ci: add GitHub Actions config (#1)

.github/dependabot.yaml

@@ -0,0 +1,52 @@
+# Copyright 2024 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.
+
+---
+updates:
+  # Github-actions dependencies
+  - directory: "/"
+    package-ecosystem: "github-actions"
+    schedule:
+      interval: "weekly"
+    commit-message:
+      prefix: "fix"
+
+  # NPM dependencies -- only prompt to update minor versions.
+  - directory: "/"
+    package-ecosystem: "npm"
+    schedule:
+      interval: "weekly"
+    ignore:
+      - dependency-name: "*"
+        update-types: ["version-update:semver-major"]
+    commit-message:
+      prefix: "fix"
+
+  # Docker dependencies
+  - directory: "/"
+    package-ecosystem: "docker"
+    schedule:
+      interval: "weekly"
+    commit-message:
+      prefix: "fix"
+
+  # Terraform dependencies
+  - directory: "/terraform"
+    package-ecosystem: "terraform"
+    schedule:
+      interval: "weekly"
+    commit-message:
+      prefix: "fix"
+
+version: 2

.github/release-please.yml

@@ -0,0 +1,23 @@
+# Copyright 2024 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.
+
+handleGHRelease: true
+manifest: true
+branches:
+  - branch: version_1
+    handleGHRelease: true
+    manifest: true
+  - branch: version_2
+    handleGHRelease: true
+    manifest: true

.github/workflows/codehealth.yaml

@@ -0,0 +1,66 @@
+# Copyright 2024 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.
+
+name: "Code health checks (npm audit, eslint, tscompiler, ...)"
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  analyze:
+    name: "Analyze"
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+    strategy:
+      fail-fast: false
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Use Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          check-latest: true
+
+      - name: Use terraform
+        uses: hashicorp/setup-terraform@v3
+
+      - name: Install node modules
+        run: npm install
+
+      - name: Execute "npm run typecheck"
+        run: npm run typecheck
+
+      - name: Execute "npm run eslint"
+        run: npm run eslint
+
+      - name: Execute "npm run check-format"
+        run: npm run check-format
+
+      - name: Execute "npm run mdlint"
+        run: npm run mdlint
+
+      - name: Execute "npm audit"
+        run: npm audit
+
+      - name: Execute "npm run markdown-link-check"
+        run: npm run markdown-link-check
+
+      - name: terraform validate deployments
+        run: npm run terraform-validate

.github/workflows/unit_tests.yaml

@@ -0,0 +1,45 @@
+# Copyright 2024 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.
+
+name: Node.js unit tests
+
+on: [push, pull_request]
+
+jobs:
+  unit-tests:
+    runs-on: ubuntu-latest
+
+    defaults:
+      run:
+        working-directory: src/poller/poller-core
+
+    strategy:
+      matrix:
+        node-version: [18.x, 20.x, 22.x]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: npm install
+        run: npm install
+
+      - name: Unit tests
+        run: npm test
+        env:
+          CI: true