mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
323 lines
11 KiB
Go
323 lines
11 KiB
Go
package main
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import (
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"fmt"
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"os/exec"
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"strings"
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"github.com/docker/docker/pkg/integration/checker"
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"github.com/go-check/check"
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)
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func (s *DockerSuite) TestRmiWithContainerFails(c *check.C) {
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testRequires(c, DaemonIsLinux)
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errSubstr := "is using it"
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// create a container
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out, _ := dockerCmd(c, "run", "-d", "busybox", "true")
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cleanedContainerID := strings.TrimSpace(out)
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// try to delete the image
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out, _, err := dockerCmdWithError("rmi", "busybox")
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// Container is using image, should not be able to rmi
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c.Assert(err, checker.NotNil)
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// Container is using image, error message should contain errSubstr
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c.Assert(out, checker.Contains, errSubstr, check.Commentf("Container: %q", cleanedContainerID))
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// make sure it didn't delete the busybox name
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images, _ := dockerCmd(c, "images")
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// The name 'busybox' should not have been removed from images
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c.Assert(images, checker.Contains, "busybox")
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}
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func (s *DockerSuite) TestRmiTag(c *check.C) {
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testRequires(c, DaemonIsLinux)
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imagesBefore, _ := dockerCmd(c, "images", "-a")
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dockerCmd(c, "tag", "busybox", "utest:tag1")
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dockerCmd(c, "tag", "busybox", "utest/docker:tag2")
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dockerCmd(c, "tag", "busybox", "utest:5000/docker:tag3")
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{
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imagesAfter, _ := dockerCmd(c, "images", "-a")
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c.Assert(strings.Count(imagesAfter, "\n"), checker.Equals, strings.Count(imagesBefore, "\n")+3, check.Commentf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter))
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}
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dockerCmd(c, "rmi", "utest/docker:tag2")
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{
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imagesAfter, _ := dockerCmd(c, "images", "-a")
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c.Assert(strings.Count(imagesAfter, "\n"), checker.Equals, strings.Count(imagesBefore, "\n")+2, check.Commentf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter))
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}
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dockerCmd(c, "rmi", "utest:5000/docker:tag3")
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{
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imagesAfter, _ := dockerCmd(c, "images", "-a")
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c.Assert(strings.Count(imagesAfter, "\n"), checker.Equals, strings.Count(imagesBefore, "\n")+1, check.Commentf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter))
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}
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dockerCmd(c, "rmi", "utest:tag1")
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{
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imagesAfter, _ := dockerCmd(c, "images", "-a")
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c.Assert(strings.Count(imagesAfter, "\n"), checker.Equals, strings.Count(imagesBefore, "\n"), check.Commentf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter))
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}
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}
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func (s *DockerSuite) TestRmiImgIDMultipleTag(c *check.C) {
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testRequires(c, DaemonIsLinux)
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out, _ := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "mkdir '/busybox-one'")
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containerID := strings.TrimSpace(out)
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dockerCmd(c, "commit", containerID, "busybox-one")
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imagesBefore, _ := dockerCmd(c, "images", "-a")
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dockerCmd(c, "tag", "busybox-one", "busybox-one:tag1")
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dockerCmd(c, "tag", "busybox-one", "busybox-one:tag2")
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imagesAfter, _ := dockerCmd(c, "images", "-a")
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// tag busybox to create 2 more images with same imageID
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c.Assert(strings.Count(imagesAfter, "\n"), checker.Equals, strings.Count(imagesBefore, "\n")+2, check.Commentf("docker images shows: %q\n", imagesAfter))
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imgID, err := inspectField("busybox-one:tag1", "Id")
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c.Assert(err, checker.IsNil)
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// run a container with the image
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out, _ = dockerCmd(c, "run", "-d", "busybox-one", "top")
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containerID = strings.TrimSpace(out)
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// first checkout without force it fails
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out, _, err = dockerCmdWithError("rmi", imgID)
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expected := fmt.Sprintf("conflict: unable to delete %s (cannot be forced) - image is being used by running container %s", imgID[:12], containerID[:12])
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// rmi tagged in multiple repos should have failed without force
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c.Assert(err, checker.NotNil)
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c.Assert(out, checker.Contains, expected)
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dockerCmd(c, "stop", containerID)
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dockerCmd(c, "rmi", "-f", imgID)
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imagesAfter, _ = dockerCmd(c, "images", "-a")
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// rmi -f failed, image still exists
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c.Assert(imagesAfter, checker.Not(checker.Contains), imgID[:12], check.Commentf("ImageID:%q; ImagesAfter: %q", imgID, imagesAfter))
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}
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func (s *DockerSuite) TestRmiImgIDForce(c *check.C) {
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testRequires(c, DaemonIsLinux)
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out, _ := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "mkdir '/busybox-test'")
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containerID := strings.TrimSpace(out)
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dockerCmd(c, "commit", containerID, "busybox-test")
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imagesBefore, _ := dockerCmd(c, "images", "-a")
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dockerCmd(c, "tag", "busybox-test", "utest:tag1")
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dockerCmd(c, "tag", "busybox-test", "utest:tag2")
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dockerCmd(c, "tag", "busybox-test", "utest/docker:tag3")
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dockerCmd(c, "tag", "busybox-test", "utest:5000/docker:tag4")
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{
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imagesAfter, _ := dockerCmd(c, "images", "-a")
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c.Assert(strings.Count(imagesAfter, "\n"), checker.Equals, strings.Count(imagesBefore, "\n")+4, check.Commentf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter))
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}
