ci: add workflow to automate n8n updates (N8N-13)

.github/workflows/n8n-dependency-update.yaml

@@ -0,0 +1,243 @@
+name: n8n Dependency Update
+
+on:
+  pull_request:
+    branches:
+      - main
+    types:
+      - opened
+      - reopened
+
+env:
+  YQ_VERSION: v4.44.1
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  determine-versions:
+    name: Determine node, n8n and types Versions
+    runs-on: ubuntu-latest
+    # yamllint disable-line rule:line-length
+    if: ${{ github.actor != 'dependabot[bot]' && contains(github.event.pull_request.title, 'bump n8n from') }}
+
+    outputs:
+      target-node-version: ${{ steps.target-node-version.outputs.version }}
+      target-n8n-version: ${{ steps.target-n8n-version.outputs.version }}
+      target-n8n-nodes-base-version: ${{ steps.target-n8n-nodes-base-version.outputs.version }}
+      target-n8n-workflow-version: ${{ steps.target-n8n-workflow-version.outputs.version }}
+      target-types-node-version: ${{ steps.target-types-node-version.outputs.version }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Extract target n8n version
+        id: target-n8n-version
+        # yamllint disable-line rule:line-length
+        run: echo "version=$(jq --raw-output '.packages["node_modules/n8n"].version' package-lock.json)" >> "$GITHUB_OUTPUT"
+
+      - name: Extract target n8n-nodes-base version
+        id: target-n8n-nodes-base-version
+        # yamllint disable-line rule:line-length
+        run: echo "version=$(jq --raw-output '.packages["node_modules/n8n"].dependencies["n8n-nodes-base"]' package-lock.json)" >> "$GITHUB_OUTPUT"
+
+      - name: Extract target n8n-workflow version
+        id: target-n8n-workflow-version
+        # yamllint disable-line rule:line-length
+        run: echo "version=$(jq --raw-output '.packages["node_modules/n8n"].dependencies["n8n-workflow"]' package-lock.json)" >> "$GITHUB_OUTPUT"
+
+      - name: Retrieve Node.js version from n8n Docker Image
+        id: target-node-version
+        run: |
+          node_version=$(echo $(docker run --rm --entrypoint node n8nio/n8n:1.44.2 --version))
+          echo "version=${node_version#v}" >> "$GITHUB_OUTPUT"
+
+      - name: Find closest matching version of @types/node
+        id: target-types-node-version
+        # yamllint disable-line rule:line-length
+        run: echo "version=$(npm show @types/node versions --json | jq -r 'map(select(. <= "${{ steps.target-node-version.outputs.version }}")) | map(split(".") | map(tonumber)) | max_by(.) | join(".")')" >> "$GITHUB_OUTPUT"
+
+  update-common-dependencies:
+    name: Update Common Dependencies
+    runs-on: ubuntu-latest
+    if: contains(github.event.pull_request.title, 'bump n8n from')
+    needs: determine-versions
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Update node version in devcontainer.json
+        # yamllint disable rule:line-length
+        run: |
+          devcontainer_json='.devcontainer/devcontainer.json'
+          json_path='["features", "ghcr.io/devcontainers/features/node:1", "version"]'
+          target_node_version='${{ needs.determine-versions.outputs.target-node-version }}'
+
+          if [ "$(jq -r --argjson path "${json_path}" 'getpath($path)' ${devcontainer_json})" != "${target_node_version}" ]; then
+            jq \
+            --argjson path "${json_path}" \
+            --arg version "${target_node_version}" \
+            'setpath($path; $version)' ${devcontainer_json} > ${devcontainer_json}.new
+
+            mv ${devcontainer_json}.new ${devcontainer_json}
+          fi
+        # yamllint enable rule:line-length
+
+      - name: Commit node version update in devcontainer.json
+        uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          # yamllint disable-line rule:line-length
+          commit_message: 'chore: bump node version in devcontainer to ${{ needs.determine-versions.outputs.target-node-version }}'
+          skip_dirty_check: false
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          cache: npm
+
+      - name: Update @types/node
+        # yamllint disable rule:line-length
+        run: |
+          npm install @types/node@~${{ needs.determine-versions.outputs.target-types-node-version }} \
+            --save-dev
+        # yamllint enable rule:line-length
+
+      - name: Commit @types/node update
+        uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          # yamllint disable-line rule:line-length
+          commit_message: 'chore: bump @types/node version to ${{ needs.determine-versions.outputs.target-types-node-version }}'
+          skip_dirty_check: false
+
+      - name: Update n8n-nodes-base in root
+        # yamllint disable rule:line-length
+        run: |
+          npm install n8n-nodes-base@${{ needs.determine-versions.outputs.target-n8n-nodes-base-version }} \
+            --save-dev \
+            --save-exact
