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• Munin relation changed

#!/bin/sh

set -ue

ip=`relation-get ip`

if [ -z "$ip" ] ; then
  echo "Remote node must provide IP"
  exit 0
fi

reip="^`echo $ip | sed -e 's,\.,\\.,g'`$"

# Make sure its installed
apt-get -y install munin-node libcache-cache-perl

if grep -q "^allow $reip$" /etc/munin/munin-node.conf ; then
  echo $ip already has access.
else
  echo "# added by $0 `date`" >> /etc/munin/munin-node.conf
  echo allow $reip >> /etc/munin/munin-node.conf
  service munin-node reload
fi

# now tell remote server about our IP
relation-set ip=`ifconfig  | grep 'inet addr:'| grep -v '127.0.0.1' | cut -d: -f2 | awk '{ print $1}'|head -n 1`