foodsoft/lib/tasks/resque.rake

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require "resque/tasks"
def run_worker(queue, count = 1)
puts "Starting #{count} worker(s) with QUEUE: #{queue}"
ops = { :pgroup => true, :err => ["log/resque_worker_foodsoft_notifier.log", "a"],
:out => ["log/resque_worker_foodsoft_notifier.log", "a"] }
env_vars = { "QUEUE" => queue.to_s, "PIDFILE" => "tmp/pids/resque_worker_foodsoft_notifier.pid" }
count.times {
## Using Kernel.spawn and Process.detach because regular system() call would
## cause the processes to quit when capistrano finishes
pid = spawn(env_vars, "bundle exec rake resque:work", ops)
Process.detach(pid)
}
end
namespace :resque do
task :setup => :environment
desc "Restart running workers"
task :restart_workers do
Rake::Task['resque:stop_workers'].invoke
Rake::Task['resque:start_workers'].invoke
end
desc "Quit running workers"
task :stop_workers do
pids = File.read('tmp/pids/resque_worker_foodsoft_notifier.pid').split("\n")
if pids.empty?
puts "No workers to kill"
else
syscmd = "kill -s QUIT #{pids.join(' ')}"
puts "Running syscmd: #{syscmd}"
system(syscmd)
end
end
desc "Start workers"
task :start_workers do
run_worker("foodsoft_notifier")
end
end