(go/v4-alpha): add new golang plugin which uses the default golang ba…

…se v3 and the new alpha kustomze/v2-alpha

cmd/main.go

@@ -25,6 +25,7 @@ import (
 	cfgv2 "sigs.k8s.io/kubebuilder/v3/pkg/config/v2"
 	cfgv3 "sigs.k8s.io/kubebuilder/v3/pkg/config/v3"
 	"sigs.k8s.io/kubebuilder/v3/pkg/machinery"
+	"sigs.k8s.io/kubebuilder/v3/pkg/model/stage"
 	"sigs.k8s.io/kubebuilder/v3/pkg/plugin"
 	kustomizecommonv1 "sigs.k8s.io/kubebuilder/v3/pkg/plugins/common/kustomize/v1"
 	kustomizecommonv2 "sigs.k8s.io/kubebuilder/v3/pkg/plugins/common/kustomize/v2"
@@ -41,6 +42,11 @@ func main() {
 		kustomizecommonv1.Plugin{},
 		golangv3.Plugin{},
 	)
+	// / Bundle plugin which built the golang projects scaffold by Kubebuilder go/v3 with kustomize alpha-v2
+	gov4Bundle, _ := plugin.NewBundle(golang.DefaultNameQualifier, plugin.Version{Number: 4, Stage: stage.Alpha},
+		kustomizecommonv2.Plugin{},
+		golangv3.Plugin{},
+	)
 
 	fs := machinery.Filesystem{
 		FS: afero.NewOsFs(),
@@ -57,6 +63,7 @@ func main() {
 			golangv2.Plugin{},
 			golangv3.Plugin{},
 			gov3Bundle,
+			gov4Bundle,
 			&kustomizecommonv1.Plugin{},
 			&kustomizecommonv2.Plugin{},
 			&declarativev1.Plugin{},

test/e2e/v4/e2e_suite_test.go

@@ -0,0 +1,32 @@
+/*
+Copyright 2020 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 v4
+
+import (
+	"fmt"
+	"testing"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+// Run e2e tests using the Ginkgo runner.
+func TestE2E(t *testing.T) {
+	RegisterFailHandler(Fail)
+	fmt.Fprintf(GinkgoWriter, "Starting kubebuilder suite\n")
+	RunSpecs(t, "Kubebuilder e2e suite")
+}

test/e2e/v4/generate_test.go

@@ -0,0 +1,133 @@
+/*
+Copyright 2020 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 v4
+
+import (
+	"fmt"
+	"path/filepath"
+	"strings"
+
+	pluginutil "sigs.k8s.io/kubebuilder/v3/pkg/plugin/util"
+
+	//nolint:golint
+	//nolint:revive
+	. "github.com/onsi/ginkgo"
+
+	//nolint:golint
+	//nolint:revive
+	. "github.com/onsi/gomega"
+
+	"sigs.k8s.io/kubebuilder/v3/test/e2e/utils"
+)
+
+// GenerateV4 implements a go/v4(-alpha) plugin project defined by a TestContext.
+func GenerateV4(kbc *utils.TestContext, crdAndWebhookVersion string) {
+	var err error
+
+	By("initializing a project")
+	err = kbc.Init(
+		"--plugins", "go/v4-alpha",
+		"--project-version", "3",
+		"--domain", kbc.Domain,
+		"--fetch-deps=false",
+	)
+	ExpectWithOffset(1, err).NotTo(HaveOccurred())
+
+	By("creating API definition")
+	err = kbc.CreateAPI(
+		"--group", kbc.Group,
+		"--version", kbc.Version,
+		"--kind", kbc.Kind,
+		"--namespaced",
+		"--resource",
+		"--controller",
+		"--make=false",
+		"--crd-version", crdAndWebhookVersion,
+	)
+	ExpectWithOffset(1, err).NotTo(HaveOccurred())
+
+	By("implementing the API")
+	ExpectWithOffset(1, pluginutil.InsertCode(
+		filepath.Join(kbc.Dir, "api", kbc.Version, fmt.Sprintf("%s_types.go", strings.ToLower(kbc.Kind))),
+		fmt.Sprintf(`type %sSpec struct {
+`, kbc.Kind),
+		`	// +optional
+Count int `+"`"+`json:"count,omitempty"`+"`"+`
+`)).Should(Succeed())
+
+	By("scaffolding mutating and validating webhooks")
+	err = kbc.CreateWebhook(
+		"--group", kbc.Group,
+		"--version", kbc.Version,
+		"--kind", kbc.Kind,
+		"--defaulting",
+		"--programmatic-validation",
+		"--webhook-version", crdAndWebhookVersion,
+	)
+	ExpectWithOffset(1, err).NotTo(HaveOccurred())
+
+	By("implementing the mutating and validating webhooks")
+	err = pluginutil.ImplementWebhooks(filepath.Join(
+		kbc.Dir, "api", kbc.Version,
+		fmt.Sprintf("%s_webhook.go", strings.ToLower(kbc.Kind))))
+	ExpectWithOffset(1, err).NotTo(HaveOccurred())
+
+	By("uncomment kustomization.yaml to enable webhook and ca injection")
+	ExpectWithOffset(1, pluginutil.UncommentCode(
+		filepath.Join(kbc.Dir, "config", "default", "kustomization.yaml"),
+		"#- ../webhook", "#")).To(Succeed())
+	ExpectWithOffset(1, pluginutil.UncommentCode(
+		filepath.Join(kbc.Dir, "config", "default", "kustomization.yaml"),
+		"#- ../certmanager", "#")).To(Succeed())
+	ExpectWithOffset(1, pluginutil.UncommentCode(
+		filepath.Join(kbc.Dir, "config", "default", "kustomization.yaml"),
+		"#- ../prometheus", "#")).To(Succeed())
+	ExpectWithOffset(1, pluginutil.UncommentCode(
+		filepath.Join(kbc.Dir, "config", "default", "kustomization.yaml"),
+		"#- manager_webhook_patch.yaml", "#")).To(Succeed())
+	ExpectWithOffset(1, pluginutil.UncommentCode(
+		filepath.Join(kbc.Dir, "config", "default", "kustomization.yaml"),
+		"#- webhookcainjection_patch.yaml", "#")).To(Succeed())
+	ExpectWithOffset(1, pluginutil.UncommentCode(filepath.Join(kbc.Dir, "config", "default", "kustomization.yaml"),
+		`#- name: CERTIFICATE_NAMESPACE # namespace of the certificate CR
+#  objref:
+#    kind: Certificate
+#    group: cert-manager.io
+#    version: v1
+#    name: serving-cert # this name should match the one in certificate.yaml
+#  fieldref:
+#    fieldpath: metadata.namespace
+#- name: CERTIFICATE_NAME
+#  objref:
+#    kind: Certificate
+#    group: cert-manager.io
+#    version: v1
+#    name: serving-cert # this name should match the one in certificate.yaml
+#- name: SERVICE_NAMESPACE # namespace of the service
+#  objref:
+#    kind: Service
+#    version: v1
+#    name: webhook-service
+#  fieldref:
+#    fieldpath: metadata.namespace
+#- name: SERVICE_NAME
+#  objref:
+#    kind: Service
+#    version: v1
+#    name: webhook-service`, "#")).To(Succeed())
+
+}