🌱 Enable race detector for main module unit tests

Makefile

@@ -906,19 +906,30 @@ KUBEBUILDER_ASSETS ?= $(shell $(SETUP_ENVTEST) use --use-env -p path $(KUBEBUILD
 setup-envtest: $(SETUP_ENVTEST) ## Set up envtest (download kubebuilder assets)
 	@echo KUBEBUILDER_ASSETS=$(KUBEBUILDER_ASSETS)
 
-.PHONY: test
-test: $(SETUP_ENVTEST) ## Run unit and integration tests
+.PHONY: test-no-race
+test-no-race: $(SETUP_ENVTEST) ## Run unit and integration tests
 	KUBEBUILDER_ASSETS="$(KUBEBUILDER_ASSETS)" go test ./... $(TEST_ARGS)
 
+.PHONY: test
+test: $(SETUP_ENVTEST) ## Run unit and integration tests with race detector
+	# Note: Fuzz tests are not executed with race detector because they would just time out.
+	# To achieve that, all files with fuzz tests have the "!race" build tag, to still run fuzz tests
+	# we have an additional `go test` run that focuses on "TestFuzzyConversion".
+	KUBEBUILDER_ASSETS="$(KUBEBUILDER_ASSETS)" go test -race ./... $(TEST_ARGS)
+	KUBEBUILDER_ASSETS="$(KUBEBUILDER_ASSETS)" go test -run "^TestFuzzyConversion$$" ./... $(TEST_ARGS)
+
 .PHONY: test-verbose
-test-verbose: ## Run unit and integration tests with verbose flag
+test-verbose: ## Run unit and integration tests with race detector and with verbose flag
 	$(MAKE) test TEST_ARGS="$(TEST_ARGS) -v"
 
 .PHONY: test-junit
-test-junit: $(SETUP_ENVTEST) $(GOTESTSUM) ## Run unit and integration tests and generate a junit report
-	set +o errexit; (KUBEBUILDER_ASSETS="$(KUBEBUILDER_ASSETS)" go test -json ./... $(TEST_ARGS); echo $$? > $(ARTIFACTS)/junit.exitcode) | tee $(ARTIFACTS)/junit.stdout
+test-junit: $(SETUP_ENVTEST) $(GOTESTSUM) ## Run unit and integration tests with race detector and generate a junit report
+	set +o errexit; (KUBEBUILDER_ASSETS="$(KUBEBUILDER_ASSETS)" go test -race -json ./... $(TEST_ARGS); echo $$? > $(ARTIFACTS)/junit.exitcode) | tee $(ARTIFACTS)/junit.stdout
 	$(GOTESTSUM) --junitfile $(ARTIFACTS)/junit.xml --raw-command cat $(ARTIFACTS)/junit.stdout
 	exit $$(cat $(ARTIFACTS)/junit.exitcode)
+	set +o errexit; (KUBEBUILDER_ASSETS="$(KUBEBUILDER_ASSETS)" go test -run "^TestFuzzyConversion$$" -json ./... $(TEST_ARGS); echo $$? > $(ARTIFACTS)/junit-fuzz.exitcode) | tee $(ARTIFACTS)/junit-fuzz.stdout
+	$(GOTESTSUM) --junitfile $(ARTIFACTS)/junit-fuzz.xml --raw-command cat $(ARTIFACTS)/junit-fuzz.stdout
+	exit $$(cat $(ARTIFACTS)/junit-fuzz.exitcode)
 
 .PHONY: test-cover
 test-cover: ## Run unit and integration tests and generate a coverage report

bootstrap/kubeadm/types/upstreamv1beta1/conversion_test.go

@@ -1,3 +1,5 @@
+//go:build !race
+
 /*
 Copyright 2021 The Kubernetes Authors.
 
