Files
edx-platform/cms/envs/aws.py
Ned Batchelder 2a0259095d Change imports from path to use the stablest name.
The old line:

    from path import path

produced pylint errors because of the baroque way that path.py defined
"path".  We tried to get them to change how they defined it, but they
deleted the name instead: https://github.com/jaraco/path.py/issues/102

(Jason then changed his mind, but this is a better way to use path.py,
it avoids the pylint error at least.)
2015-08-27 12:59:25 -04:00

359 lines
14 KiB
Python

"""
This is the default template for our main set of AWS servers.
"""
# We intentionally define lots of variables that aren't used, and
# want to import all variables from base settings files
# pylint: disable=wildcard-import, unused-wildcard-import
# Pylint gets confused by path.py instances, which report themselves as class
# objects. As a result, pylint applies the wrong regex in validating names,
# and throws spurious errors. Therefore, we disable invalid-name checking.
# pylint: disable=invalid-name
import json
from .common import *
from openedx.core.lib.logsettings import get_logger_config
import os
from path import Path as path
from xmodule.modulestore.modulestore_settings import convert_module_store_setting_if_needed
# SERVICE_VARIANT specifies name of the variant used, which decides what JSON
# configuration files are read during startup.
SERVICE_VARIANT = os.environ.get('SERVICE_VARIANT', None)
# CONFIG_ROOT specifies the directory where the JSON configuration
# files are expected to be found. If not specified, use the project
# directory.
CONFIG_ROOT = path(os.environ.get('CONFIG_ROOT', ENV_ROOT))
# CONFIG_PREFIX specifies the prefix of the JSON configuration files,
# based on the service variant. If no variant is use, don't use a
# prefix.
CONFIG_PREFIX = SERVICE_VARIANT + "." if SERVICE_VARIANT else ""
############### ALWAYS THE SAME ################################
DEBUG = False
TEMPLATE_DEBUG = False
EMAIL_BACKEND = 'django_ses.SESBackend'
SESSION_ENGINE = 'django.contrib.sessions.backends.cache'
# IMPORTANT: With this enabled, the server must always be behind a proxy that
# strips the header HTTP_X_FORWARDED_PROTO from client requests. Otherwise,
# a user can fool our server into thinking it was an https connection.
# See
# https://docs.djangoproject.com/en/dev/ref/settings/#secure-proxy-ssl-header
# for other warnings.
SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
###################################### CELERY ################################
# Don't use a connection pool, since connections are dropped by ELB.
BROKER_POOL_LIMIT = 0
BROKER_CONNECTION_TIMEOUT = 1
# For the Result Store, use the django cache named 'celery'
CELERY_RESULT_BACKEND = 'djcelery.backends.cache:CacheBackend'
# When the broker is behind an ELB, use a heartbeat to refresh the
# connection and to detect if it has been dropped.
BROKER_HEARTBEAT = 10.0
BROKER_HEARTBEAT_CHECKRATE = 2
# Each worker should only fetch one message at a time
CELERYD_PREFETCH_MULTIPLIER = 1
# Skip djcelery migrations, since we don't use the database as the broker
SOUTH_MIGRATION_MODULES = {
'djcelery': 'ignore',
}
# Rename the exchange and queues for each variant
QUEUE_VARIANT = CONFIG_PREFIX.lower()
CELERY_DEFAULT_EXCHANGE = 'edx.{0}core'.format(QUEUE_VARIANT)
HIGH_PRIORITY_QUEUE = 'edx.{0}core.high'.format(QUEUE_VARIANT)
DEFAULT_PRIORITY_QUEUE = 'edx.{0}core.default'.format(QUEUE_VARIANT)
LOW_PRIORITY_QUEUE = 'edx.{0}core.low'.format(QUEUE_VARIANT)
