#!/bin/bash
# Hashicorp Consul bootstrap script
# Params:
#   server       : if present, bootstraps a server
#   bind         : bind interface address
#   server-ip    : server ip address

# create directory if doesn't exist and set permissions
mkdir -p /opt/consul/{config,data} && chmod 700 /opt/consul

# parameter setup
consulopts="-config-dir=/opt/consul/config -data-dir=/opt/consul/data"
consultype="client"

# read parameters
while [[ "$#" -gt 0 ]]
do
  case $1 in
    -server)
      consulopts+="-server "
      consultype="server"
      ;;
    -bind)
      consulopts+="-bind=$2 "
      ;;
    -server-ip)
      consulopts+="-retry-join=$2 "
      ;;
  esac
  shift
done

printf "initializing consul $consultype with following options: \n%s\n" "$consulopts"

consul=$(which consul)
$consul agent $consulopts