[focal] Fix requests.body attribute deprecation

This PS updates calls to body attribute of requests module with new text
attribute.

Change-Id: I8f69d18a0ac5a0065072642a58364584392bde37

promenade/control/api.py

@@ -72,7 +72,7 @@ class VersionsResource(BaseResource):
     """
 
     def on_get(self, req, resp):
-        resp.body = self.to_json(
+        resp.text = self.to_json(
             {'v1.0': {
                 'path': '/api/v1.0',
                 'status': 'stable'

promenade/control/join_scripts.py

@@ -89,7 +89,7 @@ class JoinScriptsResource(BaseResource):
         builder = Builder(config)
         script = builder.build_node_script(hostname)
 
-        resp.body = script
+        resp.text = script
         resp.content_type = 'text/x-shellscript'
         resp.status = falcon.HTTP_200
 

promenade/control/node_labels.py

@@ -40,5 +40,5 @@ class NodeLabelsResource(BaseResource):
         kubeclient = KubeClient()
         response = kubeclient.update_node_labels(node_name, json_data)
 
-        resp.body = response
+        resp.text = response
         resp.status = falcon.HTTP_200

promenade/exceptions.py

@@ -105,7 +105,7 @@ def format_error_resp(req,
         'retry': retry
     }
 
-    resp.body = json.dumps(error_response, default=str)
+    resp.text = json.dumps(error_response, default=str)
     resp.content_type = 'application/json'
     resp.status = status_code
 

promenade/utils/validation_message.py

@@ -78,4 +78,4 @@ class ValidationMessage(Message):
     def update_response(self, resp):
         output = self.get_output()
         resp.status = output['code']
-        resp.body = json.dumps(output)
+        resp.text = json.dumps(output)