update image push workflow to create pr

.github/workflows/build-push-image-commit.yaml → .github/workflows/build-push-create-pr.yaml

@@ -1,5 +1,6 @@
 name: Build and push container image, and push update to datahub repo if needed
 on:
+  workflow_dispatch:
   push:
     branches:
       - main
@@ -67,6 +68,10 @@ jobs:
   update-deployment-image-tag:
     runs-on: ubuntu-latest
     needs: build-and-push
+    permissions:
+      contents: write
+      pull-requests: write
+      repository-projects: write
     env:
       HUB: ${{ vars.HUB }}
       IMAGE: ${{ vars.IMAGE }}
@@ -92,15 +97,17 @@ jobs:
       - name: Update the tag for any deployments that use this image
         if: ${{ env.IMAGE_TAG }}
         run: |
-          for deployment in $(grep -lr ${IMAGE} deployments/ | grep hubploy.yaml); do
+          for deployment in $(grep -lr ${IMAGE} deployments/); do
             old_hash=$(grep ${IMAGE} ${deployment} | awk -F":" '{print $3}')
             new_hash=${IMAGE_TAG}
             sed -i -e "s,${IMAGE}:${old_hash},${IMAGE}:${new_hash},g" ${deployment}
             echo "Updated ${deployment} with new image tag ${new_hash}"
           done
 
-      - name: Create feature branch, add, commit and push changes
+      - name: Create feature branch, add, commit, push changes and open a pull request
         if: ${{ env.IMAGE_TAG }}
+        env:
+          GH_TOKEN: ${{ secrets.DATAHUB_CREATE_PR }}
         run: |
           CHANGED_FILES=$(git status --porcelain -uno | awk '{print $2}')
           git diff
@@ -109,8 +116,21 @@ jobs:
           for file in $(echo -e ${CHANGED_FILES}); do
             git add ${file}
           done
-          git commit -m "update ${HUB} image tag to ${IMAGE_TAG}: ${CHANGED_FILES}"
-          git push origin update-${HUB}-image-tag-${IMAGE_TAG}
+
+          BRANCH="update-${HUB}-image-tag-${IMAGE_TAG}"
+          MESSAGE="update ${HUB} image tag to ${IMAGE_TAG}"
+          git commit -m "${MESSAGE}"
+          git push origin ${BRANCH}
+          #
+          # now create a PR!
+          #
+          cat << EOF > ${HOME}/pr-body.txt
+          ${MESSAGE}
+
+          ${CHANGED_FILES}
+          EOF
+          BODY=$(cat ${HOME}/pr-body.txt)
+          gh pr new -t "${MESSAGE}" -b "${BODY}" -H${BRANCH} -Bstaging
 
       - name: Print out a message if no PR is created
         if: ${{ ! env.IMAGE_TAG }}