scottslowe-learning-tools/docker-swarm/Vagrantfile
Scott S. Lowe a4178a889b Update Docker Swarm+Consul environment
Update learning environment for running a Consul-backed Docker Swarm cluster
2016-09-25 14:02:14 -06:00

110 lines
3.9 KiB
Ruby

# -*- mode: ruby -*-
# vi: set ft=ruby :
# Specify minimum Vagrant version and Vagrant API version
Vagrant.require_version '>= 1.6.0'
VAGRANTFILE_API_VERSION = '2'
# Require 'yaml', 'fileutils', and 'erb' modules
require 'yaml'
require 'fileutils'
require 'erb'
# Look for user-data file to configure/customize CoreOS boxes
# No changes should need to be made to this file
USER_DATA = File.join(File.dirname(__FILE__), 'user-data')
# Read YAML file with VM details (box, CPU, RAM, IP addresses)
# Edit machines.yml to change VM configuration details
machines = YAML.load_file(File.join(File.dirname(__FILE__), 'machines.yml'))
# Build array of IP addresses for Consul cluster
consul_cluster_list = []
machines.each do |machine|
if machine['role'] == 'consul'
consul_cluster_list << "\"#{machine['ip_addr']}\""
end # if machine['role']
end # machines.each
# Build a Consul configuration file from ERB template
template = File.join(File.dirname(__FILE__), 'config.json.erb')
content = ERB.new File.new(template).read
machines.each do |machine|
if machine['role'] == 'consul'
target = File.join(File.dirname(__FILE__), "#{machine['name']}.json")
File.open(target, 'w') { |f| f.write(content.result(binding)) }
end # if machine['role']
end # machines.each
# 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
machines.each do |machine|
# Configure the VMs per details in machines.yml
config.vm.define machine['name'] do |srv|
# Don't check for box updates
srv.vm.box_check_update = false
# Specify the hostname of the VM
srv.vm.hostname = machine['name']
# Specify the Vagrant box to use (use VMware box by default)
srv.vm.box = machine['vmw_box']
# Configure default synced folder (disable by default)
if machine['sync_disabled'] != nil
srv.vm.synced_folder '.', '/vagrant', disabled: machine['sync_disabled']
else
srv.vm.synced_folder '.', '/vagrant', disabled: true
end #if machine['sync_disabled']
# Assign additional private network
if machine['ip_addr'] != nil
srv.vm.network 'private_network', ip: machine['ip_addr']
end # if machine['ip_addr']
# Configure CPU & RAM per settings in machines.yml (Fusion)
srv.vm.provider 'vmware_fusion' do |vmw|
vmw.vmx['memsize'] = machine['ram']
vmw.vmx['numvcpus'] = machine['vcpu']
if machine['nested'] == true
vmw.vmx['vhv.enable'] = 'TRUE'
end #if machine['nested']
end # srv.vm.provider 'vmware_fusion'
# Configure CPU & RAM per settings in machines.yml (VirtualBox)
srv.vm.provider 'virtualbox' do |vb, override|
vb.memory = machine['ram']
vb.cpus = machine['vcpu']
override.vm.box = machine['vb_box']
end # srv.vm.provider 'virtualbox'
# Configure VMs based on CoreOS box
if srv.vm.box == 'coreos-stable'
# Copy user_data file into CoreOS VM
srv.vm.provision 'file', source: "#{USER_DATA}", destination: '/tmp/vagrantfile-user-data'
# Move user_data to correct location to be processed by cloud-init
srv.vm.provision 'shell', inline: 'mv /tmp/vagrantfile-user-data /var/lib/coreos-vagrant/', privileged: true
end # srv.vm.box == 'coreos-stable'
# Configure VMs with the 'consul' role assigned in machines.yml
if machine['role'] == 'consul'
# Copy files into the VM
srv.vm.provision 'file', source: "#{machine['name']}.json", destination: '/home/vagrant/config.json'
srv.vm.provision 'file', source: 'consul.conf', destination: '/home/vagrant/consul.conf'
# Run final provisioning script
srv.vm.provision 'shell', path: 'consul.sh'
end # machine['role'] == 'consul'
end # config.vm.define
end # machines.each
end # Vagrant.configure