Introduced timeout to post method of HttpClient

We seen cases where grafana container bring-up code would fail,
because of too quick access to the http api. Added 10sec timeout
for the first query of the API.

Change-Id: Ifc95a626d0ab5552a1f26fb167fc3f65791392d7
Signed-off-by: Maciej Skrocki <maciej.skrocki@intel.com>

1 files changed, 14 insertions, 10 deletions

diff --git a/yardstick/common/httpClient.py b/yardstick/common/httpClient.py
index 11c2d752d..54f7be670 100644
--- a/yardstick/common/httpClient.py
+++ b/yardstick/common/httpClient.py
@@ -9,6 +9,7 @@
 from __future__ import absolute_import
 
 import logging
+import time
 
 from oslo_serialization import jsonutils
 import requests
@@ -18,18 +19,21 @@ logger = logging.getLogger(__name__)
 
 class HttpClient(object):
 
-    def post(self, url, data):
+    def post(self, url, data, timeout=0):
         data = jsonutils.dump_as_bytes(data)
         headers = {'Content-Type': 'application/json'}
-        try:
-            response = requests.post(url, data=data, headers=headers)
-            result = response.json()
-            logger.debug('The result is: %s', result)
-
-            return result
-        except Exception as e:
-            logger.debug('Failed: %s', e)
-            raise
+        t_end = time.time() + timeout
+        while True:
+            try:
+                response = requests.post(url, data=data, headers=headers)
+                result = response.json()
+                logger.debug('The result is: %s', result)
+                return result
+            except Exception:
+                if time.time() > t_end:
+                    logger.exception('')
+                    raise
+            time.sleep(1)
 
     def get(self, url):
         response = requests.get(url)