From 7ce129d63b10e8a8cd8b22fbb5525ab77d5fb3a6 Mon Sep 17 00:00:00 2001 From: Milos Gajdos Date: Sat, 18 Nov 2023 06:50:40 +0000 Subject: [PATCH] feat(linter): enable errcheck linter in golangci-lint Also, bump the linter version to the latest available version. Signed-off-by: Milos Gajdos --- .golangci.yml | 1 - cmd/registry/main.go | 4 ++ dockerfiles/lint.Dockerfile | 2 +- health/health.go | 3 + registry/auth/htpasswd/access.go | 5 +- registry/auth/htpasswd/htpasswd.go | 4 +- registry/auth/silly/access.go | 5 +- registry/auth/token/accesscontroller.go | 5 +- registry/auth/token/fuzz_test.go | 10 ++- registry/handlers/api_test.go | 47 ++++++++++--- registry/handlers/manifests.go | 4 +- registry/listener/listener.go | 10 ++- registry/proxy/proxyblobstore.go | 5 +- registry/proxy/proxymanifeststore.go | 5 +- registry/registry.go | 1 + registry/registry_test.go | 4 +- registry/root.go | 2 + registry/storage/blob_test.go | 5 +- registry/storage/driver/azure/azure.go | 8 ++- registry/storage/driver/azure/azure_test.go | 2 + registry/storage/driver/filesystem/driver.go | 5 +- registry/storage/driver/gcs/gcs_test.go | 2 + registry/storage/driver/inmemory/driver.go | 22 ++++-- .../middleware/cloudfront/middleware.go | 5 +- .../middleware/cloudfront/middleware_test.go | 4 +- .../middleware/cloudfront/s3filter_test.go | 68 +++++++++++++++---- .../driver/middleware/redirect/middleware.go | 5 +- registry/storage/driver/s3-aws/s3_test.go | 10 ++- .../storage/driver/s3-aws/s3_v2_signer.go | 3 + .../storage/driver/testsuites/testsuites.go | 13 +++- registry/storage/filereader_test.go | 4 +- registry/storage/garbagecollect_test.go | 17 +++-- registry/storage/manifeststore_test.go | 8 ++- registry/storage/purgeuploads_test.go | 2 +- testutil/handler.go | 5 +- testutil/manifests.go | 4 +- 36 files changed, 243 insertions(+), 66 deletions(-) diff --git a/.golangci.yml b/.golangci.yml index 5931556d9..a6dfe5ca6 100644 --- a/.golangci.yml +++ b/.golangci.yml @@ -11,7 +11,6 @@ linters: - misspell - bodyclose - prealloc - disable: - errcheck linters-settings: diff --git a/cmd/registry/main.go b/cmd/registry/main.go index 88cccf1dc..de160f301 100644 --- a/cmd/registry/main.go +++ b/cmd/registry/main.go @@ -18,5 +18,9 @@ import ( ) func main() { + // NOTE(milosgajdos): if the only two commands registered + // with registry.RootCmd fail they will halt the program + // execution and exit the program with non-zero exit code. + // nolint:errcheck registry.RootCmd.Execute() } diff --git a/dockerfiles/lint.Dockerfile b/dockerfiles/lint.Dockerfile index ca77e4018..27ef51e8d 100644 --- a/dockerfiles/lint.Dockerfile +++ b/dockerfiles/lint.Dockerfile @@ -2,7 +2,7 @@ ARG GO_VERSION=1.20.10 ARG ALPINE_VERSION=3.18 -ARG GOLANGCI_LINT_VERSION=v1.54.2 +ARG GOLANGCI_LINT_VERSION=v1.55.2 ARG BUILDTAGS="include_gcs" FROM golangci/golangci-lint:${GOLANGCI_LINT_VERSION}-alpine AS golangci-lint diff --git a/health/health.go b/health/health.go index 3e21f731f..57a714b66 100644 --- a/health/health.go +++ b/health/health.go @@ -265,6 +265,9 @@ func Handler(handler http.Handler) http.Handler { return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { checks := CheckStatus() if len(checks) != 0 { + // NOTE(milosgajdos): disable errcheck as the error is + // accessible via /debug/health + // nolint:errcheck errcode.ServeJSON(w, errcode.ErrorCodeUnavailable. WithDetail("health check failed: please see /debug/health")) return diff --git a/registry/auth/htpasswd/access.go b/registry/auth/htpasswd/access.go index c8c432653..c3f7f3025 100644 --- a/registry/auth/htpasswd/access.go +++ b/registry/auth/htpasswd/access.go @@ -20,6 +20,7 @@ import ( "github.com/distribution/distribution/v3/internal/dcontext" "github.com/distribution/distribution/v3/registry/auth" + "github.com/sirupsen/logrus" ) type accessController struct { @@ -151,5 +152,7 @@ func createHtpasswdFile(path string) error { } func init() { - auth.Register("htpasswd", auth.InitFunc(newAccessController)) + if err := auth.Register("htpasswd", auth.InitFunc(newAccessController)); err != nil { + logrus.Errorf("failed to register htpasswd auth: %v", err) + } } diff --git a/registry/auth/htpasswd/htpasswd.go b/registry/auth/htpasswd/htpasswd.go index 56f31b6ee..1eeaece7a 100644 --- a/registry/auth/htpasswd/htpasswd.go +++ b/registry/auth/htpasswd/htpasswd.go @@ -33,7 +33,9 @@ func (htpasswd *htpasswd) authenticateUser(username string, password string) err credentials, ok := htpasswd.entries[username] if !ok { // timing attack paranoia - bcrypt.CompareHashAndPassword([]byte{}, []byte(password)) + if err := bcrypt.CompareHashAndPassword([]byte{}, []byte(password)); err != nil { + return auth.ErrAuthenticationFailure + } return auth.ErrAuthenticationFailure } diff --git a/registry/auth/silly/access.go b/registry/auth/silly/access.go index 1984ba20d..8de17bb9c 