Support query queues with count

Zaqar will support query queues with '--with_count' to
return the amount of the queues. This will help users to
quickly get the exact total number of queues which they own.

Change-Id: Iced54e7d270e389a23db2a19394025710565923d
Implements: blueprint query-queues-with-count
Signed-off-by: wanghao <sxmatch1986@gmail.com>

releasenotes/notes/support-query-queues-with-count-c9c47e508c04ad66.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - Support query queues with filter 'with_count=true' to return the amount of
+    the queues. This will help users to quickly get the exact total number of
+    queues which they own.

zaqarclient/queues/v2/cli.py

@@ -48,9 +48,51 @@ class OldDeleteQueue(cli.OldDeleteQueue):
     pass
 
 
-class ListQueues(cli.ListQueues):
+class ListQueues(command.Lister):
     """List available queues"""
-    pass
+
+    _description = _("List available queues")
+    log = logging.getLogger(__name__ + ".ListQueues")
+
+    def get_parser(self, prog_name):
+        parser = super(ListQueues, self).get_parser(prog_name)
+        parser.add_argument(
+            "--marker",
+            metavar="<queue_id>",
+            help="Queue's paging marker")
+        parser.add_argument(
+            "--limit",
+            metavar="<limit>",
+            help="Page size limit")
+        parser.add_argument(
+            "--detailed",
+            action="store_true",
+            help="If show detailed information of queue")
+        parser.add_argument(
+            "--with_count",
+            action="store_true",
+            help="If show amount information of queue")
+
+        return parser
+
+    def take_action(self, parsed_args):
+        client = _get_client(self, parsed_args)
+        kwargs = {}
+        columns = ["Name"]
+        if parsed_args.marker is not None:
+            kwargs["marker"] = parsed_args.marker
+        if parsed_args.limit is not None:
+            kwargs["limit"] = parsed_args.limit
+        if parsed_args.detailed is not None and parsed_args.detailed:
+            kwargs["detailed"] = parsed_args.detailed
+            columns.extend(["Metadata_Dict", "Href"])
+        if parsed_args.with_count is not None and parsed_args.with_count:
+            kwargs["with_count"] = parsed_args.with_count
+            columns.extend(["Count"])
+
+        data = client.queues(**kwargs)
+        columns = tuple(columns)
+        return (columns, (utils.get_item_properties(s, columns) for s in data))
 
 
 class OldListQueues(cli.OldListQueues):