install munin node

install-munin-node

#!/bin/bash
usage() {
	cat <<-'END' >&2
		usage: install-munin-node.sh HOST

		sets FQDN on HOST to that hosts $HOSTNAME,
		installs munin-node, sets the configuration to allow
		connections from all 4tcp hosts, registers itself
		with the master at munin-master
END
	exit
}
case $# in
	1)
		ssh -t -t $1 <<-'END'
		sudo ed -s /etc/hosts <<< "$(echo -e "2i\n127.0.0.1 $HOSTNAME localhost\n.\nw\nq\n")"
		sudo apt-get -y install munin-node
		sudo ed -s /etc/munin/munin-node.conf <<< "$(echo -e "g/^allow/d\na\nallow ^\d+\.\d+\.\d+\.\d+$\n.\nw\nq\n")"
		sudo killall munin-node
		echo -e "$(hostname --fqdn)" | nc munin-master 4747
		exit
		END
		;;
	*)
		usage
		;;
esac