Use ISO8601 for image timestamp

.gitlab-ci.yml

@@ -39,7 +39,7 @@ build_packer:
   script:
     - cd CRI_XCBC && git checkout dev && git pull && cd ..
     - cd CRI_Cluster_Monitor && git checkout master && git pull && cd ..
-    - export PKR_VAR_build_image_name="xdmod-$TARGET_ENV-$(date +%Y%m%d%H%M%S)"
+    - export PKR_VAR_build_image_name="xdmod-$TARGET_ENV-$(TZ=America/Chicago date +%Y-%m-%dT%H%M%S)"
     - 'sed -i -E "s/(enable_selinix_permissive: ).*/\1true/" CRI_Cluster_Monitor/group_vars/all'
     - 'sed -i -E "s/(enable_simplesaml: ).*/\1true/" CRI_Cluster_Monitor/group_vars/all'
     - 'sed -i -E "s/(openssl_cert_gen: ).*/\1true/" CRI_Cluster_Monitor/group_vars/all'
@@ -68,7 +68,7 @@ clean_up:   # This job removes older built images
         openstack image delete ${img}
       done
   allow_failure: true
-  
+
 trigger_job:
   stage: post_build
   variables: