Capistrano receipt configure logrotate

ext.rb

namespace :deploy do

  desc "Configure logrotate"
  task :logrotate, :roles => :install do
    config_file = "/etc/logrotate.d/app_#{rails_env}"
    config_lines = ["daily",
                    "rotate 10",
                    "missingok",
                    "nocompress",
                    "sharedscripts",
                    "postrotate",
                    "  touch #{current_path}/tmp/restart.txt",
                    "endscript"
                    ]
    command_string = "echo '#{shared_path}/log/*.log {' > #{config_file}" if config_lines
    config_lines.each { |line|
      command_string << "; echo '#{line}' >> #{config_file}"
    }
    command_string << "; echo '}' >> #{config_file}" if config_lines
    sudo "sh -c \"#{command_string}\"", :pty => true
  end
end