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1# Lint as: python2, python3
2# Copyright 2021 The Chromium OS Authors. All rights reserved.
3# Use of this source code is governed by a BSD-style license that can be
4# found in the LICENSE file.
5
6import logging
7
8from autotest_lib.client.common_lib.cros import dev_server
9from autotest_lib.client.common_lib.cros import kernel_utils
10from autotest_lib.server.cros import provisioner
11from autotest_lib.server.cros.update_engine import update_engine_test
12
13
14class autoupdate_Lacros(update_engine_test.UpdateEngineTest):
15    """Performs a simple AU test and checks lacros."""
16    version = 1
17
18    def cleanup(self):
19        super(autoupdate_Lacros, self).cleanup()
20
21    def run_once(self,
22                 full_payload,
23                 job_repo_url=None,
24                 m2n=False,
25                 running_at_desk=False):
26        """
27        Performs autoupdate with Nebraska and checks rootfs-lacros.
28
29        @param full_payload: True for full payload, False for delta
30        @param job_repo_url: A url pointing to the devserver where the autotest
31            package for this build should be staged.
32        @param running_at_desk: Indicates test is run locally from workstation.
33                                Flag does not work with M2N tests.
34
35        """
36        if m2n:
37            # Provision latest stable build for the current board.
38            build_name = self._get_latest_serving_stable_build()
39            logging.debug('build name is %s', build_name)
40
41            # Install the matching build with quick provision.
42            autotest_devserver = dev_server.ImageServer.resolve(
43                    build_name, self._host.hostname)
44            update_url = autotest_devserver.get_update_url(build_name)
45            logging.info('Installing source image with update url: %s',
46                         update_url)
47            provisioner.ChromiumOSProvisioner(
48                    update_url, host=self._host,
49                    is_release_bucket=True).run_provision()
50
51        # Login and check rootfs-lacros version
52        self._run_client_test_and_check_result('desktopui_RootfsLacros',
53                                               tag='before')
54        before_version = self._host.run(['cat',
55                                         '/tmp/lacros_version.txt']).stdout
56        logging.info('rootfs-lacros version before update: %s', before_version)
57
58        # Get a payload to use for the test.
59        payload_url = self.get_payload_for_nebraska(
60                job_repo_url,
61                full_payload=full_payload,
62                public_bucket=running_at_desk)
63
64        # Record DUT state before the update.
65        active, inactive = kernel_utils.get_kernel_state(self._host)
66
67        # Perform the update.
68        self._run_client_test_and_check_result('autoupdate_CannedOmahaUpdate',
69                                               payload_url=payload_url)
70
71        # Verify the update completed successfully.
72        self._host.reboot()
73        kernel_utils.verify_boot_expectations(inactive, host=self._host)
74        rootfs_hostlog, _ = self._create_hostlog_files()
75        self.verify_update_events(self._FORCED_UPDATE, rootfs_hostlog)
76
77        # Check the rootfs-lacros version again.
78        self._run_client_test_and_check_result('desktopui_RootfsLacros',
79                                               tag='after',
80                                               dont_override_profile=True)
81        after_version = self._host.run(['cat',
82                                        '/tmp/lacros_version.txt']).stdout
83        logging.info('rootfs-lacros version after update: %s', after_version)
84