github action to automerge dbdump PRs

.github/workflows/approve_mysqldbdump_pr.yml

@@ -0,0 +1,26 @@
+# Used to auto approve/merge PRs for mysqldbdump
+name: Automerge mysqldbdump PR
+
+on:
+  pull_request:
+    types:
+      - opened
+      - labeled
+  pull_request_review:
+    types:
+      - submitted
+jobs:
+  approve_and_merge:
+    runs-on: ubuntu-latest
+    if: github.actor == 'edx-deployment' && github.event.label.name == 'mysqldbdump'
+    steps:
+      - uses: hmarr/auto-approve-action@7782c7e2bdf62b4d79bdcded8332808fd2f179cd
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+      - name: automerge
+        uses: "pascalgn/automerge-action@7ab42e888a333bf77ce865bc84fedc6a365a3548"
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+          MERGE_LABELS: "mysqldbdump"
+          MERGE_FILTER_AUTHOR: "edx-deployment"
+          MERGE_METHOD: "merge"

.github/workflows/mysqldbdump.yml

@@ -17,7 +17,7 @@ jobs:
         with:
           time: '900s'
       - name: Dump database
-        run: docker exec -i edx.devstack.mysql mysqldump -u'edxapp001' -p'password' edxapp > edxapp.sql
+        run: docker exec -i edx.devstack.mysql mysqldump -u'edxapp001' -p'password' --skip-dump-date edxapp > edxapp.sql
       - name: Commit dump file to repo.
         run: ./.github/workflows/mysqldbdump_pr.sh
         env:

.github/workflows/mysqldbdump_pr.sh

@@ -14,21 +14,26 @@ tar -zxvf hub.tgz
 
 cd "$REPO_NAME"
 
-git config --global user.name "${GITHUB_USER}"
-git config --global user.email "${GITHUB_EMAIL}"
+if [[ -z $(git status -s) ]]; then
+    echo "No changes to commit."
+else
+    git config --global user.name "${GITHUB_USER}"
+    git config --global user.email "${GITHUB_EMAIL}"
 
-obsolete_dump_prs=`../hub-linux*/bin/hub pr list -s open --format '%I:%H %n' | grep 'github-actions-mysqldbdump'`
+    obsolete_dump_prs=`../hub-linux*/bin/hub pr list -s open --format '%I:%H %n' | grep 'github-actions-mysqldbdump'`
+
+    if [[ ! -z $obsolete_dump_prs ]]; then
+      for pr in $obsolete_dump_prs; do
+        IFS=':' read pr_num branch <<< "$pr"
+        ../hub-linux*/bin/hub issue update ${pr_num} -s closed
+        ../hub-linux*/bin/hub push origin --delete ${branch}
+      done
+    fi
+
+    git checkout -b github-actions-mysqldbdump/$GITHUB_SHA
+    git add "${DB_NAME}".sql
+    git commit  -m "MySQLdbdump" --author "GitHub Actions MySQLdbdump automation <admin@edx.org>"
+    git push --set-upstream origin github-actions-mysqldbdump/$GITHUB_SHA
+    ../hub-linux*/bin/hub pull-request -m "${DB_NAME} MySQL database dump" -m "MySQL database dump" -l mysqldbdump
 
-if [[ ! -z $obsolete_dump_prs ]]; then
- for pr in $obsolete_dump_prs; do
-   IFS=':' read pr_num branch <<< "$pr"
-     ../hub-linux*/bin/hub issue update ${pr_num} -s closed
-     ../hub-linux*/bin/hub push origin --delete ${branch}
- done
 fi
-
-git checkout -b github-actions-mysqldbdump/$GITHUB_SHA
-git add "${DB_NAME}".sql
-git commit  -m "MySQLdbdump" --author "GitHub Actions MySQLdbdump automation <admin@edx.org>"
-git push --set-upstream origin github-actions-mysqldbdump/$GITHUB_SHA
-../hub-linux*/bin/hub pull-request -m "${DB_NAME} MySQL database dump" -m "MySQL database dump"