100644 --- a/registry/auth/silly/access.go +++ b/registry/auth/silly/access.go @@ -13,6 +13,7 @@ import ( "strings" "github.com/distribution/distribution/v3/registry/auth" + "github.com/sirupsen/logrus" ) // accessController provides a simple implementation of auth.AccessController @@ -87,5 +88,7 @@ func (ch challenge) Error() string { // init registers the silly auth backend. func init() { - auth.Register("silly", auth.InitFunc(newAccessController)) + if err := auth.Register("silly", auth.InitFunc(newAccessController)); err != nil { + logrus.Errorf("failed to register silly auth: %v", err) + } } diff --git a/registry/auth/token/accesscontroller.go b/registry/auth/token/accesscontroller.go index bed4c827d..ffae9928e 100644 --- a/registry/auth/token/accesscontroller.go +++ b/registry/auth/token/accesscontroller.go @@ -14,6 +14,7 @@ import ( "github.com/distribution/distribution/v3/registry/auth" "github.com/go-jose/go-jose/v3" + "github.com/sirupsen/logrus" ) // accessSet maps a typed, named resource to @@ -339,5 +340,7 @@ func (ac *accessController) Authorized(req *http.Request, accessItems ...auth.Ac // init handles registering the token auth backend. func init() { - auth.Register("token", auth.InitFunc(newAccessController)) + if err := auth.Register("token", auth.InitFunc(newAccessController)); err != nil { + logrus.Errorf("tailed to register token auth: %v", err) + } } diff --git a/registry/auth/token/fuzz_test.go b/registry/auth/token/fuzz_test.go index a7b135424..7cbfbb7a8 100644 --- a/registry/auth/token/fuzz_test.go +++ b/registry/auth/token/fuzz_test.go @@ -22,7 +22,10 @@ func FuzzToken1(f *testing.F) { if err != nil { return } - token.Verify(verifyOps) + _, err = token.Verify(verifyOps) + if err != nil { + return + } _, _ = token.VerifySigningKey(verifyOps) }) } @@ -40,7 +43,10 @@ func FuzzToken2(f *testing.F) { if err != nil { return } - token.Verify(verifyOps) + _, err = token.Verify(verifyOps) + if err != nil { + return + } _, _ = token.VerifySigningKey(verifyOps) }) } diff --git a/registry/handlers/api_test.go b/registry/handlers/api_test.go index 7f2606e2f..a4091af33 100644 --- a/registry/handlers/api_test.go +++ b/registry/handlers/api_test.go @@ -339,6 +339,7 @@ func TestCatalogAPI(t *testing.T) { defer resp.Body.Close() checkResponse(t, "issuing catalog api check", resp, http.StatusBadRequest) + // nolint:errcheck checkBodyHasErrorCodes(t, "invalid number of results requested", resp, errcode.ErrorCodePaginationNumberInvalid) // ----------------------------------- @@ -360,6 +361,7 @@ func TestCatalogAPI(t *testing.T) { defer resp.Body.Close() checkResponse(t, "issuing catalog api check", resp, http.StatusBadRequest) + // nolint:errcheck checkBodyHasErrorCodes(t, "invalid number of results requested", resp, errcode.ErrorCodePaginationNumberInvalid) // ----------------------------------- @@ -409,6 +411,7 @@ func TestCatalogAPI(t *testing.T) { defer resp.Body.Close() checkResponse(t, "issuing catalog api check", resp, http.StatusBadRequest) + // nolint:errcheck checkBodyHasErrorCodes(t, "invalid number of results requested", resp, errcode.ErrorCodePaginationNumberInvalid) // ----------------------------------- @@ -584,6 +587,7 @@ func TestTagsAPI(t *testing.T) { } if test.expectedBodyErr != nil { + // nolint:errcheck checkBodyHasErrorCodes(t, "invalid number of results requested", resp, *test.expectedBodyErr) } else { var body tagsAPIResponse @@ -900,6 +904,7 @@ func testBlobAPI(t *testing.T, env *testEnv, args blobArgs) *testEnv { defer resp.Body.Close() checkResponse(t, "bad layer push", resp, http.StatusBadRequest) + // nolint:errcheck checkBodyHasErrorCodes(t, "bad layer push", resp, errcode.ErrorCodeDigestInvalid) // ----------------------------------------- @@ -927,15 +932,22 @@ func testBlobAPI(t *testing.T, env *testEnv, args blobArgs) *testEnv { // ------------------------------------------ // Now, actually do successful upload. - layerLength, _ := layerFile.Seek(0, io.SeekEnd) - layerFile.Seek(0, io.SeekStart) + layerLength, err := layerFile.Seek(0, io.SeekEnd) + if err != nil { + t.Fatalf("unexpected error seeking layer: %v", err) + } + if _, err := layerFile.Seek(0, io.SeekStart); err != nil { + t.Fatalf("unexpected error seeking layer: %v", err) + } uploadURLBase, _ = startPushLayer(t, env, imageName) pushLayer(t, env.builder, imageName, layerDigest, uploadURLBase, layerFile) // ------------------------------------------ // Now, push just a chunk - layerFile.Seek(0, 0) + if _, err := layerFile.Seek(0, io.SeekStart); err != nil { + t.Fatalf("unexpected error seeking layer: %v", err) + } canonicalDigester := digest.Canonical.Digester() if _, err := io.Copy(canonicalDigester.Hash(), layerFile); err != nil { @@ -943,7 +955,9 @@ func testBlobAPI(t *testing.T, env *testEnv, args blobArgs) *testEnv { } canonicalDigest := canonicalDigester.Digest() - layerFile.Seek(0, 0) + if _, err := layerFile.Seek(0, io.SeekStart); err != nil { + t.Fatalf("unexpected error seeking layer: %v", err) + } uploadURLBase, _ = startPushLayer(t, env, imageName) uploadURLBase, dgst := pushChunk(t, env.builder, imageName, uploadURLBase, layerFile, layerLength) @@ -961,7 +975,10 @@ func testBlobAPI(t *testing.T, env *testEnv, args blobArgs) *testEnv { // ----------------------------------------- // Do layer push with invalid content range - layerFile.Seek(0, io.SeekStart) + if _, err := layerFile.Seek(0, io.SeekStart); err != nil { + t.Fatalf("unexpected error seeking layer: %v", err) + } + uploadURLBase, _ = startPushLayer(t, env, imageName) sizeInvalid := chunkOptions{ contentRange: "0-20", @@ -973,7 +990,9 @@ func testBlobAPI(t *testing.T, env *testEnv, args blobArgs) *testEnv { defer resp.Body.Close() checkResponse(t, "putting size invalid chunk", resp, http.StatusBadRequest) - layerFile.Seek(0, io.SeekStart) + if _, err := layerFile.Seek(0, io.SeekStart); err != nil { + t.Fatalf("unexpected error seeking layer: %v", err) + } uploadURLBase, _ = startPushLayer(t, env, imageName) outOfOrder := chunkOptions{ contentRange: "3-22", @@ -1013,7 +1032,9 @@ func testBlobAPI(t *testing.T, env *testEnv, args blobArgs) *testEnv { // Verify the body verifier := layerDigest.Verifier() - io.Copy(verifier, resp.Body) + if _, err := io.Copy(verifier, resp.Body); err != nil { + t.Fatalf("unexpected error reading response body: %v", err) + } if !verifier.Verified() { t.Fatalf("response body did not pass verification") @@ -1134,12 +1155,16 @@ func testBlobDelete(t *testing.T, env *testEnv, args blobArgs) { // ---------------- // Reupload previously deleted blob - layerFile.Seek(0, io.SeekStart) + if _, err := layerFile.Seek(0, io.SeekStart); err != nil { + t.Fatalf("unexpected error seeking layer: %v", err) + } uploadURLBase, _ := startPushLayer(t, env, imageName) pushLayer(t, env.builder, imageName, layerDigest, uploadURLBase, layerFile) - layerFile.Seek(0, io.SeekStart) + if _, err := layerFile.Seek(0, io.SeekStart); err != nil { + t.Fatalf("unexpected error seeking layer: %v", err) + } canonicalDigester := digest.Canonical.Digester() if _, err := io.Copy(canonicalDigester.Hash(), layerFile); err != nil { t.Fatalf("error copying to digest: %v", err) @@ -1342,6 +1367,7 @@ func TestManifestAPI_DeleteTag_Unknown(t *testing.T) { defer resp.Body.Close() checkResponse(t, msg, resp, http.StatusNotFound) + // nolint:errcheck checkBodyHasErrorCodes(t, msg, resp, errcode.ErrorCodeManifestUnknown) } @@ -1504,6 +1530,7 @@ func testManifestWithStorageError(t *testing.T, env *testEnv, imageName referenc } defer resp.Body.Close() checkResponse(t, "getting non-existent manifest", resp, expectedStatusCode) + // nolint:errcheck checkBodyHasErrorCodes(t, "getting non-existent manifest", resp, expectedErrorCode) } @@ -1528,6 +1555,7 @@ func testManifestAPISchema2(t *testing.T, env *testEnv, imageName reference.Name defer resp.Body.Close() checkResponse(t, "getting non-existent manifest", resp, http.StatusNotFound) + // nolint:errcheck checkBodyHasErrorCodes(t, "getting non-existent manifest", resp, errcode.ErrorCodeManifestUnknown) tagsURL, err := env.builder.BuildTagsURL(imageName) @@ -1543,6 +1571,7 @@ func testManifestAPISchema2(t *testing.T, env *testEnv, imageName reference.Name // Check that we get an unknown repository error when asking for tags checkResponse(t, "getting unknown manifest tags", resp, http.StatusNotFound) + // nolint:errcheck checkBodyHasErrorCodes(t, "getting unknown manifest tags", resp, errcode.ErrorCodeNameUnknown) // -------------------------------- diff --git a/registry/handlers/manifests.go b/registry/handlers/manifests.go index 1eea810f7..0778db3f2 100644 --- a/registry/handlers/manifests.go +++ b/registry/handlers/manifests.go @@ -212,7 +212,9 @@ func (imh *manifestHandler) GetManifest(w http.ResponseWriter, r *http.Request) w.Header().Set("Content-Length", fmt.Sprint(len(p))) w.Header().Set("Docker-Content-Digest", imh.Digest.String()) w.Header().Set("Etag", fmt.Sprintf(`"%s"`, imh.Digest)) - w.Write(p) + if _, err := w.Write(p); err != nil { + w.WriteHeader(http.StatusInternalServerError) + } } func etagMatch(r *http.Request, etag string) bool { diff --git a/registry/listener/listener.go b/registry/listener/listener.go index 42b7eaff8..5b4330302 100644 --- a/registry/listener/listener.go +++ b/registry/listener/listener.go @@ -24,8 +24,14 @@ func (ln tcpKeepAliveListener) Accept() (c net.Conn, err error) { if err != nil { return } - tc.SetKeepAlive(true) - tc.SetKeepAlivePeriod(3 * time.Minute) + err = tc.SetKeepAlive(true) + if err != nil { + return + } + err = tc.SetKeepAlivePeriod(3 * time.Minute) + if err != nil { + return + } return tc, nil } diff --git a/registry/proxy/proxyblobstore.go