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115 lines
4.5 KiB
115 lines
4.5 KiB
# Lint as: python2, python3
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# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Utility classes used by server_job.distribute_across_machines().
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test_item: extends the basic test tuple to add include/exclude attributes and
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pre/post actions.
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"""
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import logging, os, six.moves.queue
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from autotest_lib.client.common_lib import error, utils
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from autotest_lib.server import autotest, hosts, host_attributes
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class test_item(object):
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"""Adds machine verification logic to the basic test tuple.
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Tests can either be tuples of the existing form ('testName', {args}) or the
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extended form ('testname', {args}, {'include': [], 'exclude': [],
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'attributes': []}) where include and exclude are lists of host attribute
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labels and attributes is a list of strings. A machine must have all the
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labels in include and must not have any of the labels in exclude to be valid
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for the test. Attributes strings can include reboot_before, reboot_after,
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and server_job.
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"""
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def __init__(self, test_name, test_args, test_attribs=None):
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"""Creates an instance of test_item.
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Args:
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test_name: string, name of test to execute.
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test_args: dictionary, arguments to pass into test.
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test_attribs: Dictionary of test attributes. Valid keys are:
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include - labels a machine must have to run a test.
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exclude - labels preventing a machine from running a test.
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attributes - reboot before/after test, run test as server job.
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"""
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self.test_name = test_name
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self.test_args = test_args
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self.tagged_test_name = test_name
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if test_args.get('tag'):
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self.tagged_test_name = test_name + '.' + test_args.get('tag')
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if test_attribs is None:
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test_attribs = {}
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self.inc_set = set(test_attribs.get('include', []))
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self.exc_set = set(test_attribs.get('exclude', []))
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self.attributes = test_attribs.get('attributes', [])
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def __str__(self):
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"""Return an info string of this test."""
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params = ['%s=%s' % (k, v) for k, v in self.test_args.items()]
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msg = '%s(%s)' % (self.test_name, params)
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if self.inc_set:
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msg += ' include=%s' % [s for s in self.inc_set]
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if self.exc_set:
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msg += ' exclude=%s' % [s for s in self.exc_set]
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if self.attributes:
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msg += ' attributes=%s' % self.attributes
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return msg
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def validate(self, machine_attributes):
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"""Check if this test can run on machine with machine_attributes.
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If the test has include attributes, a candidate machine must have all
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the attributes to be valid.
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If the test has exclude attributes, a candidate machine cannot have any
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of the attributes to be valid.
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Args:
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machine_attributes: set, True attributes of candidate machine.
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Returns:
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True/False if the machine is valid for this test.
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"""
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if self.inc_set is not None:
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if not self.inc_set <= machine_attributes:
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return False
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if self.exc_set is not None:
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if self.exc_set & machine_attributes:
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return False
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return True
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def run_test(self, client_at, work_dir='.', server_job=None):
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"""Runs the test on the client using autotest.
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Args:
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client_at: Autotest instance for this host.
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work_dir: Directory to use for results and log files.
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server_job: Server_Job instance to use to runs server tests.
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"""
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if 'reboot_before' in self.attributes:
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client_at.host.reboot()
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try:
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if 'server_job' in self.attributes:
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if 'host' in self.test_args:
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self.test_args['host'] = client_at.host
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if server_job is not None:
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logging.info('Running Server_Job=%s', self.test_name)
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server_job.run_test(self.test_name, **self.test_args)
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else:
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logging.error('No Server_Job instance provided for test '
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'%s.', self.test_name)
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else:
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client_at.run_test(self.test_name, results_dir=work_dir,
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**self.test_args)
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finally:
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if 'reboot_after' in self.attributes:
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client_at.host.reboot()
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