ci: add CF Pages -> Slack notifications (#2270)

This allows to track deployment.

.github/workflows/deploy-cf.yaml

@@ -0,0 +1,26 @@
+name: Deployment trigger
+permissions: read-all
+
+on:
+  push:
+    branches:
+      - main
+
+concurrency:
+  # yamllint disable-line rule:line-length
+  group: "${{ github.workflow }}-${{ github.ref }}"
+  cancel-in-progress: true
+
+jobs:
+  deploy:
+    timeout-minutes: 5
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Deployment start
+        if: always() && github.event_name == 'push' && github.ref == 'refs/heads/main'
+        # yamllint disable-line rule:line-length
+        # nosemgrep: yaml.github-actions.security.third-party-action-not-pinned-to-commit-sha.third-party-action-not-pinned-to-commit-sha
+        uses: Mergifyio/gha-slack-notification@main
+        with:
+          type: deploy-start
+          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_DEPLOYMENT_WEBHOOK_URL_RELEASES }}

cf-build.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+set -e
+set -o pipefail
+
+slack_message () {
+    local message="$1"
+    local filename="docs-build-${CF_PAGES_COMMIT_SHA}.log"
+
+    local payload=$(
+cat <<SLACK_EOF
+{
+  "blocks": [
+    {
+      "type": "section",
+      "text": {
+        "type": "mrkdwn",
+        "text": "${message}"
+      },
+      "accessory": {
+        "type": "button",
+        "text": {
+          "type": "plain_text",
+          "text": "Cloudflare log",
+          "emoji": true
+        },
+        "url": "https://dash.cloudflare.com/799c85a11fd788c9c914fa97c52d971e/pages/view/docs-cf-prod"
+      }
+    }
+  ]
+}
+SLACK_EOF
+)
+    echo -en "$payload" | curl -s -H "Content-type: application/json" -d @- "$SLACK_DEPLOYMENT_WEBHOOK_URL_RELEASES"
+    if [ "$conclusion" == "failure" ]; then
+        echo -en "$payload" | curl -s -H "Content-type: application/json" -d @- "$SLACK_DEPLOYMENT_WEBHOOK_URL_PROD"
+        curl -F file=@build.log -F "initial_comment=$filename" -F channels=CJBEQQPFG -H "Authorization: Bearer $SLACK_DEPLOYMENT_BOT_TOKEN" https://slack.com/api/files.upload
+    fi
+}
+
+echo "Starting build..." > build.log
+slack_message "*Building (${CF_PAGES_BRANCH}/${CF_PAGES_COMMIT_SHA}) of docs *"
+exit() { slack_message "*Deployment (${CF_PAGES_BRANCH}/${CF_PAGES_COMMIT_SHA}) of docs finished ${emoji}*\\\nConclusion: ${conclusion}"; }
+conclusion="failure" emoji="💥"
+trap exit EXIT
+
+gatsby build 2>&1 | tee -a build.log
+
+conclusion="success" emoji="🦾"

package.json

@@ -3,6 +3,7 @@
   "private": true,
   "scripts": {
     "build": "gatsby build",
+    "cf-build": "bash ./cf-build.sh",
     "serve": "gatsby serve",
     "develop": "gatsby develop",
     "eslint": "eslint src",
@@ -90,4 +91,4 @@
   "optionalDependencies": {
     "@parcel/watcher-linux-x64-glibc": "^2.3.0"
   }
-}
+}