// TestPushBadParentChain tries to push an image with a corrupted parent chain
// in the v1compatibility files, and makes sure the push process fixes it.
func (s *DockerRegistrySuite) TestPushBadParentChain(c *check.C) {
repoName := fmt.Sprintf("%v/dockercli/badparent", privateRegistryURL)
id, err := buildImage(repoName, `
FROM busybox
CMD echo "adding another layer"
`, true)
if err != nil {
c.Fatal(err)
}
// Push to create v1compatibility file
dockerCmd(c, "push", repoName)
// Corrupt the parent in the v1compatibility file from the top layer
filename := filepath.Join(dockerBasePath, "graph", id, "v1Compatibility")
jsonBytes, err := ioutil.ReadFile(filename)
c.Assert(err, check.IsNil, check.Commentf("Could not read v1Compatibility file: %s", err))
var img image.Image
err = json.Unmarshal(jsonBytes, &img)
c.Assert(err, check.IsNil, check.Commentf("Could not unmarshal json: %s", err))
img.Parent = "1234123412341234123412341234123412341234123412341234123412341234"
jsonBytes, err = json.Marshal(&img)
c.Assert(err, check.IsNil, check.Commentf("Could not marshal json: %s", err))
err = ioutil.WriteFile(filename, jsonBytes, 0600)
c.Assert(err, check.IsNil, check.Commentf("Could not write v1Compatibility file: %s", err))
dockerCmd(c, "push", repoName)
// pull should succeed
dockerCmd(c, "pull", repoName)
}
