Class: BuildBuddy::Scheduler

Inherits:
Object
  • Object
show all
Includes:
Celluloid, Celluloid::Internals::Logger
Defined in:
lib/build_buddy/scheduler.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Scheduler

Returns a new instance of Scheduler.



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# File 'lib/build_buddy/scheduler.rb', line 14

def initialize()
  @build_queue = Queue.new
  @done_queue = Queue.new
  @build_timer = nil
end

Instance Attribute Details

#active_build ⇒ Object (readonly)

Returns the value of attribute active_build.



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# File 'lib/build_buddy/scheduler.rb', line 12

def active_build
  @active_build
end

Instance Method Details

#on_build_completed(build_data) ⇒ Object 



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# File 'lib/build_buddy/scheduler.rb', line 103

def on_build_completed(build_data)
  @active_build = nil
  @done_queue.push(build_data)
end

#on_build_interval ⇒ Object 



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# File 'lib/build_buddy/scheduler.rb', line 54

def on_build_interval
  if @active_build.nil?
    if @build_queue.length > 0
      build_data = @build_queue.pop()
      @active_build = build_data
      Celluloid::Actor[:recorder].async.record_build_data(build_data)
      if build_data.build_type == :pull_request
        Celluloid::Actor[:gitter].async.set_status(
            build_data.repo_full_name, build_data.repo_sha, :pending, "This build has started")
      end
      Celluloid::Actor[:builder].async.start_build(build_data)
    elsif @done_queue.length > 0
      build_data = @done_queue.pop
      status_message = build_data.termination_type == :killed ? "was stopped" : build_data.exit_code != 0 ? "failed" : "succeeded"
      status_message += '. '

      if build_data.build_type == :pull_request
        message = "The buddy build #{status_message}"
        Celluloid::Actor[:gitter].async.set_status(
            build_data.repo_full_name, build_data.repo_sha,
            build_data.termination_type == :killed ? :failure : build_data.exit_code != 0 ? :error : :success,
            message)
        info "Pull request build #{status_message}"
      else
        status_message += "Log file at #{Config.server_base_uri + '/log/' + build_data._id.to_s}."
        if build_data.build_type == :master
          message = "A build of the `master` branch #{status_message}"
          info "`master` branch build #{status_message}"
        else
          message = "A build of the `#{build_data.build_version}` branch #{status_message}"
          info "Release branch build #{status_message}"
        end
        Celluloid::Actor[:slacker].async.notify_channel(message)
      end
      Celluloid::Actor[:recorder].async.update_build_data(build_data)
    else
      @build_timer.cancel
      @build_timer = nil
      info "Build timer stopped"
    end
  else
    # Make sure that the build has not run too long and kill if necessary
    start_time = @active_build.start_time
    if !start_time.nil? and Time.now.utc - start_time > Config.kill_build_after_mins * 60
      Celluloid::Actor[:builder].async.stop_build()
    end
  end
end

#queue_a_build(build_data) ⇒ Object 



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# File 'lib/build_buddy/scheduler.rb', line 20

def queue_a_build(build_data)
  @build_queue.push(build_data)

  case build_data.build_type
    when :pull_request
      Celluloid::Actor[:gitter].async.set_status(
          build_data.repo_full_name, build_data.repo_sha, :pending, "This build is in the queue")
      info "Pull request build queued"
    when :master
      info "`master` branch build queued"
    when :release
      info "Release branch build queued"
  end

  if @build_timer.nil?
    @build_timer = every(5) { on_build_interval }
    info "Build timer started"
  end
end

#queue_length ⇒ Object 



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# File 'lib/build_buddy/scheduler.rb', line 40

def queue_length
  @build_queue.length
end

#stop_build ⇒ Object 



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# File 'lib/build_buddy/scheduler.rb', line 44

def stop_build
  # Centralize stopping bulids here in case we allow multiple active builders in future
  unless @active_build.nil?
    Celluloid::Actor[:builder].stop_build
    true
  else
    false
  end
end