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require 'active_support/core_ext/hash/transform_values'
require 'active_support/core_ext/string/filters'
require 'active_support/tagged_logging'
require 'active_support/logger'
module ActiveJob
module Logging #:nodoc:
extend ActiveSupport::Concern
included do
cattr_accessor(:logger) { ActiveSupport::TaggedLogging.new(ActiveSupport::Logger.new(STDOUT)) }
around_enqueue do |_, block, _|
tag_logger do
block.call
end
end
around_perform do |job, block, _|
tag_logger(job.class.name, job.job_id) do
payload = {adapter: job.class.queue_adapter, job: job}
ActiveSupport::Notifications.instrument("perform_start.active_job", payload.dup)
ActiveSupport::Notifications.instrument("perform.active_job", payload) do
block.call
end
end
end
after_enqueue do |job|
if job.scheduled_at
ActiveSupport::Notifications.instrument "enqueue_at.active_job",
adapter: job.class.queue_adapter, job: job
else
ActiveSupport::Notifications.instrument "enqueue.active_job",
adapter: job.class.queue_adapter, job: job
end
end
end
private
def tag_logger(*tags)
if logger.respond_to?(:tagged)
tags.unshift "ActiveJob" unless logger_tagged_by_active_job?
ActiveJob::Base.logger.tagged(*tags){ yield }
else
yield
end
end
def logger_tagged_by_active_job?
logger.formatter.current_tags.include?("ActiveJob")
end
class LogSubscriber < ActiveSupport::LogSubscriber #:nodoc:
def enqueue(event)
info do
job = event.payload[:job]
"Enqueued #{job.class.name} (Job ID: #{job.job_id}) to #{queue_name(event)}" + args_info(job)
end
end
def enqueue_at(event)
info do
job = event.payload[:job]
"Enqueued #{job.class.name} (Job ID: #{job.job_id}) to #{queue_name(event)} at #{scheduled_at(event)}" + args_info(job)
end
end
def perform_start(event)
info do
job = event.payload[:job]
"Performing #{job.class.name} from #{queue_name(event)}" + args_info(job)
end
end
def perform(event)
info do
job = event.payload[:job]
"Performed #{job.class.name} from #{queue_name(event)} in #{event.duration.round(2)}ms"
end
end
private
def queue_name(event)
event.payload[:adapter].class.name.demodulize.remove('Adapter') + "(#{event.payload[:job].queue_name})"
end
def args_info(job)
if job.arguments.any?
' with arguments: ' +
job.arguments.map { |arg| format(arg).inspect }.join(', ')
else
''
end
end
def format(arg)
case arg
when Hash
arg.transform_values { |value| format(value) }
when Array
arg.map { |value| format(value) }
when GlobalID::Identification
arg.to_global_id rescue arg
else
arg
end
end
def scheduled_at(event)
Time.at(event.payload[:job].scheduled_at).utc
end
def logger
ActiveJob::Base.logger
end
end
end
end
ActiveJob::Logging::LogSubscriber.attach_to :active_job
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