Merge pull request #1 from hanzhongzi/master

Solve the situation that sometimes the password is filled in the sentinel configuration file

README.md

@@ -23,4 +23,4 @@ Name | Description | Default
 -H --host | The host sentinel is running on | localhost
 -i --scrape-interval-seconds | How often to update the underlying metrics in seconds | 30
 -m --metrics-port | The port that the metrics exporter will listen on | 9478
-
+-P --password | The password that the metrics exporter will connect in sentinle | " "

sentinel_exporter.py

@@ -10,6 +10,7 @@
 parser.add_argument('-H', '--host', type=str, default="localhost")
 parser.add_argument('-i', '--scrape-interval-seconds', type=int, default=30)
 parser.add_argument('-m', '--metrics-port', type=int, default=9478)
+parser.add_argument('-P', '--password', type=str, default="")
 parser.add_argument('--debug', action="store_true")
 args = parser.parse_args()
 
@@ -48,7 +49,7 @@ def update_metrics(self):
 def main():
     start_http_server(args.metrics_port)
     log.info("Connecting to sentinel on %s:%s", args.host, args.port)
-    redis_client = Redis(host=args.host, port=args.port)
+    redis_client = Redis(host=args.host, port=args.port, password=args.password)
     run_exporter(redis_client, args.scrape_interval_seconds)
 
 def run_exporter(redis_client, sleeptime):