Create multiple machines in a single Vagrantfile and ensure that we can ssh into them without using vagrant.

MultiMachine-Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :

# create multiple machines in a single Vagrantfile and ensure that we can ssh into them without using vagrant.

Vagrant.configure("2") do |config|

  config.vm.box = "centos/7"
  config.ssh.insert_key = false
  config.ssh.private_key_path = ["~/.vagrant.d/insecure_private_key", "~/.ssh/terraform"]
  config.vm.provision "file", source: "~/.ssh/terraform.pub", destination: "~/.ssh/authorized_kets"

  zookeeper_base = 100
  broker_base = 110

  # Bring up VMs for Zookeeper ensemble
  (1..3).each do |machine_id|
    config.vm.define "zookeeper-#{machine_id}" do |machine|
      machine.vm.hostname = "zookeeper-#{machine_id}"
      machine.vm.network "private_network", ip: "192.168.77.#{zookeeper_base + machine_id}"
    end
  end

  # Bring up VMs for the broker
  (1..3).each do |machine_id|
    config.vm.define "broker-#{machine_id}" do |machine|
      machine.vm.hostname = "broker-#{machine_id}"
      machine.vm.network "private_network", ip: "192.168.77.#{broker_base + machine_id}"
    end
  end

end