server-monitoring.sh

#!/bin/bash

host=$(hostname --short)


catbon_host=localhost
catbon_port=2003

echo "send metric of '$host' to $catbon_host:$catbon_port"

metric_name="sample"

send()
{
#	echo "$1"
	echo "$1" | nc $catbon_host $catbon_port -w1
}

while :
do
	time=$(date +%s)

	avg1=$(awk '{ print $1 }' < /proc/loadavg)
	send "stats.$metric_name.$host.load1 $avg1 $time"

	mem=$(free |
		grep --line-buffered Mem: |
		awk --assign=host=${host} '{ print $3 }')
	send "stats.$metric_name.$host.memory.used $mem $time"

	sleep 2s
done

ssh.config

# ssh target -N
Host target
	# 					remote側port		転送先port(localから見える場所)
	RemoteForward		2003			graphite.intra.example.com:2003