Display resource metadata as indented json

displaying as a pretty table wasn't pretty.

Change-Id: Ia25dd7d08b46b6b497f13707430664718f01d1cc
Fixes: bug #1160689

heatclient/v1/resources.py

@@ -13,6 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import json
 from heatclient.common import base
 from heatclient.v1 import stacks
 import heatclient.exc as exc
@@ -67,4 +68,4 @@ class ResourceManager(stacks.StackChildManager):
         resp, body = self.api.json_request('GET',
             '/stacks/%s/resources/%s/metadata' %
             (stack_id, resource_name))
-        return Resource(self, body['metadata'])
+        return body['metadata']

heatclient/v1/shell.py

@@ -291,13 +291,12 @@ def do_resource_metadata(hc, args):
     fields = {'stack_id': args.id,
               'resource_name': args.resource}
     try:
-        resource = hc.resources.metadata(**fields)
+        metadata = hc.resources.metadata(**fields)
     except exc.HTTPNotFound:
         raise exc.CommandError('Stack or resource not found: %s %s' %
             (args.id, args.resource))
     else:
-        formatters = {}
-        utils.print_dict(resource.to_dict(), formatters=formatters)
+        print json.dumps(metadata, indent=2)
 
 
 @utils.arg('id', metavar='<NAME or ID>',