Make the linters happy

Author: Steve Scaffidi

.golangci.yml

@@ -21,7 +21,7 @@ linters:
   enable:
     - dupl
     - errcheck
-    - exportloopref
+    - copyloopvar
     - goconst
     - gocyclo
     - gofmt

Makefile

@@ -28,8 +28,8 @@ BUNDLE_METADATA_OPTS ?= $(BUNDLE_CHANNELS) $(BUNDLE_DEFAULT_CHANNEL)
 # This variable is used to construct full image tags for bundle and catalog images.
 #
 # For example, running 'make bundle-build bundle-push catalog-build catalog-push' will build and push both
-# sscaffidi/istio-fortsa-bundle:$VERSION and sscaffidi/istio-fortsa-catalog:$VERSION.
-IMAGE_TAG_BASE ?= sscaffidi/istio-fortsa
+# ghcr.io/hercynium/istio-fortsa-bundle:$VERSION and ghcr.io/hercynium/istio-fortsa-catalog:$VERSION.
+IMAGE_TAG_BASE ?= ghcr.io/hercynium/istio-fortsa
 
 # BUNDLE_IMG defines the image:tag used for the bundle.
 # You can use it as an arg. (E.g make bundle-build BUNDLE_IMG=<some-registry>/<project-name-bundle>:<tag>)
@@ -209,10 +209,10 @@ ENVTEST ?= $(LOCALBIN)/setup-envtest-$(ENVTEST_VERSION)
 GOLANGCI_LINT = $(LOCALBIN)/golangci-lint-$(GOLANGCI_LINT_VERSION)
 
 ## Tool Versions
-KUSTOMIZE_VERSION ?= v5.3.0
-CONTROLLER_TOOLS_VERSION ?= v0.14.0
+KUSTOMIZE_VERSION ?= v5.4.3
+CONTROLLER_TOOLS_VERSION ?= v0.16.4 # v0.14.0
 ENVTEST_VERSION ?= release-0.17
-GOLANGCI_LINT_VERSION ?= v1.57.2
+GOLANGCI_LINT_VERSION ?= v1.61.0
 
 .PHONY: kustomize
 kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary.

cmd/main.go

@@ -174,7 +174,10 @@ func main() {
 	//+kubebuilder:scaffold:builder
 
 	// populate the Istio Data before even starting the controllers
-	istioData.RefreshIstioData(context.TODO(), kubeClient)
+	if err := istioData.RefreshIstioData(context.TODO(), kubeClient); err != nil {
+		setupLog.Error(err, "unable to get initial istio data")
+		os.Exit(1)
+	}
 
 	if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {
 		setupLog.Error(err, "unable to set up health check")

internal/util/istio/tags/test_test.go

@@ -66,7 +66,7 @@ func TestGetTags(t *testing.T) {
 			[]runtime.Object{
 				invalidWebhook("invalid", "foo"),
 				namespace("default", "canary"),
-				namespace("test1", "canary"),
+				namespace("test1", "stable"),
 			},
 		},
 		{

internal/util/k8s/rollout/rollout.go

@@ -31,7 +31,10 @@ func DoRolloutRestart(ctx context.Context, client ctrlclient.Client, obj ctrlcli
 	switch obj.GetObjectKind().GroupVersionKind().Kind {
 	case "Deployment":
 		objX := &appsv1.Deployment{}
-		client.Get(ctx, types.NamespacedName{Namespace: obj.GetNamespace(), Name: obj.GetName()}, objX)
+		err := client.Get(ctx, types.NamespacedName{Namespace: obj.GetNamespace(), Name: obj.GetName()}, objX)
+		if err != nil {
+			return err
+		}
 		patch := ctrlclient.StrategicMergeFrom(objX.DeepCopy())
 		if objX.Spec.Template.ObjectMeta.Annotations == nil {
 			objX.Spec.Template.ObjectMeta.Annotations = make(map[string]string)
@@ -44,7 +47,10 @@ func DoRolloutRestart(ctx context.Context, client ctrlclient.Client, obj ctrlcli
 		return client.Patch(ctx, objX, patch)
 	case "DaemonSet":
 		objX := &appsv1.DaemonSet{}
-		client.Get(ctx, types.NamespacedName{Namespace: obj.GetNamespace(), Name: obj.GetName()}, objX)
+		err := client.Get(ctx, types.NamespacedName{Namespace: obj.GetNamespace(), Name: obj.GetName()}, objX)
+		if err != nil {
+			return err
+		}
 		patch := ctrlclient.StrategicMergeFrom(objX.DeepCopy())
 		if objX.Spec.Template.ObjectMeta.Annotations == nil {
 			objX.Spec.Template.ObjectMeta.Annotations = make(map[string]string)
@@ -55,7 +61,10 @@ func DoRolloutRestart(ctx context.Context, client ctrlclient.Client, obj ctrlcli
 		return client.Patch(ctx, objX, patch)
 	case "StatefulSet":
 		objX := &appsv1.StatefulSet{}
-		client.Get(ctx, types.NamespacedName{Namespace: obj.GetNamespace(), Name: obj.GetName()}, objX)
+		err := client.Get(ctx, types.NamespacedName{Namespace: obj.GetNamespace(), Name: obj.GetName()}, objX)
+		if err != nil {
+			return err
+		}
 		patch := ctrlclient.StrategicMergeFrom(objX.DeepCopy())
 		if objX.Spec.Template.ObjectMeta.Annotations == nil {
 			objX.Spec.Template.ObjectMeta.Annotations = make(map[string]string)

