Fix 'action' call on cluster/node objects

The recent migration to keystoneauth1 in SDK has created problems more
than just a single problem. This patch fixes the 'action' calls.

Change-Id: I8b16a860a5fe4db84c31158a2e673cfaaa2707a6
Closes-Bug: #1520153
Related-Bug: #1519192

senlinclient/v1/models.py

@@ -282,8 +282,8 @@ class Cluster(resource.Resource):
 
     def action(self, session, body):
         url = utils.urljoin(self.base_path, self.id, 'action')
-        resp = session.put(url, service=self.service, json=body).body
-        return resp
+        resp = session.put(url, endpoint_filter=self.service, json=body)
+        return resp.json()
 
     def add_nodes(self, session, nodes):
         body = {
@@ -504,8 +504,8 @@ class Node(resource.Resource):
 
     def action(self, session, body):
         url = utils.urljoin(self.base_path, self.id, 'action')
-        resp = session.put(url, service=self.service, json=body).body
-        return resp
+        resp = session.put(url, endpoint_filter=self.service, json=body)
+        return resp.json()
 
     def join(self, session, cluster_id):
         body = {