Install salt master and two minions w/ Vagrant

Vagrantfile

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

# Install landrush if it's not installed. This bash script is saved
# into a Ruby var. Landrush allows the nodes to reference each other
# by hostname.
check_landrush = <<CHECK_LANDRUSH
#!/bin/bash

plugins="$(vagrant plugin list)"
if [ -z "$(echo \"$plugins\" | grep landrush)" ]; then 
    echo "Installing the landrush vagrant plugin"
    vagrant plugin install landrush
fi 
CHECK_LANDRUSH

# Install the salt-master. Checks for binary before installing so it's
# idempotent
check_salt_master = <<CHECK_SALT_MASTER
#!/bin/bash

if [ -z "$(which salt)" ]; then 
    echo "##### Disabling the firewawll #####"
    systemctl stop firewalld
    systemctl disable firewalld
    echo "##### Installing salt-master #####"
    curl -L https://bootstrap.saltstack.com | sudo sh -s -- -MN
    echo "##### Enabling Salt #####"
    systemctl start salt-master
    systemctl enable salt-master
fi
CHECK_SALT_MASTER

# Install the salt-minion. Checks for binary before installing so it's
# idempotent
check_salt_minion = <<CHECK_SALT_MINION
#!/bin/bash

if [ -z "$(which salt-call)" ]; then
    echo "##### Disabling the firewawll #####"
    systemctl stop firewalld
    systemctl disable firewalld
    echo "##### Installing salt-minion #####"
    curl -L https://bootstrap.saltstack.com | sudo sh
    echo "##### Enabling Salt #####"
    systemctl start salt-minion
    systemctl enable salt-minion
fi
CHECK_SALT_MINION

# Only install landrush if the vagrant command is vagrant up
if ARGV.include? "up"
  # Use system method so we can see the output
  system "#{check_landrush}"
end

Vagrant.configure(2) do |config|
    
  config.vm.define "master" do |master|
    master.vm.box = "jayunit100/centos7"
    master.landrush.enabled = true
    master.vm.hostname = "salt.vagrant.dev"
    master.vm.network "private_network", type: "dhcp"
    master.vm.provider "virtualbox" do |v|
      v.memory = 1024
    end
    master.vm.provision "shell", inline: "#{check_salt_master}"
  end 

  config.vm.define "minion1" do |minion1|
    minion1.vm.box = "jayunit100/centos7"
    minion1.landrush.enabled = true
    minion1.vm.hostname = "minion1.vagrant.dev"
    minion1.vm.network "private_network", type: "dhcp"
    minion1.vm.provider "virtualbox" do |v|
      v.memory = 512
    end
    minion1.vm.provision "shell", inline: "#{check_salt_minion}"
  end

  config.vm.define "minion2" do |minion2|
    minion2.vm.box = "jayunit100/centos7"
    minion2.landrush.enabled = true
    minion2.vm.hostname = "minion2.vagrant.dev"
    minion2.vm.network "private_network", type: "dhcp" 
    minion2.vm.provider "virtualbox" do |v|
      v.memory = 512
    end
    minion2.vm.provision "shell", inline: "#{check_salt_minion}"
  end

end