Class: Bosh::Director::VmCreator

Inherits:
Object
  • Object
show all
Includes:
EncryptionHelper, PasswordHelper
Defined in:
lib/bosh/director/vm_creator.rb

Overview

Creates VM model and call out to CPI to create VM in IaaS

Constant Summary

Constants included from PasswordHelper

PasswordHelper::PASSWORD_LENGTH, PasswordHelper::SALT_MAX_LENGTH_IN_BYTES

Instance Method Summary collapse

Methods included from PasswordHelper

#sha512_hashed_password

Methods included from EncryptionHelper

#generate_agent_credentials

Constructor Details

#initialize(cloud, logger, vm_deleter, disk_manager, job_renderer, arp_flusher) ⇒ VmCreator

Returns a new instance of VmCreator.



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# File 'lib/bosh/director/vm_creator.rb', line 10

def initialize(cloud, logger, vm_deleter, disk_manager, job_renderer, arp_flusher)
  @cloud = cloud
  @logger = logger
  @vm_deleter = vm_deleter
  @disk_manager = disk_manager
  @job_renderer = job_renderer
  @arp_flusher = arp_flusher
end

Instance Method Details

#create_for_instance_plan(instance_plan, disks) ⇒ Object 



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# File 'lib/bosh/director/vm_creator.rb', line 49

def create_for_instance_plan(instance_plan, disks)
  instance = instance_plan.instance
  instance_model = instance.model
  @logger.info('Creating VM')

  create(
    instance_model,
    instance.stemcell,
    instance.cloud_properties,
    instance_plan.network_settings_hash,
    disks,
    instance.env,
  )

  begin
    VmMetadataUpdater.build.update(instance_model, {})
    agent_client = AgentClient.with_vm_credentials_and_agent_id(instance_model.credentials, instance_model.agent_id)
    agent_client.wait_until_ready

    if Config.flush_arp
      ip_addresses = instance_plan.network_settings_hash.map do |index,network|
        network['ip']
      end.compact

      @arp_flusher.delete_arp_entries(instance_model.vm_cid, ip_addresses)
    end

    instance.update_trusted_certs
    instance.update_cloud_properties!
  rescue Exception => e
    @logger.error("Failed to create/contact VM #{instance_model.vm_cid}: #{e.inspect}")
    if Config.keep_unreachable_vms
      @logger.info('Keeping the VM for debugging')
    else
      @vm_deleter.delete_for_instance(instance_model)
    end
    raise e
  end

  @disk_manager.attach_disks_if_needed(instance_plan)

  apply_initial_vm_state(instance_plan)

  instance_plan.mark_desired_network_plans_as_existing
end

#create_for_instance_plans(instance_plans, ip_provider) ⇒ Object 



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# File 'lib/bosh/director/vm_creator.rb', line 19

def create_for_instance_plans(instance_plans, ip_provider)
  return @logger.info('No missing vms to create') if instance_plans.empty?

  total = instance_plans.size
  event_log_stage = Config.event_log.begin_stage('Creating missing vms', total)
  ThreadPool.new(max_threads: Config.max_threads, logger: @logger).wrap do |pool|
    instance_plans.each do |instance_plan|
      instance = instance_plan.instance

      pool.process do
        with_thread_name("create_missing_vm(#{instance.model}/#{total})") do
          event_log_stage.advance_and_track(instance.model.to_s) do
            @logger.info('Creating missing VM')
            disks = [instance.model.persistent_disk_cid].compact
            create_for_instance_plan(instance_plan, disks)

            instance_plan.network_plans
              .select(&:obsolete?)
              .each do |network_plan|
              reservation = network_plan.reservation
              ip_provider.release(reservation)
            end
            instance_plan.release_obsolete_network_plans
          end
        end
      end
    end
  end
end