Stop all thin servers on deploy

deploy.rb

before 'foreman:restart', 'foreman:thin_stop'

namespace :foreman do
  desc "Stop thin servers"
  task :thin_stop, :roles => :app do
    rake = fetch(:rake, 'rake')
    rails_env = fetch(:rails_env, 'production')
    run "cd '#{current_path}' && #{rake} thin:stop RAILS_ENV=#{rails_env}"
  end

  .
  .
  .
end

stop_thin.rake

def find_and_kill name
  Dir.glob("#{Rails.root}/tmp/pids/#{name}*").each do |file|     
    pid = File.read(file).to_i
    puts "killing thin server with pid #{pid}"
    Process.kill "INT", pid
  end
end

namespace :thin do
  desc "Stop thin servers"
    
  task :stop => :environment do
    find_and_kill "thin"
  end
end