Allow to add a service description on "yunohost service add" (#529)

* [enh] add a service description with YML file

* moins "espace"

data/actionsmap/yunohost.yml

@@ -1136,6 +1136,9 @@ service:
                     full: --runlevel
                     help: Runlevel priority of the service
                     type: int
+                -d:
+                    full: --description
+                    help: Description of the service
 
         ### service_remove()
         remove:

src/yunohost/service.py

@@ -50,7 +50,7 @@ MOULINETTE_LOCK = "/var/run/moulinette_yunohost.lock"
 logger = log.getActionLogger('yunohost.service')
 
 
-def service_add(name, status=None, log=None, runlevel=None):
+def service_add(name, status=None, log=None, runlevel=None, description=None):
     """
     Add a custom service
 
@@ -59,6 +59,7 @@ def service_add(name, status=None, log=None, runlevel=None):
         status -- Custom status command
         log -- Absolute path to log file to display
         runlevel -- Runlevel priority of the service
+        description -- description of the service
 
     """
     services = _get_services()
@@ -74,6 +75,9 @@ def service_add(name, status=None, log=None, runlevel=None):
     if runlevel is not None:
         services[name]['runlevel'] = runlevel
 
+    if description is not None:
+        services[name]['description'] = description
+
     try:
         _save_services(services)
     except:
@@ -251,7 +255,10 @@ def service_status(names=[]):
 
         else:
             translation_key = "service_description_%s" % name
-            description = m18n.n(translation_key)
+            if "description" in services[name] is not None:
+                description = services[name].get("description")
+            else:
+                description = m18n.n(translation_key)
 
             # that mean that we don't have a translation for this string
             # that's the only way to test for that for now