Class: Bosh::Director::Jobs::Helpers::StemcellDeleter

Inherits:
Object
  • Object
show all
Includes:
LockHelper
Defined in:
lib/bosh/director/jobs/helpers/stemcell_deleter.rb

Instance Method Summary collapse

Methods included from LockHelper

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

Constructor Details

#initialize(cloud, compiled_package_deleter, logger, event_log) ⇒ StemcellDeleter

Returns a new instance of StemcellDeleter.



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# File 'lib/bosh/director/jobs/helpers/stemcell_deleter.rb', line 6

def initialize(cloud, compiled_package_deleter, logger, event_log)
  @cloud = cloud
  @compiled_package_deleter = compiled_package_deleter
  @logger = logger
  @event_log = event_log
end

Instance Method Details

#delete(stemcell, options = {}) ⇒ Object 



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# File 'lib/bosh/director/jobs/helpers/stemcell_deleter.rb', line 13

def delete(stemcell, options = {})
  with_stemcell_lock(stemcell.name, stemcell.version) do
    @logger.info('Checking for any deployments still using the stemcell')
    deployments = stemcell.deployments
    unless deployments.empty?
      names = deployments.map { |d| d.name }.join(', ')
      raise Bosh::Director::StemcellInUse,
        "Stemcell `#{stemcell.name}/#{stemcell.version}' is still in use by: #{names}"
    end

    begin
      @cloud.delete_stemcell(stemcell.cid)
    rescue => e
      raise unless options['force']
      @logger.warn(e.backtrace.join("\n"))
      @logger.info("Force deleting is set, ignoring exception: #{e.message}")
    end

    @logger.info('Looking for any compiled packages on this stemcell')
    compiled_packages = Bosh::Director::Models::CompiledPackage.filter(:stemcell_id => stemcell.id)

    stage = @event_log.begin_stage('Deleting compiled packages',
      compiled_packages.count, [stemcell.name, stemcell.version])
    @logger.info('Deleting compiled packages ' +
        "(#{compiled_packages.count}) for `#{stemcell.name}/#{stemcell.version}'")

    compiled_packages.each do |compiled_package|
      message = "#{compiled_package.name}/#{compiled_package.version}"
      stage.advance_and_track(message) do
        @logger.info(message)
        @compiled_package_deleter.delete(compiled_package, options)
      end
    end

    stemcell.destroy
  end
end