Brad Taylor wrote:
I know this is not directly related to Squid but hoping someone could
help me with this script. The script is a check to see if (Squid) http
and https are both working and if not then change the iptables to route
the traffic to the backend server. Also wondering if anyone knows of a
better way of doing this?
#!/bin/sh
while [ 1 ]; do
You are missing a back tick on this line. You need a closing `
TEST_SQUID=`netstat -a | grep -c https
Your test here is a string "" again a numeric. Change to: if [
-n "${TEST_SQUID}" ]; then
if [ "$TEST_SQUID" -gt 0 ]; then
iptables -t nat -A PREROUTING -p tcp -i eth0 -d x.x.102.125
--dport 80 -j LOG
iptables -A FORWARD -p tcp -i eth0 -d x.x.102.122 --dport 80 -j
LOG
iptables -A FORWARD -p tcp -i eth0 -d x.x.102.122 --dport 80 -j
ACCEPT
iptables -t nat -A PREROUTING -p tcp -i eth0 -d x.x.102.125
--dport 80 -j DNAT --to x.x.102.122:80
iptables -A FORWARD -p tcp -i eth0 -d x.x.102.122 --dport 80 -j
ACCEPT
iptables -t nat -A POSTROUTING -o eth0 -p tcp -d x.x.102.122
--dport 80 -j SNAT --to x.x.102.125
fi
TEST_SQUID=`netstat -a | grep -c :http
Your test here is a string "" again a numeric. Change to: if [
-n "${TEST_SQUID}" ]; then
if [ "$TEST_SQUID" -gt 0 ]; then
iptables -t nat -A PREROUTING -p tcp -i eth0 -d x.x.102.125
--dport 80 -j LOG
iptables -A FORWARD -p tcp -i eth0 -d x.x.102.122 --dport 80 -j
LOG
iptables -A FORWARD -p tcp -i eth0 -d x.x.102.122 --dport 80 -j
ACCEPT
iptables -t nat -A PREROUTING -p tcp -i eth0 -d x.x.102.125
--dport 80 -j DNAT --to x.x.102.122:80
iptables -A FORWARD -p tcp -i eth0 -d x.x.102.122 --dport 80 -j
ACCEPT
iptables -t nat -A POSTROUTING -o eth0 -p tcp -d x.x.102.122
--dport 80 -j SNAT --to x.x.102.125
fi
sleep 60
done
The error I get is:
./squid_backup: line 2: [: : integer expression expected
./squid_backup: line 13: -a: command not found
0
./squid_backup: line 14: [: : integer expression expected
Any help would be great.
As to a better way, I let someone guide you. I use redundant Squid
servers with a "pac" file to control failover.
Tim
-----------------------------------------------------------
Timothy E. Neto
Computer Systems Engineer Komatsu Canada Limited
Ph#: 905-625-6292 x265 1725B Sismet Road
Fax: 905-625-6348 Mississauga, Canada
E-Mail: [EMAIL PROTECTED] L4W 1P9
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