Merge pull request #3 from kirichkov/catch-network-exception

Catch network exceptions and return None instead of -1000

connection_request.py

@@ -54,9 +54,13 @@ def execute(self, template, value):
             warnings.filterwarnings("ignore", category=InsecureRequestWarning)
             with requests.sessions.Session() as session:
                 self.logger.info(self._params)
-                resp = session.request(**self._params)
-                self.logger.info("Command executed with code: {}".format(resp.status_code))
-
+                try:
+                    resp = session.request(**self._params)
+                    self.logger.info("Command executed with code: {}".format(resp.status_code))
+                except (requests.exceptions.ConnectionError, OSError):
+                    # OSError is returned when there is no route to the host
+                    resp = None
+
         if resp is not None and resp.ok:
             try:
                 j = resp.json()

properties.py

@@ -286,7 +286,7 @@ def value(self):
         try:
             f = float(self._value)
         except:
-            f = -1000 
+            f = None
         return f
 
     @property