package main
 
 import (

 	"fmt"

 	"os/exec"
 	"strings"

 	"github.com/docker/docker/pkg/integration/checker"

 	"github.com/docker/docker/pkg/stringid"

 	"github.com/go-check/check"

 )
 

 func (s *DockerSuite) TestRmiWithContainerFails(c *check.C) {

 	testRequires(c, DaemonIsLinux)

 	errSubstr := "is using it"
 
 	// create a container

 	out, _ := dockerCmd(c, "run", "-d", "busybox", "true")

 	cleanedContainerID := strings.TrimSpace(out)

 
 	// try to delete the image

 	out, _, err := dockerCmdWithError("rmi", "busybox")
 	// Container is using image, should not be able to rmi
 	c.Assert(err, checker.NotNil)
 	// Container is using image, error message should contain errSubstr
 	c.Assert(out, checker.Contains, errSubstr, check.Commentf("Container: %q", cleanedContainerID))

 
 	// make sure it didn't delete the busybox name

 	images, _ := dockerCmd(c, "images")

 	// The name 'busybox' should not have been removed from images
 	c.Assert(images, checker.Contains, "busybox")

 }
 

 func (s *DockerSuite) TestRmiTag(c *check.C) {

 	testRequires(c, DaemonIsLinux)

 	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")

 		c.Assert(strings.Count(imagesAfter, "\n"), checker.Equals, strings.Count(imagesBefore, "\n")+3, check.Commentf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter))

 	}

 	dockerCmd(c, "rmi", "utest/docker:tag2")

 	{

 		imagesAfter, _ := dockerCmd(c, "images", "-a")

 		c.Assert(strings.Count(imagesAfter, "\n"), checker.Equals, strings.Count(imagesBefore, "\n")+2, check.Commentf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter))

 	}

 	dockerCmd(c, "rmi", "utest:5000/docker:tag3")

 	{

 		imagesAfter, _ := dockerCmd(c, "images", "-a")

 		c.Assert(strings.Count(imagesAfter, "\n"), checker.Equals, strings.Count(imagesBefore, "\n")+1, check.Commentf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter))

 
 	}

 	dockerCmd(c, "rmi", "utest:tag1")

 	{

 		imagesAfter, _ := dockerCmd(c, "images", "-a")

 		c.Assert(strings.Count(imagesAfter, "\n"), checker.Equals, strings.Count(imagesBefore, "\n"), check.Commentf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter))

 
 	}
 }

 func (s *DockerSuite) TestRmiImgIDMultipleTag(c *check.C) {

 	testRequires(c, DaemonIsLinux)

 	out, _ := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "mkdir '/busybox-one'")

 	containerID := strings.TrimSpace(out)

 	dockerCmd(c, "commit", containerID, "busybox-one")

 
 	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")

 	// tag busybox to create 2 more images with same imageID
 	c.Assert(strings.Count(imagesAfter, "\n"), checker.Equals, strings.Count(imagesBefore, "\n")+2, check.Commentf("docker images shows: %q\n", imagesAfter))

 
 	imgID, err := inspectField("busybox-one:tag1", "Id")

 	c.Assert(err, checker.IsNil)

 
 	// run a container with the image

 	out, _ = dockerCmd(c, "run", "-d", "busybox-one", "top")

 	containerID = strings.TrimSpace(out)
 
 	// first checkout without force it fails

 	out, _, err = dockerCmdWithError("rmi", imgID)

 	expected := fmt.Sprintf("conflict: unable to delete %s (cannot be forced) - image is being used by running container %s", stringid.TruncateID(imgID), stringid.TruncateID(containerID))

 	// rmi tagged in multiple repos should have failed without force
 	c.Assert(err, checker.NotNil)
 	c.Assert(out, checker.Contains, expected)

 
 	dockerCmd(c, "stop", containerID)
 	dockerCmd(c, "rmi", "-f", imgID)
 
 	imagesAfter, _ = dockerCmd(c, "images", "-a")

 	// rmi -f failed, image still exists
 	c.Assert(imagesAfter, checker.Not(checker.Contains), imgID[:12], check.Commentf("ImageID:%q; ImagesAfter: %q", imgID, imagesAfter))

 }
 

 func (s *DockerSuite) TestRmiImgIDForce(c *check.C) {

 	testRequires(c, DaemonIsLinux)

 	out, _ := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "mkdir '/busybox-test'")

 	containerID := strings.TrimSpace(out)

 	dockerCmd(c, "commit", containerID, "busybox-test")

 	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")

 		c.Assert(strings.Count(imagesAfter, "\n"), checker.Equals, strings.Count(imagesBefore, "\n")+4, check.Commentf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter))

 	}

 	imgID, err := inspectField("busybox-test", "Id")

 	c.Assert(err, checker.IsNil)

