Class: VagrantZFS::Action::VM::Destroy

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant_zfs/action/vm/destroy.rb

Instance Method Summary collapse

Constructor Details

#initialize(app, env) ⇒ Destroy

Returns a new instance of Destroy.



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# File 'lib/vagrant_zfs/action/vm/destroy.rb', line 5

def initialize(app, env)
  @logger   = Log4r::Logger.new("vagrant_zfs::action::vm::destroy")
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/vagrant_zfs/action/vm/destroy.rb', line 25

def call(env)
  @env = env
  env[:ui].info I18n.t("vagrant.actions.vm.destroy.destroying")

  cmd = "VBoxManage showvminfo #{env[:vm].uuid}"
  stdout, stderr, status = Open3.capture3(*cmd)
  if status.success? and stderr.empty?
    instance_name = stdout.lines.grep(/^Name:\s*(.+)/){$1}.first
  else
    raise Exception, "Could not find instance name for VM #{env[:vm].uuid}"
  end

  puts "ZPOOL: #{zpool}"
  fs         = "#{zpool}/vagrant_#{env[:vm].config.vm.box}"
  clonename    = "#{fs}/#{instance_name}"
  snapname     = "#{fs}@#{instance_name}"

  env[:vm].driver.delete
  env[:vm].uuid = nil

  VagrantZFS::ZFS.destroy clonename
  VagrantZFS::ZFS.destroy snapname


  @app.call(env)
end

#zpool ⇒ Object 



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# File 'lib/vagrant_zfs/action/vm/destroy.rb', line 10

def zpool
  # Is the zpool specified in the Vagrantfile?
  if @env['global_config'].zfs.zpool
    @env['global_config'].zfs.zpool
  else
    # If we have only one zpool available, go with that.
    zpools = VagrantZFS::ZFS.zpool_list
    if zpools.length == 1
      zpools.first
    else
      raise Exception, "zpool not specified and more than one available."
    end
  end
end