1# Copyright (c) 2012 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
6""" The autotest performing FW update, both EC and AP."""
7
8from __future__ import print_function
9
10import logging
11
12from autotest_lib.server import test
13
14
15class provision_FirmwareUpdate(test.test):
16    """A test that can provision a machine to the correct firmware version."""
17
18    version = 1
19
20    def stage_image_to_usb(self, host):
21        """Stage the current ChromeOS image on the USB stick connected to the
22        servo.
23
24        @param host:  a CrosHost object of the machine to update.
25        """
26        info = host.host_info_store.get()
27        if not info.build:
28            logging.warning('Failed to get build label from the DUT, skip '
29                            'staging ChromeOS image on the servo USB stick.')
30        else:
31            _, update_url = host.stage_image_for_servo(info.build)
32            host.servo.image_to_servo_usb(update_url)
33            logging.debug('ChromeOS image %s is staged on the USB stick.',
34                          info.build)
35
36    def run_once(self, host, value, rw_only=False, stage_image_to_usb=False,
37                 fw_path=None):
38        """The method called by the control file to start the test.
39
40        @param host:  a CrosHost object of the machine to update.
41        @param value: the provisioning value, which is the build version
42                      to which we want to provision the machine,
43                      e.g. 'link-firmware/R22-2695.1.144'.
44        @param rw_only: True to only update the RW firmware.
45        @param stage_image_to_usb: True to stage the current ChromeOS image on
46                the USB stick connected to the servo. Default is False.
47        @param fw_path: Path to local firmware image for installing without
48                        devserver.
49
50        @raise TestFail: if the firmware version remains unchanged.
51        """
52
53        try:
54            host.repair_servo()
55
56            # Stage the current CrOS image to servo USB stick.
57            if stage_image_to_usb:
58                self.stage_image_to_usb(host)
59
60            host.firmware_install(build=value,
61                                  rw_only=rw_only,
62                                  dest=self.resultsdir,
63                                  local_tarball=fw_path,
64                                  verify_version=True,
65                                  try_scp=True)
66        except Exception as e:
67            logging.error(e)
68            raise