consul_config:
  type: OS::Heat::SoftwareConfig
  properties:
    group: script
    config: |
      #!/bin/bash -ex
      apt-get update
      apt-get -y install unzip
      wget https://dl.bintray.com/mitchellh/consul/0.5.0_linux_amd64.zip
      unzip 0.5.0_linux_amd64.zip
      rm 0.5.0_linux_amd64.zip
      mv consul /usr/local/bin/
      mv consul.conf /etc/init/
      mkdir /var/consul
      useradd -M -d /var/consul -r -s /usr/bin/nologin consul
      chown -R consul:consul /var/consul
      mkdir -p /etc/consul.d/server
      cat > /etc/consul.d/server/config.json <<EOF
      {
      "bootstrap_expect": 3,
      "server": true,
      "datacenter": "dc1",
      "data_dir": "/var/consul",
      "log_level": "INFO",
      "enable_syslog": false,
      "retry_join": ["192.168.1.101", "192.168.1.102", "192.168.1.103"],
      "client_addr": "0.0.0.0"
      }
      EOF
      cat > /etc/init/consul.conf <<EOF
      description "Consul server process"

      start on runlevel [2345]
      stop on runlevel [!2345]

      respawn

      script
        if [ -f "/etc/service/consul" ]; then
          . /etc/service/consul
        fi

      export GOMAXPROCS=`nproc`

      exec /usr/local/bin/consul agent \
        -config-dir="/etc/consul.d/server" \
        \${CONSUL_FLAGS} \
        >>/var/log/consul.log 2>&1
      end script
      EOF