plankton: Pass conf values to Pithos backend

Pass Archipelago config file, XSEG pool size and
mapfile check interval configuration values when
instantiating Pithos backend class.

snf-cyclades-app/conf/20-snf-cyclades-app-plankton.conf

@@ -19,3 +19,11 @@
 #
 ## The owner of the images that will be marked as "system images" by the UI
 #SYSTEM_IMAGES_OWNER = 'okeanos'
+#Archipelago Configuration File
+#PITHOS_BACKEND_ARCHIPELAGO_CONF = '/etc/archipelago/archipelago.conf'
+#
+#Archipelagp xseg pool size
+#PITHOS_BACKEND_XSEG_POOL_SIZE = 8
+#
+#The maximum interval (in seconds) for consequent backend object map checks
+#PITHOS_BACKEND_MAP_CHECK_INTERVAL = 1

snf-cyclades-app/synnefo/app_settings/default/plankton.py

@@ -19,3 +19,12 @@ DEFAULT_CONTAINER_FORMAT = 'bare'
 
 # The owner of the images that will be marked as "system images" by the UI
 SYSTEM_IMAGES_OWNER = 'okeanos'
+
+#Archipelago Configuration File
+PITHOS_BACKEND_ARCHIPELAGO_CONF = '/etc/archipelago/archipelago.conf'
+
+# Archipelagp xseg pool size
+PITHOS_BACKEND_XSEG_POOL_SIZE = 8
+
+# The maximum interval (in seconds) for consequent backend object map checks
+PITHOS_BACKEND_MAP_CHECK_INTERVAL = 1

snf-cyclades-app/synnefo/plankton/backend.py

@@ -81,7 +81,9 @@ def get_pithos_backend():
             service_token=settings.CYCLADES_SERVICE_TOKEN,
             astakosclient_poolsize=settings.CYCLADES_ASTAKOSCLIENT_POOLSIZE,
             db_connection=settings.BACKEND_DB_CONNECTION,
-            block_path=settings.BACKEND_BLOCK_PATH)
+            archipelago_conf_file=settings.PITHOS_BACKEND_ARCHIPELAGO_CONF,
+            xseg_pool_size=settings.PITHOS_BACKEND_XSEG_POOL_SIZE,
+            map_check_interval=settings.PITHOS_BACKEND_MAP_CHECK_INTERVAL)
     return _pithos_backend_pool.pool_get()