@@ -27,6 +29,8 @@ import (
 	utilconversion "sigs.k8s.io/cluster-api/util/conversion"
 )
 
+// Test is disabled when the race detector is enabled (via "//go:build !race" above) because otherwise the fuzz tests would just time out.
+
 func TestFuzzyConversion(t *testing.T) {
 	t.Run("for ClusterConfiguration", utilconversion.FuzzTestFunc(utilconversion.FuzzTestFuncInput{
 		Hub:   &bootstrapv1.ClusterConfiguration{},

bootstrap/kubeadm/types/upstreamv1beta2/conversion_test.go

@@ -1,3 +1,5 @@
+//go:build !race
+
 /*
 Copyright 2021 The Kubernetes Authors.
 
@@ -27,6 +29,8 @@ import (
 	utilconversion "sigs.k8s.io/cluster-api/util/conversion"
 )
 
+// Test is disabled when the race detector is enabled (via "//go:build !race" above) because otherwise the fuzz tests would just time out.
+
 func TestFuzzyConversion(t *testing.T) {
 	t.Run("for ClusterConfiguration", utilconversion.FuzzTestFunc(utilconversion.FuzzTestFuncInput{
 		Hub:   &bootstrapv1.ClusterConfiguration{},

bootstrap/kubeadm/types/upstreamv1beta3/conversion_test.go

@@ -1,3 +1,5 @@
+//go:build !race
+
 /*
 Copyright 2021 The Kubernetes Authors.
 
@@ -29,6 +31,8 @@ import (
 	utilconversion "sigs.k8s.io/cluster-api/util/conversion"
 )
 
+// Test is disabled when the race detector is enabled (via "//go:build !race" above) because otherwise the fuzz tests would just time out.
+
 func TestFuzzyConversion(t *testing.T) {
 	g := NewWithT(t)
 	scheme := runtime.NewScheme()

bootstrap/kubeadm/types/upstreamv1beta4/conversion_no_fuzz_test.go

@@ -0,0 +1,68 @@
+/*
+Copyright 2021 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package upstreamv1beta4
+
+import (
+	"testing"
+	"time"
+
+	. "github.com/onsi/gomega"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	bootstrapv1 "sigs.k8s.io/cluster-api/bootstrap/kubeadm/api/v1beta1"
+)
+
+// This test case has been moved out of conversion_test.go because it should be run with the race detector.
+// Note: The tests in conversion_test.go are disabled when the race detector is enabled (via "//go:build !race") because otherwise the fuzz tests would just time out.
+
+func TestTimeoutForControlPlaneMigration(t *testing.T) {
+	timeout := metav1.Duration{Duration: 10 * time.Second}
+	t.Run("from ClusterConfiguration to InitConfiguration and back", func(t *testing.T) {
+		g := NewWithT(t)
+
+		clusterConfiguration := &bootstrapv1.ClusterConfiguration{
+			APIServer: bootstrapv1.APIServer{TimeoutForControlPlane: &timeout},
+		}
+
+		initConfiguration := &InitConfiguration{}
+		err := initConfiguration.ConvertFromClusterConfiguration(clusterConfiguration)
+		g.Expect(err).ToNot(HaveOccurred())
+		g.Expect(initConfiguration.Timeouts.ControlPlaneComponentHealthCheck).To(Equal(&timeout))
+
+		clusterConfiguration = &bootstrapv1.ClusterConfiguration{}
+		err = initConfiguration.ConvertToClusterConfiguration(clusterConfiguration)
+		g.Expect(err).ToNot(HaveOccurred())
+		g.Expect(clusterConfiguration.APIServer.TimeoutForControlPlane).To(Equal(&timeout))
+	})
+	t.Run("from ClusterConfiguration to JoinConfiguration and back", func(t *testing.T) {
+		g := NewWithT(t)
+
+		clusterConfiguration := &bootstrapv1.ClusterConfiguration{
+			APIServer: bootstrapv1.APIServer{TimeoutForControlPlane: &timeout},
+		}
+
+		joinConfiguration := &JoinConfiguration{}
+		err := joinConfiguration.ConvertFromClusterConfiguration(clusterConfiguration)
+		g.Expect(err).ToNot(HaveOccurred())
+		g.Expect(joinConfiguration.Timeouts.ControlPlaneComponentHealthCheck).To(Equal(&timeout))
+
+		clusterConfiguration = &bootstrapv1.ClusterConfiguration{}
+		err = joinConfiguration.ConvertToClusterConfiguration(clusterConfiguration)
+		g.Expect(err).ToNot(HaveOccurred())
+		g.Expect(clusterConfiguration.APIServer.TimeoutForControlPlane).To(Equal(&timeout))
+	})
+}

