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/cli/build" "github.com/go-check/check" "gotest.tools/assert" "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) } // pushing an image without a prefix should throw an error func (s *DockerSuite) TestPushUnprefixedRepo(c *check.C) { out, _, err := dockerCmdWithError("push", "busybox") assert.ErrorContains(c, err, "", "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) assert.ErrorContains(c, err, "", "pushing the image to the private registry should have failed: output %q", out) assert.Assert(c, strings.Contains(out, expected), "pushing the image failed") } func (s *DockerRegistrySuite) 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) assert.ErrorContains(c, err, "", "pushing the image to the private registry should have failed: output %q", out) assert.Assert(c, strings.Contains(out, expected), "pushing the image failed") } func (s *DockerRegistrySuite) 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) } } assert.Equal(c, len(out2Lines), len(out1Lines)) for i := range out1Lines { assert.Equal(c, out1Lines[i], out2Lines[i]) } } func (s *DockerRegistrySuite) TestPushMultipleTags(c *check.C) { testPushMultipleTags(c) } func testPushEmptyLayer(c *check.C) { repoName := fmt.Sprintf("%v/dockercli/emptylayer", privateRegistryURL) emptyTarball, err := ioutil.TempFile("", "empty_tarball") assert.NilError(c, err, "Unable to create test file") tw := tar.NewWriter(emptyTarball) err = tw.Close() assert.NilError(c, err, "Error creating empty tarball") freader, err := os.Open(emptyTarball.Name()) assert.NilError(c, err, "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) assert.NilError(c, err, "pushing the image to the private registry has failed: %s", out) } func (s *DockerRegistrySuite) 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 assert.NilError(c, err, "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) assert.Equal(c, strings.TrimSpace(out), "/bin/sh -c echo "+repo) } } func (s *DockerRegistrySuite) 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) assert.NilError(c, err, "pushing the image to the private registry has failed: %s", out1) // ensure that none of the layers were mounted from another repository during push assert.Assert(c, !strings.Contains(out1, "Mounted from")) digest1 := reference.DigestRegexp.FindString(out1) assert.Assert(c, len(digest1) > 0, "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) assert.NilError(c, err, "pushing the image to the private registry has failed: %s", out2) // ensure that layers were mounted from the first repo during push assert.Assert(c, strings.Contains(out2, "Mounted from dockercli/busybox")) digest2 := reference.DigestRegexp.FindString(out2) assert.Assert(c, len(digest2) > 0, "no digest found for pushed manifest") assert.Equal(c, digest1, digest2) // ensure that pushing again produces the same digest out3, _, err := dockerCmdWithError("push", destRepoName) assert.NilError(c, err, "pushing the image to the private registry has failed: %s", out3) digest3 := reference.DigestRegexp.FindString(out3) assert.Assert(c, len(digest3) > 0, "no digest found for pushed manifest") assert.Equal(c, digest3, 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") assert.Equal(c, out4, "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) assert.ErrorContains(c, err, "", out) assert.Assert(c, !strings.Contains(out, "Retrying")) assert.Assert(c, strings.Contains(out, "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) assert.ErrorContains(c, err, "", out) assert.Assert(c, !strings.Contains(out, "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) assert.ErrorContains(c, err, "", out) assert.Assert(c, !strings.Contains(out, "Retrying")) assert.Assert(c, strings.Contains(out, "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) assert.ErrorContains(c, err, "", out) assert.Assert(c, !strings.Contains(out, "Retrying")) split := strings.Split(out, "\n") assert.Equal(c, split[len(split)-2], "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) assert.ErrorContains(c, err, "", out) // TODO: isolate test so that it can be guaranteed that the 503 will trigger xfer retries //assert.Assert(c, strings.Contains(out, "Retrying")) //assert.Assert(c, !strings.Contains(out, "Retrying in 15")) split := strings.Split(out, "\n") assert.Equal(c, split[len(split)-2], "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) assert.ErrorContains(c, err, "", out) assert.Assert(c, !strings.Contains(out, "Retrying")) split := strings.Split(out, "\n") assert.Assert(c, strings.Contains(split[len(split)-2], "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) assert.ErrorContains(c, err, "", out) assert.Assert(c, !strings.Contains(out, "Retrying")) split := strings.Split(out, "\n") assert.Equal(c, split[len(split)-2], "authorization server did not include a token in the response") }