package main import ( "archive/tar" "fmt" "io/ioutil" "net/http" "net/http/httptest" "os" "strings" "sync" "github.com/docker/distribution/reference" "github.com/docker/docker/integration-cli/checker" "github.com/docker/docker/integration-cli/cli/build" "github.com/go-check/check" "gotest.tools/icmd" ) // Pushing an image to a private registry. func testPushBusyboxImage(c *check.C) { repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL) // tag the image to upload it to the private registry dockerCmd(c, "tag", "busybox", repoName) // push the image to the registry dockerCmd(c, "push", repoName) } func (s *DockerRegistrySuite) TestPushBusyboxImage(c *check.C) { testPushBusyboxImage(c) } func (s *DockerSchema1RegistrySuite) TestPushBusyboxImage(c *check.C) { testPushBusyboxImage(c) } // pushing an image without a prefix should throw an error func (s *DockerSuite) TestPushUnprefixedRepo(c *check.C) { out, _, err := dockerCmdWithError("push", "busybox") c.Assert(err, check.NotNil, check.Commentf("pushing an unprefixed repo didn't result in a non-zero exit status: %s", out)) } func testPushUntagged(c *check.C) { repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL) expected := "An image does not exist locally with the tag" out, _, err := dockerCmdWithError("push", repoName) c.Assert(err, check.NotNil, check.Commentf("pushing the image to the private registry should have failed: output %q", out)) c.Assert(out, checker.Contains, expected, check.Commentf("pushing the image failed")) } func (s *DockerRegistrySuite) TestPushUntagged(c *check.C) { testPushUntagged(c) } func (s *DockerSchema1RegistrySuite) TestPushUntagged(c *check.C) { testPushUntagged(c) } func testPushBadTag(c *check.C) { repoName := fmt.Sprintf("%v/dockercli/busybox:latest", privateRegistryURL) expected := "does not exist" out, _, err := dockerCmdWithError("push", repoName) c.Assert(err, check.NotNil, check.Commentf("pushing the image to the private registry should have failed: output %q", out)) c.Assert(out, checker.Contains, expected, check.Commentf("pushing the image failed")) } func (s *DockerRegistrySuite) TestPushBadTag(c *check.C) { testPushBadTag(c) } func (s *DockerSchema1RegistrySuite) TestPushBadTag(c *check.C) { testPushBadTag(c) } func testPushMultipleTags(c *check.C) { repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL) repoTag1 := fmt.Sprintf("%v/dockercli/busybox:t1", privateRegistryURL) repoTag2 := fmt.Sprintf("%v/dockercli/busybox:t2", privateRegistryURL) // tag the image and upload it to the private registry dockerCmd(c, "tag", "busybox", repoTag1) dockerCmd(c, "tag", "busybox", repoTag2) dockerCmd(c, "push", repoName) // Ensure layer list is equivalent for repoTag1 and repoTag2 out1, _ := dockerCmd(c, "pull", repoTag1) imageAlreadyExists := ": Image already exists" var out1Lines []string for _, outputLine := range strings.Split(out1, "\n") { if strings.Contains(outputLine, imageAlreadyExists) { out1Lines = append(out1Lines, outputLine) } } out2, _ := dockerCmd(c, "pull", repoTag2) var out2Lines []string for _, outputLine := range strings.Split(out2, "\n") { if strings.Contains(outputLine, imageAlreadyExists) { out1Lines = append(out1Lines, outputLine) } } c.Assert(out2Lines, checker.HasLen, len(out1Lines)) for i := range out1Lines { c.Assert(out1Lines[i], checker.Equals, out2Lines[i]) } } func (s *DockerRegistrySuite) TestPushMultipleTags(c *check.C) { testPushMultipleTags(c) } func (s *DockerSchema1RegistrySuite) TestPushMultipleTags(c *check.C) { testPushMultipleTags(c) } func testPushEmptyLayer(c *check.C) { repoName := fmt.Sprintf("%v/dockercli/emptylayer", privateRegistryURL) emptyTarball, err := ioutil.TempFile("", "empty_tarball") c.Assert(err, check.IsNil, check.Commentf("Unable to create test file")) tw := tar.NewWriter(emptyTarball) err = tw.Close() c.Assert(err, check.IsNil, check.Commentf("Error creating empty tarball")) freader, err := os.Open(emptyTarball.Name()) c.Assert(err, check.IsNil, check.Commentf("Could not open test tarball")) defer freader.Close() icmd.RunCmd(icmd.Cmd{ Command: []string{dockerBinary, "import", "-", repoName}, Stdin: freader, }).Assert(c, icmd.Success) // Now verify we can push it out, _, err := dockerCmdWithError("push", repoName) c.Assert(err, check.IsNil, check.Commentf("pushing the image to the private registry has failed: %s", out)) } func (s *DockerRegistrySuite) TestPushEmptyLayer(c *check.C) { testPushEmptyLayer(c) } func (s *DockerSchema1RegistrySuite) TestPushEmptyLayer(c *check.C) { testPushEmptyLayer(c) } // testConcurrentPush pushes multiple tags to the same repo // concurrently. func testConcurrentPush(c *check.C) { repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL) var repos []string for _, tag := range []string{"push1", "push2", "push3"} { repo := fmt.Sprintf("%v:%v", repoName, tag) buildImageSuccessfully(c, repo, build.WithDockerfile(fmt.Sprintf(` FROM busybox ENTRYPOINT ["/bin/echo"] ENV FOO foo ENV BAR bar CMD echo %s `, repo))) repos = append(repos, repo) } // Push tags, in parallel results := make(chan error) for _, repo := range repos { go func(repo string) { result := icmd.RunCommand(dockerBinary, "push", repo) results <- result.Error }(repo) } for range repos { err := <-results c.Assert(err, checker.IsNil, check.Commentf("concurrent push failed with error: %v", err)) } // Clear local images store. args := append([]string{"rmi"}, repos...) dockerCmd(c, args...) // Re-pull and run individual tags, to make sure pushes succeeded for _, repo := range repos { dockerCmd(c, "pull", repo) dockerCmd(c, "inspect", repo) out, _ := dockerCmd(c, "run", "--rm", repo) c.Assert(strings.TrimSpace(out), checker.Equals, "/bin/sh -c echo "+repo) } } func (s *DockerRegistrySuite) TestConcurrentPush(c *check.C) { testConcurrentPush(c) } func (s *DockerSchema1RegistrySuite) TestConcurrentPush(c *check.C) { testConcurrentPush(c) } func (s *DockerRegistrySuite) TestCrossRepositoryLayerPush(c *check.C) { sourceRepoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL) // tag the image to upload it to the private registry dockerCmd(c, "tag", "busybox", sourceRepoName) // push the image to the registry out1, _, err := dockerCmdWithError("push", sourceRepoName) c.Assert(err, check.IsNil, check.Commentf("pushing the image to the private registry has failed: %s", out1)) // ensure that none of the layers were mounted from another repository during push c.Assert(strings.Contains(out1, "Mounted from"), check.Equals, false) digest1 := reference.DigestRegexp.FindString(out1) c.Assert(len(digest1), checker.GreaterThan, 0, check.Commentf("no digest found for pushed manifest")) destRepoName := fmt.Sprintf("%v/dockercli/crossrepopush", privateRegistryURL) // retag the image to upload the same layers to another repo in the same registry dockerCmd(c, "tag", "busybox", destRepoName) // push the image to the registry out2, _, err := dockerCmdWithError("push", destRepoName) c.Assert(err, check.IsNil, check.Commentf("pushing the image to the private registry has failed: %s", out2)) // ensure that layers were mounted from the first repo during push c.Assert(strings.Contains(out2, "Mounted from dockercli/busybox"), check.Equals, true) digest2 := reference.DigestRegexp.FindString(out2) c.Assert(len(digest2), checker.GreaterThan, 