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Diffstat (limited to 'config/squid/sqpmon.sh')
| -rw-r--r-- | config/squid/sqpmon.sh | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/config/squid/sqpmon.sh b/config/squid/sqpmon.sh new file mode 100644 index 00000000..6053e8ef --- /dev/null +++ b/config/squid/sqpmon.sh @@ -0,0 +1,75 @@ +#!/bin/sh +# $Id$ */ +# +# sqpmon.sh +# Copyright (C) 2006 Scott Ullrich +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are met: +# +# 1. Redistributions of source code must retain the above copyright notice, +# this list of conditions and the following disclaimer. +# +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, +# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY +# AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, +# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# + +if [ `pgrep -f "sqpmon.sh"|wc -l` -ge 1 ]; then + exit 0 +fi + +set -e + +LOOP_SLEEP=55 + +if [ -f /var/run/squid_alarm ]; then + rm /var/run/squid_alarm +fi + +# Sleep 5 seconds on startup not to mangle with existing boot scripts. +sleep 5 + +# Squid monitor 1.2 +while [ /bin/true ]; do + if [ ! -f /var/run/squid_alarm ]; then + NUM_PROCS=`ps auxw | grep "[s]quid -D"|awk '{print $2}'| wc -l | awk '{ print $1 }'` + if [ $NUM_PROCS -lt 1 ]; then + # squid is down + echo "Squid has exited. Reconfiguring filter." | \ + logger -p daemon.info -i -t Squid_Alarm + echo "Attempting restart..." | logger -p daemon.info -i -t Squid_Alarm + /usr/local/etc/rc.d/squid.sh start + sleep 3 + echo "Reconfiguring filter..." | logger -p daemon.info -i -t Squid_Alarm + /etc/rc.filter_configure + touch /var/run/squid_alarm + fi + fi + NUM_PROCS=`ps auxw | grep "[s]quid -D"|awk '{print $2}'| wc -l | awk '{ print $1 }'` + if [ $NUM_PROCS -gt 0 ]; then + if [ -f /var/run/squid_alarm ]; then + echo "Squid has resumed. Reconfiguring filter." | \ + logger -p daemon.info -i -t Squid_Alarm + /etc/rc.filter_configure + rm /var/run/squid_alarm + fi + fi + sleep $LOOP_SLEEP +done + +if [ -f /var/run/squid_alarm ]; then + rm /var/run/squid_alarm +fi |