munin: no diskstat plugin si iscsi

Car ça fait maaaaassssss graphes à tracer en plus, dyson souffre.

munin/scripts/link_plugins.py

@@ -22,6 +22,9 @@ import tempfile
 
 from hosts_plugins import hosts_plugins, general_plugins
 
+from gestion.config.services import services
+
+
 # Plugins munin classiques à ignorer
 IGNORE_PLUGINS = (
     'apt_all',
@@ -39,6 +42,13 @@ IGNORE_PLUGINS = (
     'vlan_',
     )
 
+if socket.gethostname() in services.services.get('iscsi', []):
+    IGNORE_PLUGINS += (
+        'diskstat',
+        'diskstats',
+        'diskstat_',
+    )
+
 # Chemin d'accès aux plugins munin
 MUNIN_PATH = "/usr/share/munin/plugins"