gen_logrotate_conf.rb

# Generate logrotate conf for rails sites deployed with capistrano
# it scans current directory for rails site, it assumes that webserver is passenger
# cd /u/apps && ~/bin/gen_logrotate.rb

require 'etc'

Dir['*'].each do |entry|
  next unless File.directory? entry
  dir = File.expand_path entry
  log_dir = dir + "/shared/log"
  next unless File.directory? log_dir
  puts dir
  fstats = File.stat dir
  user = Etc.getpwuid(fstats.uid).name
  group = Etc.getgrgid(fstats.gid).name

  File.open "#{entry.tr('.', '_')}_conf", "w" do |out|
    out.write <<EOF
#{log_dir}/*.log {
        daily
        missingok
        rotate 5
        notifempty
        create 640 #{user} #{group}
        sharedscripts
        postrotate
                /bin/date >#{dir}/current/tmp/restart.txt
        endscript
}
EOF
  end
end