kill_racks.rb

time = ARGV[0]
dry_run = ARGV[1] == '--dry'
puts "Killing stale servers older than #{time}"
puts "***DRY RUN***" if dry_run

output = `for i in {1..36}; do echo web$i; ssh deploy@web$i.housetrip.com "ps aux | grep [R]ack" | grep -v "#{time}" | awk '{ print $2 }'; done`

server = nil

output.split("\n").each do |line|
  if line =~ /web/
    server = line
  else
    next unless server

    puts "Executing: ssh deploy@#{server}.housetrip.com 'kill #{line}'"
    `ssh deploy@#{server}.housetrip.com 'kill #{line}'` unless dry_run
  end
end