Added reload-config command

Change-Id: I9ef4b8095f4f5e795f4700ef6b6f0053c6a8e194

surveilclient/v1_0/client.py

@@ -28,3 +28,11 @@ class Client(object):
         self.http_client = http.HTTPClient(endpoint)
         self.hosts = hosts.HostsManager(self.http_client)
         self.services = services.ServicesManager(self.http_client)
+
+    def reload_config(self):
+        resp, body = self.http_client.json_request(
+            '/reload_config',
+            'POST',
+            body=''  # Must send empty body
+        )
+        return body

surveilclient/v1_0/shell.py

@@ -55,3 +55,8 @@ def do_service_list(sc, args):
             'contact_groups': lambda x: x['contact_groups'],
         }
         utils.print_list(services, cols, formatters=formatters)
+
+
+def do_reload_config(sc, args):
+    """Trigger a config reload."""
+    print (sc.reload_config()['message'])