feat(KLEF): Add GitHub Actions workflows (CI, release, labeler)

.github/labeler.yml

@@ -0,0 +1,26 @@
+feature:
+  - head-branch: ["^feature/", "^feat/"]
+
+enhancement:
+  - head-branch: ["^enhancement/", "^enh/"]
+
+bugfix:
+  - head-branch: ["^bugfix/", "^fix/"]
+
+chore:
+  - changed-files:
+      - any-glob-to-any-file: [".github/**", "**/Dockerfile", "**/docker-compose*.yml"]
+  - head-branch: ["^chore/", "^deps/"]
+
+docs:
+  - changed-files:
+      - any-glob-to-any-file: ["**/*.md"]
+
+refactor:
+  - head-branch: ["^refactor/"]
+
+security:
+  - head-branch: ["^security/"]
+
+tests:
+  - head-branch: ["^test/", "^tests/"]

.github/labels.json

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+[
+  { "name": "feature",      "color": "1f883d", "description": "New feature" },
+  { "name": "enhancement",  "color": "a2eeef", "description": "Enhancement to existing feature" },
+  { "name": "bugfix",       "color": "d73a4a", "description": "Bug fix" },
+  { "name": "chore",        "color": "8f5bff", "description": "Maintenance/devex" },
+  { "name": "docs",         "color": "0e8a16", "description": "Documentation" },
+  { "name": "refactor",     "color": "fbca04", "description": "Refactor" },
+  { "name": "security",     "color": "b60205", "description": "Security fix/hardening" },
+  { "name": "tests",        "color": "5319e7", "description": "Test changes" }
+]

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: false

.github/workflows/label-policy.yml

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+---
+name: Label Policy
+on:
+  push:
+    branches: [main]
+  pull_request:
+    types: [opened, synchronize, reopened, labeled, unlabeled]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  issues: write
+  pull-requests: write
+
+jobs:
+  label-sync:
+    name: Label Sync
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: EndBug/label-sync@v2
+        with:
+          config-file: .github/labels.json
+          delete-other-labels: false
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  auto-label:
+    name: Auto Label
+    if: github.event_name == 'pull_request'
+    needs: [label-sync]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/labeler@v5
+        with:
+          configuration-path: .github/labeler.yml
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+
+  require-label:
+    name: Require Label
+    if: github.event_name == 'pull_request'
+    needs: [auto-label]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/github-script@v7
+        with:
+          script: |
+            const required = ['feature','enhancement','bugfix','chore','docs','refactor','security','tests'];
+            const labels = await github.paginate(
+              github.rest.issues.listLabelsOnIssue,
+              { owner: context.repo.owner, repo: context.repo.repo, issue_number: context.payload.pull_request.number }
+            );
+            const present = labels.map(l => l.name);
+            const ok = required.some(l => present.includes(l));
+            if (!ok) core.setFailed(`PR must include at least one of: ${required.join(', ')}`);
+

.github/workflows/pr-title.yml

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+---
+name: PR Title Check
+on:
+  pull_request:
+    types: [opened, synchronize, reopened, edited]
+
+permissions:
+  pull-requests: read
+
+jobs:
+  pr-title:
+    name: PR Title Check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: amannn/action-semantic-pull-request@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          types: |
+            feature
+            feat
+            enhancement
+            enh
+            bugfix
+            fix
+            chore
+            docs
+            doc
+            refactor
+            security
+            sec
+            tests
+            test
+          subjectPattern: "^[A-Z0-9].+"
+          subjectPatternError: "Start the subject with a capital letter."
+

.github/workflows/release.yml

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+name: Release
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Log in to ghcr.io
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract version from tag
+        id: version
+        run: echo "version=${GITHUB_REF_NAME#v}" >> $GITHUB_OUTPUT
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: |
+            ghcr.io/kleffio/alertmanager-alerting:${{ steps.version.outputs.version }}
+            ghcr.io/kleffio/alertmanager-alerting:latest
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v2
+        with:
+          generate_release_notes: true
+
+      - name: Generate app token
+        id: app-token
+        uses: actions/create-github-app-token@v1
+        with:
+          app-id: ${{ secrets.KLEFF_APP_ID }}
+          private-key: ${{ secrets.KLEFF_APP_PRIVATE_KEY }}
+          owner: kleffio
+          repositories: plugin-registry
+
+      - name: Open PR to plugin-registry
+        uses: actions/github-script@v7
+        with:
+          github-token: ${{ steps.app-token.outputs.token }}
+          script: |
+            const version = "${{ steps.version.outputs.version }}";
+            const branch = `update/alertmanager-alerting-${version}`;
+
+            const { data: file } = await github.rest.repos.getContent({
+              owner: "kleffio",
+              repo: "plugin-registry",
+              path: "plugins.json",
+            });
+
+            const plugins = JSON.parse(Buffer.from(file.content, "base64").toString());
+            const idx = plugins.findIndex(p => p.id === "alertmanager-alerting");
+            if (idx !== -1) plugins[idx].version = version;
+
+            const { data: ref } = await github.rest.git.getRef({
+              owner: "kleffio",
+              repo: "plugin-registry",
+              ref: "heads/main",
+            });
+
+            try {
+              await github.rest.git.createRef({
+                owner: "kleffio",
+                repo: "plugin-registry",
+                ref: `refs/heads/${branch}`,
+                sha: ref.object.sha,
+              });
+            } catch (e) {
+              if (e.status === 422) {
+                await github.rest.git.updateRef({
+                  owner: "kleffio",
+                  repo: "plugin-registry",
+                  ref: `heads/${branch}`,
+                  sha: ref.object.sha,
+                  force: true,
+                });
+              } else throw e;
+            }
+
+            await github.rest.repos.createOrUpdateFileContents({
+              owner: "kleffio",
+              repo: "plugin-registry",
+              path: "plugins.json",
+              message: `chore: bump alertmanager-alerting to v${version}`,
+              content: Buffer.from(JSON.stringify(plugins, null, 2) + "\n").toString("base64"),
+              branch,
+              sha: file.sha,
+            });
+
+            const { data: pr } = await github.rest.pulls.create({
+              owner: "kleffio",
+              repo: "plugin-registry",
+              title: `chore: bump alertmanager-alerting to v${version}`,
+              head: branch,
+              base: "main",
+              body: `Automated release PR from \`kleffio/alertmanager-alerting\` tag \`v${version}\`.`,
+            });
+
+            await github.rest.pulls.merge({
+              owner: "kleffio",
+              repo: "plugin-registry",
+              pull_number: pr.number,
+              merge_method: "squash",
+            });