az login --service-principal -u "user" -p "secret" --tenant "tenant"
IPLIST=`az vmss nic list --resource-group "example" --vmss-name "consul_srv" | jq '.[].ipConfigurations[].privateIpAddress' | sed '1,2s/\"$/\",/g'`
IP=`ip a | grep 10.10 | awk '{print $2}' | rev | cut -c 4- | rev | head -1`

cat <<EOF > /etc/consul/server.json
{
	"server": true,
	"datacenter": "dc1",
	"domain": "azure",
	"data_dir": "/var/consul",
	"encrypt": "key",
	"log_level": "INFO",
	"enable_syslog": true,
	"retry_join": [$IPLIST],
	"ui": true,
	"client_addr": "0.0.0.0",
	"ports": {
		"dns": 53
	}
}
EOF
/usr/local/bin/consul agent -config-dir /etc/consul/ -bind=$IP -bootstrap-expect=3 -pid-file=/var/run/consul.pid