Collectd script for squid

squid.bash

# Steps for turning on squid monitoring (until I have an rpm)

cat > /etc/collectd/conf/squid << EOF
LoadPlugin exec
<Plugin exec>
        Exec deploy "/var/lib/releng/monitoring/squid"
</Plugin>
EOF

mkdir -p /var/lib/releng/monitoring

cat > /var/lib/releng/monitoring/squid << EOF
#!/bin/sh

INTERVAL=${COLLECTD_INTERVAL:-10}
HOSTNAME=`</etc/rightscale.d/booted`
while sleep $INTERVAL; do
squidclient -p 80 cache_object://localhost/counters | awk -v interval=${INTERVAL} -v host=${HOSTNAME} -F ' = ' '/client_http..*/ { gsub("\\.", "_", $1); print "PUTVAL", host"/squid/counter-"$1, "interval="interval, "N:"$2 }'
done
EOF

chmod a+x /var/lib/releng/monitoring/squid

/etc/init.d/collectd restart