update kustomize scaffolding to work with kustomize 2.0

Author: Liujingfang1

cmd/init_project.go

@@ -142,6 +142,8 @@ func (o *projectOptions) runInit() {
 		&manager.Config{Image: imgName},
 		&project.GitIgnore{},
 		&project.Kustomize{},
+		&project.KustomizeRBAC{},
+		&project.KustomizeManager{},
 		&project.KustomizeImagePatch{},
 		&project.KustomizePrometheusMetricsPatch{},
 		&project.KustomizeAuthProxyPatch{},

pkg/scaffold/project/kustomize.go

@@ -65,21 +65,9 @@ namePrefix: {{.Prefix}}-
 #commonLabels:
 #  someName: someValue
 
-# Each entry in this list must resolve to an existing
-# resource definition in YAML.  These are the resource
-# files that kustomize reads, modifies and emits as a
-# YAML string, with resources separated by document
-# markers ("---").
-resources:
-- ../rbac/rbac_role.yaml
-- ../rbac/rbac_role_binding.yaml
-- ../manager/manager.yaml
-  # Comment the following 3 lines if you want to disable
-  # the auth proxy (https://github.com/brancz/kube-rbac-proxy)
-  # which protects your /metrics endpoint.
-- ../rbac/auth_proxy_service.yaml
-- ../rbac/auth_proxy_role.yaml
-- ../rbac/auth_proxy_role_binding.yaml
+bases:
+- ../rbac
+- ../manager
 
 patches:
 - manager_image_patch.yaml

pkg/scaffold/project/kustomize_manager_base.go

@@ -0,0 +1,44 @@
+/*
+Copyright 2019 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 project
+
+import (
+	"path/filepath"
+
+	"sigs.k8s.io/kubebuilder/pkg/scaffold/input"
+)
+
+var _ input.File = &KustomizeManager{}
+
+// KustomizeManager scaffolds the Kustomization file in manager folder.
+type KustomizeManager struct {
+	input.Input
+}
+
+// GetInput implements input.File
+func (c *KustomizeManager) GetInput() (input.Input, error) {
+	if c.Path == "" {
+		c.Path = filepath.Join("config", "manager", "kustomization.yaml")
+	}
+	c.TemplateBody = kustomizeManagerTemplate
+	c.Input.IfExistsAction = input.Error
+	return c.Input, nil
+}
+
+var kustomizeManagerTemplate = `resources:
+- manager.yaml
+`

pkg/scaffold/project/kustomize_rbac_base.go

@@ -0,0 +1,51 @@
+/*
+Copyright 2019 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 project
+
+import (
+	"path/filepath"
+
+	"sigs.k8s.io/kubebuilder/pkg/scaffold/input"
+)
+
+var _ input.File = &KustomizeRBAC{}
+
+// KustomizeRBAC scaffolds the Kustomization file in rbac folder.
+type KustomizeRBAC struct {
+	input.Input
+}
+
+// GetInput implements input.File
+func (c *KustomizeRBAC) GetInput() (input.Input, error) {
+	if c.Path == "" {
+		c.Path = filepath.Join("config", "rbac", "kustomization.yaml")
+	}
+	c.TemplateBody = kustomizeRBACTemplate
+	c.Input.IfExistsAction = input.Error
+	return c.Input, nil
+}
+
+var kustomizeRBACTemplate = `resources:
+- rbac_role.yaml
+- rbac_role_binding.yaml
+  # Comment the following 3 lines if you want to disable
+  # the auth proxy (https://github.com/brancz/kube-rbac-proxy)
+  # which protects your /metrics endpoint.
+- auth_proxy_service.yaml
+- auth_proxy_role.yaml
+- auth_proxy_role_binding.yaml
+`

pkg/scaffold/project/project_test.go

@@ -205,6 +205,40 @@ Copyright %s Example Owners.
 		})
 	})
 
+	Describe("scaffolding a RBAC Kustomization", func() {
+		BeforeEach(func() {
+			goldenPath = filepath.Join("config", "rbac", "kustomization.yaml")
+			writeToPath = goldenPath
+		})
+		Context("with rbac", func() {
+			It("should match the golden file", func() {
+				instance := &KustomizeRBAC{}
+				instance.Repo = "sigs.k8s.io/kubebuilder/test/project"
+				Expect(s.Execute(input.Options{}, instance)).NotTo(HaveOccurred())
+
+				// Verify the contents matches the golden file.
+				Expect(result.Actual.String()).To(BeEquivalentTo(result.Golden))
+			})
+		})
+	})
+
+	Describe("scaffolding a manager Kustomization", func() {
+		BeforeEach(func() {
+			goldenPath = filepath.Join("config", "manager", "kustomization.yaml")
+			writeToPath = goldenPath
+		})
+		Context("with manager", func() {
+			It("should match the golden file", func() {
+				instance := &KustomizeManager{}
+				instance.Repo = "sigs.k8s.io/kubebuilder/test/project"
+				Expect(s.Execute(input.Options{}, instance)).NotTo(HaveOccurred())
+
+				// Verify the contents matches the golden file.
+				Expect(result.Actual.String()).To(BeEquivalentTo(result.Golden))
+			})
+		})
+	})
+
 	Describe("scaffolding a Kustomize image patch", func() {
 		BeforeEach(func() {
 			goldenPath = filepath.Join("config", "default", "manager_image_patch.yaml")

test/project/config/default/kustomization.yaml

@@ -12,21 +12,9 @@ namePrefix: project-
 #commonLabels:
 #  someName: someValue
 
-# Each entry in this list must resolve to an existing
-# resource definition in YAML.  These are the resource
-# files that kustomize reads, modifies and emits as a
-# YAML string, with resources separated by document
-# markers ("---").
-resources:
-- ../rbac/rbac_role.yaml
-- ../rbac/rbac_role_binding.yaml
-- ../manager/manager.yaml
-  # Comment the following 3 lines if you want to disable
-  # the auth proxy (https://github.com/brancz/kube-rbac-proxy)
-  # which protects your /metrics endpoint.
-- ../rbac/auth_proxy_service.yaml
-- ../rbac/auth_proxy_role.yaml
-- ../rbac/auth_proxy_role_binding.yaml
+bases:
+- ../rbac
+- ../manager
 
 patches:
 - manager_image_patch.yaml

test/project/config/manager/kustomization.yaml

@@ -0,0 +1,2 @@
+resources:
+- manager.yaml

test/project/config/rbac/kustomization.yaml

@@ -0,0 +1,9 @@
+resources:
+- rbac_role.yaml
+- rbac_role_binding.yaml
+  # Comment the following 3 lines if you want to disable
+  # the auth proxy (https://github.com/brancz/kube-rbac-proxy)
+  # which protects your /metrics endpoint.
+- auth_proxy_service.yaml
+- auth_proxy_role.yaml
+- auth_proxy_role_binding.yaml