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Build Status

Goals

  • Simplest code possible to daemonize code, redirect output and manage the pidfile.

Usage

require 'forker'
Forker.fork!(
  :log   => "/dev/null",                         # Default value
  :pid   => "/var/run/#{File.basename($0)}.pid", # Default value
  :chdir => false,                               # Default value
  :umask => false                                # Default value
)

# Do stuff in daemonized proc...

Or for a simple start/stop script

#!/usr/bin/env ruby
# Example usage from command line:
# ./bin/myscript start --logfile LOGFILE --pidfile PIDFILE
# ./bin/myscript stop  --logfile LOGFILE --pidfile PIDFILE

require 'forker'
Forker::CLI.run(ARGV)

Example bin/worker script for Resque

#!/usr/bin/env ruby

# Simulate calling rake environment
$rails_rake_task = true

# Load rails env
require File.expand_path("../config/environment", File.dirname(__FILE__))

require 'forker'
Forker::CLI.run(ARGV)

worker = nil
queues = (ENV['QUEUES'] || ENV['QUEUE'] || '*').to_s.split(',')

begin
  worker = Resque::Worker.new(*queues)
  worker.verbose = ENV['LOGGING'] || ENV['VERBOSE']
  worker.very_verbose = ENV['VVERBOSE']
rescue Resque::NoQueueError
  abort "set QUEUE env var, e.g. $ QUEUE=critical,high,low rake resque:work"
end

puts "*** Starting worker in #{ENV['RAILS_ENV']} environment: #{worker}"

worker.work(ENV['INTERVAL'] || 5) # interval, will block