Ensure carbon_max_metrics, log_max_size and influxdb_max_metrics are …

…ints

graphios.py

@@ -296,6 +296,12 @@ def configure():
     sets up graphios config
     """
     global debug
+    try:
+        cfg["log_max_size"] = int(cfg["log_max_size"])
+    except ValueError:
+        print "log_max_size needs to be a integer"
+        sys.exit(1)
+
     log_handler = logging.handlers.RotatingFileHandler(
         cfg["log_file"], maxBytes=cfg["log_max_size"], backupCount=4,
         # encoding='bz2')

graphios_backends.py

@@ -244,6 +244,12 @@ def __init__(self, cfg):
         except:
             self.carbon_max_metrics = 200
 
+        try:
+            self.carbon_max_metrics = int(self.carbon_max_metrics)
+        except ValueError:
+            self.log.critical("carbon_max_metrics needs to be a integer")
+            sys.exit(1)
+
         try:
             cfg['use_service_desc']
             self.use_service_desc = cfg['use_service_desc']
@@ -494,6 +500,12 @@ def __init__(self, cfg):
         else:
             self.influxdb_max_metrics = 250
 
+        try:
+            self.influxdb_max_metrics = int(self.influxdb_max_metrics)
+        except ValueError:
+            self.log.critical("influxdb_max_metrics needs to be a integer")
+            sys.exit(1)
+
     def build_url(self, server):
         """ Returns a url to specified InfluxDB-server """
         test_port = server.split(':')