+        # yamllint enable rule:line-length
+
+      - name: Commit n8n-nodes-base update
+        uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          # yamllint disable-line rule:line-length
+          commit_message: 'chore: bump n8n-nodes-base version to ${{ needs.determine-versions.outputs.target-n8n-nodes-base-version }}'
+          skip_dirty_check: false
+
+      - name: Update n8n-workflow in root
+        # yamllint disable rule:line-length
+        run: |
+          npm install n8n-workflow@${{ needs.determine-versions.outputs.target-n8n-workflow-version }} \
+            --save-dev \
+            --save-exact
+        # yamllint enable rule:line-length
+
+      - name: Commit n8n-workflow update
+        uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          # yamllint disable-line rule:line-length
+          commit_message: 'chore: bump n8n-workflow version to ${{ needs.determine-versions.outputs.target-n8n-workflow-version }}'
+
+  update-n8n-versions-in-nodes:
+    name: Update n8n versions in nodes
+    runs-on: ubuntu-latest
+    if: contains(github.event.pull_request.title, 'bump n8n from')
+    needs:
+      - determine-versions
+      - update-common-dependencies
+
+    strategy:
+      matrix:
+        node:
+          - test
+      max-parallel: 1
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Update n8n-nodes-base version
+        # yamllint disable rule:line-length
+        run: |
+          sed -i "s/\"n8n-nodes-base\": \".*\"/\"n8n-nodes-base\": \"${{ needs.determine-versions.outputs.target-n8n-nodes-base-version }}\"/g" nodes/${{matrix.node}}/package.json
+        # yamllint enable rule:line-length
+
+      - name: Commit n8n version updates in node
+        uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          # yamllint disable-line rule:line-length
+          commit_message: 'fix(${{matrix.node}}): bump n8n-nodes-base version to ${{ needs.determine-versions.outputs.target-n8n-nodes-base-version }}'
+          skip_dirty_check: false
+
+      - name: Update n8n-workflow version
+        # yamllint disable rule:line-length
+        run: |
+          sed -i "s/\"n8n-workflow\": \".*\"/\"n8n-workflow\": \"${{ needs.determine-versions.outputs.target-n8n-workflow-version }}\"/g" nodes/${{matrix.node}}/package.json
+        # yamllint enable rule:line-length
+
+      - name: Commit n8n version updates in node
+        uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          # yamllint disable-line rule:line-length
+          commit_message: 'fix(${{matrix.node}}): bump n8n-workflow version to ${{ needs.determine-versions.outputs.target-n8n-workflow-version }}'
+          skip_dirty_check: false
+
+  verify-workflow-node-version:
+    name: Verify matching version for GitHub Workflow Node.js
+    runs-on: ubuntu-latest
+    if: contains(github.event.pull_request.title, 'bump n8n from')
+    needs: determine-versions
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup YQ
+        uses: chrisdickinson/setup-yq@latest
+        with:
+          yq-version: ${{ env.YQ_VERSION }}
+
+      - name: Check Node.js version
+        id: check_node_version
+        # yamllint disable rule:line-length
+        run: |
+          workflow_file_urls=()
+
+          for workflow_file in ".github/workflows/"*.yaml; do
+            node_version=$(yq eval '.env.NODE_VERSION' "$workflow_file")
+            if [ "${node_version}" = "null" ] || [ "${node_version}" = "${{ needs.determine-versions.outputs.target-node-version }}" ] ; then
+              continue;
+            fi
+
+            line_number=$(yq eval '.env.NODE_VERSION | line' "$workflow_file")
+
+            url="[${workflow_file}](${{ github.server_url }}/${{ github.repository }}/blob/main/${workflow_file}#L${line_number})"
+
+            workflow_file_urls+=("$url")
+          done
+
+          if [ ${#workflow_file_urls[@]} -gt 0 ]; then
+            echo "workflow_file_urls=${workflow_file_urls[*]}" >> "$GITHUB_OUTPUT"
+          fi
+        # yamllint enable rule:line-length
+
+      - name: Request changes on PR
+        if: steps.check_node_version.outputs.workflow_file_urls
+        # yamllint disable rule:line-length
+        run: |
+          # Split the output by spaces into an array
+          IFS=' ' read -r -a files_array <<< "${{ steps.check_node_version.outputs.workflow_file_urls }}"
+
+          files_with_newlines=$(printf -- '- %s\n' "${files_array[@]}")
+
+          body=$(printf "The following Workflows have a different NODE_VERSION:\n%s\n\nPlease update the Node.js version to **${{ needs.determine-versions.outputs.target-node-version }}**." "${files_with_newlines}")
+
+          gh pr review ${{ github.event.pull_request.number }} \
+            --request-changes \
+            --body "${body}"
+        # yamllint enable rule:line-length
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}