CELERY_DEFAULT_QUEUE = DEFAULT_PRIORITY_QUEUE
CELERY_DEFAULT_ROUTING_KEY = DEFAULT_PRIORITY_QUEUE
CELERY_QUEUES = {
HIGH_PRIORITY_QUEUE: {},
LOW_PRIORITY_QUEUE: {},
DEFAULT_PRIORITY_QUEUE: {}
}
############# NON-SECURE ENV CONFIG ##############################
# Things like server locations, ports, etc.
with open(CONFIG_ROOT / CONFIG_PREFIX + "env.json") as env_file:
ENV_TOKENS = json.load(env_file)
# STATIC_URL_BASE specifies the base url to use for static files
STATIC_URL_BASE = ENV_TOKENS.get('STATIC_URL_BASE', None)
if STATIC_URL_BASE:
# collectstatic will fail if STATIC_URL is a unicode string
STATIC_URL = STATIC_URL_BASE.encode('ascii')
if not STATIC_URL.endswith("/"):
STATIC_URL += "/"
STATIC_URL += EDX_PLATFORM_REVISION + "/"
# GITHUB_REPO_ROOT is the base directory
# for course data
GITHUB_REPO_ROOT = ENV_TOKENS.get('GITHUB_REPO_ROOT', GITHUB_REPO_ROOT)
# STATIC_ROOT specifies the directory where static files are
# collected
STATIC_ROOT_BASE = ENV_TOKENS.get('STATIC_ROOT_BASE', None)
if STATIC_ROOT_BASE:
STATIC_ROOT = path(STATIC_ROOT_BASE) / EDX_PLATFORM_REVISION
EMAIL_BACKEND = ENV_TOKENS.get('EMAIL_BACKEND', EMAIL_BACKEND)
EMAIL_FILE_PATH = ENV_TOKENS.get('EMAIL_FILE_PATH', None)
EMAIL_HOST = ENV_TOKENS.get('EMAIL_HOST', EMAIL_HOST)
EMAIL_PORT = ENV_TOKENS.get('EMAIL_PORT', EMAIL_PORT)
EMAIL_USE_TLS = ENV_TOKENS.get('EMAIL_USE_TLS', EMAIL_USE_TLS)
LMS_BASE = ENV_TOKENS.get('LMS_BASE')
# Note that FEATURES['PREVIEW_LMS_BASE'] gets read in from the environment file.
SITE_NAME = ENV_TOKENS['SITE_NAME']
LOG_DIR = ENV_TOKENS['LOG_DIR']
CACHES = ENV_TOKENS['CACHES']
# Cache used for location mapping -- called many times with the same key/value
# in a given request.
if 'loc_cache' not in CACHES:
CACHES['loc_cache'] = {
'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
'LOCATION': 'edx_location_mem_cache',
}
SESSION_COOKIE_DOMAIN = ENV_TOKENS.get('SESSION_COOKIE_DOMAIN')
SESSION_COOKIE_HTTPONLY = ENV_TOKENS.get('SESSION_COOKIE_HTTPONLY', True)
SESSION_ENGINE = ENV_TOKENS.get('SESSION_ENGINE', SESSION_ENGINE)
SESSION_COOKIE_SECURE = ENV_TOKENS.get('SESSION_COOKIE_SECURE', SESSION_COOKIE_SECURE)
# allow for environments to specify what cookie name our login subsystem should use
# this is to fix a bug regarding simultaneous logins between edx.org and edge.edx.org which can
# happen with some browsers (e.g. Firefox)
if ENV_TOKENS.get('SESSION_COOKIE_NAME', None):
# NOTE, there's a bug in Django (http://bugs.python.org/issue18012) which necessitates this being a str()
SESSION_COOKIE_NAME = str(ENV_TOKENS.get('SESSION_COOKIE_NAME'))
