Add initial support for Consul environment in Vagrant

Add initial set of files to support building a Consul cluster in
Vagrant.

consul/Vagrantfile

@@ -0,0 +1,47 @@
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+# Specify Vagrant version and Vagrant API version
+Vagrant.require_version ">= 1.6.0"
+VAGRANTFILE_API_VERSION = "2"
+
+# Require 'yaml' and 'fileutils' modules
+require 'yaml'
+
+# Read YAML file with VM details (box, CPU, RAM, IP addresses)
+# Be sure to edit servers.yml to provide correct IP addresses
+servers = YAML.load_file('servers.yml')
+
+# Define the location of the Consul configuration files
+consul_config_dir = "/etc/consul.d/"
+
+# Create and configure the VMs
+Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
+
+  # Always use Vagrant's default insecure key
+  config.ssh.insert_key = false
+
+  # Iterate through entries in YAML file to create VMs
+  servers.each do |servers|
+    config.vm.define servers["name"] do |srv|
+      # Don't check for box updates
+      srv.vm.box_check_update = false
+      srv.vm.hostname = servers["name"]
+      srv.vm.box = servers["box"]
+      # Assign an additional static private network
+      srv.vm.network "private_network", ip: servers["priv_ip"]
+      # Specify default synced folder; requires VMware Tools
+      srv.vm.synced_folder ".", "/vagrant"
+      # Provision consul to the VMs
+      srv.vm.provision "shell", path: "consul.sh"
+      # Copy in the Consul configuration files
+      srv.vm.provision "file", source: "bootstrap.json", destination: "/etc/consul.d/bootstrap/config.json"
+      srv.vm.provision "file", source: "server.json", destination: "/etc/consul.d/server/config.json"
+      # Configure VMs with RAM and CPUs per settings in servers.yml
+      srv.vm.provider :vmware_fusion do |vmw|
+        vmw.vmx["memsize"] = servers["ram"]
+        vmw.vmx["numvcpus"] = servers["vcpu"]
+      end
+    end
+  end
+end

consul/Vagrantfile-single-box

@@ -0,0 +1,37 @@
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+# Specify Vagrant version and Vagrant API version
+Vagrant.require_version ">= 1.6.0"
+VAGRANTFILE_API_VERSION = "2"
+
+# Create and configure the VMs
+Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
+
+  # Always use Vagrant's default insecure key
+  config.ssh.insert_key = false
+
+  # Use an Ubuntu 14.04 x64 base box created for the vmware_fusion provider
+  config.vm.box = "slowe/ubuntu-trusty-x64"
+
+  # Assign a static IP address to the private network
+  config.vm.network "private_network", ip: "192.168.1.101"
+
+  # Disable automatic box update checking
+  config.vm.box_check_update = false
+
+  # Disable default shared folder
+  config.vm.synced_folder ".", "/vagrant", disabled: true
+
+  # Configure the VM's RAM and vCPUs
+  config.vm.provider :vmware_fusion do |vmw|
+    vmw.vmx["memsize"] = "512"
+    vmw.vmx["numvcpus"] = "1"
+  end
+
+  # Provision and configure the VM
+  # config.vm.provision "shell", inline: <<-SHELL
+  #   sudo apt-get update
+  #   sudo apt-get install -y apache2
+  # SHELL
+end

consul/bootstrap.json

@@ -0,0 +1,8 @@
+{
+	"bootstrap": true,
+	"server": true,
+	"datacenter": "dc1",
+	"data_dir": "/tmp",
+	"log_level": "INFO",
+	"enable_syslog": true
+}

consul/consul.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+# Update list of packages
+sudo apt-get update
+
+# Install unzip package, needed to decompress Consul download
+sudo apt-get -y install unzip
+
+# Get Consul download
+wget https://dl.bintray.com/mitchellh/consul/0.4.1_linux_amd64.zip
+
+# Decompress and remove Consul download
+unzip 0.4.1_linux_amd64.zip
+rm 0.4.1_linux_amd64.zip
+
+# Move Consul binary to location in path
+sudo mv consul /usr/local/bin/
+
+# Create directories needed by Consul
+sudo mkdir -p /etc/consul.d/{bootstrap,server}

consul/server.json

@@ -0,0 +1,9 @@
+{
+	"bootstrap": false,
+	"server": true,
+	"datacenter": "dc1",
+	"data_dir": "/tmp",
+	"log_level": "INFO",
+	"enable_syslog": true,
+	"start_join": ["192.168.1.101", "192.168.1.102", "192.168.1.103"]
+}

consul/servers.yml

@@ -0,0 +1,19 @@
+---
+- name: consul-01
+  box: slowe/ubuntu-trusty-x64
+  ram: 512
+  vcpu: 1
+  priv_ip: 192.168.1.101
+  script: consul-01.sh
+- name: consul-02
+  box: slowe/ubuntu-trusty-x64
+  ram: 512
+  vcpu: 1
+  priv_ip: 192.168.1.102
+  script: consul-02.sh
+- name: consul-03
+  box: slowe/ubuntu-trusty-x64
+  ram: 512
+  vcpu: 1
+  priv_ip: 192.168.1.103
+  script: consul-03.sh