cluster policy attach cannot work

The value of parsed_args.enabled must be changed from string
to bool

Change-Id: Icf4fb6d93db269ebfe828d57736563d20a90686d
Closed-Bug: 1639706

senlinclient/tests/unit/v1/test_cluster.py

@@ -599,7 +599,7 @@ class TestClusterPolicyAttach(TestCluster):
         self.mock_client.cluster_attach_policy.assert_called_with(
             'my_cluster',
             'my_policy',
-            enabled='True')
+            enabled=True)
 
 
 class TestClusterPolicyDetach(TestCluster):

senlinclient/v1/cluster.py

@@ -22,6 +22,7 @@ from openstack import exceptions as sdk_exc
 from osc_lib.command import command
 from osc_lib import exceptions as exc
 from osc_lib import utils
+from oslo_utils import strutils
 import six
 
 from senlinclient.common.i18n import _
@@ -545,7 +546,8 @@ class ClusterPolicyAttach(command.Command):
         senlin_client = self.app.client_manager.clustering
 
         kwargs = {
-            'enabled': parsed_args.enabled,
+            'enabled': strutils.bool_from_string(parsed_args.enabled,
+                                                 strict=True),
         }
 
         resp = senlin_client.cluster_attach_policy(parsed_args.cluster,