Class: Bosh::Director::InstanceDeleter

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

Overview

Coordinates the safe deletion of an instance and all associates resources.

Instance Method Summary collapse

Constructor Details

#initialize(ip_provider, dns_manager, disk_manager, options = {}) ⇒ InstanceDeleter

Returns a new instance of InstanceDeleter.



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# File 'lib/bosh/director/instance_deleter.rb', line 5

def initialize(ip_provider, dns_manager, disk_manager, options={})
  @ip_provider = ip_provider
  @dns_manager = dns_manager
  @disk_manager = disk_manager
  @cloud = Config.cloud
  @logger = Config.logger
  @blobstore = App.instance.blobstores.blobstore
  @force = options.fetch(:force, false)
  @virtual_delete_vm = options.fetch(:virtual_delete_vm, false)

end

Instance Method Details

#delete_instance_plan(instance_plan, event_log_stage) ⇒ Object 



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# File 'lib/bosh/director/instance_deleter.rb', line 17

def delete_instance_plan(instance_plan, event_log_stage)
  instance_model = instance_plan.new? ? instance_plan.instance.model : instance_plan.existing_instance
  deployment_name = instance_model.deployment.name
  instance_name = instance_model.name
  parent_id = add_event(deployment_name, instance_name)
  event_log_stage.advance_and_track(instance_model.to_s) do
    error_ignorer.with_force_check do
      stop(instance_plan)
    end

    vm_deleter.delete_for_instance(instance_model)

    unless instance_model.compilation
      error_ignorer.with_force_check do
        @disk_manager.delete_persistent_disks(instance_model)
      end

      error_ignorer.with_force_check do
        @dns_manager.delete_dns_for_instance(instance_model)
      end

      error_ignorer.with_force_check do
        RenderedJobTemplatesCleaner.new(instance_model, @blobstore, @logger).clean_all
      end
    end

    instance_plan.network_plans.each do |network_plan|
      reservation = network_plan.reservation
      @ip_provider.release(reservation) if reservation.reserved?
    end
    instance_plan.release_all_network_plans

    instance_model.destroy
  end
rescue Exception => e
  raise e
ensure
  add_event(deployment_name, instance_name, parent_id, e) if parent_id
end

#delete_instance_plans(instance_plans, event_log_stage, options = {}) ⇒ Object 



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# File 'lib/bosh/director/instance_deleter.rb', line 57

def delete_instance_plans(instance_plans, event_log_stage, options = {})
  max_threads = options[:max_threads] || Config.max_threads
  ThreadPool.new(:max_threads => max_threads).wrap do |pool|
    instance_plans.each do |instance_plan|
      pool.process { delete_instance_plan(instance_plan, event_log_stage) }
    end
  end
end