Vagrantfile

gistfile1.txt

# -*- mode: ruby -*-
# vi: set ft=ruby :
# This is a Vagrantfile to automatically provision a local BCPC cluster.

require 'openssl' # used to validate CA certificates
require 'uri' # used to parse the local mirror if one is given

Vagrant.require_version ">= 1.7.0"
ENV['VAGRANT_DEFAULT_PROVIDER'] = 'virtualbox'

# if being run via BOOT_GO.sh, ENV['REPO_ROOT'] will be the root of the repo;
# if it is not set, set it ourselves
ENV['REPO_ROOT'] ||= %x{git rev-parse --show-toplevel}.strip

# pull in the bootstrap config defaults and overrides (even though these would already
# be set by BOOT_GO.sh, do it again here so that Vagrant always has access to all
# configuration variables)
def extract_and_export_envvar(line)
  matches = line.match(/^\s*(?!#)(export |)(?<name>.+)=(?<value>.+)$/)
  unless matches.nil?
    name, value = matches[:name], matches[:value]
    # this blob interpolates existing environment variables in
    interpolated_value = value.dup
    envvars_to_interpolate = interpolated_value.scan /\$\w+/
    envvars_to_interpolate.flatten.each {|v| interpolated_value.gsub!(v, ENV[v.tr('$', '')])}
    explanation = (ENV[name] ? "Overriding " : "Setting ") + "#{name} = #{interpolated_value}"
    explanation << " (originally #{value})" if interpolated_value != value
    # puts explanation
    ENV[name] = interpolated_value
  end
end

# list any package names to be automatically removed here
$packages_to_remove = []

# if proxies are provided, configure them before configuring any local mirror override
# RUN THIS SCRIPT WITH sudo AND privileged = false so that $HOME is set to the
# value of the non-root user
$proxy_configuration_script = <<-EOH
  sudo touch /etc/apt/apt.conf
  touch $HOME/proxy_config.sh
EOH

# this script tests proxy servers from inside the bootstrap node
$testing_proxy_servers_script = <<-EOH
  . $HOME/proxy_config.sh
  FAILED=0
  HTTP_PROXY_TEST=$(curl http://www.google.com 2>&1)
  if [[ $? != 0 ]]; then
    echo "HTTP proxy test failed, check HTTP proxy configuration:"
    echo -e "$HTTP_PROXY_TEST"
    FAILED=1
  fi
  HTTPS_PROXY_TEST=$(curl https://github.com 2>&1)
  if [[ $? != 0 ]]; then
    echo -e "HTTPS proxy test failed, check HTTPS proxy configuration and SSL certificates:"
    echo -e "$HTTPS_PROXY_TEST"
    FAILED=1
  fi
  exit $FAILED
EOH

# compute the repository configuration script
$repos_script = <<-EOH
  #!/bin/bash
  hash -r
  install -d -m0755 -g adm /var/log/vagrant
  exec &>>/var/log/vagrant/provision.log
  date --rfc-3339=s
EOH

# try to apt-get update immediately so that the bootstrap does not wander along for a while
# and waste everyone's time in case our repo configuration set above is broken
$repos_script << <<-EOH
  apt-get update
EOH
# END repository configuration script

# since these boxes do not come with swap, this script will add a swap file on disk
# (repartionining /dev/sda would be a dreadful chore)
$add_swap_script = <<-EOH
  #!/bin/bash
  fallocate -l 8192M /swap
  chmod 600 /swap
  mkswap /swap
  swapon /swap
  echo '/swap none swap defaults 0 0' | tee -a /etc/fstab
EOH

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

  vms_to_build = ['lxchost']

  vms_to_build.each_with_index do |vm, idx|
    config.vm.synched_folder ".", "/vagrant", disabled: true
    config.vm.define vm do |m|
      bootstrap_domain = (ENV['BCPC_HYPERVISOR_DOMAIN'] or "bcpc.example.com")
      m.vm.hostname = "lxchost.#{bootstrap_domain}"
      m.vm.network :private_network, ip: "172.16.40.2", netmask: "255.255.255.0", adapter_ip: "172.16.40.1"

      # fix no-tty error
      m.vm.provision "fix-no-tty", type: "shell" do |s|
        s.privileged = false
        s.inline = "sudo sed -i '/tty/!s/mesg n/tty -s \\&\\& mesg n/' /root/.profile"
      end

#      # set up repositories
#      m.vm.provision "configure-repositories", type: "shell" do |s|
#        s.inline = $repos_script
#      end
#
#      # clean up some packages installed in this image by default
#      m.vm.provision "clean-up-unnecessary-packages", type: "shell" do |s|
#        s.inline = "apt-get remove -y #{$packages_to_remove.join(' ')}"
#      end if $packages_to_remove.length > 0

      # add swap space
      m.vm.provision "add-swap-space", type: "shell" do |s|
        s.inline = $add_swap_script
      end

      m.vm.box = "trusty64"
      m.vm.box_url = "#{ENV['BOOTSTRAP_CACHE_DIR']}/trusty-server-cloudimg-amd64-vagrant-disk1.box"

      memory = ( ENV["CLUSTER_VM_MEM"] or "8192" )
      cpus = ( ENV["CLUSTER_VM_CPUS"] or "2" )
      disk_size = ( ENV["CLUSTER_VM_DRIVE_SIZE"] or "65536" )

      m.vm.provider :virtualbox do |vb|
        vb.name = "lxchost"
        vb.memory = memory
        vb.cpus = cpus

        vb.customize ["modifyvm", :id, "--nictype2", "82543GC"]
        vb.customize ["modifyvm", :id, "--vram", "16"]
        vb.customize ["modifyvm", :id, "--largepages", "on"]
        vb.customize ["modifyvm", :id, "--nestedpaging", "on"]
        vb.customize ["modifyvm", :id, "--vtxvpid", "on"]
        vb.customize ["modifyvm", :id, "--hwvirtex", "on"]
        vb.customize ["modifyvm", :id, "--ioapic", "on"]
        vb.customize ["modifyvm", :id, "--uart1", "0x3F8", "4"]
        vb.customize ["modifyvm", :id, "--uart2", "0x2F8", "3"]
        vb.customize ["modifyvm", :id, "--uartmode1", "disconnected"]
        vb.customize ["modifyvm", :id, "--uartmode2", "disconnected"]

        unless idx == 0
          # this is an unpleasing hack to locate the VM on disk, so that additional disks can be stored with it
          # this assumes that all VMs will be going into the default VirtualBox folder
          begin
            default_vm_config_file = %x[VBoxManage list systemproperties | grep 'Default machine folder']
            default_vm_loc = default_vm_config_file.match(/^Default machine folder:\s+(.+)$/)[1]
            vm_dir = File.join(default_vm_loc, vm)
          rescue
            fail "Unable to locate VM #{vm} on disk, terminating"
                      end

          ['b'].each_with_index do |disk, disk_idx|
            disk_file = File.join(vm_dir, "#{vm}-#{disk}.vdi")
            unless File.exist?(disk_file)
              vb.customize ["createhd", "--filename", disk_file, "--size", disk_size]
              vb.customize ["storageattach", :id, "--storagectl", "SATAController", "--device", "0", "--port", "#{disk_idx+1}", "--type", "hdd", "--medium", disk_file]
            end # File.exist
          end
        end # if (1..3).include? idx
      end # machine.vm.provider :virtualbox do |vb|
    end # config.vm.define vm do |machine|
  end # $vms_to_build.each_with_index
end # Vagrant.configure("2") do |config|