b/registry/proxy/proxyblobstore.go index bf8ca22fd..c731605dc 100644 --- a/registry/proxy/proxyblobstore.go +++ b/registry/proxy/proxyblobstore.go @@ -138,7 +138,10 @@ func (pbs *proxyBlobStore) ServeBlob(ctx context.Context, w http.ResponseWriter, } if pbs.scheduler != nil && pbs.ttl != nil { - pbs.scheduler.AddBlob(blobRef, *pbs.ttl) + if err := pbs.scheduler.AddBlob(blobRef, *pbs.ttl); err != nil { + dcontext.GetLogger(ctx).Errorf("Error adding blob: %s", err) + return err + } } return nil diff --git a/registry/proxy/proxymanifeststore.go b/registry/proxy/proxymanifeststore.go index 1b0e5a314..4c9acb59f 100644 --- a/registry/proxy/proxymanifeststore.go +++ b/registry/proxy/proxymanifeststore.go @@ -77,7 +77,10 @@ func (pms proxyManifestStore) Get(ctx context.Context, dgst digest.Digest, optio } if pms.scheduler != nil && pms.ttl != nil { - pms.scheduler.AddManifest(repoBlob, *pms.ttl) + if err := pms.scheduler.AddManifest(repoBlob, *pms.ttl); err != nil { + dcontext.GetLogger(ctx).Errorf("Error adding manifest: %s", err) + return nil, err + } } // Ensure the manifest blob is cleaned up diff --git a/registry/registry.go b/registry/registry.go index 933013c58..54869c689 100644 --- a/registry/registry.go +++ b/registry/registry.go @@ -102,6 +102,7 @@ var ServeCmd = &cobra.Command{ config, err := resolveConfiguration(args) if err != nil { fmt.Fprintf(os.Stderr, "configuration error: %v\n", err) + // nolint:errcheck cmd.Usage() os.Exit(1) } diff --git a/registry/registry_test.go b/registry/registry_test.go index 194da97ac..98dd6c94d 100644 --- a/registry/registry_test.go +++ b/registry/registry_test.go @@ -219,7 +219,9 @@ func buildRegistryTLSConfig(name, keyType string, cipherSuites []string) (*regis return nil, fmt.Errorf("failed to create certificate: %v", err) } if _, err := os.Stat(os.TempDir()); os.IsNotExist(err) { - os.Mkdir(os.TempDir(), 1777) + if err := os.Mkdir(os.TempDir(), 1777); err != nil { + return nil, fmt.Errorf("failed to create temp dir: %v", err) + } } certPath := path.Join(os.TempDir(), name+".pem") diff --git a/registry/root.go b/registry/root.go index 3119ea854..15f95f3d2 100644 --- a/registry/root.go +++ b/registry/root.go @@ -31,6 +31,7 @@ var RootCmd = &cobra.Command{ version.PrintVersion() return } + // nolint:errcheck cmd.Usage() }, } @@ -49,6 +50,7 @@ var GCCmd = &cobra.Command{ config, err := resolveConfiguration(args) if err != nil { fmt.Fprintf(os.Stderr, "configuration error: %v\n", err) + // nolint:errcheck cmd.Usage() os.Exit(1) } diff --git a/registry/storage/blob_test.go b/registry/storage/blob_test.go index f3cc11797..768cd65c3 100644 --- a/registry/storage/blob_test.go +++ b/registry/storage/blob_test.go @@ -39,7 +39,9 @@ func TestWriteSeek(t *testing.T) { t.Fatalf("unexpected error starting layer upload: %s", err) } contents := []byte{1, 2, 3} - blobUpload.Write(contents) + if _, err := blobUpload.Write(contents); err != nil { + t.Fatalf("unexpected error writing contets: %v", err) + } blobUpload.Close() offset := blobUpload.Size() if offset != int64(len(contents)) { @@ -596,6 +598,7 @@ func addBlob(ctx context.Context, bs distribution.BlobIngester, desc distributio if err != nil { return distribution.Descriptor{}, err } + // nolint:errcheck defer wr.Cancel(ctx) if nn, err := io.Copy(wr, rd); err != nil { diff --git a/registry/storage/driver/azure/azure.go b/registry/storage/driver/azure/azure.go index 45fd85c9d..5b0b5f905 100644 --- a/registry/storage/driver/azure/azure.go +++ b/registry/storage/driver/azure/azure.go @@ -319,7 +319,9 @@ func (d *driver) Move(ctx context.Context, sourcePath string, destPath string) e copyStatus := *resp.CopyStatus if d.copyStatusPollMaxRetry == -1 && copyStatus == blob.CopyStatusTypePending { - destBlobRef.AbortCopyFromURL(ctx, *resp.CopyID, nil) + if _, err := destBlobRef.AbortCopyFromURL(ctx, *resp.CopyID, nil); err != nil { + return err + } return nil } @@ -331,7 +333,9 @@ func (d *driver) Move(ctx context.Context, sourcePath string, destPath string) e } if retryCount >= d.copyStatusPollMaxRetry { - destBlobRef.AbortCopyFromURL(ctx, *props.CopyID, nil) + if _, err := destBlobRef.AbortCopyFromURL(ctx, *props.CopyID, nil); err != nil { + return err + } return fmt.Errorf("max retries for copy polling reached, aborting copy") } diff --git a/registry/storage/driver/azure/azure_test.go b/registry/storage/driver/azure/azure_test.go index 3cdb3f1c1..08a53d50a 100644 --- a/registry/storage/driver/azure/azure_test.go +++ b/registry/storage/driver/azure/azure_test.go @@ -107,7 +107,9 @@ func TestCommitAfterMove(t *testing.T) { destPath := "/dest/file" ctx := context.Background() + // nolint:errcheck defer driver.Delete(ctx, sourcePath) + // nolint:errcheck defer driver.Delete(ctx, destPath) writer, err := driver.Writer(ctx, sourcePath, false) diff --git a/registry/storage/driver/filesystem/driver.go