+echo "NUM_ODL_SYSTEM=${#ODL_SYSTEM[@]}" >> slave_addresses.txt
+echo "NUM_TOOLS_SYSTEM=${#TOOLS_SYSTEM[@]}" >> slave_addresses.txt
+#if HA Proxy is requested the last devstack node will be configured as haproxy
+if [ "${ENABLE_HAPROXY_FOR_NEUTRON}" == "yes" ]; then
+ echo "NUM_OPENSTACK_SYSTEM=$(( ${#OPENSTACK_SYSTEM[@]} - 1 ))" >> slave_addresses.txt
+else
+ echo "NUM_OPENSTACK_SYSTEM=${#OPENSTACK_SYSTEM[@]}" >> slave_addresses.txt
+fi
+
+# Add alias for ODL_SYSTEM_1_IP as ODL_SYSTEM_IP
+echo "ODL_SYSTEM_IP=${ODL_SYSTEM[0]}" >> slave_addresses.txt
+for i in `seq 0 $(( ${#ODL_SYSTEM[@]} - 1 ))`