Class: Bosh::Director::Errand::Runner

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

Defined Under Namespace

Classes: ErrandResult

Instance Method Summary collapse

Constructor Details

#initialize(job, result_file, instance_manager, event_log) ⇒ Runner

Returns a new instance of Runner.

Parameters:



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# File 'lib/bosh/director/errand/runner.rb', line 43

def initialize(job, result_file, instance_manager, event_log)
  @job = job
  @result_file = result_file
  @instance_manager = instance_manager
  @event_log = event_log
end

Instance Method Details

#run ⇒ String

Runs errand on job instances

Returns:

  • (String) —

    short description of the errand result



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# File 'lib/bosh/director/errand/runner.rb', line 52

def run
  instance = @job.instances.first
  unless instance
    raise DirectorError, 'Must have at least one job instance to run an errand'
  end

  agent_task_result = nil

  event_log_stage = @event_log.begin_stage('Running errand', 1)
  event_log_stage.advance_and_track("#{@job.name}/#{instance.index}") do
    agent = @instance_manager.agent_client_for(instance.model)
    agent_task_result = agent.run_errand
  end

  errand_result = ErrandResult.from_agent_task_result(agent_task_result)
  @result_file.write(JSON.dump(errand_result.to_hash) + "\n")

  title_prefix = "Errand `#{@job.name}' completed"
  exit_code_suffix = "(exit code #{errand_result.exit_code})"

  if errand_result.exit_code == 0
    "#{title_prefix} successfully #{exit_code_suffix}"
  else
    "#{title_prefix} with error #{exit_code_suffix}"
  end
end