cyclades: Rename poolsize settings for uniformity

Rename ASTAKOS_POOLSIZE to CYCLADES_ASTAKOSCLIENT_POOLIZE;
expose it to the conf file.

Changelog

@@ -157,8 +157,8 @@ Cyclades
 * Make 'type' attribute required for network create API request.
 * Networks not created to all Ganeti backends upon creation, they are instead
   created to a backend only when a VM connects to the network.
-* Add 'ASTAKOS_POOLSIZE' setting which tunes the size of the http connection
-  pool to astakos.
+* Add 'CYCLADES_ASTAKOSCLIENT_POOLSIZE' setting which tunes the size of the
+  http connection pool to astakos.
 * Remove 'CYCLADES_USER_CATALOG_URL' and 'CYCLADES_USER_FEEDBACK_URL' settings
 * Remove CYCLADES_USE_QUOTAHOLDER, CYCLADES_QUOTAHOLDER_TOKEN,
   CYCLADES_QUOTAHOLDER_URL, CYCLADES_QUOTAHOLDER_POOLSIZE settings

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

@@ -107,3 +107,6 @@
 # endpoints. Set this to False if you deploy cyclades-app/astakos-app on the
 # same machine.
 #CYCLADES_PROXY_USER_SERVICES = True
+
+# Tune the size of the http connection pool to astakos.
+#CYCLADES_ASTAKOSCLIENT_POOLSIZE = 50

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

@@ -93,7 +93,7 @@ ASTAKOS_BASE_URL = 'https://accounts.example.synnefo.org/'
 
 # Tune the size of the Astakos http client connection pool
 # This limit the number of concurrent requests to Astakos.
-ASTAKOS_POOLSIZE = 50
+CYCLADES_ASTAKOSCLIENT_POOLSIZE = 50
 
 # Key for password encryption-decryption. After changing this setting, synnefo
 # will be unable to decrypt all existing Backend passwords. You will need to

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

@@ -78,7 +78,7 @@ _pithos_backend_pool = \
         POOL_SIZE,
         astakos_url=settings.ASTAKOS_BASE_URL,
         service_token=settings.CYCLADES_SERVICE_TOKEN,
-        astakosclient_poolsize=settings.ASTAKOS_POOLSIZE,
+        astakosclient_poolsize=settings.CYCLADES_ASTAKOSCLIENT_POOLSIZE,
         db_connection=settings.BACKEND_DB_CONNECTION,
         block_path=settings.BACKEND_BLOCK_PATH)