Merge pull request #3023 from sayboras/feature/golangci-lint

Migrate to golangci-lint

.golangci.yml

@@ -0,0 +1,20 @@
+linters:
+  enable:
+    - structcheck
+    - varcheck
+    - staticcheck
+    - unconvert
+    - gofmt
+    - goimports
+    - golint
+    - ineffassign
+    - vet
+    - unused
+    - misspell
+  disable:
+    - errcheck
+
+run:
+  deadline: 2m
+  skip-dirs:
+    - vendor

.gometalinter.json

@@ -1,16 +0,0 @@
-{
-  "Vendor": true,
-  "Deadline": "2m",
-  "Sort": ["linter", "severity", "path", "line"],
-  "EnableGC": true,
-  "Enable": [
-    "structcheck",
-    "staticcheck",
-    "unconvert",
-
-    "gofmt",
-    "goimports",
-    "golint",
-    "vet"
-  ]
-}

Makefile

@@ -50,7 +50,7 @@ version/version.go:
 
 check: ## run all linters (TODO: enable "unused", "varcheck", "ineffassign", "unconvert", "staticheck", "goimports", "structcheck")
 	@echo "$(WHALE) $@"
-	gometalinter --config .gometalinter.json ./...
+	@GO111MODULE=off golangci-lint run
 
 test: ## run tests, except integration test with test.short
 	@echo "$(WHALE) $@"

blobs.go

@@ -10,7 +10,7 @@ import (
 
 	"github.com/docker/distribution/reference"
 	"github.com/opencontainers/go-digest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 var (

cmd/registry-api-descriptor-template/main.go

@@ -21,7 +21,7 @@ import (
 	"text/template"
 
 	"github.com/docker/distribution/registry/api/errcode"
-	"github.com/docker/distribution/registry/api/v2"
+	v2 "github.com/docker/distribution/registry/api/v2"
 )
 
 var spaceRegex = regexp.MustCompile(`\n\s*`)

manifest/manifestlist/manifestlist.go

@@ -8,7 +8,7 @@ import (
 	"github.com/docker/distribution"
 	"github.com/docker/distribution/manifest"
 	"github.com/opencontainers/go-digest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 const (

manifest/manifestlist/manifestlist_test.go

@@ -7,7 +7,7 @@ import (
 	"testing"
 
 	"github.com/docker/distribution"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 var expectedManifestListSerialization = []byte(`{

manifest/ocischema/builder.go

@@ -7,7 +7,7 @@ import (
 	"github.com/docker/distribution"
 	"github.com/docker/distribution/manifest"
 	"github.com/opencontainers/go-digest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 // Builder is a type for constructing manifests.

manifest/ocischema/builder_test.go

@@ -7,7 +7,7 @@ import (
 
 	"github.com/docker/distribution"
 	"github.com/opencontainers/go-digest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 type mockBlobService struct {

manifest/ocischema/manifest.go

@@ -8,7 +8,7 @@ import (
 	"github.com/docker/distribution"
 	"github.com/docker/distribution/manifest"
 	"github.com/opencontainers/go-digest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 var (

manifest/ocischema/manifest_test.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/docker/distribution"
 	"github.com/docker/distribution/manifest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 var expectedManifestSerialization = []byte(`{

notifications/bridge_test.go

@@ -6,7 +6,7 @@ import (
 	"github.com/docker/distribution"
 	"github.com/docker/distribution/manifest/schema1"
 	"github.com/docker/distribution/reference"
-	"github.com/docker/distribution/registry/api/v2"
+	v2 "github.com/docker/distribution/registry/api/v2"
 	"github.com/docker/distribution/uuid"
 	"github.com/docker/libtrust"
 	"github.com/opencontainers/go-digest"

reference/reference_test.go

@@ -639,7 +639,7 @@ func TestParseNamed(t *testing.T) {
 			failf("error parsing name: %s", err)
 			continue
 		} else if err == nil && testcase.err != nil {
-			failf("parsing succeded: expected error %v", testcase.err)
+			failf("parsing succeeded: expected error %v", testcase.err)
 			continue
 		} else if err != testcase.err {
 			failf("unexpected error %v, expected %v", err, testcase.err)

registry/client/repository.go

@@ -16,7 +16,7 @@ import (
 
 	"github.com/docker/distribution"
 	"github.com/docker/distribution/reference"
-	"github.com/docker/distribution/registry/api/v2"
+	v2 "github.com/docker/distribution/registry/api/v2"
 	"github.com/docker/distribution/registry/client/transport"
 	"github.com/docker/distribution/registry/storage/cache"
 	"github.com/docker/distribution/registry/storage/cache/memory"