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imgID, err := inspectField("busybox-test", "Id")
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c.Assert(err, checker.IsNil)
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// first checkout without force it fails
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out, _, err = dockerCmdWithError("rmi", imgID)
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// rmi tagged in multiple repos should have failed without force
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c.Assert(err, checker.NotNil)
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// rmi tagged in multiple repos should have failed without force
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c.Assert(out, checker.Contains, "(must be forced) - image is referenced in one or more repositories", check.Commentf("out: %s; err: %v;", out, err))
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dockerCmd(c, "rmi", "-f", imgID)
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{
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imagesAfter, _ := dockerCmd(c, "images", "-a")
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// rmi failed, image still exists
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c.Assert(imagesAfter, checker.Not(checker.Contains), imgID[:12])
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}
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}
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// See https://github.com/docker/docker/issues/14116
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func (s *DockerSuite) TestRmiImageIDForceWithRunningContainersAndMultipleTags(c *check.C) {
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testRequires(c, DaemonIsLinux)
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dockerfile := "FROM busybox\nRUN echo test 14116\n"
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imgID, err := buildImage("test-14116", dockerfile, false)
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c.Assert(err, checker.IsNil)
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newTag := "newtag"
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dockerCmd(c, "tag", imgID, newTag)
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dockerCmd(c, "run", "-d", imgID, "top")
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out, _, err := dockerCmdWithError("rmi", "-f", imgID)
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// rmi -f should not delete image with running containers
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c.Assert(err, checker.NotNil)
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c.Assert(out, checker.Contains, "(cannot be forced) - image is being used by running container")
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}
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func (s *DockerSuite) TestRmiTagWithExistingContainers(c *check.C) {
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testRequires(c, DaemonIsLinux)
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container := "test-delete-tag"
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newtag := "busybox:newtag"
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bb := "busybox:latest"
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dockerCmd(c, "tag", bb, newtag)
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dockerCmd(c, "run", "--name", container, bb, "/bin/true")
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out, _ := dockerCmd(c, "rmi", newtag)
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c.Assert(strings.Count(out, "Untagged: "), checker.Equals, 1)
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}
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func (s *DockerSuite) TestRmiForceWithExistingContainers(c *check.C) {
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testRequires(c, DaemonIsLinux)
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image := "busybox-clone"
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cmd := exec.Command(dockerBinary, "build", "--no-cache", "-t", image, "-")
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cmd.Stdin = strings.NewReader(`FROM busybox
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MAINTAINER foo`)
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out, _, err := runCommandWithOutput(cmd)
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c.Assert(err, checker.IsNil, check.Commentf("Could not build %s: %s", image, out))
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dockerCmd(c, "run", "--name", "test-force-rmi", image, "/bin/true")
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dockerCmd(c, "rmi", "-f", image)
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}
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func (s *DockerSuite) TestRmiWithMultipleRepositories(c *check.C) {
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testRequires(c, DaemonIsLinux)
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newRepo := "127.0.0.1:5000/busybox"
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oldRepo := "busybox"
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newTag := "busybox:test"
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dockerCmd(c, "tag", oldRepo, newRepo)
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dockerCmd(c, "run", "--name", "test", oldRepo, "touch", "/home/abcd")
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dockerCmd(c, "commit", "test", newTag)
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out, _ := dockerCmd(c, "rmi", newTag)
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c.Assert(out, checker.Contains, "Untagged: "+newTag)
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}
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func (s *DockerSuite) TestRmiForceWithMultipleRepositories(c *check.C) {
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testRequires(c, DaemonIsLinux)
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imageName := "rmiimage"
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tag1 := imageName + ":tag1"
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tag2 := imageName + ":tag2"
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_, err := buildImage(tag1,
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`FROM scratch
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MAINTAINER "docker"`,
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true)
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if err != nil {
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c.Fatal(err)
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}
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dockerCmd(c, "tag", tag1, tag2)
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out, _ := dockerCmd(c, "rmi", "-f", tag2)
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c.Assert(out, checker.Contains, "Untagged: "+tag2)
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c.Assert(out, checker.Not(checker.Contains), "Untagged: "+tag1)
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// Check built image still exists
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images, _ := dockerCmd(c, "images", "-a")
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c.Assert(images, checker.Contains, imageName, check.Commentf("Built image missing %q; Images: %q", imageName, images))
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}
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func (s *DockerSuite) TestRmiBlank(c *check.C) {
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testRequires(c, DaemonIsLinux)
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// try to delete a blank image name
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out, _, err := dockerCmdWithError("rmi", "")
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// Should have failed to delete '' image
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c.Assert(err, checker.NotNil)
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// Wrong error message generated
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c.Assert(out, checker.Not(checker.Contains), "no such id", check.Commentf("out: %s", out))
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// Expected error message not generated
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c.Assert(out, checker.Contains, "image name cannot be blank", check.Commentf("out: %s", out))
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out, _, err = dockerCmdWithError("rmi", " ")
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// Should have failed to delete ' ' image
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c.Assert(err, checker.NotNil)
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// Expected error message not generated
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c.Assert(out, checker.Contains, "image name cannot be blank", check.Commentf("out: %s", out))
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}
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func (s *DockerSuite) TestRmiContainerImageNotFound(c *check.C) {
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testRequires(c, DaemonIsLinux)
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// Build 2 images for testing.
