Log request-id for each api call

This patch adds support to log 'X-Openstack-Request-Id' for each api call.

Change-Id: Ia17d6c4cc021246316a7317011596e0e2efa37be
Closes-Bug: #1604306

neutronclient/tests/unit/test_cli20.py

@@ -66,11 +66,19 @@ class FakeStdout(object):
         return result
 
 
+class MyRequest(requests.Request):
+    def __init__(self, method=None):
+        self.method = method
+
+
 class MyResp(requests.Response):
-    def __init__(self, status_code, headers=None, reason=None):
+    def __init__(self, status_code, headers=None, reason=None,
+                 request=None, url=None):
         self.status_code = status_code
         self.headers = headers or {}
         self.reason = reason
+        self.request = request or MyRequest()
+        self.url = url
 
 
 class MyApp(object):

neutronclient/v2_0/client.py

@@ -112,6 +112,13 @@ class _RequestIdMixin(object):
             # Extract 'x-openstack-request-id' from headers if
             # response is a Response object.
             request_id = resp.headers.get('x-openstack-request-id')
+            # log request-id for each api call
+            _logger.debug('%(method)s call to neutron for '
+                          '%(url)s used request id '
+                          '%(response_request_id)s',
+                          {'method': resp.request.method,
+                           'url': resp.url,
+                           'response_request_id': request_id})
         else:
             # If resp is of type string.
             request_id = resp

releasenotes/notes/log-request-id-64bef955b8292c18.yaml

@@ -0,0 +1,3 @@
+---
+features:
+  - Added support to log 'x-openstack-request-id' for each api call.