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192 lines
7.1 KiB
192 lines
7.1 KiB
7 months ago
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# Copyright 2015 The Chromium 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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# This module provides helper method to parse /etc/lsb-release file to extract
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# various information.
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import os
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import re
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import common
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from autotest_lib.client.cros import constants
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JETSTREAM_BOARDS = frozenset(['arkham', 'gale', 'mistral', 'whirlwind'])
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def _lsbrelease_search(regex, group_id=0, lsb_release_content=None):
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"""Searches /etc/lsb-release for a regex match.
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@param regex: Regex to match.
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@param group_id: The group in the regex we are searching for.
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Default is group 0.
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@param lsb_release_content: A string represents the content of lsb-release.
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If the caller is from drone, it can pass in the file content here.
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@returns the string in the specified group if there is a match or None if
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not found.
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@raises IOError if /etc/lsb-release can not be accessed.
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"""
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if lsb_release_content is None:
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with open(constants.LSB_RELEASE) as lsb_release_file:
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lsb_release_content = lsb_release_file.read()
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for line in lsb_release_content.split('\n'):
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m = re.match(regex, line)
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if m:
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return m.group(group_id)
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return None
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def get_current_board(lsb_release_content=None):
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"""Return the current board name.
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@param lsb_release_content: A string represents the content of lsb-release.
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If the caller is from drone, it can pass in the file content here.
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@return current board name, e.g "lumpy", None on fail.
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"""
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return _lsbrelease_search(r'^CHROMEOS_RELEASE_BOARD=(.+)$', group_id=1,
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lsb_release_content=lsb_release_content)
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def get_chromeos_channel(lsb_release_content=None):
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"""Get chromeos channel in device under test as string. None on fail.
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@param lsb_release_content: A string represents the content of lsb-release.
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If the caller is from drone, it can pass in the file content here.
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@return chromeos channel in device under test as string. None on fail.
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"""
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return _lsbrelease_search(
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r'^CHROMEOS_RELEASE_DESCRIPTION=.+ (.+)-channel.*$',
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group_id=1, lsb_release_content=lsb_release_content)
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def get_chromeos_release_version(lsb_release_content=None):
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"""Get chromeos version in device under test as string. None on fail.
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@param lsb_release_content: A string represents the content of lsb-release.
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If the caller is from drone, it can pass in the file content here.
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@return chromeos version in device under test as string. None on fail.
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"""
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return _lsbrelease_search(r'^CHROMEOS_RELEASE_VERSION=(.+)$', group_id=1,
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lsb_release_content=lsb_release_content)
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def get_chromeos_release_builder_path(lsb_release_content=None):
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"""Get chromeos builder path from device under test as string.
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@param lsb_release_content: A string representing the content of
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lsb-release. If the caller is from drone, it can pass in the file
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content here.
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@return chromeos builder path in device under test as string. None on fail.
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"""
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return _lsbrelease_search(r'^CHROMEOS_RELEASE_BUILDER_PATH=(.+)$',
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group_id=1,
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lsb_release_content=lsb_release_content)
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def get_chromeos_release_milestone(lsb_release_content=None):
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"""Get chromeos milestone in device under test as string. None on fail.
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@param lsb_release_content: A string represents the content of lsb-release.
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If the caller is from drone, it can pass in the file content here.
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@return chromeos release milestone in device under test as string.
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None on fail.
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"""
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return _lsbrelease_search(r'^CHROMEOS_RELEASE_CHROME_MILESTONE=(.+)$',
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group_id=1,
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lsb_release_content=lsb_release_content)
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def is_moblab(lsb_release_content=None):
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"""Return if we are running on a Moblab system or not.
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@param lsb_release_content: A string represents the content of lsb-release.
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If the caller is from drone, it can pass in the file content here.
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@return the board string if this is a Moblab device or None if it is not.
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"""
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if lsb_release_content is not None:
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return _lsbrelease_search(r'.*moblab',
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lsb_release_content=lsb_release_content)
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if os.path.exists(constants.LSB_RELEASE):
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return _lsbrelease_search(r'.*moblab')
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def is_jetstream(lsb_release_content=None):
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"""Parses lsb_contents to determine if the host is a Jetstream host.
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@param lsb_release_content: The string contents of lsb-release.
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If None, the local lsb-release is used.
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@return True if the host is a Jetstream device, otherwise False.
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"""
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board = get_current_board(lsb_release_content=lsb_release_content)
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return board in JETSTREAM_BOARDS
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def is_gce_board(lsb_release_content=None):
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"""Parses lsb_contents to determine if host is a GCE board.
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@param lsb_release_content: The string contents of lsb-release.
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If None, the local lsb-release is used.
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@return True if the host is a GCE board otherwise False.
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"""
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return is_lakitu(lsb_release_content=lsb_release_content)
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def is_lakitu(lsb_release_content=None):
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"""Parses lsb_contents to determine if host is lakitu.
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@param lsb_release_content: The string contents of lsb-release.
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If None, the local lsb-release is used.
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@return True if the host is lakitu otherwise False.
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"""
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board = get_current_board(lsb_release_content=lsb_release_content)
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if board is not None:
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return board.startswith('lakitu')
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return False
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def get_chrome_milestone(lsb_release_content=None):
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"""Get the value for the Chrome milestone.
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@param lsb_release_content: A string represents the content of lsb-release.
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If the caller is from drone, it can pass in the file content here.
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@return the value for the Chrome milestone
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"""
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return _lsbrelease_search(r'^CHROMEOS_RELEASE_CHROME_MILESTONE=(.+)$',
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group_id=1,
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lsb_release_content=lsb_release_content)
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def get_device_type(lsb_release_content=None):
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"""Get the device type string, e.g. "CHROMEBOOK" or "CHROMEBOX".
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@param lsb_release_content: A string represents the content of lsb-release.
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If the caller is from drone, it can pass in the file content here.
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@return the DEVICETYPE value for this machine.
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"""
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return _lsbrelease_search(r'^DEVICETYPE=(.+)$', group_id=1,
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lsb_release_content=lsb_release_content)
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def is_arc_available(lsb_release_content=None):
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"""Returns True if the device has ARC installed.
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@param lsb_release_content: A string represents the content of lsb-release.
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If the caller is from drone, it can pass in the file content here.
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@return True if the device has ARC installed.
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"""
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return (_lsbrelease_search(r'^CHROMEOS_ARC_VERSION',
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lsb_release_content=lsb_release_content)
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is not None)
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