Class: VagrantPlugins::Google::Action::ReadState

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-google/action/read_state.rb

Overview

This action reads the state of the machine and puts it in the ‘:machine_state_id` key in the environment.

Instance Method Summary collapse

Constructor Details

#initialize(app, env) ⇒ ReadState

Returns a new instance of ReadState.



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# File 'lib/vagrant-google/action/read_state.rb', line 22

def initialize(app, env)
  @app    = app
  @logger = Log4r::Logger.new("vagrant_google::action::read_state")
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/vagrant-google/action/read_state.rb', line 27

def call(env)
  env[:machine_state_id] = read_state(env[:google_compute], env[:machine])

  @app.call(env)
end

#read_state(google, machine) ⇒ Object 



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# File 'lib/vagrant-google/action/read_state.rb', line 33

def read_state(google, machine)
  return :not_created if machine.id.nil?

  # Find the machine
  zone = machine.provider_config.zone
  # TODO(erjohnso): not sure why this is necessary, 'server' should be nil
  begin
    server = google.servers.get(machine.id, zone)
  rescue Exception => e
    @logger.info("TODO: this shouldn't be happening. Call should return nil")
    @logger.info(e.message)
    server = nil
  end
  if server.nil? || [:"shutting-down", :terminated].include?(server.state.to_sym)
    # The machine can't be found
    @logger.info("Machine '#{zone}:#{machine.id}' not found or terminated, assuming it got destroyed.")
    machine.id = nil
    return :not_created
  end

  # Return the state
  return server.state.to_sym
end