graphite_monitor.sh

#!/bin/sh

HOST=$(hostname | awk -F'.' '{print $1}')
IDC=$(hostname | awk -F'.' '{print $3}')

SYSTEM_LOAD=$(awk '{print $1}' /proc/loadavg)
SYSTEM_MEMORY=$(free -m | grep 'buffers/cache' | awk '{print $NF}')
NGINX_CONNECTIONS=$(curl -s http://127.0.0.1/server-status | head -n 1 | awk '{print $NF}')
REDIS_CONNECTIONS=$(/usr/local/redis/bin/redis-cli info | grep connected_clients | awk -F: '{print $NF}' | sed 's/.$//')

TIMESTAMP=$(date +%s)

echo mobile.openbox.$IDC.$HOST.system.load $SYSTEM_LOAD $TIMESTAMP | nc <host> <port>
echo mobile.openbox.$IDC.$HOST.system.memory $SYSTEM_MEMORY $TIMESTAMP | nc <host> <port>
echo mobile.openbox.$IDC.$HOST.nginx.connections $NGINX_CONNECTIONS $TIMESTAMP | nc <host> <port>
echo mobile.openbox.$IDC.$HOST.redis.connections $REDIS_CONNECTIONS $TIMESTAMP | nc <host> <port>