aio workflow: add container image pull

to accomodate temporary errors from ark (was getting a 500 error)

Author: elelaysh

.github/workflows/stackhpc-all-in-one.yml

@@ -314,6 +314,26 @@ jobs:
         env:
           KAYOBE_AUTOMATION_SSH_PRIVATE_KEY: ${{ steps.ssh_key.outputs.ssh_key }}
 
+      - name: Pull container images
+        run: |
+          # Try up to 3 times to pull container images.
+          for attempt in $(seq 3); do
+              docker run -t --rm \
+                -v $(pwd):/stack/kayobe-automation-env/src/kayobe-config \
+                -e KAYOBE_ENVIRONMENT -e KAYOBE_VAULT_PASSWORD -e KAYOBE_AUTOMATION_SSH_PRIVATE_KEY \
+                ${{ steps.kayobe_image.outputs.kayobe_image }} \
+                /stack/kayobe-automation-env/src/kayobe-config/.automation/pipeline/overcloud-container-image-pull.sh
+              if [ "$?" = "0" ]; then
+                  echo "Pulled container images on attempt $attempt"
+                  exit 0
+              fi
+              echo "Failed to pull container images on attempt $attempt"
+          done
+          echo "Failed to pull container imagers after $attempt attempts"
+          exit 1
+        env:
+          KAYOBE_AUTOMATION_SSH_PRIVATE_KEY: ${{ steps.ssh_key.outputs.ssh_key }}
+
       - name: Service deploy
         run: |
           docker run -t --rm \