 
 	// first checkout without force it fails

 	out, _, err = dockerCmdWithError("rmi", imgID)

 	// rmi tagged in multiple repos should have failed without force
 	c.Assert(err, checker.NotNil)
 	// rmi tagged in multiple repos should have failed without force
 	c.Assert(out, checker.Contains, "(must be forced) - image is referenced in one or more repositories", check.Commentf("out: %s; err: %v;", out, err))

 	dockerCmd(c, "rmi", "-f", imgID)

 	{

 		imagesAfter, _ := dockerCmd(c, "images", "-a")

 		// rmi failed, image still exists
 		c.Assert(imagesAfter, checker.Not(checker.Contains), imgID[:12])

 	}
 }
 

 // See https://github.com/docker/docker/issues/14116
 func (s *DockerSuite) TestRmiImageIDForceWithRunningContainersAndMultipleTags(c *check.C) {

 	testRequires(c, DaemonIsLinux)

 	dockerfile := "FROM busybox\nRUN echo test 14116\n"
 	imgID, err := buildImage("test-14116", dockerfile, false)

 	c.Assert(err, checker.IsNil)

 
 	newTag := "newtag"
 	dockerCmd(c, "tag", imgID, newTag)
 	dockerCmd(c, "run", "-d", imgID, "top")
 

 	out, _, err := dockerCmdWithError("rmi", "-f", imgID)

 	// rmi -f should not delete image with running containers
 	c.Assert(err, checker.NotNil)
 	c.Assert(out, checker.Contains, "(cannot be forced) - image is being used by running container")

 }
 

 func (s *DockerSuite) TestRmiTagWithExistingContainers(c *check.C) {

 	testRequires(c, DaemonIsLinux)

 	container := "test-delete-tag"
 	newtag := "busybox:newtag"
 	bb := "busybox:latest"

 	dockerCmd(c, "tag", bb, newtag)
 
 	dockerCmd(c, "run", "--name", container, bb, "/bin/true")
 
 	out, _ := dockerCmd(c, "rmi", newtag)
 	c.Assert(strings.Count(out, "Untagged: "), checker.Equals, 1)

 }

 func (s *DockerSuite) TestRmiForceWithExistingContainers(c *check.C) {

 	testRequires(c, DaemonIsLinux)

 	image := "busybox-clone"

 
 	cmd := exec.Command(dockerBinary, "build", "--no-cache", "-t", image, "-")
 	cmd.Stdin = strings.NewReader(`FROM busybox
 MAINTAINER foo`)
 

 	out, _, err := runCommandWithOutput(cmd)
 	c.Assert(err, checker.IsNil, check.Commentf("Could not build %s: %s", image, out))

 	dockerCmd(c, "run", "--name", "test-force-rmi", image, "/bin/true")

 	dockerCmd(c, "rmi", "-f", image)

 }

 func (s *DockerSuite) TestRmiWithMultipleRepositories(c *check.C) {

 	testRequires(c, DaemonIsLinux)

 	newRepo := "127.0.0.1:5000/busybox"
 	oldRepo := "busybox"
 	newTag := "busybox:test"

 	dockerCmd(c, "tag", oldRepo, newRepo)

 	dockerCmd(c, "run", "--name", "test", oldRepo, "touch", "/home/abcd")

 	dockerCmd(c, "commit", "test", newTag)

 	out, _ := dockerCmd(c, "rmi", newTag)
 	c.Assert(out, checker.Contains, "Untagged: "+newTag)

 }
 

 func (s *DockerSuite) TestRmiForceWithMultipleRepositories(c *check.C) {
 	testRequires(c, DaemonIsLinux)
 	imageName := "rmiimage"
 	tag1 := imageName + ":tag1"
 	tag2 := imageName + ":tag2"
 
 	_, err := buildImage(tag1,
 		`FROM scratch
 		MAINTAINER "docker"`,
 		true)
 	if err != nil {
 		c.Fatal(err)
 	}
 
 	dockerCmd(c, "tag", tag1, tag2)
 
 	out, _ := dockerCmd(c, "rmi", "-f", tag2)
 	c.Assert(out, checker.Contains, "Untagged: "+tag2)
 	c.Assert(out, checker.Not(checker.Contains), "Untagged: "+tag1)
 
 	// Check built image still exists
 	images, _ := dockerCmd(c, "images", "-a")
 	c.Assert(images, checker.Contains, imageName, check.Commentf("Built image missing %q; Images: %q", imageName, images))
 }
 

 func (s *DockerSuite) TestRmiBlank(c *check.C) {

 	testRequires(c, DaemonIsLinux)

 	// try to delete a blank image name

 	out, _, err := dockerCmdWithError("rmi", "")

