Fix initialization error and update var name

homeassistant/components/influxdb.py

@@ -17,7 +17,7 @@ from homeassistant.components.sun import (STATE_ABOVE_HORIZON,
 
 _LOGGER = logging.getLogger(__name__)
 
-DOMAIN = "influx"
+DOMAIN = "influxdb"
 DEPENDENCIES = []
 
 DEFAULT_HOST = 'localhost'
@@ -45,21 +45,21 @@ def setup(hass, config):
 
     host = conf[CONF_HOST]
     port = util.convert(conf.get(CONF_PORT), int, DEFAULT_PORT)
-    dbname = util.convert(conf.get(CONF_DB_NAME), str, DEFAULT_DATABASE)
+    database = util.convert(conf.get(CONF_DB_NAME), str, DEFAULT_DATABASE)
     username = util.convert(conf.get(CONF_USERNAME), str)
     password = util.convert(conf.get(CONF_PASSWORD), str)
 
     try:
         influx = InfluxDBClient(host=host, port=port, username=username,
-                                password=password, database=dbname)
+                                password=password, database=database)
         databases = [i['name'] for i in influx.get_list_database()]
     except exceptions.InfluxDBClientError:
         _LOGGER.error("Database host is not accessible. "
                       "Please check your entries in the configuration file.")
         return False
 
-    if dbname not in databases:
-        _LOGGER.error("Database %s doesn't exist", dbname)
+    if database not in databases:
+        _LOGGER.error("Database %s doesn't exist", database)
         return False
 
     def influx_event_listener(event):
@@ -97,7 +97,7 @@ def setup(hass, config):
         try:
             influx.write_points(json_body)
         except exceptions.InfluxDBClientError:
-            _LOGGER.exception('Error saving event to Influx')
+            _LOGGER.exception('Error saving event to InfluxDB')
 
     hass.bus.listen(EVENT_STATE_CHANGED, influx_event_listener)