registry/handlers/api_test.go

@@ -28,7 +28,7 @@ import (
 	"github.com/docker/distribution/manifest/schema2"
 	"github.com/docker/distribution/reference"
 	"github.com/docker/distribution/registry/api/errcode"
-	"github.com/docker/distribution/registry/api/v2"
+	v2 "github.com/docker/distribution/registry/api/v2"
 	storagedriver "github.com/docker/distribution/registry/storage/driver"
 	"github.com/docker/distribution/registry/storage/driver/factory"
 	_ "github.com/docker/distribution/registry/storage/driver/testdriver"
@@ -2355,7 +2355,7 @@ func checkBodyHasErrorCodes(t *testing.T, msg string, resp *http.Response, error
 	// Ensure that counts of expected errors were all non-zero
 	for code := range expected {
 		if counts[code] == 0 {
-			t.Fatalf("expected error code %v not encounterd during %s: %s", code, msg, string(p))
+			t.Fatalf("expected error code %v not encountered during %s: %s", code, msg, string(p))
 		}
 	}
 

registry/handlers/app.go

@@ -24,7 +24,7 @@ import (
 	"github.com/docker/distribution/notifications"
 	"github.com/docker/distribution/reference"
 	"github.com/docker/distribution/registry/api/errcode"
-	"github.com/docker/distribution/registry/api/v2"
+	v2 "github.com/docker/distribution/registry/api/v2"
 	"github.com/docker/distribution/registry/auth"
 	registrymiddleware "github.com/docker/distribution/registry/middleware/registry"
 	repositorymiddleware "github.com/docker/distribution/registry/middleware/repository"

registry/handlers/app_test.go

@@ -11,7 +11,7 @@ import (
 	"github.com/docker/distribution/configuration"
 	"github.com/docker/distribution/context"
 	"github.com/docker/distribution/registry/api/errcode"
-	"github.com/docker/distribution/registry/api/v2"
+	v2 "github.com/docker/distribution/registry/api/v2"
 	"github.com/docker/distribution/registry/auth"
 	_ "github.com/docker/distribution/registry/auth/silly"
 	"github.com/docker/distribution/registry/storage"

registry/handlers/blob.go

@@ -6,7 +6,7 @@ import (
 	"github.com/docker/distribution"
 	"github.com/docker/distribution/context"
 	"github.com/docker/distribution/registry/api/errcode"
-	"github.com/docker/distribution/registry/api/v2"
+	v2 "github.com/docker/distribution/registry/api/v2"
 	"github.com/gorilla/handlers"
 	"github.com/opencontainers/go-digest"
 )

registry/handlers/context.go

@@ -8,7 +8,7 @@ import (
 	"github.com/docker/distribution"
 	dcontext "github.com/docker/distribution/context"
 	"github.com/docker/distribution/registry/api/errcode"
-	"github.com/docker/distribution/registry/api/v2"
+	v2 "github.com/docker/distribution/registry/api/v2"
 	"github.com/docker/distribution/registry/auth"
 	"github.com/opencontainers/go-digest"
 )

registry/handlers/manifests.go

@@ -15,11 +15,11 @@ import (
 	"github.com/docker/distribution/manifest/schema2"
 	"github.com/docker/distribution/reference"
 	"github.com/docker/distribution/registry/api/errcode"
-	"github.com/docker/distribution/registry/api/v2"
+	v2 "github.com/docker/distribution/registry/api/v2"
 	"github.com/docker/distribution/registry/auth"
 	"github.com/gorilla/handlers"
 	"github.com/opencontainers/go-digest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 // These constants determine which architecture and OS to choose from a

registry/handlers/tags.go

@@ -6,7 +6,7 @@ import (
 
 	"github.com/docker/distribution"
 	"github.com/docker/distribution/registry/api/errcode"
-	"github.com/docker/distribution/registry/api/v2"
+	v2 "github.com/docker/distribution/registry/api/v2"
 	"github.com/gorilla/handlers"
 )
 

registry/registry.go

@@ -12,7 +12,8 @@ import (
 	"syscall"
 	"time"
 
-	"github.com/Shopify/logrus-bugsnag"
+	logrus_bugsnag "github.com/Shopify/logrus-bugsnag"
+
 	logstash "github.com/bshuster-repo/logrus-logstash-hook"
 	"github.com/bugsnag/bugsnag-go"
 	"github.com/docker/go-metrics"

registry/storage/blob_test.go

@@ -418,7 +418,7 @@ func TestBlobMount(t *testing.T) {
 
 	bs := repository.Blobs(ctx)
 	// Test destination for existence.
-	statDesc, err = bs.Stat(ctx, desc.Digest)
+	_, err = bs.Stat(ctx, desc.Digest)
 	if err == nil {
 		t.Fatalf("unexpected non-error stating unmounted blob: %v", desc)
 	}
@@ -478,12 +478,12 @@ func TestBlobMount(t *testing.T) {
 		t.Fatalf("Unexpected error deleting blob")
 	}
 
-	d, err := bs.Stat(ctx, desc.Digest)
+	_, err = bs.Stat(ctx, desc.Digest)
 	if err != nil {
 		t.Fatalf("unexpected error stating blob deleted from source repository: %v", err)
 	}
 
