Automated Kolla dependency update

Author: assumptionsandg

.github/workflows/update-dependencies.yml

@@ -0,0 +1,94 @@
+name: Update dependencies
+
+on:
+  # Allow manual executions
+  workflow_dispatch:
+  # Run nightly
+  schedule:
+    - cron: '0 0 * * *'
+
+jobs:
+  propose_github_release_updates:
+    runs-on: ubuntu-22.04
+    strategy:
+      matrix:
+        include:
+          - key: kolla
+            path: src/kayobe-config/etc/kayobe/stackhpc.yml
+            repository: stackhpc/kolla
+            version_jsonpath: stackhpc_kolla_source_version
+
+          - key: kolla-ansible
+            path: src/kayobe-config/etc/kayobe/stackhpc.yml
+            repository: stackhpc/kolla-ansible
+            version_jsonpath: stackhpc_kolla_ansible_source_version
+
+          - key: kayobe
+            path: src/kayobe-config/requirements.txt
+            repository: stackhpc/kayobe
+
+    name: ${{ matrix.key }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+          path: src/kayobe-config
+
+      - name: Determine OpenStack release
+        id: openstack_release
+        run: |
+          BRANCH=$(awk -F'=' '/defaultbranch/ {print $2}' src/kayobe-config/.gitreview)
+          echo "openstack_release=${BRANCH}" | sed -E "s,(stable|unmaintained)/,," >> $GITHUB_OUTPUT
+
+      - name: Checkout the dependency repo
+        uses: actions/checkout@v4
+        with:
+          repository: ${{ matrix.repository }}
+          ref: stackhpc/${{ steps.openstack_release.outputs.openstack_release }}
+          path: src/${{ matrix.key }}
+
+      - name: Get latest tag
+        id: latest_tag
+        run: |
+          TAG=$(git describe --tags --abbrev=0 --match stackhpc/\*)
+          echo latest_tag=${TAG} >> $GITHUB_OUTPUT
+
+      - name: Update dependency key (kolla)
+        uses: azimuth-cloud/github-actions/config-update@master
+        with:
+          path: ${{ matrix.path }}
+          updates: |
+            ${{ matrix.version_jsonpath }}=${{ steps.latest_tag.outputs.latest_tag }}
+        if: contains(matrix.key, 'kolla')
+
+      - name: Update dependency key (kayobe)
+        run: |
+          REPLACE=$(sed -i "s/@stackhpc\/.*$/$TAG/g" $REQUIREMENTS)
+        if: contains(matrix.key, 'kayobe')
+        env:
+          TAG: ${{ steps.latest_tag.outputs.latest_tag }}
+          REQUIREMENTS: ${{ matrix.path }}
+
+      - name: Generate app token for PR
+        uses: azimuth-cloud/github-actions/generate-app-token@master
+        id: generate-app-token
+        with:
+          repository: ${{ github.repository }}
+          app-id: ${{ secrets.AUTOMATION_APP_ID }}
+          app-private-key: ${{ secrets.AUTOMATION_APP_PRIVATE_KEY }}
+
+      - name: Propose changes via PR if required
+        uses: peter-evans/create-pull-request@v7
+        with:
+          token: ${{ steps.generate-app-token.outputs.token }}
+          path: src/kayobe-config
+          commit-message: >-
+            Bump ${{ matrix.key }} to ${{ steps.next.outputs.version }}
+          branch: update-dependency/${{ matrix.key }}
+          delete-branch: true
+          title: >-
+            Bump ${{ matrix.key }} to ${{ steps.next.outputs.version }}
+          body: >
+            This PR was created automatically to update
+            ${{ matrix.key }} to ${{ steps.next.outputs.version }}.
+          labels: |
+            stackhpc-ci