Stick to template used in other builds for image properties

.gitlab-ci.yml

@@ -154,6 +154,8 @@ build_ssh_proxy_image:
     - packer build -machine-readable openstack-compute | tee login_build.log
     - export BUILT_LOGIN_IMAGE_ID=$(grep 'Image:' login_build.log | awk '{print $4}')
     - echo BUILT_LOGIN_IMAGE_ID=${BUILT_LOGIN_IMAGE_ID} | tee -a $CI_PROJECT_DIR/image.env
+    # set image properties with repo state
+    - openstack image set --property EXT_PR_SRC_REPO=${EXT_PR_SRC_REPO} --property EXT_PR_SRC_BRANCH_SHA=${EXT_PR_SRC_BRANCH_SHA} --property EXT_PR_TARGET_REPO=${EXT_PR_TARGET_REPO} --property EXT_PR_TARGET_BRANCH_SHA=${EXT_PR_TARGET_BRANCH_SHA} --property PACKER_IMAGE_HEAD=${CI_COMMIT_SHORT_SHA} ${BUILT_LOGIN_IMAGE_ID}
   artifacts:
     reports:
       dotenv: image.env