19 def host_in_lab(host):  argument
31     if not host.job or not host.job.in_lab:
33     return AFE.get_hosts(hostname=host.hostname)
36 def get_build(host):  argument
46     if not host_in_lab(host):
48     return utils.get_build_from_afe(host.hostname, AFE)
51 def get_board(host):  argument
60     if not host_in_lab(host):
62     return utils.get_board_from_afe(host.hostname, AFE)
65 def clear_version_labels(host):  argument
70     if not host_in_lab(host):
73     host_list = [host.hostname]
75             name__startswith=host.VERSION_PREFIX,
76             host__hostname=host.hostname)
82 def add_version_label(host, image_name):  argument
88     if not host_in_lab(host):
90     label = '%s:%s' % (host.VERSION_PREFIX, image_name)
91     AFE.run('label_add_hosts', id=label, hosts=[host.hostname])
94 def machine_install_and_update_labels(host, *args, **dargs):  argument
101     clear_version_labels(host)
102     image_name = host.machine_install(*args, **dargs)
103     add_version_label(host, image_name)