run corresponding re2o-service on DHCP servers

network.yml

@@ -17,7 +17,16 @@
     
 # Set up DHCP servers.
 - hosts: dhcp
+  vars:
+    service_repo: https://gitlab.federez.net/re2o/dhcp.git
+    service_name: dhcp
+    service_version: master
+    service_config:
+      hostname: re2o-server.adm.auro.re
+      username: service-user
+      password: "{{ vault_serviceuser_passwd }}"
   roles:
+    - re2o-service
     - isc-dhcp-server
 
 # Deploy DNS