prometheus: start/stop correctly

prometheusd.sh

@@ -5,13 +5,13 @@ pid=/tmp/prometheus.pid
 
 case $1 in
   start) 
-    rm -f ${pid}
     daemonize -c /tmp -p ${pid} -l ${pid} -u nobody \
+      /usr/local/bin/syslogize \
       /usr/bin/nginx-prometheus-exporter -nginx.scrape-uri http://127.0.0.1:8080/stub_status
 
     ;;
   stop)
-    cat /tmp/prometheus.pid | xargs -r kill
-
+    test ! -f ${pid} || cat ${pid} | xargs -r kill
+    rm -f ${pid}
     ;;
 esac