# Set the names of cookies shared with the marketing site
# These have the same cookie domain as the session, which in production
# usually includes subdomains.
EDXMKTG_LOGGED_IN_COOKIE_NAME = ENV_TOKENS.get('EDXMKTG_LOGGED_IN_COOKIE_NAME', EDXMKTG_LOGGED_IN_COOKIE_NAME)
EDXMKTG_USER_INFO_COOKIE_NAME = ENV_TOKENS.get('EDXMKTG_USER_INFO_COOKIE_NAME', EDXMKTG_USER_INFO_COOKIE_NAME)
#Email overrides
DEFAULT_FROM_EMAIL = ENV_TOKENS.get('DEFAULT_FROM_EMAIL', DEFAULT_FROM_EMAIL)
DEFAULT_FEEDBACK_EMAIL = ENV_TOKENS.get('DEFAULT_FEEDBACK_EMAIL', DEFAULT_FEEDBACK_EMAIL)
ADMINS = ENV_TOKENS.get('ADMINS', ADMINS)
SERVER_EMAIL = ENV_TOKENS.get('SERVER_EMAIL', SERVER_EMAIL)
MKTG_URLS = ENV_TOKENS.get('MKTG_URLS', MKTG_URLS)
TECH_SUPPORT_EMAIL = ENV_TOKENS.get('TECH_SUPPORT_EMAIL', TECH_SUPPORT_EMAIL)
COURSES_WITH_UNSAFE_CODE = ENV_TOKENS.get("COURSES_WITH_UNSAFE_CODE", [])
ASSET_IGNORE_REGEX = ENV_TOKENS.get('ASSET_IGNORE_REGEX', ASSET_IGNORE_REGEX)
# Theme overrides
THEME_NAME = ENV_TOKENS.get('THEME_NAME', None)
#Timezone overrides
TIME_ZONE = ENV_TOKENS.get('TIME_ZONE', TIME_ZONE)
# Push to LMS overrides
GIT_REPO_EXPORT_DIR = ENV_TOKENS.get('GIT_REPO_EXPORT_DIR', '/edx/var/edxapp/export_course_repos')
# Translation overrides
LANGUAGES = ENV_TOKENS.get('LANGUAGES', LANGUAGES)
LANGUAGE_CODE = ENV_TOKENS.get('LANGUAGE_CODE', LANGUAGE_CODE)
USE_I18N = ENV_TOKENS.get('USE_I18N', USE_I18N)
ENV_FEATURES = ENV_TOKENS.get('FEATURES', ENV_TOKENS.get('MITX_FEATURES', {}))
for feature, value in ENV_FEATURES.items():
FEATURES[feature] = value
# Additional installed apps
for app in ENV_TOKENS.get('ADDL_INSTALLED_APPS', []):
INSTALLED_APPS += (app,)
WIKI_ENABLED = ENV_TOKENS.get('WIKI_ENABLED', WIKI_ENABLED)
LOGGING = get_logger_config(LOG_DIR,
logging_env=ENV_TOKENS['LOGGING_ENV'],
debug=False,
service_variant=SERVICE_VARIANT)
#theming start:
PLATFORM_NAME = ENV_TOKENS.get('PLATFORM_NAME', 'edX')
STUDIO_NAME = ENV_TOKENS.get('STUDIO_NAME', 'edX Studio')
STUDIO_SHORT_NAME = ENV_TOKENS.get('STUDIO_SHORT_NAME', 'Studio')
TENDER_DOMAIN = ENV_TOKENS.get('TENDER_DOMAIN', TENDER_DOMAIN)
TENDER_SUBDOMAIN = ENV_TOKENS.get('TENDER_SUBDOMAIN', TENDER_SUBDOMAIN)
# Event Tracking
if "TRACKING_IGNORE_URL_PATTERNS" in ENV_TOKENS:
TRACKING_IGNORE_URL_PATTERNS = ENV_TOKENS.get("TRACKING_IGNORE_URL_PATTERNS")
# Django CAS external authentication settings
CAS_EXTRA_LOGIN_PARAMS = ENV_TOKENS.get("CAS_EXTRA_LOGIN_PARAMS", None)
if FEATURES.get('AUTH_USE_CAS'):
CAS_SERVER_URL = ENV_TOKENS.get("CAS_SERVER_URL", None)
AUTHENTICATION_BACKENDS = (
'django.contrib.auth.backends.ModelBackend',
'django_cas.backends.CASBackend',
)
INSTALLED_APPS += ('django_cas',)
MIDDLEWARE_CLASSES += ('django_cas.middleware.CASMiddleware',)
CAS_ATTRIBUTE_CALLBACK = ENV_TOKENS.get('CAS_ATTRIBUTE_CALLBACK', None)
if CAS_ATTRIBUTE_CALLBACK:
import importlib
CAS_USER_DETAILS_RESOLVER = getattr(
importlib.import_module(CAS_ATTRIBUTE_CALLBACK['module']),
CAS_ATTRIBUTE_CALLBACK['function']
)
################ SECURE AUTH ITEMS ###############################
# Secret things: passwords, access keys, etc.
with open(CONFIG_ROOT / CONFIG_PREFIX + "auth.json") as auth_file:
AUTH_TOKENS = json.load(auth_file)
############### XBlock filesystem field config ##########
if 'DJFS' in AUTH_TOKENS and AUTH_TOKENS['DJFS'] is not None:
DJFS = AUTH_TOKENS['DJFS']
if 'url_root' in DJFS:
DJFS['url_root'] = DJFS['url_root'].format(platform_revision=EDX_PLATFORM_REVISION)
EMAIL_HOST_USER = AUTH_TOKENS.get('EMAIL_HOST_USER', EMAIL_HOST_USER)
EMAIL_HOST_PASSWORD = AUTH_TOKENS.get('EMAIL_HOST_PASSWORD', EMAIL_HOST_PASSWORD)
