Class: VagrantPlugins::ProviderLibvirt::Action::WaitTillUp

Inherits:
Object
  • Object
show all
Includes:
Vagrant::Util::Retryable
Defined in:
lib/vagrant-libvirt/action/wait_till_up.rb

Overview

Wait till domain is started, till it obtains an IP address and is accessible via ssh.

Instance Method Summary collapse

Constructor Details

#initialize(app, _env) ⇒ WaitTillUp

Returns a new instance of WaitTillUp.


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# File 'lib/vagrant-libvirt/action/wait_till_up.rb', line 14

def initialize(app, _env)
  @logger = Log4r::Logger.new('vagrant_libvirt::action::wait_till_up')
  @app = app
end

Instance Method Details

#call(env) ⇒ Object


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# File 'lib/vagrant-libvirt/action/wait_till_up.rb', line 19

def call(env)
  # Initialize metrics if they haven't been
  env[:metrics] ||= {}

  # Get domain object
  domain = env[:machine].provider.driver.get_domain(env[:machine].id.to_s)
  if domain.nil?
    raise Errors::NoDomainError,
          error_message: "Domain #{env[:machine].id} not found"
  end

  # Wait for domain to obtain an ip address. Ip address is searched
  # from arp table, either locally or remotely via ssh, if Libvirt
  # connection was done via ssh.
  env[:ip_address] = nil
  @logger.debug("Searching for IP for MAC address: #{domain.mac}")
  env[:ui].info(I18n.t('vagrant_libvirt.waiting_for_ip'))

  if env[:machine].provider_config.qemu_use_session
    env[:metrics]['instance_ip_time'] = Util::Timer.time do
      retryable(on: Fog::Errors::TimeoutError, tries: 300) do
        # just return if interrupted and let the warden call recover
        return if env[:interrupted]

        # Wait for domain to obtain an ip address
        domain.wait_for(2) do
          env[:ip_address] = env[:machine].provider.driver.get_ipaddress_system(domain.mac)
          !env[:ip_address].nil?
        end
      end
    end
  else
    env[:metrics]['instance_ip_time'] = Util::Timer.time do
      retryable(on: Fog::Errors::TimeoutError, tries: 300) do
        # just return if interrupted and let the warden call recover
        return if env[:interrupted]

        # Wait for domain to obtain an ip address
        domain.wait_for(2) do
          addresses.each_pair do |_type, ip|
            env[:ip_address] = ip[0] unless ip[0].nil?
          end
          !env[:ip_address].nil?
        end
      end
    end
  end

  @logger.info("Got IP address #{env[:ip_address]}")
  @logger.info("Time for getting IP: #{env[:metrics]['instance_ip_time']}")

  # Machine has ip address assigned, now wait till we are able to
  # connect via ssh.
  env[:metrics]['instance_ssh_time'] = Util::Timer.time do
    env[:ui].info(I18n.t('vagrant_libvirt.waiting_for_ssh'))
    retryable(on: Fog::Errors::TimeoutError, tries: 60) do
      # If we're interrupted don't worry about waiting
      next if env[:interrupted]

      # Wait till we are able to connect via ssh.
      loop do
        # If we're interrupted then just back out
        break if env[:interrupted]
        break if env[:machine].communicate.ready?
        sleep 2
      end
    end
  end
  # just return if interrupted and let the warden call recover
  return if env[:interrupted]
  @logger.info("Time for SSH ready: #{env[:metrics]['instance_ssh_time']}")

  # Booted and ready for use.
  # env[:ui].info(I18n.t("vagrant_libvirt.ready"))

  @app.call(env)
end

#recover(env) ⇒ Object


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# File 'lib/vagrant-libvirt/action/wait_till_up.rb', line 97

def recover(env)
  # Undo the import
  terminate(env)
end

#terminate(env) ⇒ Object


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# File 'lib/vagrant-libvirt/action/wait_till_up.rb', line 102

def terminate(env)
  if env[:machine].provider.state.id != :not_created
    # If we're not supposed to destroy on error then just return
    return unless env[:destroy_on_error]

    if env[:halt_on_error]
      halt_env = env.dup
      halt_env.delete(:interrupted)
      halt_env[:config_validate] = false
      env[:action_runner].run(Action.action_halt, halt_env)
    else
      destroy_env = env.dup
      destroy_env.delete(:interrupted)
      destroy_env[:config_validate] = false
      destroy_env[:force_confirm_destroy] = true
      env[:action_runner].run(Action.action_destroy, destroy_env)
    end
  end
end