Consul Bootstrap on CoreOS

bootstrap-consul.sh

#!/bin/bash

# From https://gist.github.com/philips/56fa3f5dae9060fbd100

source /etc/environment
name=$(cat /etc/machine-id)
 
if [ ! -f /opt/consul ]; then
        mkdir /opt
        mkdir /var/lib/consul
	cd /tmp
        wget https://dl.bintray.com/mitchellh/consul/0.4.0_linux_amd64.zip
	unzip 0.4.0_linux_amd64.zip
	mv consul /opt/consul
        chmod +x /opt/consul
        wget https://gist.githubusercontent.com/bluk/76911335faf4008c18ed/raw/2169ad1b886e929802387229bd3159a742ae7c69/consul-config.json
        mv consul-config.json /opt/consul-config.json
fi
 
FLAGS="-help "
 
if etcdctl mk /consul.io/bootstrap/started true; then
        flags="${flags} -bootstrap"
else
        echo "This cluster has already been bootstrapped"
fi
 
etcdctl set /consul.io/bootstrap/machines/${name} ${COREOS_PRIVATE_IPV4}
 
flags=$(etcdctl ls /consul.io/bootstrap/machines | while read line; do
        ip=$(etcdctl get ${line})
        echo ${flags} -join ${ip}
done)

flags="${flags} -config-file /opt/consul-config.json"
 
echo ${flags}
 
/opt/consul agent -data-dir /var/lib/consul -server ${flags}