Class: ManageEngine::Instrumentation::ActiveRecordSQL

Inherits:
Object
  • Object
show all
Defined in:
lib/agent/server/instrument/active_record.rb

Instance Method Summary collapse

Instance Method Details

#instrument ⇒ Object 



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# File 'lib/agent/server/instrument/active_record.rb', line 17

def instrument
  @obj = ManageEngine::APMObjectHolder.instance
  @obj.log.info "Instrumenting ActiveRecord"
  
  ActiveSupport::Notifications.subscribe('sql.active_record') do |name, start, finish, id, payload|
    begin 
      if @obj.config.sql_capture && payload[:name] != "SCHEMA" # Dropping internal schema related queries
        dbTracker = ManageEngine::Tracker::DatabaseTracker.new(payload[:name], start.to_f * 1000)
        dbTracker.sql(payload[:sql])
        dbTracker.params(payload[:binds])
        dbTracker = ManageEngine::Agent::TrackerHandler.invokeTracker(dbTracker)
        
        if dbTracker != nil
          dbTracker.finish(finish.to_f * 1000)
          
          if dbTracker.duration >= (@obj.config.sql_trace_t.to_f * 1000)
            dbTracker.sqlBacktrace(caller(10))
          end
          
          exception = payload[:exception_object]
          if exception != nil
            dbTracker.setError(exception)
          end
          
          ManageEngine::Agent::TrackerHandler.exitTracker(dbTracker)
        end
      end
    rescue Exception => e
      @obj.log.logException("Error processing #{name} payload", e)
    end
  end #subscribe
end

#name ⇒ Object 



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# File 'lib/agent/server/instrument/active_record.rb', line 13

def name
  'ActiveRecord'
end

#present? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/agent/server/instrument/active_record.rb', line 9

def present?
  defined?(::ActiveRecord::Base) && defined?(::ActiveSupport::Notifications)
end