rootfs: improve snmpd's init script

Use start-stop-daemon to start/stop snmpd daemon.
Change name of init script from snmp to snmpd. Also rename link from S80snmp to
S80snmpd. Rename and update snmpd config for monit.

Distinguish between start-stop-daemon return value 0, 1 and the rest.

Signed-off-by: Adam Wujek <adam.wujek@cern.ch>

userspace/rootfs_override/etc/init.d/snmp → userspace/rootfs_override/etc/init.d/snmpd

@@ -16,18 +16,31 @@ start_counter() {
 }
 
 start() {
+    echo -n "Starting snmpd daemon: "
     # Log to syslog at daemon level. And log source address (-a)
-    snmpd -Lsd -p $SNMP_PID -a -c $SNMP_CONF
-    start_counter
+    start-stop-daemon -q -p $SNMP_PID -S \
+		--exec /usr/sbin/snmpd -- -Lsd -p $SNMP_PID -a -c $SNMP_CONF
+    ret=$?
+    if [ $ret -eq 0 ]; then
+	start_counter
+	echo "OK"
+    elif [ $ret -eq 1 ]; then
+	echo "Failed (already running?)"
+    else
+	echo "Failed"
+    fi
 }
 
 stop() {
-    if pidof snmpd > /dev/null; then
-	echo -n "Stopping snmpd: "
-	start-stop-daemon -K -q -p $SNMP_PID
+    echo -n "Stopping snmpd: "
+    start-stop-daemon -K -q -p $SNMP_PID
+    if [ $? -eq 0 ]; then
 	echo "OK"
+    else
+	echo "Failed"
     fi
 }
+
 restart() {
     stop
     start

userspace/rootfs_override/etc/monit.d/snmp.conf → userspace/rootfs_override/etc/monit.d/snmpd.conf

  check process snmpd with pidfile /var/run/snmpd.pid
-   start program = "/etc/init.d/snmp start"
-   stop program = "/etc/init.d/snmp stop"
+   start program = "/etc/init.d/snmpd start"
+   stop program = "/etc/init.d/snmpd stop"
    if 5 restart within 10 cycles then exec "/sbin/reboot"

userspace/rootfs_override/etc/rcS/S80snmp

-../init.d/snmp
\ No newline at end of file

userspace/rootfs_override/etc/rcS/S80snmpd

+../init.d/snmpd
\ No newline at end of file