1# Copyright (c) 2013 The Chromium OS Authors. All rights reserved. 2# Use of this source code is governed by a BSD-style license that can be 3# found in the LICENSE file. 4 5 6from autotest_lib.client.cros import constants 7from autotest_lib.server.cros import provision 8 9 10# job_labels should be a string like "name:setting,name:setting" 11# non-provisionable labels are currently skipped, so they're safe to pass in. 12job_labels = locals().get('job_labels') or ','.join(args) 13labels_list = [label.strip() for label in job_labels.split(',') if label] 14 15 16def provision_machine(machine): 17 """ 18 Run the appropriate provisioning tests to make the machine's labels match 19 those given in job_labels. 20 """ 21 host = hosts.create_host(machine, try_lab_servo=True) 22 23 fixed, provisionable = provision.filter_labels(labels_list) 24 25 job.record('START', None, 'provision') 26 try: 27 job.sysinfo.add_logdir(constants.AUTOUPDATE_PRESERVE_LOG) 28 provision.run_special_task_actions(job, host, labels_list, 29 provision.Provision) 30 except Exception as e: 31 logging.exception(e) 32 job.record('END FAIL', None, 'provision') 33 # Raising a blank exception is done here because any message we can 34 # give here would be less useful than whatever the failing test left as 35 # its own exception message. 36 # 37 # The gory details of how raising a blank exception accomplishes this 38 # is as follows: 39 # 40 # The scheduler only looks at the return code of autoserv to see if 41 # the special task failed. Therefore we need python to exit because 42 # of an unhandled exception or because someone called sys.exit(1). 43 # 44 # We can't call sys.exit, since there's post-job-running logic (like 45 # cleanup) that we'd be skipping out on. So therefore, we need to 46 # raise an exception. However, if we raise an exception, this 47 # exception ends up triggering server_job to write an INFO line with 48 # job_abort_reason equal to str(e), which the tko parser then picks 49 # up as the reason field for the job when the status.log we generate is 50 # parsed as the job's results. 51 # 52 # So therefore, we raise a blank exception, which then generates an 53 # empty job_abort_reason which the tko parser ignores just inserts as 54 # a SERVER_JOB failure with no reason, which we then ignore at suite 55 # results reporting time. 56 raise Exception('') 57 else: 58 # If we finish successfully, nothing in autotest ever looks at the 59 # status.log, so it's purely for human consumption and tracability. 60 job.record('END GOOD', None, 'provision', 61 '%s provisioned successfully' % machine) 62 63 64job.parallel_simple(provision_machine, machines) 65 66# vim: set syntax=python : 67