1 # Copyright 2016 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 import logging 6 import sys 7 8 from autotest_lib.client.common_lib import error 9 from autotest_lib.server import afe_utils 10 from autotest_lib.server import test 11 12 13 class provision_TestbedUpdate(test.test): 14 """A test that can provision a machine to the correct Android version.""" 15 version = 1 16 17 def _builds_to_set(self, builds): 18 """Helper function to convert a build string into a set of builds. 19 20 @param builds: Testbed build string to convert into a set. 21 22 @returns: A set of the different builds in the build string. 23 """ 24 result = set() 25 if not builds: 26 return result 27 builds = builds.split(',') 28 for build in builds: 29 # Remove any build multipliers, i.e. <build>#2 30 build = build.split('#')[0] 31 result.add(build) 32 return result 33 34 35 def initialize(self, host, value, force=False, is_test_na=False, 36 repair=False): 37 """Initialize. 38 39 @param host: The testbed object to update to |value|. 40 NOTE: This arg must be called host to align with the other 41 provision actions. 42 @param value: String of the image we want to install on the testbed. 43 @param force: not used by initialize. 44 @param is_test_na: boolean, if True, will simply skip the test 45 and emit TestNAError. The control file 46 determines whether the test should be skipped 47 and passes the decision via this argument. Note 48 we can't raise TestNAError in control file as it won't 49 be caught and handled properly. 50 @param repair: not used by initialize. 51 """ 52 if is_test_na: 53 raise error.TestNAError('Provisioning not applicable.') 54 # We check value in initialize so that it fails faster. 55 if not (value or repair): 56 raise error.TestFail('No build version specified.') 57 58 59 def run_once(self, host, value=None, force=False, repair=False): 60 """The method called by the control file to start the test. 61 62 @param host: The testbed object to update to |value|. 63 NOTE: This arg must be called host to align with the other 64 provision actions. 65 @param value: The testbed object to provision with a build 66 corresponding to |value|. 67 @param force: True iff we should re-provision the machine regardless of 68 the current image version. If False and the image 69 version matches our expected image version, no 70 provisioning will be done. 71 @param repair: Not yet supported for testbeds. 72 73 """ 74 testbed = host 75 logging.debug('Start provisioning %s to %s', testbed, value) 76 77 if not value and not repair: 78 raise error.TestFail('No build provided and this is not a repair ' 79 ' job.') 80 81 if not force: 82 info = testbed.host_info_store.get() 83 # If the host is already on the correct build, we have nothing to 84 # do. 85 if self._builds_to_set(info.build) == self._builds_to_set(value): 86 # We can't raise a TestNA, as would make sense, as that makes 87 # job.run_test return False as if the job failed. However, it'd 88 # still be nice to get this into the status.log, so we manually 89 # emit an INFO line instead. 90 self.job.record('INFO', None, None, 91 'Testbed already running %s' % value) 92 return 93 94 try: 95 afe_utils.machine_install_and_update_labels( 96 host, image=value) 97 except error.InstallError as e: 98 logging.error(e) 99 raise error.TestFail, str(e), sys.exc_info()[2] 100 logging.debug('Finished provisioning %s to %s', host, value) 101
