Class: Bosh::Director::Jobs::UpdateDeployment

Inherits:
BaseJob show all
Includes:
LockHelper
Defined in:
lib/bosh/director/jobs/update_deployment.rb

Instance Attribute Summary

Attributes inherited from BaseJob

#task_id

Class Method Summary collapse

Instance Method Summary collapse

Methods included from LockHelper

#with_compile_lock, #with_deployment_lock, #with_release_lock, #with_release_locks, #with_stemcell_lock

Methods inherited from BaseJob

#begin_stage, #event_log, #logger, perform, #result_file, #single_step_stage, #task_cancelled?, #task_checkpoint, #track_and_log

Constructor Details

#initialize(manifest_file, options = {}) ⇒ UpdateDeployment

Returns a new instance of UpdateDeployment.

Parameters:

  • manifest_file (String) —

    Path to deployment manifest

  • options (Hash) (defaults to: {}) —

    Deployment options



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# File 'lib/bosh/director/jobs/update_deployment.rb', line 14

def initialize(manifest_file, options = {})
  logger.info('Reading deployment manifest')
  @manifest_file = manifest_file
  @manifest = File.read(@manifest_file)
  logger.debug("Manifest:\n#{@manifest}")

  logger.info('Creating deployment plan')
  logger.info("Deployment plan options: #{options.pretty_inspect}")

  plan_options = {
    'recreate' => !!options['recreate'],
    'job_states' => options['job_states'] || {},
    'job_rename' => options['job_rename'] || {}
  }

  manifest_as_hash = Psych.load(@manifest)
  @deployment_plan = DeploymentPlan::Planner.parse(manifest_as_hash, event_log, plan_options)
  logger.info('Created deployment plan')

  resource_pools = @deployment_plan.resource_pools
  @resource_pool_updaters = resource_pools.map do |resource_pool|
    ResourcePoolUpdater.new(resource_pool)
  end
end

Class Method Details

.job_type ⇒ Object 



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# File 'lib/bosh/director/jobs/update_deployment.rb', line 8

def self.job_type
  :update_deployment
end

Instance Method Details

#perform ⇒ Object 



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# File 'lib/bosh/director/jobs/update_deployment.rb', line 70

def perform
  with_deployment_lock(@deployment_plan) do
    logger.info('Preparing deployment')
    prepare
    begin
      deployment = @deployment_plan.model
      logger.info('Finished preparing deployment')
      logger.info('Updating deployment')
      update

      with_release_locks(@deployment_plan) do
        deployment.db.transaction do
          deployment.remove_all_release_versions
          # Now we know that deployment has succeeded and can remove
          # previous partial deployments release version references
          # to be able to delete these release versions later.
          @deployment_plan.releases.each do |release|
            deployment.add_release_version(release.model)
          end
        end
      end

      deployment.manifest = @manifest
      deployment.save
      logger.info('Finished updating deployment')
      "/deployments/#{deployment.name}"
    ensure
      update_stemcell_references
    end
  end
ensure
  FileUtils.rm_rf(@manifest_file)
end

#prepare ⇒ Object 



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# File 'lib/bosh/director/jobs/update_deployment.rb', line 39

def prepare
  @assembler = DeploymentPlan::Assembler.new(@deployment_plan)
  preparer = DeploymentPlan::Preparer.new(self, @assembler)
  preparer.prepare

  logger.info('Compiling and binding packages')
  PackageCompiler.new(@deployment_plan).compile
end

#update ⇒ Object 



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# File 'lib/bosh/director/jobs/update_deployment.rb', line 48

def update
  resource_pools = DeploymentPlan::ResourcePools.new(event_log, @resource_pool_updaters)
  multi_job_updater = DeploymentPlan::BatchMultiJobUpdater.new
  updater = DeploymentPlan::Updater.new(self, event_log, resource_pools, @assembler, @deployment_plan, multi_job_updater)
  updater.update
end

#update_stemcell_references ⇒ Object 



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# File 'lib/bosh/director/jobs/update_deployment.rb', line 55

def update_stemcell_references
  current_stemcells = Set.new
  @deployment_plan.resource_pools.each do |resource_pool|
    current_stemcells << resource_pool.stemcell.model
  end

  deployment = @deployment_plan.model
  stemcells = deployment.stemcells
  stemcells.each do |stemcell|
    unless current_stemcells.include?(stemcell)
      stemcell.remove_deployment(deployment)
    end
  end
end