feat: add examples to terraform-module

__snapshots__/example-version.js

@@ -0,0 +1,50 @@
+exports['example.tf updateContent updates version in example.tf 1'] = `
+/**
+ * Copyright 2024-2025 Google LLC
+ *
+ * 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.
+ */
+
+module "gke" {
+  source  = "terraform-google-modules/kubernetes-engine/google//modules/beta-autopilot-private-cluster"
+  version = "~> 2.1"
+
+  project_id                        = var.project_id
+  name                              = "\${local.cluster_type}-cluster"
+  regional                          = true
+  region                            = var.region
+  network                           = module.gcp-network.network_name
+  subnetwork                        = local.subnet_names[index(module.gcp-network.subnets_names, local.subnet_name)]
+  ip_range_pods                     = local.pods_range_name
+  ip_range_services                 = local.svc_range_name
+  release_channel                   = "REGULAR"
+  enable_vertical_pod_autoscaling   = true
+  enable_private_endpoint           = true
+  enable_private_nodes              = true
+  master_ipv4_cidr_block            = "172.16.0.0/28"
+  add_cluster_firewall_rules        = true
+  add_master_webhook_firewall_rules = true
+  add_shadow_firewall_rules         = true
+  network_tags                      = ["allow-google-apis"]
+  deletion_protection               = false
+  enable_binary_authorization       = true
+
+  master_authorized_networks = [
+    {
+      cidr_block   = "10.60.0.0/17"
+      display_name = "VPC"
+    },
+  ]
+}
+
+`

src/strategies/terraform-module.ts

@@ -1,4 +1,4 @@
-// Copyright 2020 Google LLC
+// Copyright 2020-2025 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -18,6 +18,7 @@ import {Changelog} from '../updaters/changelog';
 import {ReadMe} from '../updaters/terraform/readme';
 import {ModuleVersion} from '../updaters/terraform/module-version';
 import {MetadataVersion} from '../updaters/terraform/metadata-version';
+import {ExampleVersion} from '../updaters/terraform/example-version';
 import {BaseStrategy, BuildUpdatesOptions} from './base';
 import {Update} from '../update';
 import {Version} from '../version';
@@ -106,6 +107,24 @@ export class TerraformModule extends BaseStrategy {
         }),
       });
     });
+
+    // Update module examples to current candidate version.
+    const exampleFiles = await this.github.findFilesByExtensionAndRef(
+      'tf',
+      this.targetBranch,
+      this.path + 'examples/'
+    );
+
+    exampleFiles.forEach(path => {
+      updates.push({
+        path: this.addPath(path),
+        createIfMissing: false,
+        updater: new ExampleVersion({
+          version,
+        }),
+      });
+    });
+
     return updates;
   }
 

src/updaters/terraform/example-version.ts

@@ -0,0 +1,32 @@
+// Copyright 2020-2025 Google LLC
+//
+// 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.
+
+import {DefaultUpdater} from '../default';
+
+/**
+ * Updates a Terraform module's examples versions.
+ */
+export class ExampleVersion extends DefaultUpdater {
+  /**
+   * Given initial file contents, return updated contents.
+   * @param {string} content The initial content
+   * @returns {string} The updated content
+   */
+  updateContent(content: string): string {
+    return content.replace(
+      /version = "~> [\d]+.[\d]+"/,
+      `version = "~> ${this.version.major}.${this.version.minor}"`
+    );
+  }
+}

test/updaters/example-version.ts

@@ -0,0 +1,38 @@
+// Copyright 2020-2025 Google LLC
+//
+// 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.
+
+import {readFileSync} from 'fs';
+import {resolve} from 'path';
+import * as snapshot from 'snap-shot-it';
+import {describe, it} from 'mocha';
+import {ExampleVersion} from '../../src/updaters/terraform/example-version';
+import {Version} from '../../src/version';
+
+const fixturesPath = './test/updaters/fixtures';
+
+describe('example.tf', () => {
+  describe('updateContent', () => {
+    it('updates version in example.tf', async () => {
+      const oldContent = readFileSync(
+        resolve(fixturesPath, './terraform-module/example.tf'),
+        'utf8'
+      ).replace(/\r\n/g, '\n');
+      const version = new ExampleVersion({
+        version: Version.parse('2.1.0'),
+      });
+      const newContent = version.updateContent(oldContent);
+      snapshot(newContent);
+    });
+  });
+});

test/updaters/fixtures/terraform-module/example.tf

@@ -0,0 +1,47 @@
+/**
+ * Copyright 2024-2025 Google LLC
+ *
+ * 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.
+ */
+
+module "gke" {
+  source  = "terraform-google-modules/kubernetes-engine/google//modules/beta-autopilot-private-cluster"
+  version = "~> 1.0"
+
+  project_id                        = var.project_id
+  name                              = "${local.cluster_type}-cluster"
+  regional                          = true
+  region                            = var.region
+  network                           = module.gcp-network.network_name
+  subnetwork                        = local.subnet_names[index(module.gcp-network.subnets_names, local.subnet_name)]
+  ip_range_pods                     = local.pods_range_name
+  ip_range_services                 = local.svc_range_name
+  release_channel                   = "REGULAR"
+  enable_vertical_pod_autoscaling   = true
+  enable_private_endpoint           = true
+  enable_private_nodes              = true
+  master_ipv4_cidr_block            = "172.16.0.0/28"
+  add_cluster_firewall_rules        = true
+  add_master_webhook_firewall_rules = true
+  add_shadow_firewall_rules         = true
+  network_tags                      = ["allow-google-apis"]
+  deletion_protection               = false
+  enable_binary_authorization       = true
+
+  master_authorized_networks = [
+    {
+      cidr_block   = "10.60.0.0/17"
+      display_name = "VPC"
+    },
+  ]
+}