[re2o] Select optional apps

Signed-off-by: Yohann D'ANELLO <ynerant@crans.org>

group_vars/re2o.yml

@@ -19,3 +19,7 @@ glob_re2o:
   database:
       password: "{{ vault.re2o_db_password }}"
       uri: "172.16.10.1"
+  optional_apps:
+    - api
+    - captcha
+    - prefix_delegation

host_vars/routeur-gulp.cachan-adm.crans.org/radius.yml

@@ -21,3 +21,5 @@ loc_re2o:
   database:
       password: "{{ vault.re2o_db_password }}"
       uri: "{{ query('ldap', 'ip', 'gulp', 'cachan-adm') | ipv4 | first }}"
+
+  optional_apps: []

roles/re2o/templates/re2o/settings_local.py.j2

@@ -93,6 +93,6 @@ GID_RANGES = {
 OPTIONNAL_APPS_RE2O = ()
 
 # Some Django apps you want to add in you local project
-OPTIONNAL_APPS = OPTIONNAL_APPS_RE2O + ('api', 'captcha', 'prefix_delegation',)
+OPTIONNAL_APPS = OPTIONNAL_APPS_RE2O + ({% for app in re2o.optional_apps %}'{{ app }}', {% endfor %})
 
 PREFIX_DELEGATION_OWNER = 'users.User'