Class: Resque::Failure::RedisMultiQueue

Inherits:
Base
  • Object
show all
Defined in:
lib/resque/failure/redis_multi_queue.rb

Overview

A Failure backend that stores exceptions in Redis. Very simple but works out of the box, along with support in the Resque web app.

Instance Attribute Summary

Attributes inherited from Base

#exception, #payload, #queue, #worker

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#initialize, #log, url

Constructor Details

This class inherits a constructor from Resque::Failure::Base

Class Method Details

.all(offset = 0, limit = 1, queue = :failed) ⇒ Object 



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# File 'lib/resque/failure/redis_multi_queue.rb', line 45

def self.all(offset = 0, limit = 1, queue = :failed)
  Resque.list_range(queue, offset, limit)
end

.clear(queue = :failed) ⇒ Object 



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# File 'lib/resque/failure/redis_multi_queue.rb', line 69

def self.clear(queue = :failed)
  queues = queue ? Array(queue) : self.queues
  queues.each { |queue| data_store.clear_failed_queue(queue) }
end

.count(queue = nil, class_name = nil) ⇒ Object 



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# File 'lib/resque/failure/redis_multi_queue.rb', line 29

def self.count(queue = nil, class_name = nil)
  if queue
    if class_name
      n = 0
      each(0, count(queue), queue, class_name) { n += 1 } 
      n
    else
      data_store.num_failed(queue).to_i
    end
  else
    total = 0
    queues.each { |q| total += count(q) }
    total
  end
end

.data_store ⇒ Object 



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# File 'lib/resque/failure/redis_multi_queue.rb', line 11

def self.data_store
  Resque.data_store
end

.each(offset = 0, limit = self.count, queue = :failed, class_name = nil, order = 'desc') ⇒ Object 



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# File 'lib/resque/failure/redis_multi_queue.rb', line 53

def self.each(offset = 0, limit = self.count, queue = :failed, class_name = nil, order = 'desc')
  items = all(offset, limit, queue)
  items = [items] unless items.is_a? Array
  reversed = false
  if order.eql? 'desc'
    items.reverse!
    reversed = true
  end
  items.each_with_index do |item, i|
    if !class_name || (item['payload'] && item['payload']['class'] == class_name)
      id = reversed ? (items.length - 1) - (offset + i) : offset + i
      yield id, item
    end
  end
end

.queues ⇒ Object 



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# File 'lib/resque/failure/redis_multi_queue.rb', line 49

def self.queues
  data_store.failed_queue_names(:failed_queues)
end

.remove(id, queue = :failed) ⇒ Object 



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# File 'lib/resque/failure/redis_multi_queue.rb', line 81

def self.remove(id, queue = :failed)
  data_store.remove_from_queue(id,queue)
end

.remove_queue(queue) ⇒ Object 



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# File 'lib/resque/failure/redis_multi_queue.rb', line 94

def self.remove_queue(queue)
  data_store.remove_failed_queue(Resque::Failure.failure_queue_name(queue))
end

.requeue(id, queue = :failed) ⇒ Object 



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# File 'lib/resque/failure/redis_multi_queue.rb', line 74

def self.requeue(id, queue = :failed)
  item = all(id, 1, queue)
  item['retried_at'] = Time.now.strftime("%Y/%m/%d %H:%M:%S")
  data_store.update_item_in_failed_queue(id,Resque.encode(item),queue)
  Job.create(item['queue'], item['payload']['class'], *item['payload']['args'])
end

.requeue_all ⇒ Object 



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# File 'lib/resque/failure/redis_multi_queue.rb', line 90

def self.requeue_all
  queues.each { |queue| requeue_queue(Resque::Failure.job_queue_name(queue)) }
end

.requeue_queue(queue) ⇒ Object 



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# File 'lib/resque/failure/redis_multi_queue.rb', line 85

def self.requeue_queue(queue)
  failure_queue = Resque::Failure.failure_queue_name(queue)
  each(0, count(failure_queue), failure_queue) { |id, _| requeue(id, failure_queue) }
end

Instance Method Details

#data_store ⇒ Object 



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# File 'lib/resque/failure/redis_multi_queue.rb', line 7

def data_store
  Resque.data_store
end

#filter_backtrace(backtrace) ⇒ Object 



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# File 'lib/resque/failure/redis_multi_queue.rb', line 98

def filter_backtrace(backtrace)
  index = backtrace.index { |item| item.include?('/lib/resque/job.rb') }
  backtrace.first(index.to_i)
end

#save ⇒ Object 



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# File 'lib/resque/failure/redis_multi_queue.rb', line 15

def save
  data = {
    :failed_at => Time.now.strftime("%Y/%m/%d %H:%M:%S %Z"),
    :payload   => payload,
    :exception => exception.class.to_s,
    :error     => UTF8Util.clean(exception.to_s),
    :backtrace => filter_backtrace(Array(exception.backtrace)),
    :worker    => worker.to_s,
    :queue     => queue
  }
  data = Resque.encode(data)
  data_store.push_to_failed_queue(data,Resque::Failure.failure_queue_name(queue))
end