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mperham--sidekiq/lib/sidekiq/cli.rb

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trap 'INT' do
# Handle Ctrl-C in JRuby like MRI
# http://jira.codehaus.org/browse/JRUBY-4637
Thread.main.raise Interrupt
end
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trap 'TERM' do
# Heroku sends TERM and then waits 10 seconds for process to exit.
Thread.main.raise Interrupt
end
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require 'optparse'
require 'sidekiq/version'
require 'sidekiq/util'
require 'sidekiq/redis_connection'
require 'sidekiq/manager'
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module Sidekiq
class CLI
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include Util
# Used for CLI testing
attr_accessor :options, :code
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def initialize
@code = nil
end
def parse(args=ARGV)
Sidekiq::Util.logger
@options = {
:queues => [],
:concurrency => 25,
:require => '.',
:environment => nil,
}
cli = parse_options(args)
config = parse_config(cli)
@options.merge!(config.merge(cli))
set_logger_level_to_debug if @options[:verbose]
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write_pid
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validate!
boot_system
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end
def run
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Sidekiq.redis = RedisConnection.create(:url => @options[:server], :namespace => @options[:namespace])
manager = Sidekiq::Manager.new(@options)
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begin
logger.info 'Starting processing, hit Ctrl-C to stop'
manager.start!
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# HACK need to determine how to pause main thread while
# waiting for signals.
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sleep
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rescue Interrupt
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# TODO Need clean shutdown support from Celluloid
logger.info 'Shutting down'
manager.stop!
manager.wait(:shutdown)
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end
end
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private
def die(code)
exit(code)
end
def detected_environment
@options[:environment] ||= ENV['RAILS_ENV'] || ENV['RACK_ENV'] || 'development'
end
def boot_system
ENV['RACK_ENV'] = ENV['RAILS_ENV'] = detected_environment
raise ArgumentError, "#{@options[:require]} does not exist" unless File.exist?(@options[:require])
if File.directory?(@options[:require])
require File.expand_path("#{@options[:require]}/config/environment.rb")
::Rails.application.eager_load!
else
require @options[:require]
end
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end
def validate!
@options[:queues] << 'default' if @options[:queues].empty?
@options[:queues].shuffle!
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if !File.exist?(@options[:require]) ||
(File.directory?(@options[:require]) && !File.exist?("#{@options[:require]}/config/application.rb"))
logger.info "=================================================================="
logger.info " Please point sidekiq to a Rails 3 application or a Ruby file "
logger.info " to load your worker classes with -r [DIR|FILE]."
logger.info "=================================================================="
logger.info @parser
die(1)
end
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end
def parse_options(argv)
opts = {}
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@parser = OptionParser.new do |o|
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o.on "-q", "--queue QUEUE,WEIGHT", "Queue to process, with optional weight" do |arg|
(q, weight) = arg.split(",")
parse_queues(q, weight)
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end
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o.on "-v", "--verbose", "Print more verbose output" do
set_logger_level_to_debug
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end
o.on "-n", "--namespace NAMESPACE", "namespace worker queues are under" do |arg|
opts[:namespace] = arg
end
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o.on "-s", "--server LOCATION", "Where to find Redis" do |arg|
opts[:server] = arg
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end
o.on '-e', '--environment ENV', "Application environment" do |arg|
opts[:environment] = arg
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end
o.on '-r', '--require [PATH|DIR]', "Location of Rails application with workers or file to require" do |arg|
opts[:require] = arg
end
o.on '-c', '--concurrency INT', "processor threads to use" do |arg|
opts[:concurrency] = arg.to_i
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end
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o.on '-P', '--pidfile PATH', "path to pidfile" do |arg|
opts[:pidfile] = arg
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end
o.on '-C', '--config PATH', "path to YAML config file" do |arg|
opts[:config_file] = arg
end
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end
@parser.banner = "sidekiq [options]"
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@parser.on_tail "-h", "--help", "Show help" do
logger.info @parser
die 1
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end
@parser.parse!(argv)
opts
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end
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def write_pid
if path = @options[:pidfile]
File.open(path, 'w') do |f|
f.puts Process.pid
end
end
end
def parse_config(cli)
opts = {}
if cli[:config_file] && File.exist?(cli[:config_file])
require 'yaml'
opts = YAML.load_file cli[:config_file]
queues = opts.delete(:queues) || []
if @options[:queues].empty?
queues.each { |pair| parse_queues(*pair) }
end
end
opts
end
def parse_queues(q, weight)
(weight || 1).to_i.times do
@options[:queues] << q
end
end
def set_logger_level_to_debug
Sidekiq::Util.logger.level = Logger::DEBUG
end
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end
end