Class: RailsHealthChecks::Checks::ResqueCheck

Inherits:
RailsHealthChecks::Check show all
Defined in:
lib/rails_health_checks/checks/resque_check.rb

Instance Attribute Summary

Attributes inherited from RailsHealthChecks::Check

#latency_ms, #message, #status

Instance Method Summary collapse

Constructor Details

#initialize(queue_size: nil) ⇒ ResqueCheck

Returns a new instance of ResqueCheck.



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# File 'lib/rails_health_checks/checks/resque_check.rb', line 6

def initialize(queue_size: nil)
  unless defined?(::Resque)
    raise LoadError, "Resque is not installed. Add `gem 'resque'` to your Gemfile to use the :resque check."
  end

  @queue_size = queue_size
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/rails_health_checks/checks/resque_check.rb', line 14

def call
  measure { ::Resque.redis.ping }

  if @queue_size
    depth = ::Resque.queues.sum { |q| ::Resque.size(q) }
    return warn_with("queue depth #{depth} exceeds threshold #{@queue_size}") if depth > @queue_size
  end

  pass
rescue StandardError => e
  fail_with(e.message)
end