Added user bridgehead and made changes to run bridghead as this user

lib/setup-bridgehead-units.sh

@@ -3,9 +3,7 @@
 
 source lib/functions.sh
 
-exitIfNotRoot
-
-if ! ./lib/prerequisites.sh; then
+if ! su bridgehead ./lib/prerequisites.sh; then
     log "Prerequisites failed, exiting"
     exit 1
 fi
@@ -20,6 +18,8 @@ cp -v \
 
 systemctl daemon-reload
 
+su bridgehead source ./lib/generate.sh
+
 echo
 
 if ! systemctl is-active --quiet bridgehead@"${project}"; then