-	d, err = sbs.Stat(ctx, desc.Digest)
+	d, err := sbs.Stat(ctx, desc.Digest)
 	if err == nil {
 		t.Fatalf("unexpected non-error stating deleted blob: %v", d)
 	}

registry/storage/cache/cachecheck/suite.go

@@ -173,8 +173,7 @@ func checkBlobDescriptorCacheClear(ctx context.Context, t *testing.T, provider c
 		t.Error(err)
 	}
 
-	desc, err = cache.Stat(ctx, localDigest)
-	if err == nil {
+	if _, err = cache.Stat(ctx, localDigest); err == nil {
 		t.Fatalf("expected error statting deleted blob: %v", err)
 	}
 }

registry/storage/driver/filesystem/driver_test.go

@@ -36,7 +36,7 @@ func init() {
 func TestFromParametersImpl(t *testing.T) {
 
 	tests := []struct {
-		params   map[string]interface{} // techincally the yaml can contain anything
+		params   map[string]interface{} // technically the yaml can contain anything
 		expected DriverParameters
 		pass     bool
 	}{

registry/storage/driver/middleware/cloudfront/middleware.go

@@ -16,7 +16,7 @@ import (
 	"github.com/aws/aws-sdk-go/service/cloudfront/sign"
 	dcontext "github.com/docker/distribution/context"
 	storagedriver "github.com/docker/distribution/registry/storage/driver"
-	"github.com/docker/distribution/registry/storage/driver/middleware"
+	storagemiddleware "github.com/docker/distribution/registry/storage/driver/middleware"
 )
 
 // cloudFrontStorageMiddleware provides a simple implementation of layerHandler that

registry/storage/driver/s3-aws/s3.go

@@ -366,7 +366,7 @@ func FromParameters(parameters map[string]interface{}) (*Driver, error) {
 	return New(params)
 }
 
-// getParameterAsInt64 converts paramaters[name] to an int64 value (using
+// getParameterAsInt64 converts parameters[name] to an int64 value (using
 // defaultt if nil), verifies it is no smaller than min, and returns it.
 func getParameterAsInt64(parameters map[string]interface{}, name string, defaultt int64, min int64, max int64) (int64, error) {
 	rv := defaultt

registry/storage/manifeststore.go

@@ -13,7 +13,7 @@ import (
 	"github.com/docker/distribution/manifest/schema1"
 	"github.com/docker/distribution/manifest/schema2"
 	"github.com/opencontainers/go-digest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 // A ManifestHandler gets and puts manifests of a particular type.

registry/storage/manifeststore_test.go

@@ -19,7 +19,7 @@ import (
 	"github.com/docker/distribution/testutil"
 	"github.com/docker/libtrust"
 	"github.com/opencontainers/go-digest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 type manifestStoreTestEnv struct {

registry/storage/ocimanifesthandler.go

@@ -9,7 +9,7 @@ import (
 	dcontext "github.com/docker/distribution/context"
 	"github.com/docker/distribution/manifest/ocischema"
 	"github.com/opencontainers/go-digest"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 //ocischemaManifestHandler is a ManifestHandler that covers ocischema manifests.

registry/storage/ocimanifesthandler_test.go

@@ -9,7 +9,7 @@ import (
 	"github.com/docker/distribution/manifest"
 	"github.com/docker/distribution/manifest/ocischema"
 	"github.com/docker/distribution/registry/storage/driver/inmemory"
-	"github.com/opencontainers/image-spec/specs-go/v1"
+	v1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 func TestVerifyOCIManifestNonDistributableLayer(t *testing.T) {

registry/storage/schema2manifesthandler.go

@@ -92,7 +92,7 @@ func (ms *schema2ManifestHandler) verifyManifest(ctx context.Context, mnfst sche
 		switch descriptor.MediaType {
 		case schema2.MediaTypeForeignLayer:
 			// Clients download this layer from an external URL, so do not check for
-			// its presense.
+			// its presence.
 			if len(descriptor.URLs) == 0 {
 				err = errMissingURL
 			}

script/setup/install-dev-tools

@@ -5,6 +5,5 @@
 #
 set -eu -o pipefail
 
-go get -u github.com/alecthomas/gometalinter
-gometalinter --install >/dev/null
+go get -u github.com/golangci/golangci-lint/cmd/golangci-lint
 go get -u github.com/cpuguy83/go-md2man

tags.go

@@ -3,7 +3,7 @@ package distribution
 import (
 	"context"
 
-	digest "github.com/opencontainers/go-digest"
+	"github.com/opencontainers/go-digest"
 )
 
 // TagService provides access to information about tagged objects.
@@ -28,7 +28,7 @@ type TagService interface {
 	Lookup(ctx context.Context, digest Descriptor) ([]string, error)
 }
 
-// TagManifestsProvider provides method to retreive the digests of manifests that a tag historically
+// TagManifestsProvider provides method to retrieve the digests of manifests that a tag historically
 // pointed to
 type TagManifestsProvider interface {
 	// ManifestDigests returns set of digests that this tag historically pointed to. This also