bootstrap/kubeadm/types/upstreamv1beta4/conversion_test.go

@@ -1,3 +1,5 @@
+//go:build !race
+
 /*
 Copyright 2021 The Kubernetes Authors.
 
@@ -18,19 +20,19 @@ package upstreamv1beta4
 
 import (
 	"testing"
-	"time"
 
 	fuzz "github.com/google/gofuzz"
 	. "github.com/onsi/gomega"
 	"k8s.io/apimachinery/pkg/api/apitesting/fuzzer"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	runtimeserializer "k8s.io/apimachinery/pkg/runtime/serializer"
 
 	bootstrapv1 "sigs.k8s.io/cluster-api/bootstrap/kubeadm/api/v1beta1"
 	utilconversion "sigs.k8s.io/cluster-api/util/conversion"
 )
 
+// Test is disabled when the race detector is enabled (via "//go:build !race" above) because otherwise the fuzz tests would just time out.
+
 func TestFuzzyConversion(t *testing.T) {
 	g := NewWithT(t)
 	scheme := runtime.NewScheme()
@@ -144,41 +146,3 @@ func bootstrapv1JoinConfigurationFuzzer(obj *bootstrapv1.JoinConfiguration, c fu
 		obj.Discovery.File.KubeConfig = nil
 	}
 }
-
-func TestTimeoutForControlPlaneMigration(t *testing.T) {
-	timeout := metav1.Duration{Duration: 10 * time.Second}
-	t.Run("from ClusterConfiguration to InitConfiguration and back", func(t *testing.T) {
-		g := NewWithT(t)
-
-		clusterConfiguration := &bootstrapv1.ClusterConfiguration{
-			APIServer: bootstrapv1.APIServer{TimeoutForControlPlane: &timeout},
-		}
-
-		initConfiguration := &InitConfiguration{}
-		err := initConfiguration.ConvertFromClusterConfiguration(clusterConfiguration)
-		g.Expect(err).ToNot(HaveOccurred())
-		g.Expect(initConfiguration.Timeouts.ControlPlaneComponentHealthCheck).To(Equal(&timeout))
-
-		clusterConfiguration = &bootstrapv1.ClusterConfiguration{}
-		err = initConfiguration.ConvertToClusterConfiguration(clusterConfiguration)
-		g.Expect(err).ToNot(HaveOccurred())
-		g.Expect(clusterConfiguration.APIServer.TimeoutForControlPlane).To(Equal(&timeout))
-	})
-	t.Run("from ClusterConfiguration to JoinConfiguration and back", func(t *testing.T) {
-		g := NewWithT(t)
-
-		clusterConfiguration := &bootstrapv1.ClusterConfiguration{
-			APIServer: bootstrapv1.APIServer{TimeoutForControlPlane: &timeout},
-		}
-
-		joinConfiguration := &JoinConfiguration{}
-		err := joinConfiguration.ConvertFromClusterConfiguration(clusterConfiguration)
-		g.Expect(err).ToNot(HaveOccurred())
-		g.Expect(joinConfiguration.Timeouts.ControlPlaneComponentHealthCheck).To(Equal(&timeout))
-
-		clusterConfiguration = &bootstrapv1.ClusterConfiguration{}
-		err = joinConfiguration.ConvertToClusterConfiguration(clusterConfiguration)
-		g.Expect(err).ToNot(HaveOccurred())
-		g.Expect(clusterConfiguration.APIServer.TimeoutForControlPlane).To(Equal(&timeout))
-	})
-}

