Add reverse option

Change-Id: I6d23ce883123fd66ebb030e373ac011a9e1baa46

bin/swsync

@@ -34,7 +34,15 @@ class Main(object):
             dest='log_level',
             default='info',
             help='Number of containers to distribute objects among')
+        parser.add_option(
+            '-R', '--reverse',
+            action="store_true",
+            dest='reverse',
+            default=False,
+            help='Traverse container list forward or reversed')
         self.options, args = parser.parse_args()
+        if self.options:
+            swsync.utils.REVERSE = self.options.reverse
         if args:
             conf = swsync.utils.parse_ini(args[0])
         else:

swsync/accounts.py

@@ -137,7 +137,11 @@ class Accounts(object):
                 # let's pass it on for the next pass
                 return
 
-        for container in orig_containers:
+        container_list = iter(orig_containers)
+        if swsync.utils.REVERSE:
+            container_list = reversed(orig_containers)
+
+        for container in container_list:
             logging.info("Syncronizing container %s: %s",
                          container['name'], container)
             dt1 = datetime.datetime.fromtimestamp(time.time())

swsync/utils.py

@@ -24,6 +24,7 @@ curdir = os.path.abspath(os.path.dirname(__file__))
 INIFILE = os.path.abspath(os.path.join(curdir, '..', 'etc', "config.ini"))
 SAMPLE_INIFILE = os.path.abspath(os.path.join(curdir, '..',
                                               'etc', "config.ini-sample"))
+REVERSE = False
 
 
 class ConfigurationError(Exception):
@@ -55,7 +56,7 @@ def parse_ini(inicfg=None):
     elif inicfg is None and os.path.exists(INIFILE):
         fp = open(INIFILE)
     else:
-        raise ConfigurationError("Cannot found inicfg")
+        raise ConfigurationError("Cannot find inicfg")
 
     config = ConfigParser.RawConfigParser()
     config.readfp(fp)