b/registry/storage/driver/filesystem/driver.go index c8746bdd6..72f80e906 100644 --- a/registry/storage/driver/filesystem/driver.go +++ b/registry/storage/driver/filesystem/driver.go @@ -4,6 +4,7 @@ import ( "bufio" "bytes" "context" + "errors" "fmt" "io" "net/http" @@ -140,7 +141,9 @@ func (d *driver) PutContent(ctx context.Context, subPath string, contents []byte defer writer.Close() _, err = io.Copy(writer, bytes.NewReader(contents)) if err != nil { - writer.Cancel(ctx) + if cErr := writer.Cancel(ctx); cErr != nil { + return errors.Join(err, cErr) + } return err } return writer.Commit(ctx) diff --git a/registry/storage/driver/gcs/gcs_test.go b/registry/storage/driver/gcs/gcs_test.go index bfb21c3a7..67176273e 100644 --- a/registry/storage/driver/gcs/gcs_test.go +++ b/registry/storage/driver/gcs/gcs_test.go @@ -119,6 +119,7 @@ func TestCommitEmpty(t *testing.T) { ctx := dcontext.Background() writer, err := driver.Writer(ctx, filename, false) + // nolint:errcheck defer driver.Delete(ctx, filename) if err != nil { t.Fatalf("driver.Writer: unexpected error: %v", err) @@ -162,6 +163,7 @@ func TestCommit(t *testing.T) { contents := make([]byte, defaultChunkSize) writer, err := driver.Writer(ctx, filename, false) + // nolint:errcheck defer driver.Delete(ctx, filename) if err != nil { t.Fatalf("driver.Writer: unexpected error: %v", err) diff --git a/registry/storage/driver/inmemory/driver.go b/registry/storage/driver/inmemory/driver.go index 1915c0111..0256603c1 100644 --- a/registry/storage/driver/inmemory/driver.go +++ b/registry/storage/driver/inmemory/driver.go @@ -97,7 +97,9 @@ func (d *driver) PutContent(ctx context.Context, p string, contents []byte) erro } f.truncate() - f.WriteAt(contents, 0) + if _, err := f.WriteAt(contents, 0); err != nil { + return err + } return nil } @@ -301,7 +303,10 @@ func (w *writer) Close() error { return fmt.Errorf("already closed") } w.closed = true - w.flush() + + if err := w.flush(); err != nil { + return err + } return nil } @@ -329,16 +334,23 @@ func (w *writer) Commit(ctx context.Context) error { return fmt.Errorf("already cancelled") } w.committed = true - w.flush() + + if err := w.flush(); err != nil { + return err + } return nil } -func (w *writer) flush() { +func (w *writer) flush() error { w.d.mutex.Lock() defer w.d.mutex.Unlock() - w.f.WriteAt(w.buffer, int64(len(w.f.data))) + if _, err := w.f.WriteAt(w.buffer, int64(len(w.f.data))); err != nil { + return err + } w.buffer = []byte{} w.buffSize = 0 + + return nil } diff --git a/registry/storage/driver/middleware/cloudfront/middleware.go b/registry/storage/driver/middleware/cloudfront/middleware.go index 63cd2bf96..3d07f2fdd 100644 --- a/registry/storage/driver/middleware/cloudfront/middleware.go +++ b/registry/storage/driver/middleware/cloudfront/middleware.go @@ -17,6 +17,7 @@ import ( "github.com/distribution/distribution/v3/internal/dcontext" storagedriver "github.com/distribution/distribution/v3/registry/storage/driver" storagemiddleware "github.com/distribution/distribution/v3/registry/storage/driver/middleware" + "github.com/sirupsen/logrus" ) // cloudFrontStorageMiddleware provides a simple implementation of layerHandler that @@ -226,5 +227,7 @@ func (lh *cloudFrontStorageMiddleware) RedirectURL(r *http.Request, path string) // init registers the cloudfront layerHandler backend. func init() { - storagemiddleware.Register("cloudfront", newCloudFrontStorageMiddleware) + if err := storagemiddleware.Register("cloudfront", newCloudFrontStorageMiddleware); err != nil { + logrus.Errorf("failed to register cloudfront middleware: %v", err) + } } diff --git a/registry/storage/driver/middleware/cloudfront/middleware_test.go b/registry/storage/driver/middleware/cloudfront/middleware_test.go index 67ec077fd..c52ea320c 100644 --- a/registry/storage/driver/middleware/cloudfront/middleware_test.go +++ b/registry/storage/driver/middleware/cloudfront/middleware_test.go @@ -45,7 +45,9 @@ pZeMRablbPQdp8/1NyIwimq1VlG0ohQ4P6qhW7E09ZMC if err != nil { t.Fatal("File cannot be created") } - file.WriteString(privk) + if _, err := file.WriteString(privk); err != nil { + t.Fatal(err) + } defer os.Remove(file.Name()) options["privatekey"] = file.Name() options["keypairid"] = "test" diff --git a/registry/storage/driver/middleware/cloudfront/s3filter_test.go b/registry/storage/driver/middleware/cloudfront/s3filter_test.go index bd789ed16..32b1fb5dd 100644 --- a/registry/storage/driver/middleware/cloudfront/s3filter_test.go +++ b/registry/storage/driver/middleware/cloudfront/s3filter_test.go @@ -9,6 +9,7 @@ import ( "net/http" "net/http/httptest" "reflect" // used as a replacement for testify + "sync" "testing" "time" ) @@ -31,7 +32,10 @@ func (m mockIPRangeHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) { w.WriteHeader(500) return } - w.Write(bytes) + if _, err := w.Write(bytes); err != nil { + w.WriteHeader(500) + return + } } func newTestHandler(data awsIPResponse) *httptest.Server { @@ -77,7 +81,8 @@ func TestMatchIPV6(t *testing.T) { ctx := context.Background() ips, _ := newAWSIPs(ctx, serverIPRanges(server), time.Hour, nil) - ips.tryUpdate(ctx) + err := ips.tryUpdate(ctx) + assertEqual(t, err, nil) assertEqual(t, true, ips.contains(net.ParseIP("ff00::"))) assertEqual(t, 1, len(ips.ipv6)) assertEqual(t, 0, len(ips.ipv4)) @@ -94,7 +99,8 @@ func TestMatchIPV4(t *testing.T) { ctx := context.Background() ips, _ := newAWSIPs(ctx, serverIPRanges(server), time.Hour, nil) - ips.tryUpdate(ctx) + err := ips.tryUpdate(ctx) + assertEqual(t, err, nil) assertEqual(t, true, ips.contains(net.ParseIP("192.168.0.0"))) assertEqual(t, true, ips.contains(net.ParseIP("192.168.0.1"))) assertEqual(t, false, ips.contains(net.ParseIP("192.169.0.0"))) @@ -114,7 +120,8 @@ func TestMatchIPV4_2(t *testing.T) { ctx := context.Background() ips, _ := newAWSIPs(ctx, serverIPRanges(server), time.Hour, nil) - ips.tryUpdate(ctx) + err := ips.tryUpdate(ctx) + assertEqual(t, err, nil) assertEqual(t, true, ips.contains(net.ParseIP("192.168.0.0"))) assertEqual(t, true, ips.contains(net.ParseIP("192.168.0.1"))) assertEqual(t, false, ips.contains(net.ParseIP("192.169.0.0"))) @@ -134,7 +141,8 @@ func TestMatchIPV4WithRegionMatched(t *testing.T) { ctx := context.Background() ips, _ := newAWSIPs(ctx, serverIPRanges(server), time.Hour, []string{"us-east-1"}) - ips.tryUpdate(ctx) + err := ips.tryUpdate(ctx) + assertEqual(t, err, nil) assertEqual(t, true, ips.contains(net.ParseIP("192.168.0.0"))) assertEqual(t, true, ips.contains(net.ParseIP("192.168.0.1"))) assertEqual(t, false, ips.contains(net.ParseIP("192.169.0.0"))) @@ -154,7 +162,8 @@ func TestMatchIPV4WithRegionMatch_2(t *testing.T) { ctx := context.Background() ips, _ := newAWSIPs(ctx, serverIPRanges(server), time.Hour, []string{"us-west-2", "us-east-1"}) - ips.tryUpdate(ctx) + err := ips.tryUpdate(ctx) + assertEqual(t, err, nil) assertEqual(t, true, ips.contains(net.ParseIP("192.168.0.0"))) assertEqual(t, true, ips.contains(net.ParseIP("192.168.0.1"))) assertEqual(t, false, ips.contains(net.ParseIP("192.169.0.0"))) @@ -174,7 +183,8 @@ func TestMatchIPV4WithRegionNotMatched(t *testing.T) { ctx := context.Background() ips, _ := newAWSIPs(ctx, serverIPRanges(server), time.Hour, []string{"us-west-2"}) - ips.tryUpdate(ctx) + err := ips.tryUpdate(ctx) + assertEqual(t, err, nil) assertEqual(t, false, ips.contains(net.ParseIP("192.168.0.0"))) assertEqual(t, false, ips.contains(net.ParseIP("192.168.0.1"))) assertEqual(t, false, ips.contains(net.ParseIP("192.169.0.0"))) @@ -193,7 +203,8 @@ func TestInvalidData(t *testing.T) { ctx := context.Background() ips, _ := newAWSIPs(ctx, serverIPRanges(server), time.Hour, nil) - ips.tryUpdate(ctx) + err := ips.tryUpdate(ctx) + assertEqual(t, err, nil) assertEqual(t, 1, len(ips.ipv4)) } @@ -227,7 +238,12 @@ func TestParsing(t *testing.T) { "region": "anotherregion", "service": "ec2"}] }` - rawMockHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { w.Write([]byte(data)) }) + rawMockHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + if _, err := w.Write([]byte(data)); err != nil { + w.WriteHeader(500) + return + } + }) t.Parallel() server := httptest.NewServer(rawMockHandler) defer server.Close() @@ -251,15 +267,25 @@ func TestParsing(t *testing.T) { func TestUpdateCalledRegularly(t *testing.T) { t.Parallel() + mu := &sync.RWMutex{} updateCount := 0 + server := httptest.NewServer(http.HandlerFunc( func(rw http.ResponseWriter, req *http.Request) { + mu.Lock() updateCount++ - rw.Write([]byte("ok")) + mu.Unlock() + if _, err := rw.Write([]byte("ok")); err != nil { + rw.WriteHeader(http.StatusInternalServerError) + } })) defer server.Close() - newAWSIPs(context.Background(), fmt.Sprintf("%s/", server.URL), time.Second, nil) + if _, err := newAWSIPs(context.Background(), fmt.Sprintf("%s/", server.URL), time.Second, nil); err != nil { + t.Fatalf("failed creating AWS IP filter: %v", err) + } time.Sleep(time.Second*4 + time.Millisecond*500) + mu.RLock() + defer mu.RUnlock() if updateCount < 4 { t.Errorf("Update should have been called at least 4 times, actual=%d", updateCount) } @@ -364,8 +390,14 @@ func BenchmarkContainsRandom(b *testing.B) { for i := 0; i < b.N; i++ { ipv4[i] = make([]byte, 4) ipv6[i] = make([]byte, 16) - rand.Read(ipv4[i]) - rand.Read(ipv6[i]) + _, err := rand.Read(ipv4[i]) + if err != nil { + b.Fatal(err) + } + _, err = rand.Read(ipv6[i]) + if err != nil { + b.Fatal(err) + } } b.ResetTimer() for i := 0; i < b.N; i++ { @@ -381,8 +413,14 @@ func BenchmarkContainsProd(b *testing.B) { for i := 0; i < b.N; i++ { ipv4[i] = make([]byte, 4) ipv6[i] = make([]byte, 16) - rand.Read(ipv4[i]) - rand.Read(ipv6[i]) + _, err := rand.Read(ipv4[i]) + if err != nil { + b.Fatal(err) + } + _, err = rand.Read(ipv6[i]) + if err != nil { + b.Fatal(err) + } } b.ResetTimer() for i := 0; i < b.N; i++ { diff --git a/registry/storage/driver/middleware/redirect/middleware.go b/registry/storage/driver/middleware/redirect/middleware.go index 3b1e4a30a..e6b9b692d 100644 --- a/registry/storage/driver/middleware/redirect/middleware.go +++ b/registry/storage/driver/middleware/redirect/middleware.go @@ -9,6 +9,7 @@ import ( storagedriver "github.com/distribution/distribution/v3/registry/storage/driver" storagemiddleware "github.com/distribution/distribution/v3/registry/storage/driver/middleware" + "github.com/sirupsen/logrus" ) type redirectStorageMiddleware struct { @@ -52,5 +53,7 @@ func (r *redirectStorageMiddleware) RedirectURL(_ *http.Request, urlPath string) } func init() { - storagemiddleware.Register("redirect", newRedirectStorageMiddleware) + if err := storagemiddleware.Register("redirect", newRedirectStorageMiddleware); err != nil { + logrus.Errorf("tailed to register redirect storage middleware: %v", err) + } } diff --git a/registry/storage/driver/s3-aws/s3_test.go b/registry/storage/driver/s3-aws/s3_test.go index 5568ac865..2250ac81f 100644 --- a/registry/storage/driver/s3-aws/s3_test.go +++ b/registry/storage/driver/s3-aws/s3_test.go @@ -186,6 +186,7 @@ func TestEmptyRootList(t *testing.T) { if err != nil { t.Fatalf("unexpected error creating content: %v", err) } + // nolint:errcheck defer rootedDriver.Delete(ctx, filename) keys, _ := emptyRootDriver.List(ctx, "/") @@ -230,6 +231,7 @@ func TestStorageClass(t *testing.T) { if err != nil { t.Fatalf("unexpected error creating content with storage class %v: %v", storageClass, err) } + // nolint:errcheck defer s3Driver.Delete(ctx, filename) driverUnwrapped := s3Driver.Base.StorageDriver.(*driver) @@ -751,17 +753,21 @@ func TestMoveWithMultipartCopy(t *testing.T) { sourcePath := "/source" destPath := "/dest" + // nolint:errcheck defer d.Delete(ctx, sourcePath) + // nolint:errcheck defer d.Delete(ctx, destPath) // An object larger than d's MultipartCopyThresholdSize will cause d.Move() to perform a multipart copy. multipartCopyThresholdSize := d.baseEmbed.Base.StorageDriver.(*driver).MultipartCopyThresholdSize contents := make([]byte, 2*multipartCopyThresholdSize) - rand.Read(contents) + if _, err := rand.Read(contents); err != nil { + t.Fatalf("unexpected error creating content: %v", err) + } err = d.PutContent(ctx, sourcePath, contents) if err != nil { - t.Fatalf("unexpected error creating content: %v", err) + t.Fatalf("unexpected error writing content: %v", err) } err = d.Move(ctx, sourcePath, destPath) diff --git a/registry/storage/driver/s3-aws/s3_v2_signer.go b/registry/storage/driver/s3-aws/s3_v2_signer.go index 9f1e621cf..1af9d8828 100644 --- a/registry/storage/driver/s3-aws/s3_v2_signer.go +++ b/registry/storage/driver/s3-aws/s3_v2_signer.go @@ -105,6 +105,9 @@ func Sign(req *request.Request) { Time: req.Time, Credentials: req.Config.Credentials, } + // TODO(milosgajdos): figure this out; if Sign returns error which we should check, + // we should modify the codepath related to svc.Handlers.Sign.PushBack etc. + // nolint:errcheck v2.Sign() } diff --git a/registry/storage/driver/testsuites/testsuites.go b/registry/storage/driver/testsuites/testsuites.go index 72c6ca45e..99dd24b68 100644 --- a/registry/storage/driver/testsuites/testsuites.go +++ b/registry/storage/driver/testsuites/testsuites.go @@ -302,7 +302,9 @@ func (suite *DriverSuite) TestWriteReadLargeStreams(c *check.C) { defer reader.Close() writtenChecksum := sha256.New() - io.Copy(writtenChecksum, reader) + if _, err := io.Copy(writtenChecksum, reader); err != nil { + c.Assert(err, check.IsNil) + } c.Assert(writtenChecksum.Sum(nil), check.DeepEquals, checksum.Sum(nil)) } @@ -1108,6 +1110,7 @@ func (suite *DriverSuite) benchmarkPutGetFiles(c *check.C, size int64) { parentDir := randomPath(8) defer func() { c.StopTimer() + // nolint:errcheck suite.StorageDriver.Delete(suite.ctx, firstPart(parentDir)) }() @@ -1146,6 +1149,7 @@ func (suite *DriverSuite) benchmarkStreamFiles(c *check.C, size int64) { parentDir := randomPath(8) defer func() { c.StopTimer() + // nolint:errcheck suite.StorageDriver.Delete(suite.ctx, firstPart(parentDir)) }() @@ -1182,6 +1186,7 @@ func (suite *DriverSuite) benchmarkListFiles(c *check.C, numFiles int64) { parentDir := randomPath(8) defer func() { c.StopTimer() + // nolint:errcheck suite.StorageDriver.Delete(suite.ctx, firstPart(parentDir)) }() @@ -1240,8 +1245,10 @@ func (suite *DriverSuite) testFileStreams(c *check.C, size int64) { _, err = tf.Write(contents) c.Assert(err, check.IsNil) - tf.Sync() - tf.Seek(0, io.SeekStart) + err = tf.Sync() + c.Assert(err, check.IsNil) + _, err = tf.Seek(0, io.SeekStart) + c.Assert(err, check.IsNil) writer, err := suite.StorageDriver.Writer(suite.ctx, filename, false) c.Assert(err, check.IsNil) diff --git a/registry/storage/filereader_test.go b/registry/storage/filereader_test.go index 5dfa29473..1f44806e5 100644 --- a/registry/storage/filereader_test.go +++ b/registry/storage/filereader_test.go @@ -42,7 +42,9 @@ func TestSimpleRead(t *testing.T) { } verifier := dgst.Verifier() - io.Copy(verifier, fr) + if _, err := io.Copy(verifier, fr); err != nil { + t.Fatalf("failed writing verification data: %v", err) + } if !verifier.Verified() { t.Fatalf("unable to verify read data") diff --git a/registry/storage/garbagecollect_test.go b/registry/storage/garbagecollect_test.go index 5e69a1786..be67ce7a6 100644 --- a/registry/storage/garbagecollect_test.go +++ b/registry/storage/garbagecollect_test.go @@ -224,10 +224,12 @@ func TestDeleteManifestIfTagNotFound(t *testing.T) { } manifestEnumerator, _ := manifestService.(distribution.ManifestEnumerator) - manifestEnumerator.Enumerate(ctx, func(dgst digest.Digest) error { - repo.Tags(ctx).Tag(ctx, "test", distribution.Descriptor{Digest: dgst}) - return nil + err = manifestEnumerator.Enumerate(ctx, func(dgst digest.Digest) error { + return repo.Tags(ctx).Tag(ctx, "test", distribution.Descriptor{Digest: dgst}) }) + if err != nil { + t.Fatalf("manifest enumeration failed: %v", err) + } before1 := allBlobs(t, registry) before2 := allManifests(t, manifestService) @@ -314,8 +316,13 @@ func TestDeletionHasEffect(t *testing.T) { image2 := uploadRandomSchema2Image(t, repo) image3 := uploadRandomSchema2Image(t, repo) - manifests.Delete(ctx, image2.manifestDigest) - manifests.Delete(ctx, image3.manifestDigest) + if err := manifests.Delete(ctx, image2.manifestDigest); err != nil { + t.Fatalf("failed deleting manifest digest: %v", err) + } + + if err := manifests.Delete(ctx, image3.manifestDigest); err != nil { + t.Fatalf("failed deleting manifest digest: %v", err) + } // Run GC err := MarkAndSweep(dcontext.Background(), inmemoryDriver, registry, GCOpts{ diff --git a/registry/storage/manifeststore_test.go b/registry/storage/manifeststore_test.go index 82a6c97db..3c1cb9dde 100644 --- a/registry/storage/manifeststore_test.go +++ b/registry/storage/manifeststore_test.go @@ -137,7 +137,9 @@ func testManifestStorage(t *testing.T, options ...RegistryOption) { if _, err := wr.Commit(env.ctx, distribution.Descriptor{Digest: dgst}); err != nil { t.Fatalf("unexpected error finishing upload: %v", err) } - builder.AppendReference(distribution.Descriptor{Digest: dgst}) + if err := builder.AppendReference(distribution.Descriptor{Digest: dgst, MediaType: schema2.MediaTypeLayer}); err != nil { + t.Fatalf("unexpected error appending references: %v", err) + } } sm, err := builder.Build(ctx) @@ -349,7 +351,9 @@ func testOCIManifestStorage(t *testing.T, testname string, includeMediaTypes boo t.Fatalf("%s: unexpected error finishing upload: %v", testname, err) } - builder.AppendReference(distribution.Descriptor{Digest: dgst}) + if err := builder.AppendReference(distribution.Descriptor{Digest: dgst, MediaType: v1.MediaTypeImageLayer}); err != nil { + t.Fatalf("%s unexpected error appending references: %v", testname, err) + } } mfst, err := builder.Build(ctx) diff --git a/registry/storage/purgeuploads_test.go b/registry/storage/purgeuploads_test.go index 93aa8a95e..2b51ee898 100644 --- a/registry/storage/purgeuploads_test.go +++ b/registry/storage/purgeuploads_test.go @@ -35,7 +35,7 @@ func addUploads(ctx context.Context, t *testing.T, d driver.StorageDriver, uploa t.Fatalf("Unable to resolve path") } - if d.PutContent(ctx, startedAtPath, []byte(startedAt.Format(time.RFC3339))); err != nil { + if err := d.PutContent(ctx, startedAtPath, []byte(startedAt.Format(time.RFC3339))); err != nil { t.Fatalf("Unable to write startedAt file") } } diff --git a/testutil/handler.go b/testutil/handler.go index 9e6911060..96aa0fe7a 100644 --- a/testutil/handler.go +++ b/testutil/handler.go @@ -143,5 +143,8 @@ func (app *testHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) { w.WriteHeader(response.StatusCode) - io.Copy(w, bytes.NewReader(response.Body)) + if _, err := io.Copy(w, bytes.NewReader(response.Body)); err != nil { + http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError) + return + } } diff --git a/testutil/manifests.go b/testutil/manifests.go index dd1cc3a3d..4f2134df1 100644 --- a/testutil/manifests.go +++ b/testutil/manifests.go @@ -50,7 +50,9 @@ func MakeSchema2Manifest(repository distribution.Repository, digests []digest.Di } builder := schema2.NewManifestBuilder(d, configJSON) for _, digest := range digests { - builder.AppendReference(distribution.Descriptor{Digest: digest}) + if err := builder.AppendReference(distribution.Descriptor{Digest: digest}); err != nil { + return nil, fmt.Errorf("unexpected error building manifest: %v", err) + } } mfst, err := builder.Build(ctx)