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1# Copyright 2015 The Chromium 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
5import os
6
7import common
8from autotest_lib.client.bin import utils as common_utils
9from autotest_lib.client.common_lib.global_config import global_config
10
11
12# Name of the base container.
13BASE = global_config.get_config_value('AUTOSERV', 'container_base_name')
14
15# Path to folder that contains autotest code inside container.
16CONTAINER_AUTOTEST_DIR = '/usr/local/autotest'
17
18# Naming convention of the result directory in test container.
19RESULT_DIR_FMT = os.path.join(CONTAINER_AUTOTEST_DIR, 'results',
20                              '%s')
21# Attributes to retrieve about containers.
22ATTRIBUTES = ['name', 'state']
23
24SSP_ENABLED = global_config.get_config_value('AUTOSERV', 'enable_ssp_container',
25                                             type=bool, default=True)
26# url to the folder stores base container.
27CONTAINER_BASE_FOLDER_URL = global_config.get_config_value('AUTOSERV',
28                                                    'container_base_folder_url')
29CONTAINER_BASE_URL_FMT = '%s/%%s.tar.xz' % CONTAINER_BASE_FOLDER_URL
30CONTAINER_BASE_URL = CONTAINER_BASE_URL_FMT % BASE
31# Default directory used to store LXC containers.
32DEFAULT_CONTAINER_PATH = global_config.get_config_value('AUTOSERV',
33                                                        'container_path')
34# Default directory for host mounts
35DEFAULT_SHARED_HOST_PATH = global_config.get_config_value(
36        'AUTOSERV',
37        'container_shared_host_path')
38
39# The name of the linux domain socket used by the container pool.  Just one
40# exists, so this is just a hard-coded string.
41DEFAULT_CONTAINER_POOL_SOCKET = 'container_pool_socket'
42
43# Default size for the lxc container pool.
44DEFAULT_CONTAINER_POOL_SIZE = 20
45
46# Location of the host mount point in the container.
47CONTAINER_HOST_DIR = '/host'
48
49# Path to drone_temp folder in the container, which stores the control file for
50# test job to run.
51CONTROL_TEMP_PATH = os.path.join(CONTAINER_AUTOTEST_DIR, 'drone_tmp')
52
53# Bash command to return the file count in a directory. Test the existence first
54# so the command can return an error code if the directory doesn't exist.
55COUNT_FILE_CMD = '[ -d %(dir)s ] && ls %(dir)s | wc -l'
56
57# Seconds to wait for successful completion of a lxc force-destroy
58LXC_SCRUB_TIMEOUT = 300
59
60# Command line to append content to a file
61APPEND_CMD_FMT = ('echo \'%(content)s\' | sudo tee --append %(file)s'
62                  '> /dev/null')
63
64# Flag to indicate it's running in a Moblab. Due to crbug.com/457496, lxc-ls has
65# different behavior in Moblab.
66IS_MOBLAB = common_utils.is_moblab()
67
68if IS_MOBLAB:
69    SITE_PACKAGES_PATH = '/usr/lib64/python2.7/site-packages'
70    CONTAINER_SITE_PACKAGES_PATH = '/usr/local/lib/python2.7/dist-packages/'
71else:
72    SITE_PACKAGES_PATH = os.path.join(common.autotest_dir, 'site-packages')
73    CONTAINER_SITE_PACKAGES_PATH = os.path.join(CONTAINER_AUTOTEST_DIR,
74                                                'site-packages')
75
76# This is an alternate site_packages that is built to be Trusty
77# compatible.  crbug.com/1013241
78TRUSTY_SITE_PACKAGES_PATH = '/opt/trusty_site_packages'
79
80# TODO(dshi): If we are adding more logic in how lxc should interact with
81# different systems, we should consider code refactoring to use a setting-style
82# object to store following flags mapping to different systems.
83SUPPORT_SNAPSHOT_CLONE = True
84
85# Number of seconds to wait for network to be up in a container.
86NETWORK_INIT_TIMEOUT = 300
87# Network bring up is slower in Moblab.
88NETWORK_INIT_CHECK_INTERVAL = 1 if IS_MOBLAB else 0.1
89
90# Number of seconds to download files from devserver. We chose a timeout that
91# is on the same order as the permitted CTS runtime for normal jobs (1h). In
92# principle we should not retry timeouts as they indicate server/network
93# overload, but we may be tempted to retry for other failures.
94DEVSERVER_CALL_TIMEOUT = 3600
95# Number of retries to download files from devserver. There is no point in
96# having more than one retry for a file download.
97DEVSERVER_CALL_RETRY = 2
98# Average delay before attempting a retry to download from devserver. This
99# value needs to be large enough to allow an overloaded server/network to
100# calm down even in the face of retries.
101DEVSERVER_CALL_DELAY = 600
102
103# Type string for container related metadata.
104CONTAINER_CREATE_METADB_TYPE = 'container_create'
105CONTAINER_CREATE_RETRY_METADB_TYPE = 'container_create_retry'
106CONTAINER_RUN_TEST_METADB_TYPE = 'container_run_test'
107
108# The container's hostname MUST start with `test-` or `test_`. DHCP server in
109# MobLab uses that prefix to determine the lease time.  Note that `test_` is not
110# a valid hostname as hostnames cannot contain underscores.  Work is underway to
111# migrate to `test-`.  See crbug/726131.
112CONTAINER_UTSNAME_FORMAT = 'test-%s'
113
114STATS_KEY = 'chromeos/autotest/lxc'
115
116CONTAINER_POOL_METRICS_PREFIX = 'chromeos/autotest/container_pool'
117