Class: Bosh::Director::InstanceUpdater::NetworkUpdater

Inherits:
Object
  • Object
show all
Defined in:
lib/bosh/director/instance_updater/network_updater.rb

Defined Under Namespace

Classes: ConfigureNetworksStrategy, PrepareNetworkChangeStrategy

Instance Method Summary collapse

Constructor Details

#initialize(instance, vm_model, agent_client, vm_updater, cloud, logger) ⇒ NetworkUpdater

Returns a new instance of NetworkUpdater.



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# File 'lib/bosh/director/instance_updater/network_updater.rb', line 3

def initialize(instance, vm_model, agent_client, vm_updater, cloud, logger)
  @instance = instance
  @vm_model = vm_model
  @agent_client = agent_client
  @vm_updater = vm_updater
  @cloud = cloud
  @logger = logger
end

Instance Method Details

#update ⇒ Object 



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# File 'lib/bosh/director/instance_updater/network_updater.rb', line 12

def update
  unless @instance.networks_changed?
    @logger.info('Skipping network re-configuration')
    return [@vm_model, @agent_client]
  end

  network_settings = @instance.network_settings

  strategies = [
    ConfigureNetworksStrategy.new(@agent_client, network_settings, @logger),
    PrepareNetworkChangeStrategy.new(@agent_client, network_settings, @logger),
  ]

  @logger.info("Planning to reconfigure network with settings: #{network_settings}")
  selected_strategy = strategies.find { |s| s.before_configure_networks }

  @cloud.configure_networks(@vm_model.cid, network_settings)

  selected_strategy.after_configure_networks

  [@vm_model, @agent_client]

rescue Bosh::Clouds::NotSupported => e
  @logger.info("Failed reconfiguring existing VM: #{e.inspect}")

  # If configure_networks CPI method cannot reconfigure VM networking
  # (e.g. when the security groups change on AWS)
  # it raises Bosh::Clouds::NotSupported to indicate new VM is needed.
  @logger.info('Creating VM with new network configurations')
  @instance.recreate = true
  @vm_updater.update(nil)
end