diff options
Diffstat (limited to 'config/unbound/unbound_monitor.sh')
| -rwxr-xr-x | config/unbound/unbound_monitor.sh | 68 |
1 files changed, 48 insertions, 20 deletions
diff --git a/config/unbound/unbound_monitor.sh b/config/unbound/unbound_monitor.sh index 152a308e..91e5a2ed 100755 --- a/config/unbound/unbound_monitor.sh +++ b/config/unbound/unbound_monitor.sh @@ -27,37 +27,65 @@ # POSSIBILITY OF SUCH DAMAGE. # +export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin + set -e LOOP_SLEEP=5 +PIDFILE=/var/run/unbound_monitor.pid if [ -f /var/run/unbound_alarm ]; then rm /var/run/unbound_alarm fi +PID="" +if [ -f "${PIDFILE}" ]; then + PID=`head -n 1 ${PIDFILE}` +fi + +if [ "$1" = "stop" ]; then + if [ -n "${PID}" ] && ps -p ${PID} | grep -q unbound_monitor.sh; then + kill ${PID} + else + pkill -f unbound_monitor.sh + fi + exit 0 +fi + +if [ -n "${PID}" ] && ps -p ${PID} | grep -q unbound_monitor.sh; then + echo "There is another unbound monitor process running" + exit 0 +fi + +echo $$ > ${PIDFILE} + # Sleep 5 seconds on startup not to mangle with existing boot scripts. sleep 5 -while [ /bin/true ]; do - if [ ! -f /var/run/unbound_alarm ]; then - NUM_PROCS=`/bin/pgrep unbound | wc -l | awk '{print $1}'` - if [ $NUM_PROCS -lt 1 ]; then - # Unbound is not running - echo "Unbound has exited." | logger -p daemon.info -i -t Unbound_Alarm - echo "Attempting restart..." | logger -p daemon.info -i -t Unbound_Alarm - /usr/local/etc/rc.d/unbound.sh start - sleep 3 - touch /var/run/unbound_alarm - fi - fi - NUM_PROCS=`/bin/pgrep unbound | wc -l | awk '{print $1}'` - if [ $NUM_PROCS -gt 0 ]; then - if [ -f /var/run/unbound_alarm ]; then - echo "Unbound has resumed." | logger -p daemon.info -i -t Unbound_Alarm - rm /var/run/unbound_alarm - fi - fi - sleep $LOOP_SLEEP +while true; do + if [ ! -f "${PIDFILE}" ]; then + echo $$ > ${PIDFILE} + fi + + if [ ! -f /var/run/unbound_alarm ]; then + NUM_PROCS=`pgrep unbound | wc -l | awk '{print $1}'` + if [ $NUM_PROCS -lt 1 ]; then + # Unbound is not running + echo "Unbound has exited." | logger -p daemon.info -i -t Unbound_Alarm + echo "Attempting restart..." | logger -p daemon.info -i -t Unbound_Alarm + /usr/local/etc/rc.d/unbound.sh start + sleep 3 + touch /var/run/unbound_alarm + fi + fi + NUM_PROCS=`pgrep unbound | wc -l | awk '{print $1}'` + if [ $NUM_PROCS -gt 0 ]; then + if [ -f /var/run/unbound_alarm ]; then + echo "Unbound has resumed." | logger -p daemon.info -i -t Unbound_Alarm + rm /var/run/unbound_alarm + fi + fi + sleep $LOOP_SLEEP done if [ -f /var/run/unbound_alarm ]; then |