Automation: Label pull requests based on changed files (#32039)

* Automation: Label pull requests based on changed files

* Update commands

* Updates for build-packaging

* fix path to backend architecture docs

.github/pr-commands.json

@@ -0,0 +1,169 @@
+[
+  {
+    "type": "changedfiles",
+    "matches": [
+        "/docs/",
+        "/contribute/"
+    ],
+    "action": "updateLabel",
+    "addLabel": "type/docs"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [
+        "/public",
+        "/packages",
+        "/e2e",
+        "/plugins-bundled",
+        "/scripts/build/release-packages.sh",
+        "/scripts/circle-release-next-packages.sh",
+        "/scripts/ci-frontend-metrics.sh",
+        "/scripts/grunt",
+        "/scripts/webpack",
+        "package.json",
+        "tsconfig.json",
+        "lerna.json",
+        ".babelrc",
+        ".prettierrc.js",
+        ".eslintrc",
+        "*.mdx"
+    ],
+    "action": "updateLabel",
+    "addLabel": "area/frontend"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [
+        "*.go",
+        "go.mod",
+        "go.sum",
+        "/contribute/style-guides/backend.md",
+        "/contribute/architecture/backend",
+        "/scripts/go/"
+    ],
+    "action": "updateLabel",
+    "addLabel": "area/backend"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [
+        "/pkg/services/sqlstore/migrations",
+        "*_mig.go"
+    ],
+    "action": "updateLabel",
+    "addLabel": "area/backend/db/migration"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [ "/public/app/features/explore"],
+    "action": "updateLabel",
+    "addLabel": "area/explore"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [
+      "/.circleci",
+      "/packaging",
+      "/scripts/build",
+      "/scripts/*.sh",
+      "/scripts/*.star",
+      "/.drone.star",
+      "/.drone.yml",
+      "/Makefile",
+      "/Dockerfile",
+      "/Dockerfile.ubuntu"
+    ],
+    "action": "updateLabel",
+    "addLabel": "type/build-packaging"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [ "/public/app/plugins/datasource/grafana-azure-monitor-datasource", "/pkg/tsdb/azuremonitor"],
+    "action": "updateLabel",
+    "addLabel": "datasource/Azure"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [ "/public/app/plugins/datasource/cloud-monitoring", "/pkg/tsdb/cloudmonitoring"],
+    "action": "updateLabel",
+    "addLabel": "datasource/GoogleCloudMonitoring"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [ "/public/app/plugins/datasource/cloudwatch", "/pkg/tsdb/cloudwatch"],
+    "action": "updateLabel",
+    "addLabel": "datasource/CloudWatch"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [ "/public/app/plugins/datasource/elasticsearch", "/pkg/tsdb/elasticsearch"],
+    "action": "updateLabel",
+    "addLabel": "datasource/Prometheus"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [ "/public/app/plugins/datasource/graphite", "/pkg/tsdb/graphite"],
+    "action": "updateLabel",
+    "addLabel": "datasource/Graphite"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [ "/public/app/plugins/datasource/influxdb", "/pkg/tsdb/influx"],
+    "action": "updateLabel",
+    "addLabel": "datasource/InfluxDB"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [ "/public/app/plugins/datasource/jaeger"],
+    "action": "updateLabel",
+    "addLabel": "datasource/Jaeger"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [ "/public/app/plugins/datasource/loki", "/pkg/tsdb/loki"],
+    "action": "updateLabel",
+    "addLabel": "datasource/Loki"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [ "/public/app/plugins/datasource/mssql", "/pkg/tsdb/mssql"],
+    "action": "updateLabel",
+    "addLabel": "datasource/MSSQL"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [ "/public/app/plugins/datasource/mysql", "/pkg/tsdb/mysql"],
+    "action": "updateLabel",
+    "addLabel": "datasource/MySQL"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [ "/public/app/plugins/datasource/opentsdb", "/pkg/tsdb/opentsdb"],
+    "action": "updateLabel",
+    "addLabel": "datasource/OpenTSDB"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [ "/public/app/plugins/datasource/postgres", "/pkg/tsdb/postgres"],
+    "action": "updateLabel",
+    "addLabel": "datasource/Postgres"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [ "/public/app/plugins/datasource/prometheus", "/pkg/tsdb/prometheus"],
+    "action": "updateLabel",
+    "addLabel": "datasource/Prometheus"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [ "/public/app/plugins/datasource/tempo", "/pkg/tsdb/tempo"],
+    "action": "updateLabel",
+    "addLabel": "datasource/Tempo"
+  },
+  {
+    "type": "changedfiles",
+    "matches": [ "/public/app/plugins/datasource/zipkin"],
+    "action": "updateLabel",
+    "addLabel": "datasource/Zipkin"
+  }
+]

.github/workflows/pr-commands.yml

@@ -0,0 +1,25 @@
+name: PR automation
+on:
+  pull_request_target:
+    types:
+      - opened
+      - synchronize
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Actions
+        uses: actions/checkout@v2
+        with:
+          repository: "grafana/grafana-github-actions"
+          path: ./actions
+          ref: main
+      - name: Install Actions
+        run: npm install --production --prefix ./actions
+      - name: Run Commands
+        uses: ./actions/commands
+        with:
+          metricsWriteAPIKey: ${{secrets.GRAFANA_MISC_STATS_API_KEY}}
+          token: ${{secrets.GH_BOT_ACCESS_TOKEN}}
+          configPath: pr-commands