Class: SidekiqProcessKiller::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/sidekiq_process_killer/middleware.rb

Constant Summary collapse

LOG_PREFIX = 
self.name
METRIC_PREFIX = 
"sidekiq_process_killer".freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#jid ⇒ Object

Returns the value of attribute jid.



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# File 'lib/sidekiq_process_killer/middleware.rb', line 6

def jid
  @jid
end

#memory ⇒ Object

Returns the value of attribute memory.



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# File 'lib/sidekiq_process_killer/middleware.rb', line 6

def memory
  @memory
end

#pid ⇒ Object

Returns the value of attribute pid.



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# File 'lib/sidekiq_process_killer/middleware.rb', line 6

def pid
  @pid
end

#queue ⇒ Object

Returns the value of attribute queue.



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# File 'lib/sidekiq_process_killer/middleware.rb', line 6

def queue
  @queue
end

#worker ⇒ Object

Returns the value of attribute worker.



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# File 'lib/sidekiq_process_killer/middleware.rb', line 6

def worker
  @worker
end

Instance Method Details

#call(worker, job, queue) ⇒ Object 



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# File 'lib/sidekiq_process_killer/middleware.rb', line 8

def call(worker, job, queue)
  yield

  @pid        = ::Process.pid
  @worker     = worker.class
  @queue      = queue
  @memory     = process_memory.mb
  @jid        = job['jid']

  memory_threshold = SidekiqProcessKiller.memory_threshold
  return if memory_threshold > memory

  send_signal("SIGTERM", pid)
  sleep 2
  log_warn("Breached RSS threshold at #{memory_threshold}. Sending TERM Signal.")
  increment_statsd({
    metric_name: "process.term.signal.sent",
    worker_name: worker.class,
    current_memory_usage: memory
  })
end