# If Segment.io key specified, load it and turn on Segment.io if the feature flag is set
# Note that this is the Studio key. There is a separate key for the LMS.
SEGMENT_IO_KEY = AUTH_TOKENS.get('SEGMENT_IO_KEY')
if SEGMENT_IO_KEY:
FEATURES['SEGMENT_IO'] = ENV_TOKENS.get('SEGMENT_IO', False)
AWS_ACCESS_KEY_ID = AUTH_TOKENS["AWS_ACCESS_KEY_ID"]
if AWS_ACCESS_KEY_ID == "":
AWS_ACCESS_KEY_ID = None
AWS_SECRET_ACCESS_KEY = AUTH_TOKENS["AWS_SECRET_ACCESS_KEY"]
if AWS_SECRET_ACCESS_KEY == "":
AWS_SECRET_ACCESS_KEY = None
if AUTH_TOKENS.get('DEFAULT_FILE_STORAGE'):
DEFAULT_FILE_STORAGE = AUTH_TOKENS.get('DEFAULT_FILE_STORAGE')
elif AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY:
DEFAULT_FILE_STORAGE = 'storages.backends.s3boto.S3BotoStorage'
else:
DEFAULT_FILE_STORAGE = 'django.core.files.storage.FileSystemStorage'
DATABASES = AUTH_TOKENS['DATABASES']
MODULESTORE = convert_module_store_setting_if_needed(AUTH_TOKENS.get('MODULESTORE', MODULESTORE))
CONTENTSTORE = AUTH_TOKENS['CONTENTSTORE']
DOC_STORE_CONFIG = AUTH_TOKENS['DOC_STORE_CONFIG']
# Datadog for events!
DATADOG = AUTH_TOKENS.get("DATADOG", {})
DATADOG.update(ENV_TOKENS.get("DATADOG", {}))
# TODO: deprecated (compatibility with previous settings)
if 'DATADOG_API' in AUTH_TOKENS:
DATADOG['api_key'] = AUTH_TOKENS['DATADOG_API']
# Celery Broker
CELERY_ALWAYS_EAGER = ENV_TOKENS.get("CELERY_ALWAYS_EAGER", False)
CELERY_BROKER_TRANSPORT = ENV_TOKENS.get("CELERY_BROKER_TRANSPORT", "")
CELERY_BROKER_HOSTNAME = ENV_TOKENS.get("CELERY_BROKER_HOSTNAME", "")
CELERY_BROKER_VHOST = ENV_TOKENS.get("CELERY_BROKER_VHOST", "")
CELERY_BROKER_USER = AUTH_TOKENS.get("CELERY_BROKER_USER", "")
CELERY_BROKER_PASSWORD = AUTH_TOKENS.get("CELERY_BROKER_PASSWORD", "")
BROKER_URL = "{0}://{1}:{2}@{3}/{4}".format(CELERY_BROKER_TRANSPORT,
CELERY_BROKER_USER,
CELERY_BROKER_PASSWORD,
CELERY_BROKER_HOSTNAME,
CELERY_BROKER_VHOST)
# Event tracking
TRACKING_BACKENDS.update(AUTH_TOKENS.get("TRACKING_BACKENDS", {}))
EVENT_TRACKING_BACKENDS['tracking_logs']['OPTIONS']['backends'].update(AUTH_TOKENS.get("EVENT_TRACKING_BACKENDS", {}))
EVENT_TRACKING_BACKENDS['segmentio']['OPTIONS']['processors'][0]['OPTIONS']['whitelist'].extend(
AUTH_TOKENS.get("EVENT_TRACKING_SEGMENTIO_EMIT_WHITELIST", []))
SUBDOMAIN_BRANDING = ENV_TOKENS.get('SUBDOMAIN_BRANDING', {})
VIRTUAL_UNIVERSITIES = ENV_TOKENS.get('VIRTUAL_UNIVERSITIES', [])
##### ACCOUNT LOCKOUT DEFAULT PARAMETERS #####
MAX_FAILED_LOGIN_ATTEMPTS_ALLOWED = ENV_TOKENS.get("MAX_FAILED_LOGIN_ATTEMPTS_ALLOWED", 5)
