init.d: add try-restart, force reload

http://refspecs.linuxfoundation.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html

diff --git a/system/netdata-init-d.in b/system/netdata-init-d.in
index c317d10211679e46243771e357b1803076b432da..3e82d0d366a359b0ab8bbeaa10410fdc72826019 100755 (executable)
--- a/system/netdata-init-d.in
+++ b/system/netdata-init-d.in
@@ -1,6 +1,12 @@
-#!/bin/bash
+#!/bin/sh
+#
+# netdata      Real-time charts for system monitoring
 # chkconfig: 345 99 01
-# description: startup script
+# description:  Netdata is a daemon that collects data in realtime (per second)
+#               and presents a web site to view and analyze them. The presentation
+#               is also real-time and full of interactive charts that precisely
+#               render all collected values.
+# processname: netdata
 
 # Source functions
 . /etc/rc.d/init.d/functions
@@ -32,6 +38,17 @@ service_stop()
        return $RETVAL
 }
 
+condrestart()
+{
+       if ! service_status > /dev/null; then
+               RETVAL=$1
+               return
+       fi
+
+       service_stop
+       service_start
+}
+
 service_status()
 {
        status -p ${PIDFILE} $DAEMON_PATH/$DAEMON
@@ -41,9 +58,6 @@ case "$1" in
 start)
        service_start
 ;;
-status)
-       service_status
-;;
 stop)
        service_stop
 ;;
@@ -51,7 +65,16 @@ restart)
        service_stop
        service_start
 ;;
+try-restart)
+       condrestart 0
+       ;;
+force-reload)
+       condrestart 7
+;;
+status)
+       service_status
+;;
 *)
-       echo "Usage: $0 {status|start|stop|restart}"
-       exit 1
+       echo "Usage: $0 {start|stop|restart|try-restart|force-reload|status}"
+       exit 3
 esac