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imageNames := []string{"test1", "test2"}
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imageIds := make([]string, 2)
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for i, name := range imageNames {
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dockerfile := fmt.Sprintf("FROM busybox\nMAINTAINER %s\nRUN echo %s\n", name, name)
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id, err := buildImage(name, dockerfile, false)
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c.Assert(err, checker.IsNil)
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imageIds[i] = id
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}
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// Create a long-running container.
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dockerCmd(c, "run", "-d", imageNames[0], "top")
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// Create a stopped container, and then force remove its image.
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dockerCmd(c, "run", imageNames[1], "true")
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dockerCmd(c, "rmi", "-f", imageIds[1])
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// Try to remove the image of the running container and see if it fails as expected.
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out, _, err := dockerCmdWithError("rmi", "-f", imageIds[0])
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// The image of the running container should not be removed.
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c.Assert(err, checker.NotNil)
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c.Assert(out, checker.Contains, "image is being used by running container", check.Commentf("out: %s", out))
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}
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// #13422
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func (s *DockerSuite) TestRmiUntagHistoryLayer(c *check.C) {
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testRequires(c, DaemonIsLinux)
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image := "tmp1"
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// Build a image for testing.
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dockerfile := `FROM busybox
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MAINTAINER foo
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RUN echo 0 #layer0
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RUN echo 1 #layer1
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RUN echo 2 #layer2
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`
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_, err := buildImage(image, dockerfile, false)
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c.Assert(err, checker.IsNil)
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out, _ := dockerCmd(c, "history", "-q", image)
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ids := strings.Split(out, "\n")
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idToTag := ids[2]
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// Tag layer0 to "tmp2".
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newTag := "tmp2"
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dockerCmd(c, "tag", idToTag, newTag)
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// Create a container based on "tmp1".
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dockerCmd(c, "run", "-d", image, "true")
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// See if the "tmp2" can be untagged.
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out, _ = dockerCmd(c, "rmi", newTag)
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// Expected 1 untagged entry
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c.Assert(strings.Count(out, "Untagged: "), checker.Equals, 1, check.Commentf("out: %s", out))
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// Now let's add the tag again and create a container based on it.
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dockerCmd(c, "tag", idToTag, newTag)
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out, _ = dockerCmd(c, "run", "-d", newTag, "true")
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cid := strings.TrimSpace(out)
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// At this point we have 2 containers, one based on layer2 and another based on layer0.
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// Try to untag "tmp2" without the -f flag.
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out, _, err = dockerCmdWithError("rmi", newTag)
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// should not be untagged without the -f flag
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c.Assert(err, checker.NotNil)
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c.Assert(out, checker.Contains, cid[:12])
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c.Assert(out, checker.Contains, "(must force)")
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// Add the -f flag and test again.
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out, _ = dockerCmd(c, "rmi", "-f", newTag)
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// should be allowed to untag with the -f flag
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c.Assert(out, checker.Contains, fmt.Sprintf("Untagged: %s:latest", newTag))
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}
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func (*DockerSuite) TestRmiParentImageFail(c *check.C) {
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testRequires(c, DaemonIsLinux)
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parent, err := inspectField("busybox", "Parent")
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c.Assert(err, check.IsNil)
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out, _, err := dockerCmdWithError("rmi", parent)
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c.Assert(err, check.NotNil)
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if !strings.Contains(out, "image has dependent child images") {
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c.Fatalf("rmi should have failed because it's a parent image, got %s", out)
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}
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}
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