Class: Profiler::JobProfiler

Inherits:
Object
  • Object
show all
Defined in:
lib/profiler/job_profiler.rb

Constant Summary collapse

JOB_COLLECTOR_CLASSES = 
[
  Collectors::DatabaseCollector,
  Collectors::CacheCollector,
  Collectors::HttpCollector,
  Collectors::DumpCollector,
  Collectors::LogCollector,
  Collectors::ExceptionCollector,
  Collectors::EnvCollector,
  Collectors::FlameGraphCollector,
  Collectors::MailerCollector
].freeze

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(job_class:, job_id:, queue:, arguments:, executions:, parent_token: nil) ⇒ JobProfiler

Returns a new instance of JobProfiler.



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# File 'lib/profiler/job_profiler.rb', line 43

def initialize(job_class:, job_id:, queue:, arguments:, executions:, parent_token: nil)
  @job_class = job_class
  @job_id = job_id
  @queue = queue
  @arguments = arguments
  @executions = executions
  @parent_token = parent_token
end

Class Method Details

.profile(job_class:, job_id:, queue:, arguments:, executions:, parent_token: nil, &block) ⇒ Object 



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# File 'lib/profiler/job_profiler.rb', line 30

def self.profile(job_class:, job_id:, queue:, arguments:, executions:, parent_token: nil, &block)
  return block.call unless Profiler.enabled? && Profiler.configuration.track_jobs

  new(
    job_class: job_class,
    job_id: job_id,
    queue: queue,
    arguments: arguments,
    executions: executions,
    parent_token: parent_token
  ).run(&block)
end

Instance Method Details

#run(&block) ⇒ Object 



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# File 'lib/profiler/job_profiler.rb', line 52

def run(&block)
  profile = Models::Profile.new
  profile.profile_type = "job"
  profile.gem_version = Profiler::VERSION
  profile.path = @job_class
  profile.method = "JOB"
  profile.parent_token = @parent_token if @parent_token

  job_collector = Collectors::JobCollector.new(profile, {
    job_class: @job_class,
    job_id: @job_id,
    queue: @queue,
    arguments: sanitize_arguments(@arguments),
    executions: @executions
  })

  collectors = [job_collector] + JOB_COLLECTOR_CLASSES.map { |klass| klass.new(profile) }
  collectors.each { |c| c.subscribe if c.respond_to?(:subscribe) }

  exception_collector = collectors.find { |c| c.is_a?(Collectors::ExceptionCollector) }

  memory_before = current_memory if Profiler.configuration.track_memory

  job_status = "completed"
  error_message = nil

  previous_token = Profiler::CurrentContext.token
  previous_job_class = Thread.current[:profiler_current_job_class]
  Profiler::CurrentContext.token = profile.token
  Thread.current[:profiler_current_job_class] = @job_class
  begin
    result = block.call
    result
  rescue => e
    job_status = "failed"
    error_message = "#{e.class}: #{e.message}"
    exception_collector&.capture(e)
    raise
  ensure
    Thread.current[:profiler_current_job_class] = previous_job_class
    Profiler::CurrentContext.token = previous_token
    if Profiler.configuration.track_memory
      profile.memory = current_memory - memory_before
    end

    job_collector.update_status(job_status, error_message)
    profile.finish(job_status == "completed" ? 200 : 500)

    collectors.each do |collector|
      begin
        collector.collect if collector.respond_to?(:collect)
        profile.add_collector_metadata(collector)
      rescue => e
        warn "Profiler JobProfiler: Collector #{collector.class} failed: #{e.message}"
      end
    end

    Profiler.storage.save(profile.token, profile)
  end
end