0, check.Commentf("no digest found for pushed manifest")) c.Assert(digest1, check.Equals, digest2) // ensure that pushing again produces the same digest out3, _, err := dockerCmdWithError("push", destRepoName) c.Assert(err, check.IsNil, check.Commentf("pushing the image to the private registry has failed: %s", out2)) digest3 := reference.DigestRegexp.FindString(out3) c.Assert(len(digest2), checker.GreaterThan, 0, check.Commentf("no digest found for pushed manifest")) c.Assert(digest3, check.Equals, digest2) // ensure that we can pull and run the cross-repo-pushed repository dockerCmd(c, "rmi", destRepoName) dockerCmd(c, "pull", destRepoName) out4, _ := dockerCmd(c, "run", destRepoName, "echo", "-n", "hello world") c.Assert(out4, check.Equals, "hello world") } func (s *DockerSchema1RegistrySuite) TestCrossRepositoryLayerPushNotSupported(c *check.C) { sourceRepoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL) // tag the image to upload it to the private registry dockerCmd(c, "tag", "busybox", sourceRepoName) // push the image to the registry out1, _, err := dockerCmdWithError("push", sourceRepoName) c.Assert(err, check.IsNil, check.Commentf("pushing the image to the private registry has failed: %s", out1)) // ensure that none of the layers were mounted from another repository during push c.Assert(strings.Contains(out1, "Mounted from"), check.Equals, false) digest1 := reference.DigestRegexp.FindString(out1) c.Assert(len(digest1), checker.GreaterThan, 0, check.Commentf("no digest found for pushed manifest")) destRepoName := fmt.Sprintf("%v/dockercli/crossrepopush", privateRegistryURL) // retag the image to upload the same layers to another repo in the same registry dockerCmd(c, "tag", "busybox", destRepoName) // push the image to the registry out2, _, err := dockerCmdWithError("push", destRepoName) c.Assert(err, check.IsNil, check.Commentf("pushing the image to the private registry has failed: %s", out2)) // schema1 registry should not support cross-repo layer mounts, so ensure that this does not happen c.Assert(strings.Contains(out2, "Mounted from"), check.Equals, false) digest2 := reference.DigestRegexp.FindString(out2) c.Assert(len(digest2), checker.GreaterThan, 0, check.Commentf("no digest found for pushed manifest")) c.Assert(digest1, check.Not(check.Equals), digest2) // ensure that we can pull and run the second pushed repository dockerCmd(c, "rmi", destRepoName) dockerCmd(c, "pull", destRepoName) out3, _ := dockerCmd(c, "run", destRepoName, "echo", "-n", "hello world") c.Assert(out3, check.Equals, "hello world") } func (s *DockerRegistryAuthHtpasswdSuite) TestPushNoCredentialsNoRetry(c *check.C) { repoName := fmt.Sprintf("%s/busybox", privateRegistryURL) dockerCmd(c, "tag", "busybox", repoName) out, _, err := dockerCmdWithError("push", repoName) c.Assert(err, check.NotNil, check.Commentf("%s", out)) c.Assert(out, check.Not(checker.Contains), "Retrying") c.Assert(out, checker.Contains, "no basic auth credentials") } // This may be flaky but it's needed not to regress on unauthorized push, see #21054 func (s *DockerSuite) TestPushToCentralRegistryUnauthorized(c *check.C) { testRequires(c, Network) repoName := "test/busybox" dockerCmd(c, "tag", "busybox", repoName) out, _, err := dockerCmdWithError("push", repoName) c.Assert(err, check.NotNil, check.Commentf("%s", out)) c.Assert(out, check.Not(checker.Contains), "Retrying") } func getTestTokenService(status int, body string, retries int) *httptest.Server { var mu sync.Mutex return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { mu.Lock() if retries > 0 { w.WriteHeader(http.StatusServiceUnavailable) w.Header().Set("Content-Type", "application/json") w.Write([]byte(`{"errors":[{"code":"UNAVAILABLE","message":"cannot create token at this time"}]}`)) retries-- } else { w.WriteHeader(status) w.Header().Set("Content-Type", "application/json") w.Write([]byte(body)) } mu.Unlock() })) } func (s *DockerRegistryAuthTokenSuite) TestPushTokenServiceUnauthResponse(c *check.C) { ts := getTestTokenService(http.StatusUnauthorized, `{"errors": [{"Code":"UNAUTHORIZED", "message": "a message", "detail": null}]}`, 0) defer ts.Close() s.setupRegistryWithTokenService(c, ts.URL) repoName := fmt.Sprintf("%s/busybox", privateRegistryURL) dockerCmd(c, "tag", "busybox", repoName) out, _, err := dockerCmdWithError("push", repoName) c.Assert(err, check.NotNil, check.Commentf("%s", out)) c.Assert(out, checker.Not(checker.Contains), "Retrying") c.Assert(out, checker.Contains, "unauthorized: a message") } func (s *DockerRegistryAuthTokenSuite) TestPushMisconfiguredTokenServiceResponseUnauthorized(c *check.C) { ts := getTestTokenService(http.StatusUnauthorized, `{"error": "unauthorized"}`, 0) defer ts.Close() s.setupRegistryWithTokenService(c, ts.URL) repoName := fmt.Sprintf("%s/busybox", privateRegistryURL) dockerCmd(c, "tag", "busybox", repoName) out, _, err := dockerCmdWithError("push", repoName) c.Assert(err, check.NotNil, check.Commentf("%s", out)) c.Assert(out, checker.Not(checker.Contains), "Retrying") split := strings.Split(out, "\n") c.Assert(split[len(split)-2], check.Equals, "unauthorized: authentication required") } func (s *DockerRegistryAuthTokenSuite) TestPushMisconfiguredTokenServiceResponseError(c *check.C) { ts := getTestTokenService(http.StatusTooManyRequests, `{"errors": [{"code":"TOOMANYREQUESTS","message":"out of tokens"}]}`, 3) defer ts.Close() s.setupRegistryWithTokenService(c, ts.URL) repoName := fmt.Sprintf("%s/busybox", privateRegistryURL) dockerCmd(c, "tag", "busybox", repoName) out, _, err := dockerCmdWithError("push", repoName) c.Assert(err, check.NotNil, check.Commentf("%s", out)) // TODO: isolate test so that it can be guaranteed that the 503 will trigger xfer retries //c.Assert(out, checker.Contains, "Retrying") //c.Assert(out, checker.Not(checker.Contains), "Retrying in 15") split := strings.Split(out, "\n") c.Assert(split[len(split)-2], check.Equals, "toomanyrequests: out of tokens") } func (s *DockerRegistryAuthTokenSuite) TestPushMisconfiguredTokenServiceResponseUnparsable(c *check.C) { ts := getTestTokenService(http.StatusForbidden, `no way`, 0) defer ts.Close() s.setupRegistryWithTokenService(c, ts.URL) repoName := fmt.Sprintf("%s/busybox", privateRegistryURL) dockerCmd(c, "tag", "busybox", repoName) out, _, err := dockerCmdWithError("push", repoName) c.Assert(err, check.NotNil, check.Commentf("%s", out)) c.Assert(out, checker.Not(checker.Contains), "Retrying") split := strings.Split(out, "\n") c.Assert(split[len(split)-2], checker.Contains, "error parsing HTTP 403 response body: ") } func (s *DockerRegistryAuthTokenSuite) TestPushMisconfiguredTokenServiceResponseNoToken(c *check.C) { ts := getTestTokenService(http.StatusOK, `{"something": "wrong"}`, 0) defer ts.Close() s.setupRegistryWithTokenService(c, ts.URL) repoName := fmt.Sprintf("%s/busybox", privateRegistryURL) dockerCmd(c, "tag", "busybox", repoName) out, _, err := dockerCmdWithError("push", repoName) c.Assert(err, check.NotNil, check.Commentf("%s", out)) c.Assert(out, checker.Not(checker.Contains), "Retrying") split := strings.Split(out, "\n") c.Assert(split[len(split)-2], check.Equals, "authorization server did not include a token in the response") }