test/e2e/e2e_suite_test.go

@@ -27,6 +27,6 @@ import (
 // Run e2e tests using the Ginkgo runner.
 func TestE2E(t *testing.T) {
 	RegisterFailHandler(Fail)
-	fmt.Fprintf(GinkgoWriter, "Starting istio-fortsa suite\n")
+	_, _ = fmt.Fprintf(GinkgoWriter, "Starting istio-fortsa suite\n")
 	RunSpecs(t, "e2e suite")
 }

test/utils/utils.go

@@ -33,25 +33,13 @@ const (
 	certmanagerVersion = "v1.14.4"
 	certmanagerURLTmpl = "https://github.com/jetstack/cert-manager/releases/download/%s/cert-manager.yaml"
 
-	istio1Version      = "1.22.4"
-	istioHelmChartRepo = "https://istio-release.storage.googleapis.com/charts"
-	istio2Version      = "1.23.1"
+	//istio1Version      = "1.22.4"
+	//istioHelmChartRepo = "https://istio-release.storage.googleapis.com/charts"
+	//istio2Version      = "1.23.1"
 )
 
-/*
-kind delete cluster
-kind create cluster --config kind-config.yaml
-
-kubectl create ns istio-system
-
-helm install istio-base-v1-22-4   https://istio-release.storage.googleapis.com/charts/base-1.22.4.tgz   -n istio-system  --set revision=test-1
-helm install istio-istiod-v1-22-4 https://istio-release.storage.googleapis.com/charts/istiod-1.22.4.tgz -n istio-system --set pilot.resources.requests.cpu=100m --set pilot.resources.requests.memory=128m --set revision=test-1
-helm install istio-istiod-v1-23-1 https://istio-release.storage.googleapis.com/charts/istiod-1.23.1.tgz -n istio-system --set pilot.resources.requests.cpu=100m --set pilot.resources.requests.memory=256m --set revision=test-2
-
-*/
-
 func warnError(err error) {
-	fmt.Fprintf(GinkgoWriter, "warning: %v\n", err)
+	_, _ = fmt.Fprintf(GinkgoWriter, "warning: %v\n", err)
 }
 
 // InstallPrometheusOperator installs the prometheus Operator to be used to export the enabled metrics.
@@ -68,12 +56,12 @@ func Run(cmd *exec.Cmd) ([]byte, error) {
 	cmd.Dir = dir
 
 	if err := os.Chdir(cmd.Dir); err != nil {
-		fmt.Fprintf(GinkgoWriter, "chdir dir: %s\n", err)
+		_, _ = fmt.Fprintf(GinkgoWriter, "chdir dir: %s\n", err)
 	}
 
 	cmd.Env = append(os.Environ(), "GO111MODULE=on")
 	command := strings.Join(cmd.Args, " ")
-	fmt.Fprintf(GinkgoWriter, "running: %s\n", command)
+	_, _ = fmt.Fprintf(GinkgoWriter, "running: %s\n", command)
 	output, err := cmd.CombinedOutput()
 	if err != nil {
 		return output, fmt.Errorf("%s failed with error: (%v) %s", command, err, string(output))