Class: ScoutApm::BackgroundJobIntegrations::Que
- Inherits:
-
Object
- Object
- ScoutApm::BackgroundJobIntegrations::Que
- Defined in:
- lib/scout_apm/background_job_integrations/que.rb
Constant Summary collapse
- UNKNOWN_CLASS_PLACEHOLDER =
'UnknownJob'.freeze
- ACTIVE_JOB_KLASS =
'ActiveJob::QueueAdapters::QueAdapter::JobWrapper'.freeze
- UNKNOWN_QUEUE_PLACEHOLDER =
'UnknownQueue'.freeze
Instance Attribute Summary collapse
-
#logger ⇒ Object
readonly
Returns the value of attribute logger.
Instance Method Summary collapse
- #forking? ⇒ Boolean
- #install ⇒ Object
- #install_job ⇒ Object
- #install_tracer ⇒ Object
- #install_worker ⇒ Object
- #name ⇒ Object
- #present? ⇒ Boolean
Instance Attribute Details
#logger ⇒ Object (readonly)
Returns the value of attribute logger.
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# File 'lib/scout_apm/background_job_integrations/que.rb', line 9 def logger @logger end |
Instance Method Details
#forking? ⇒ Boolean
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# File 'lib/scout_apm/background_job_integrations/que.rb', line 23 def forking? false end |
#install ⇒ Object
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# File 'lib/scout_apm/background_job_integrations/que.rb', line 27 def install install_tracer install_worker install_job end |
#install_job ⇒ Object
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# File 'lib/scout_apm/background_job_integrations/que.rb', line 52 def install_job ::Que::Job.class_eval do # attrs = { # "queue"=>"", # "priority"=>100, # "run_at"=>2018-12-19 15:12:32 -0700, # "job_id"=>4, # "job_class"=>"ExampleJob", # "args"=>[{"key"=>"value"}], # "error_count"=>0 # } # # With ActiveJob, v0.14.3: # attrs = { # "queue"=>"", # "priority"=>100, # "run_at"=>2018-12-19 15:29:18 -0700, # "job_id"=>6, # "job_class"=>"ActiveJob::QueueAdapters::QueAdapter::JobWrapper", # "args"=> [{ # "job_class"=>"ExampleJob", # "job_id"=>"60798b45-4b55-436e-806d-693939266c97", # "provider_job_id"=>nil, # "queue_name"=>"default", # "priority"=>nil, # "arguments"=>[], # "executions"=>0, # "locale"=>"en" # }], # "error_count"=>0 # } # # With ActiveJob, v1.0: # There are changes here to make Que more compatible with ActiveJob # and this probably needs to be revisited. def _run_with_scout(*args) # default queue unless specifed is a blank string queue = attrs['queue'] || UNKNOWN_QUEUE_PLACEHOLDER job_class = begin if self.class == ActiveJob::QueueAdapters::QueAdapter::JobWrapper Array(attrs['args']).first['job_class'] || UNKNOWN_CLASS_PLACEHOLDER else self.class.name end rescue => e UNKNOWN_CLASS_PLACEHOLDER end latency = begin Time.now - attrs['run_at'] rescue 0 end req = ScoutApm::RequestManager.lookup req.annotate_request(:queue_latency => latency) begin req.start_layer(ScoutApm::Layer.new('Queue', queue)) started_queue = true req.start_layer(ScoutApm::Layer.new('Job', job_class)) started_job = true _run_without_scout(*args) rescue Exception => e req.error! raise ensure req.stop_layer if started_job req.stop_layer if started_queue end end alias_method :_run_without_scout, :_run alias_method :_run, :_run_with_scout end end |
#install_tracer ⇒ Object
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# File 'lib/scout_apm/background_job_integrations/que.rb', line 33 def install_tracer ::Que::Job.class_eval do include ScoutApm::Tracer end end |
#install_worker ⇒ Object
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# File 'lib/scout_apm/background_job_integrations/que.rb', line 39 def install_worker ::Que::Worker.class_eval do def initialize_with_scout(*args) agent = ::ScoutApm::Agent.instance agent.start initialize_without_scout(*args) end alias_method :initialize_without_scout, :initialize alias_method :initialize, :initialize_with_scout end end |
#name ⇒ Object
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# File 'lib/scout_apm/background_job_integrations/que.rb', line 11 def name :que end |
#present? ⇒ Boolean
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# File 'lib/scout_apm/background_job_integrations/que.rb', line 15 def present? if defined?(::Que) && File.basename($PROGRAM_NAME).start_with?('que') # 0.x releases used "Version" constant. # 1.x releases used "VERSION" constant. return defined?(::Que::Version) end end |