module SidekiqLiveness

# File lib/sidekiq_liveness.rb, line 24
def self.alive?
  process = Sidekiq::ProcessSet.new.find { |p| p["pid"] == ::Process.ppid }
  return false unless process

  process["beat"] > (Time.now.to_i - 15)
end

# File lib/sidekiq_liveness.rb, line 9
def self.start
  Sidekiq.configure_server do |config|
    config.on(:startup) do
      @server_pid = fork do
        SidekiqLiveness::Server.run!
      end
    end

    at_exit do
      Process.kill("TERM", @server_pid) unless @server_pid.nil?
      Process.wait(@server_pid) unless @server_pid.nil?
    end
  end
end