Class: VagrantPlugins::Parallels::Action::PrepareCloneSnapshot

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-parallels/action/prepare_clone_snapshot.rb

Constant Summary collapse

@@lock = 
Mutex.new

Instance Method Summary collapse

Constructor Details

#initialize(app, env) ⇒ PrepareCloneSnapshot

Returns a new instance of PrepareCloneSnapshot.



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# File 'lib/vagrant-parallels/action/prepare_clone_snapshot.rb', line 11

def initialize(app, env)
  @app = app
  @logger = Log4r::Logger.new('vagrant_parallels::action::prepare_clone_snapshot')
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/vagrant-parallels/action/prepare_clone_snapshot.rb', line 16

def call(env)
  if !env[:clone_id]
    @logger.info('No source VM for cloning, skip snapshot preparing')
    return @app.call(env)
  end

  if Util::Common::is_macvm(env[:machine])
    #Ignore, since macvms doesn't support snapshot creation
    @logger.info('Snapshot creation is not supported yet for macOS ARM Guests, skip snapshot preparing')
    return @app.call(env)
  end

  # If we're not doing a linked clone, snapshots don't matter
  if !env[:machine].provider_config.linked_clone
    return @app.call(env)
  end

  # We lock so that we don't snapshot in parallel
  @@lock.synchronize do
    lock_key = Digest::MD5.hexdigest("#{env[:clone_id]}-snapshot")
    env[:machine].env.lock(lock_key, retry: true) do
      prepare_snapshot(env)
    end
  end

  # Continue
  @app.call(env)
end