MAX_FAILED_LOGIN_ATTEMPTS_LOCKOUT_PERIOD_SECS = ENV_TOKENS.get("MAX_FAILED_LOGIN_ATTEMPTS_LOCKOUT_PERIOD_SECS", 15 * 60)
MICROSITE_CONFIGURATION = ENV_TOKENS.get('MICROSITE_CONFIGURATION', {})
MICROSITE_ROOT_DIR = path(ENV_TOKENS.get('MICROSITE_ROOT_DIR', ''))
#### PASSWORD POLICY SETTINGS #####
PASSWORD_MIN_LENGTH = ENV_TOKENS.get("PASSWORD_MIN_LENGTH")
PASSWORD_MAX_LENGTH = ENV_TOKENS.get("PASSWORD_MAX_LENGTH")
PASSWORD_COMPLEXITY = ENV_TOKENS.get("PASSWORD_COMPLEXITY", {})
PASSWORD_DICTIONARY_EDIT_DISTANCE_THRESHOLD = ENV_TOKENS.get("PASSWORD_DICTIONARY_EDIT_DISTANCE_THRESHOLD")
PASSWORD_DICTIONARY = ENV_TOKENS.get("PASSWORD_DICTIONARY", [])
### INACTIVITY SETTINGS ####
SESSION_INACTIVITY_TIMEOUT_IN_SECONDS = AUTH_TOKENS.get("SESSION_INACTIVITY_TIMEOUT_IN_SECONDS")
##### X-Frame-Options response header settings #####
X_FRAME_OPTIONS = ENV_TOKENS.get('X_FRAME_OPTIONS', X_FRAME_OPTIONS)
##### ADVANCED_SECURITY_CONFIG #####
ADVANCED_SECURITY_CONFIG = ENV_TOKENS.get('ADVANCED_SECURITY_CONFIG', {})
################ ADVANCED COMPONENT/PROBLEM TYPES ###############
ADVANCED_COMPONENT_TYPES = ENV_TOKENS.get('ADVANCED_COMPONENT_TYPES', ADVANCED_COMPONENT_TYPES)
ADVANCED_PROBLEM_TYPES = ENV_TOKENS.get('ADVANCED_PROBLEM_TYPES', ADVANCED_PROBLEM_TYPES)
DEPRECATED_ADVANCED_COMPONENT_TYPES = ENV_TOKENS.get(
'DEPRECATED_ADVANCED_COMPONENT_TYPES', DEPRECATED_ADVANCED_COMPONENT_TYPES
)
################ VIDEO UPLOAD PIPELINE ###############
VIDEO_UPLOAD_PIPELINE = ENV_TOKENS.get('VIDEO_UPLOAD_PIPELINE', VIDEO_UPLOAD_PIPELINE)
################ PUSH NOTIFICATIONS ###############
PARSE_KEYS = AUTH_TOKENS.get("PARSE_KEYS", {})
# Video Caching. Pairing country codes with CDN URLs.
# Example: {'CN': 'http://api.xuetangx.com/edx/video?s3_url='}
VIDEO_CDN_URL = ENV_TOKENS.get('VIDEO_CDN_URL', {})
if FEATURES['ENABLE_COURSEWARE_INDEX'] or FEATURES['ENABLE_LIBRARY_INDEX']:
# Use ElasticSearch for the search engine
SEARCH_ENGINE = "search.elastic.ElasticSearchEngine"
XBLOCK_SETTINGS = ENV_TOKENS.get('XBLOCK_SETTINGS', {})
XBLOCK_SETTINGS.setdefault("VideoDescriptor", {})["licensing_enabled"] = FEATURES.get("LICENSING", False)
XBLOCK_SETTINGS.setdefault("VideoModule", {})['YOUTUBE_API_KEY'] = AUTH_TOKENS.get('YOUTUBE_API_KEY', YOUTUBE_API_KEY)
################# PROCTORING CONFIGURATION ##################
PROCTORING_BACKEND_PROVIDER = AUTH_TOKENS.get("PROCTORING_BACKEND_PROVIDER", PROCTORING_BACKEND_PROVIDER)
PROCTORING_SETTINGS = ENV_TOKENS.get("PROCTORING_SETTINGS", PROCTORING_SETTINGS)