Reformat the line for readability

.gitlab-ci.yml

@@ -385,12 +385,20 @@ cleanup:
   tags:
     - build
   script:
+    - >
+      SERVER_TO_BE_DELETE=($(openstack server list --name $OOD_INSTANCE_NAME --sort-column Image --sort-descending -f value -c ID
+      | awk -v NSTK=$NUM_SERVER_TO_KEEP '{count++}
+      {if (count>NSTK) print}'))
+    - >
+      IMAGE_TO_BE_DELETE=($(openstack image list --sort-column Name --sort-descending -f value -c Name -c ID
+      | awk -v NITK=$NUM_IMAGE_TO_KEEP -v REGEX=ood-$TIMESTAMP_REGEX
+      '{if ($0 ~ REGEX) result[count++] = $1}
+      END {for(i=NITK;i<count;i++) print result[i]}'))
     - |
-      SERVER_TO_BE_DELETE=($(openstack server list --name $OOD_INSTANCE_NAME --sort-column Image --sort-descending -f value -c ID | awk -v NSTK=$NUM_SERVER_TO_KEEP '{count++} {if (count>NSTK) print}'))
-      IMAGE_TO_BE_DELETE=($(openstack image list --sort-column Name --sort-descending -f value -c Name -c ID | awk -v NITK=$NUM_IMAGE_TO_KEEP -v REGEX=ood-$TIMESTAMP_REGEX '{if ($0 ~ REGEX) result[count++] = $1} END {for(i=NITK;i<count;i++) print result[i]}'))
       for svr in ${SERVER_TO_BE_DELETE[@]}; do
         openstack server delete ${svr}
       done
+    - |
       for img in ${IMAGE_TO_BE_DELETE[@]}; do
         openstack image delete ${img}
       done