybox-test")
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
out, _, err = dockerCmdWithError("rmi", imgID)
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)
}
}
}
// See https://github.com/docker/docker/issues/14116
func (s *DockerSuite) TestRmiImageIDForceWithRunningContainersAndMultipleTags(c *check.C) {
dockerfile := "FROM busybox\nRUN echo test 14116\n"
imgID, err := buildImage("test-14116", dockerfile, false)
c.Assert(err, check.IsNil)
newTag := "newtag"
dockerCmd(c, "tag", imgID, newTag)
dockerCmd(c, "run", "-d", imgID, "top")
out, _, err := dockerCmdWithError("rmi", "-f", imgID)
if err == nil || !strings.Contains(out, "stop it and retry") {
c.Log(out)
c.Fatalf("rmi -f should not delete image with running containers")
}
}
func (s *DockerSuite) TestRmiTagWithExistingContainers(c *check.C) {
container := "test-delete-tag"
newtag := "busybox:newtag"
bb := "busybox:latest"
if out, _, err := dockerCmdWithError("tag", bb, newtag); err != nil {
c.Fatalf("Could not tag busybox: %v: %s", err, out)
}
if out, _, err := dockerCmdWithError("run", "--name", container, bb, "/bin/true"); err != nil {
c.Fatalf("Could not run busybox: %v: %s", err, out)
}
out, _, err := dockerCmdWithError("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 := dockerCmdWithError("run", "--name", "test-force-rmi", image, "/bin/true"); err != nil {
c.Fatalf("Could not run container: %s, %v", out, err)
}
if out, _, err := dockerCmdWithError("rmi", "-f", image); 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"
out, _, err := dockerCmdWithError("tag", oldRepo, newRepo)
if err != nil {
c.Fatalf("Could not tag busybox: %v: %s", err, out)
}
out, _, err = dockerCmdWithError("run", "--name", "test", oldRepo, "touch", "/home/abcd")
if err != nil {
c.Fatalf("failed to run container: %v, output: %s", err, out)
}
out, _, err = dockerCmdWithError("commit", "test", newTag)
if err != nil {
c.Fatalf("failed to commit container: %v, output: %s", err, out)
}
out, _, err = dockerCmdWithError("rmi", newTag)
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
out, _, err := dockerCmdWithError("rmi", "")
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)
}
if !strings.Contains(out, "Image name can not be blank") {
c.Fatalf("Expected error message not generated: %s", out)
}
out, _, err = dockerCmdWithError("rmi", " ")
if err == nil {
c.Fatal("Should have failed to delete '' image")
}
if !strings.Contains(out, "No such image") {
c.Fatalf("Expected error message not generated: %s", out)
}
}
func (s *DockerSuite) TestRmiContainerImageNotFound(c *check.C) {
// Build 2 images for testing.
imageNames := []string{"test1", "test2"}
imageIds := make([]string, 2)
for i, name := range imageNames {
dockerfile := fmt.Sprintf("FROM busybox\nMAINTAINER %s\nRUN echo %s\n", name, name)
id, err := buildImage(name, dockerfile, false)
c.Assert(err, check.IsNil)
imageIds[i] = id
}
// Create a long-running container.
dockerCmd(c, "run", "-d", imageNames[0], "top")
// Create a stopped container, and then force remove its image.
dockerCmd(c, "run", imageNames[1], "true")
dockerCmd(c, "rmi", "-f", imageIds[1])
// Try to remove the image of the running container and see if it fails as expected.
out, _, err := dockerCmdWithError("rmi", "-f", imageIds[0])
if err == nil || !strings.Contains(out, "is using it") {
c.Log(out)
c.Fatal("The image of the running container should not be removed.")
}
}