Class: Bosh::Director::Jobs::RunErrand

Inherits:
BaseJob show all
Includes:
LockHelper
Defined in:
lib/bosh/director/jobs/run_errand.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_checkpoint, #track_and_log

Constructor Details

#initialize(deployment_name, errand_name, keep_alive) ⇒ RunErrand

Returns a new instance of RunErrand.



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

def initialize(deployment_name, errand_name, keep_alive)
  @deployment_name = deployment_name
  @errand_name = errand_name
  @deployment_manager = Api::DeploymentManager.new
  @instance_manager = Api::InstanceManager.new
  @blobstore = App.instance.blobstores.blobstore
  @keep_alive = keep_alive
  log_bundles_cleaner = LogBundlesCleaner.new(@blobstore, 60 * 60 * 24 * 10, logger) # 10 days
  @logs_fetcher = LogsFetcher.new(event_log, @instance_manager, log_bundles_cleaner, logger)
end

Class Method Details

.job_type ⇒ Object 



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# File 'lib/bosh/director/jobs/run_errand.rb', line 9

def self.job_type
  :run_errand
end

Instance Method Details

#perform ⇒ Object 



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# File 'lib/bosh/director/jobs/run_errand.rb', line 24

def perform
  deployment_model = @deployment_manager.find_by_name(@deployment_name)
  deployment_manifest_hash = Psych.load(deployment_model.manifest)
  deployment_name = deployment_manifest_hash['name']
  with_deployment_lock(deployment_name) do
    cloud_config_model = deployment_model.cloud_config

    planner_factory = DeploymentPlan::PlannerFactory.create(event_log, logger)
    deployment = planner_factory.planner(deployment_manifest_hash, cloud_config_model, {})

    job = deployment.job(@errand_name)
    if job.nil?
      raise JobNotFound, "Errand `#{@errand_name}' doesn't exist"
    end

    unless job.can_run_as_errand?
      raise RunErrandError,
            "Job `#{job.name}' is not an errand. To mark a job as an errand " +
              "set its lifecycle to 'errand' in the deployment manifest."
    end

    if job.instances.empty?
      raise InstanceNotFound, "Instance `#{@deployment_name}/#{@errand_name}/0' doesn't exist"
    end

    runner = Errand::Runner.new(job, result_file, @instance_manager, event_log, @logs_fetcher)

    cancel_blk = lambda {
      begin
        task_checkpoint
      rescue TaskCancelled => e
        runner.cancel
        raise e
      end
    }

    with_updated_instances(deployment, job) do
      logger.info('Starting to run errand')
      runner.run(&cancel_blk)
    end
  end
end

#task_cancelled? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bosh/director/jobs/run_errand.rb', line 67

def task_cancelled?
  super unless @ignore_cancellation
end