Merge "Do not install N+1 release unless upgrade in progress"

bsp-files/kickstarts/post_net_controller.cfg

@@ -34,6 +34,7 @@ echo "Done" >/dev/console
 
 shopt -s nullglob
 
+if [ "$(curl -sf http://pxecontroller:6385/v1/upgrade/$(hostname)/upgrade_in_progress 2>/dev/null)" = "true" ]; then
     # Check whether a second release is installed
     . /etc/build.info
     CURRENT_REL_DIR=rel-${SW_VERSION}
@@ -76,5 +77,6 @@ if [ ! -z "$OTHER_REL_DIR" ]; then
 
         rm -rf $TMP_RPM
     fi
+fi
 
 %end