exp/internal/controllers/machinepool_controller_test.go

@@ -24,10 +24,12 @@ import (
 
 	. "github.com/onsi/gomega"
 	corev1 "k8s.io/api/core/v1"
+	apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
-	"k8s.io/client-go/kubernetes/scheme"
+	"k8s.io/apimachinery/pkg/runtime"
+	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
 	"k8s.io/utils/ptr"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -834,6 +836,13 @@ func TestRemoveMachinePoolFinalizerAfterDeleteReconcile(t *testing.T) {
 }
 
 func TestMachinePoolConditions(t *testing.T) {
+	g := NewWithT(t)
+	scheme := runtime.NewScheme()
+	g.Expect(apiextensionsv1.AddToScheme(scheme)).To(Succeed())
+	g.Expect(clientgoscheme.AddToScheme(scheme)).To(Succeed())
+	g.Expect(clusterv1.AddToScheme(scheme)).To(Succeed())
+	g.Expect(expv1.AddToScheme(scheme)).To(Succeed())
+
 	testCluster := &clusterv1.Cluster{
 		ObjectMeta: metav1.ObjectMeta{Namespace: metav1.NamespaceDefault, Name: "test-cluster"},
 	}
@@ -1079,9 +1088,7 @@ func TestMachinePoolConditions(t *testing.T) {
 				tt.beforeFunc(bootstrap, infra, mp, nodes)
 			}
 
-			g.Expect(clusterv1.AddToScheme(scheme.Scheme)).To(Succeed())
-
-			clientFake := fake.NewClientBuilder().WithObjects(
+			clientFake := fake.NewClientBuilder().WithScheme(scheme).WithObjects(
 				testCluster,
 				mp,
 				infra,

exp/ipam/api/v1alpha1/conversion_test.go

@@ -1,3 +1,5 @@
+//go:build !race
+
 /*
 Copyright 2021 The Kubernetes Authors.
 
@@ -25,6 +27,8 @@ import (
 	utilconversion "sigs.k8s.io/cluster-api/util/conversion"
 )
 
+// Test is disabled when the race detector is enabled (via "//go:build !race" above) because otherwise the fuzz tests would just time out.
+
 func TestFuzzyConversion(t *testing.T) {
 	t.Run("for IPAddress", utilconversion.FuzzTestFunc(utilconversion.FuzzTestFuncInput{
 		Hub:         &ipamv1.IPAddress{},

internal/apis/bootstrap/kubeadm/v1alpha3/conversion_test.go

@@ -1,3 +1,5 @@
+//go:build !race
+
 /*
 Copyright 2020 The Kubernetes Authors.
 
@@ -28,6 +30,8 @@ import (
 	utilconversion "sigs.k8s.io/cluster-api/util/conversion"
 )
 
+// Test is disabled when the race detector is enabled (via "//go:build !race" above) because otherwise the fuzz tests would just time out.
+
 func TestFuzzyConversion(t *testing.T) {
 	t.Run("for KubeadmConfig", utilconversion.FuzzTestFunc(utilconversion.FuzzTestFuncInput{
 		Hub:         &bootstrapv1.KubeadmConfig{},

internal/apis/bootstrap/kubeadm/v1alpha4/conversion_test.go

@@ -1,3 +1,5 @@
+//go:build !race
+
 /*
 Copyright 2021 The Kubernetes Authors.
 
@@ -32,6 +34,8 @@ const (
 	fakeSecret = "abcdef0123456789"
 )
 
+// Test is disabled when the race detector is enabled (via "//go:build !race" above) because otherwise the fuzz tests would just time out.
+
 func TestFuzzyConversion(t *testing.T) {
 	t.Run("for KubeadmConfig", utilconversion.FuzzTestFunc(utilconversion.FuzzTestFuncInput{
 		Hub:         &bootstrapv1.KubeadmConfig{},

internal/apis/controlplane/kubeadm/v1alpha3/conversion_test.go

@@ -1,3 +1,5 @@
+//go:build !race
+
 /*
 Copyright 2020 The Kubernetes Authors.
 
