new_contents: #!/usr/bin/python
  
  # modified from:
  # https://github.com/kbsingh/centos-ci-scripts/blob/master/build_python_script.py
  # usage: centos-ci.py giturl [branch [commands]]
  
  import os
  import sys
  import json
  import urllib
  import subprocess
  
  url_base = 'http://admin.ci.centos.org:8080'
  apikey = open('duffy.key', 'r').read().strip()
  ver = '7'
  arch = 'x86_64'
  count = 1
  
  git_url = sys.argv[1]
  branch = 'master'
  if len(sys.argv) > 2: branch = sys.argv[2]
  folder = os.path.splitext(os.path.basename(__file__))[0]
  run = 'make test' # the omv vtest command is a good option too
  if len(sys.argv) > 3: run = ' '.join(sys.argv[3:])
  
  get_nodes_url = "%s/Node/get?key=%s&ver=%s&arch=%s&i_count=%s" % (url_base, apikey, ver, arch, count)
  data = json.loads(urllib.urlopen(get_nodes_url).read()) # request host(s)
  hosts = data['hosts']
  ssid = data['ssid']
  done_nodes_url = "%s/Node/done?key=%s&ssid=%s" % (url_base, apikey, ssid)
  
  host = hosts[0]
  ssh = "ssh -t -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no root@%s" % host
  yum = 'yum -y install git wget'
  omv = 'wget https://github.com/purpleidea/oh-my-vagrant/raw/master/extras/install-omv.sh && chmod u+x install-omv.sh && ./install-omv.sh'
  cmd = "%s '%s && %s'" % (ssh, yum, omv) # setup
  print cmd
  r = subprocess.call(cmd, shell=True)
  
  # the second ssh call will run with the omv /etc/profile.d/ script loaded
  git = "git clone --recursive %s %s && cd %s && git checkout %s" % (git_url, folder, folder, branch)
  cmd = "%s '%s && %s'" % (ssh, git, run) # run
  print cmd
  r = subprocess.call(cmd, shell=True)
  
  output = urllib.urlopen(done_nodes_url).read() # free host(s)
  if output != 'Done':
  	print "Error freeing host: %s" % host
  
  sys.exit(r)
  
subject: Add handy centos-ci python script