 	// Should have failed to delete '' image
 	c.Assert(err, checker.NotNil)
 	// Wrong error message generated
 	c.Assert(out, checker.Not(checker.Contains), "no such id", check.Commentf("out: %s", out))
 	// Expected error message not generated
 	c.Assert(out, checker.Contains, "image name cannot be blank", check.Commentf("out: %s", out))

 	out, _, err = dockerCmdWithError("rmi", " ")

 	// Should have failed to delete ' ' image

 	c.Assert(err, checker.NotNil)
 	// Expected error message not generated

 	c.Assert(out, checker.Contains, "image name cannot be blank", check.Commentf("out: %s", out))

 }

 
 func (s *DockerSuite) TestRmiContainerImageNotFound(c *check.C) {

 	testRequires(c, DaemonIsLinux)

 	// 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, checker.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])

 	// The image of the running container should not be removed.
 	c.Assert(err, checker.NotNil)
 	c.Assert(out, checker.Contains, "image is being used by running container", check.Commentf("out: %s", out))

 }

 
 // #13422
 func (s *DockerSuite) TestRmiUntagHistoryLayer(c *check.C) {

 	testRequires(c, DaemonIsLinux)

 	image := "tmp1"
 	// Build a image for testing.
 	dockerfile := `FROM busybox
 MAINTAINER foo
 RUN echo 0 #layer0
 RUN echo 1 #layer1
 RUN echo 2 #layer2
 `
 	_, err := buildImage(image, dockerfile, false)

 	c.Assert(err, checker.IsNil)

 
 	out, _ := dockerCmd(c, "history", "-q", image)
 	ids := strings.Split(out, "\n")
 	idToTag := ids[2]
 
 	// Tag layer0 to "tmp2".
 	newTag := "tmp2"
 	dockerCmd(c, "tag", idToTag, newTag)
 	// Create a container based on "tmp1".
 	dockerCmd(c, "run", "-d", image, "true")
 
 	// See if the "tmp2" can be untagged.
 	out, _ = dockerCmd(c, "rmi", newTag)

 	// Expected 1 untagged entry
 	c.Assert(strings.Count(out, "Untagged: "), checker.Equals, 1, check.Commentf("out: %s", out))

 
 	// Now let's add the tag again and create a container based on it.
 	dockerCmd(c, "tag", idToTag, newTag)
 	out, _ = dockerCmd(c, "run", "-d", newTag, "true")
 	cid := strings.TrimSpace(out)
 
 	// At this point we have 2 containers, one based on layer2 and another based on layer0.
 	// Try to untag "tmp2" without the -f flag.
 	out, _, err = dockerCmdWithError("rmi", newTag)

 	// should not be untagged without the -f flag
 	c.Assert(err, checker.NotNil)
 	c.Assert(out, checker.Contains, cid[:12])
 	c.Assert(out, checker.Contains, "(must force)")

 
 	// Add the -f flag and test again.
 	out, _ = dockerCmd(c, "rmi", "-f", newTag)

 	// should be allowed to untag with the -f flag
 	c.Assert(out, checker.Contains, fmt.Sprintf("Untagged: %s:latest", newTag))

 }

 
 func (*DockerSuite) TestRmiParentImageFail(c *check.C) {
 	testRequires(c, DaemonIsLinux)
 
 	parent, err := inspectField("busybox", "Parent")
 	c.Assert(err, check.IsNil)
 	out, _, err := dockerCmdWithError("rmi", parent)
 	c.Assert(err, check.NotNil)
 	if !strings.Contains(out, "image has dependent child images") {
 		c.Fatalf("rmi should have failed because it's a parent image, got %s", out)
 	}
 }

 
 func (s *DockerSuite) TestRmiWithParentInUse(c *check.C) {
 	testRequires(c, DaemonIsLinux)
 	out, _ := dockerCmd(c, "create", "busybox")
 	cID := strings.TrimSpace(out)
 	out, _ = dockerCmd(c, "commit", cID)
 	imageID := strings.TrimSpace(out)
 
 	out, _ = dockerCmd(c, "create", imageID)
 	cID = strings.TrimSpace(out)
 	out, _ = dockerCmd(c, "commit", cID)
 	imageID = strings.TrimSpace(out)
 
 	dockerCmd(c, "rmi", imageID)
 }

 
 // #18873
 func (s *DockerSuite) TestRmiByIDHardConflict(c *check.C) {
 	testRequires(c, DaemonIsLinux)
 	dockerCmd(c, "create", "busybox")
 
 	imgID, err := inspectField("busybox:latest", "Id")
 	c.Assert(err, checker.IsNil)
 
 	_, _, err = dockerCmdWithError("rmi", imgID[:12])
 	c.Assert(err, checker.NotNil)
 
 	// check that tag was not removed
 	imgID2, err := inspectField("busybox:latest", "Id")
 	c.Assert(err, checker.IsNil)
 	c.Assert(imgID, checker.Equals, imgID2)
 }