@@ -29,6 +31,8 @@ import (
 	utilconversion "sigs.k8s.io/cluster-api/util/conversion"
 )
 
+// Test is disabled when the race detector is enabled (via "//go:build !race" above) because otherwise the fuzz tests would just time out.
+
 func TestFuzzyConversion(t *testing.T) {
 	t.Run("for KubeadmControlPlane", utilconversion.FuzzTestFunc(utilconversion.FuzzTestFuncInput{
 		Hub:         &controlplanev1.KubeadmControlPlane{},

internal/apis/controlplane/kubeadm/v1alpha4/conversion_test.go

@@ -1,3 +1,5 @@
+//go:build !race
+
 /*
 Copyright 2020 The Kubernetes Authors.
 
@@ -36,6 +38,8 @@ const (
 	fakeSecret = "abcdef0123456789"
 )
 
+// Test is disabled when the race detector is enabled (via "//go:build !race" above) because otherwise the fuzz tests would just time out.
+
 func TestFuzzyConversion(t *testing.T) {
 	t.Run("for KubeadmControlPlane", utilconversion.FuzzTestFunc(utilconversion.FuzzTestFuncInput{
 		Hub:         &controlplanev1.KubeadmControlPlane{},

internal/apis/core/exp/addons/v1alpha3/conversion_test.go

@@ -1,3 +1,5 @@
+//go:build !race
+
 /*
 Copyright 2021 The Kubernetes Authors.
 
@@ -23,6 +25,8 @@ import (
 	utilconversion "sigs.k8s.io/cluster-api/util/conversion"
 )
 
+// Test is disabled when the race detector is enabled (via "//go:build !race" above) because otherwise the fuzz tests would just time out.
+
 func TestFuzzyConversion(t *testing.T) {
 	t.Run("for ClusterResourceSet", utilconversion.FuzzTestFunc(utilconversion.FuzzTestFuncInput{
 		Hub:   &addonsv1.ClusterResourceSet{},

internal/apis/core/exp/addons/v1alpha4/conversion_test.go

@@ -1,3 +1,5 @@
+//go:build !race
+
 /*
 Copyright 2021 The Kubernetes Authors.
 
@@ -23,6 +25,8 @@ import (
 	utilconversion "sigs.k8s.io/cluster-api/util/conversion"
 )
 
+// Test is disabled when the race detector is enabled (via "//go:build !race" above) because otherwise the fuzz tests would just time out.
+
 func TestFuzzyConversion(t *testing.T) {
 	t.Run("for ClusterResourceSet", utilconversion.FuzzTestFunc(utilconversion.FuzzTestFuncInput{
 		Hub:   &addonsv1.ClusterResourceSet{},

internal/apis/core/exp/v1alpha3/conversion_test.go

@@ -1,3 +1,5 @@
+//go:build !race
+
 /*
 Copyright 2021 The Kubernetes Authors.
 
@@ -28,6 +30,8 @@ import (
 	utilconversion "sigs.k8s.io/cluster-api/util/conversion"
 )
 
+// Test is disabled when the race detector is enabled (via "//go:build !race" above) because otherwise the fuzz tests would just time out.
+
 func TestFuzzyConversion(t *testing.T) {
 	t.Run("for MachinePool", utilconversion.FuzzTestFunc(utilconversion.FuzzTestFuncInput{
 		Hub:         &expv1.MachinePool{},

internal/apis/core/exp/v1alpha4/conversion_test.go

@@ -1,3 +1,5 @@
+//go:build !race
+
 /*
 Copyright 2021 The Kubernetes Authors.
 
@@ -25,6 +27,8 @@ import (
 	utilconversion "sigs.k8s.io/cluster-api/util/conversion"
 )
 
+// Test is disabled when the race detector is enabled (via "//go:build !race" above) because otherwise the fuzz tests would just time out.
+
 func TestFuzzyConversion(t *testing.T) {
 	t.Run("for MachinePool", utilconversion.FuzzTestFunc(utilconversion.FuzzTestFuncInput{
 		Hub:         &expv1.MachinePool{},