Fix docker rmi trying to remove a being used parent

Signed-off-by: Lei Jitang <leijitang@huawei.com>
This commit is contained in:
Lei Jitang 2015-11-26 09:57:20 +08:00
parent 900c8f5847
commit 0bbc9f1d2d
3 changed files with 22 additions and 4 deletions

View file

@ -195,6 +195,7 @@ func (daemon *Daemon) removeAllReferencesToImageID(imgID image.ID, records *[]ty
// Implements the error interface.
type imageDeleteConflict struct {
hard bool
used bool
imgID image.ID
message string
}
@ -225,8 +226,8 @@ func (daemon *Daemon) imageDeleteHelper(imgID image.ID, records *[]types.ImageDe
// First, determine if this image has any conflicts. Ignore soft conflicts
// if force is true.
if conflict := daemon.checkImageDeleteConflict(imgID, force); conflict != nil {
if quiet && !daemon.imageIsDangling(imgID) {
// Ignore conflicts UNLESS the image is "dangling" in
if quiet && (!daemon.imageIsDangling(imgID) || conflict.used) {
// Ignore conflicts UNLESS the image is "dangling" or not being used in
// which case we want the user to know.
return nil
}
@ -312,6 +313,7 @@ func (daemon *Daemon) checkImageDeleteHardConflict(imgID image.ID) *imageDeleteC
return &imageDeleteConflict{
imgID: imgID,
hard: true,
used: true,
message: fmt.Sprintf("image is being used by running container %s", stringid.TruncateID(container.ID)),
}
}
@ -339,6 +341,7 @@ func (daemon *Daemon) checkImageDeleteSoftConflict(imgID image.ID) *imageDeleteC
if container.ImageID == imgID {
return &imageDeleteConflict{
imgID: imgID,
used: true,
message: fmt.Sprintf("image is being used by stopped container %s", stringid.TruncateID(container.ID)),
}
}

View file

@ -60,9 +60,9 @@ func (s *DockerSuite) TestRmContainerOrphaning(c *check.C) {
// rebuild dockerfile with a small addition at the end
_, err = buildImage(img, dockerfile2, true)
c.Assert(err, check.IsNil, check.Commentf("Could not rebuild image %s", img))
// try to remove the image, should error out.
// try to remove the image, should not error out.
out, _, err := dockerCmdWithError("rmi", img)
c.Assert(err, check.NotNil, check.Commentf("Expected to error out removing the image, but succeeded: %s", out))
c.Assert(err, check.IsNil, check.Commentf("Expected to removing the image, but failed: %s", out))
// check if we deleted the first image
out, _ = dockerCmd(c, "images", "-q", "--no-trunc")

View file

@ -322,3 +322,18 @@ func (*DockerSuite) TestRmiParentImageFail(c *check.C) {
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)
}