Class: VagrantPlugins::ProviderZone::Action::Package

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-zones/action/package.rb

Overview

This is used to package the VM into a box

Instance Method Summary collapse

Constructor Details

#initialize(app, env) ⇒ Package

Returns a new instance of Package.



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# File 'lib/vagrant-zones/action/package.rb', line 12

def initialize(app, env)
  @logger = Log4r::Logger.new('vagrant_zones::action::import')
  @app = app
  @executor = Executor::Exec.new
  @pfexec = if Process.uid.zero?
              ''
            elsif system('sudo -v')
              'sudo'
            else
              'pfexec'
            end
  env['package.output'] ||= 'package.box'
end

Instance Method Details

#assemble_box(boxname, tmp_dir) ⇒ Object 



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# File 'lib/vagrant-zones/action/package.rb', line 132

def assemble_box(boxname, tmp_dir)
  is_linux = `bash -c '[[ "$(uname -a)" =~ "Linux" ]]'`
  Dir.chdir(tmp_dir) do
    files = Dir.glob(File.join('.', '*'))
    tar_command = is_linux ? 'tar -cvzf' : 'tar -cvzEf'
    `#{tar_command} ../#{boxname} #{files.join(' ')}`
  end
end

#call(env) ⇒ Object 



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# File 'lib/vagrant-zones/action/package.rb', line 30

def call(env)
  boxname = env['package.output']
  mpc = env[:machine].provider_config
  files = {}
  raise "#{boxname}: Already exists" if File.exist?(boxname)

  ## Create Snapshot
  FileUtils.mkdir_p("#{Dir.pwd}/_tmp_package")
  datasetpath = "#{mpc.boot['array']}/#{mpc.boot['dataset']}/#{env[:machine].name}"
  datetime = Time.new.strftime('%Y-%m-%d-%H:%M:%S')
  snapshot_create(datasetpath, datetime, env[:ui], mpc)
  snapshot_send(datasetpath, "#{Dir.pwd}/_tmp_package/box.zss", datetime, env[:ui], mpc)

  ## Include User Extra Files
  env['package.include'].each do |file|
    source = Pathname.new(file)
    dest = if source.relative?
             source
           else
             source.basename
           end
    files[file] = dest
  end

  # Verify the mapping
  files.each_key do |from|
    raise Vagrant::Errors::PackageIncludeMissing, file: from unless File.exist?(from)
  end

  files.each do |from, dest|
    include_directory = Pathname.new("#{Dir.pwd}/_tmp_package/")
    to = include_directory.join(dest)
    FileUtils.mkdir_p(to.parent)
    if File.directory?(from)
      FileUtils.cp_r(Dir.glob(from), to.parent, preserve: true)
    else
      FileUtils.cp(from, to, preserve: true)
    end
  end

  ## Create a Vagrantfile or load from Users Defined File
  if env['package.vagrantfile']
    # Use the custom Vagrantfile provided by the user
    custom_vagrantfile = env['package.vagrantfile']
    raise Vagrant::Errors::PackageIncludeMissing, file: custom_vagrantfile unless File.exist?(custom_vagrantfile)

    FileUtils.cp(custom_vagrantfile, "#{Dir.pwd}/_tmp_package/Vagrantfile", preserve: true)
  else
    # Use the default Vagrantfile content
    vagrantfile_content = <<~'CODE'
      require 'yaml'
      require File.expand_path("#{File.dirname(__FILE__)}/core/Hosts.rb")
      settings = YAML::load(File.read("#{File.dirname(__FILE__)}/Hosts.yml"))
      Vagrant.configure("2") do |config|
        Hosts.configure(config, settings)
      end
    CODE
    File.write("#{Dir.pwd}/_tmp_package/Vagrantfile", vagrantfile_content)
  end

  info_content_hash = {
    'boxname' => boxname,
    'Author' => mpc.vagrant_cloud_creator,
    'Vagrant-Zones' => 'This box was built with Vagrant-Zones: https://github.com/STARTcloud/vagrant-zones'
  }
  File.write("#{Dir.pwd}/_tmp_package/info.json", info_content_hash.to_json)

  metadata_content_hash = {
    'provider' => 'zone',
    'architecture' => 'amd64',
    'brand' => mpc.brand,
    'format' => 'zss',
    'url' => "https://app.vagrantup.com/#{mpc.vagrant_cloud_creator}/boxes/#{mpc.boxshortname}"
  }
  metadata_content_hash['kernel'] = mpc.kernel if !mpc.kernel.nil? && mpc.kernel != false
  File.write("#{Dir.pwd}/_tmp_package/metadata.json", metadata_content_hash.to_json)

  ## Create the Box file
  assemble_box(boxname, "#{Dir.pwd}/_tmp_package")
  FileUtils.rm_rf("#{Dir.pwd}/_tmp_package")

  env[:ui].info("Box created, You can now add the box: 'vagrant box add #{boxname} --name newbox'")
  @app.call(env)
end

#execute ⇒ Object 



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# File 'lib/vagrant-zones/action/package.rb', line 26

def execute(...)
  @executor.execute(...)
end

#snapshot_create(datasetpath, datetime, uii, config) ⇒ Object 



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# File 'lib/vagrant-zones/action/package.rb', line 115

def snapshot_create(datasetpath, datetime, uii, config)
  uii.info('Creating a Snapshot of the box.')
  result = execute(true, "#{@pfexec} zfs snapshot -r #{datasetpath}/boot@vagrant_box#{datetime}")
  uii.info("#{@pfexec} zfs snapshot -r #{datasetpath}/boot@vagrant_box#{datetime}") if result.zero? && config.debug
end

#snapshot_delete(datasetpath, uii, datetime) ⇒ Object 



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# File 'lib/vagrant-zones/action/package.rb', line 121

def snapshot_delete(datasetpath, uii, datetime)
  result = execute(true, "#{@pfexec} zfs destroy -r -f #{datasetpath}/boot@vagrant_box#{datetime}")
  uii.info("#{@pfexec} zfs destroy -r -f #{datasetpath}/boot@vagrant_box#{datetime}") if result.zero? && config.debug
end

#snapshot_send(datasetpath, destination, datetime, uii, config) ⇒ Object 



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# File 'lib/vagrant-zones/action/package.rb', line 126

def snapshot_send(datasetpath, destination, datetime, uii, config)
  uii.info('Sending Snapshot to ZFS Send Stream image.')
  result = execute(true, "#{@pfexec} zfs send #{datasetpath}/boot@vagrant_box#{datetime} > #{destination}")
  uii.info("#{@pfexec} zfs send -r #{datasetpath}/boot@vagrant_box#{datetime} > #{destination}") if result.zero? && config.debug
end