feat: automatically update componentconfig tutorial

Co-authored-by: Camila Macedo <7708031+camilamacedo86@users.noreply.github.com>

chore: refactor

.github/workflows/docs.yml

@@ -0,0 +1,35 @@
+name: Docs verification
+
+# Trigger the workflow on pull requests and direct pushes to any branch
+on:
+  push:
+  pull_request:
+
+jobs:
+  testdata:
+    name: Verify Docs update
+    runs-on: ubuntu-latest
+    # Pull requests from the same repository won't trigger this checks as they were already triggered by the push
+    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
+    steps:
+      - name: Clone the code
+        uses: actions/checkout@v3
+      - name: Setup Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: "1.19"
+      - name: Remove pre-installed kustomize
+        # This step is needed as the following one tries to remove
+        # kustomize for each test but has no permission to do so
+        run: sudo rm -f /usr/local/bin/kustomize
+      - name: Verify docs
+        run: |
+          make generate-docs
+          if [[ $(git status --porcelain) ]]; then
+            git diff
+            echo "Generate Docs failed!"
+            echo "Please, if you have changed the scaffolding make sure you have run: make generate-docs"
+            exit 1
+          else
+            echo "Generate Docs passed!"
+          fi

Makefile

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-#  Copyright 2019 The Kubernetes Authors.
+#  Copyright 2023 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.
@@ -71,6 +71,10 @@ generate-testdata: ## Update/generate the testdata in $GOPATH/src/sigs.k8s.io/ku
 	rm -rf testdata/
 	./test/testdata/generate.sh
 
+.PHONY: generate-docs
+generate-docs: ## Update/generate the docs in $GOPATH/src/sigs.k8s.io/kubebuilder
+	go run hack/docs/generate_samples.go
+
 .PHONY: lint
 lint: golangci-lint yamllint ## Run golangci-lint linter & yamllint
 	$(GOLANGCI_LINT) run

docs/book/src/component-config-tutorial/testdata/project/README.md

@@ -78,7 +78,7 @@ More information can be found via the [Kubebuilder Documentation](https://book.k
 
 ## License
 
-Copyright 2023.
+Copyright 2023 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.

docs/book/src/component-config-tutorial/testdata/project/api/v2/groupversion_info.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2023.
+Copyright 2023 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.

docs/book/src/component-config-tutorial/testdata/project/api/v2/projectconfig_types.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2023.
+Copyright 2023 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.
@@ -49,7 +49,6 @@ type ProjectConfig struct {
 
 	Spec   ProjectConfigSpec   `json:"spec,omitempty"`
 	Status ProjectConfigStatus `json:"status,omitempty"`
-
 	// ControllerManagerConfigurationSpec returns the configurations for controllers
 	cfg.ControllerManagerConfigurationSpec `json:",inline"`
 

docs/book/src/component-config-tutorial/testdata/project/hack/boilerplate.go.txt

@@ -1,5 +1,5 @@
 /*
-Copyright 2023.
+Copyright 2023 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.

docs/book/src/component-config-tutorial/testdata/project/main.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2023.
+Copyright 2023 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.

hack/docs/generate_samples.go

@@ -0,0 +1,49 @@
+/*
+Copyright 2023 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 main
+
+import (
+	"fmt"
+
+	componentconfig "sigs.k8s.io/kubebuilder/v3/hack/docs/internal"
+)
+
+func main() {
+	fmt.Println("Generating documents...")
+
+	fmt.Println("Generating component-config tutorial...")
+	UpdateComponentConfigTutorial()
+
+	// TODO: Generate cronjob-tutorial
+
+	// TODO: Generate multiversion-tutorial
+}
+
+func UpdateComponentConfigTutorial() {
+	binaryPath := "/tmp/kubebuilder/bin/kubebuilder"
+	samplePath := "docs/book/src/component-config-tutorial/testdata/project/"
+
+	sp := componentconfig.NewSample(binaryPath, samplePath)
+
+	sp.Prepare()
+
+	sp.GenerateSampleProject()
+
+	sp.UpdateTutorial()
+
+	sp.CodeGen()
+}

hack/docs/internal/generate_component_config.go

@@ -0,0 +1,165 @@
+/*
+Copyright 2023 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 componentconfig
+
+import (
+	"os"
+	"os/exec"
+	"path/filepath"
+
+	log "github.com/sirupsen/logrus"
+
+	"github.com/spf13/afero"
+	pluginutil "sigs.k8s.io/kubebuilder/v3/pkg/plugin/util"
+	"sigs.k8s.io/kubebuilder/v3/test/e2e/utils"
+)
+
+type Sample struct {
+	ctx *utils.TestContext
+}
+
+func NewSample(binaryPath, samplePath string) Sample {
+	log.Infof("Generating the sample context of component-config...")
+
+	ctx := newSampleContext(binaryPath, samplePath, "GO111MODULE=on")
+
+	return Sample{&ctx}
+}
+
+func newSampleContext(binaryPath string, samplePath string, env ...string) utils.TestContext {
+	cmdContext := &utils.CmdContext{
+		Env: env,
+		Dir: samplePath,
+	}
+
+	testContext := utils.TestContext{
+		CmdContext: cmdContext,
+		BinaryName: binaryPath,
+	}
+
+	return testContext
+}
+
+// Prepare the Context for the sample project
+func (sp *Sample) Prepare() {
+	log.Infof("destroying directory for sample project")
+	sp.ctx.Destroy()
+
+	log.Infof("refreshing tools and creating directory...")
+	err := sp.ctx.Prepare()
+
+	CheckError("creating directory for sample project", err)
+}
+
+func (sp *Sample) GenerateSampleProject() {
+	log.Infof("Initializing the project")
+	err := sp.ctx.Init(
+		"--domain", "tutorial.kubebuilder.io",
+		"--repo", "tutorial.kubebuilder.io/project",
+		"--license", "apache2",
+		"--owner", "The Kubernetes authors",
+		"--component-config",
+	)
+	CheckError("Initializing the project", err)
+
+	log.Infof("Adding a new config type")
+	err = sp.ctx.CreateAPI(
+		"--group", "config",
+		"--version", "v2",
+		"--kind", "ProjectConfig",
+		"--resource", "--controller=false",
+		"--make=false",
+	)
+	CheckError("Creating the API", err)
+}
+
+func (sp *Sample) UpdateTutorial() {
+	// 1. generate controller_manager_config.yaml
+	var fs = afero.NewOsFs()
+	err := afero.WriteFile(fs, filepath.Join(sp.ctx.Dir, "config/manager/controller_manager_config.yaml"),
+		[]byte(`apiVersion: controller-runtime.sigs.k8s.io/v1alpha1
+kind: ControllerManagerConfig
+metadata:
+  labels:
+    app.kubernetes.io/name: controllermanagerconfig
+    app.kubernetes.io/instance: controller-manager-configuration
+    app.kubernetes.io/component: manager
+    app.kubernetes.io/created-by: project
+    app.kubernetes.io/part-of: project
+    app.kubernetes.io/managed-by: kustomize
+health:
+  healthProbeBindAddress: :8081
+metrics:
+  bindAddress: 127.0.0.1:8080
+webhook:
+  port: 9443
+leaderElection:
+  leaderElect: true
+  resourceName: 80807133.tutorial.kubebuilder.io
+clusterName: example-test
+`), 0600)
+	CheckError("fixing controller_manager_config", err)
+
+	// 2. fix projectconfig_types.go
+	err = pluginutil.InsertCode(
+		filepath.Join(sp.ctx.Dir, "api/v2/projectconfig_types.go"),
+		`metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"`,
+		`
+	cfg "sigs.k8s.io/controller-runtime/pkg/config/v1alpha1"`)
+	CheckError("fixing projectconfig_types", err)
+
+	err = pluginutil.InsertCode(
+		filepath.Join(sp.ctx.Dir, "api/v2/projectconfig_types.go"),
+		`Status ProjectConfigStatus `+"`"+`json:"status,omitempty"`+"`",
+		`
+	// ControllerManagerConfigurationSpec returns the configurations for controllers
+	cfg.ControllerManagerConfigurationSpec `+"`"+`json:",inline"`+"`"+`
+
+	ClusterName string `+"`"+`json:"clusterName,omitempty"`+"`",
+	)
+
+	CheckError("fixing projectconfig_types", err)
+
+	// 3. fix main
+	err = pluginutil.InsertCode(
+		filepath.Join(sp.ctx.Dir, "main.go"),
+		`var err error`,
+		`
+	ctrlConfig := configv2.ProjectConfig{}`)
+	CheckError("fixing main.go", err)
+
+	err = pluginutil.InsertCode(
+		filepath.Join(sp.ctx.Dir, "main.go"),
+		`AtPath(configFile)`,
+		`.OfKind(&ctrlConfig)`)
+	CheckError("fixing main.go", err)
+}
+
+func (sp *Sample) CodeGen() {
+	cmd := exec.Command("make", "build")
+	_, err := sp.ctx.Run(cmd)
+
+	CheckError("Failed to generate code in componentconfig tutorial", err)
+}
+
+// CheckError will exit with exit code 1 when err is not nil.
+func CheckError(msg string, err error) {
+	if err != nil {
+		log.Errorf("error %s: %s", msg, err)
+		os.Exit(1)
+	}
+}