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session_redis_public/session_redis/http.py
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Python

# Copyright 2016-2019 Camptocamp SA
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html)
import logging
import os
from .strtobool import strtobool
import odoo
from odoo import http
from odoo.tools.func import lazy_property
from .session import RedisSessionStore
_logger = logging.getLogger(__name__)
try:
import redis
from redis.sentinel import Sentinel
except ImportError:
redis = None # noqa
_logger.debug("Cannot 'import redis'.")
def is_true(strval):
return bool(strtobool(strval or "0".lower()))
sentinel_host = os.environ.get("ODOO_SESSION_REDIS_SENTINEL_HOST")
sentinel_master_name = os.environ.get("ODOO_SESSION_REDIS_SENTINEL_MASTER_NAME")
if sentinel_host and not sentinel_master_name:
raise Exception(
"ODOO_SESSION_REDIS_SENTINEL_MASTER_NAME must be defined "
"when using session_redis"
)
sentinel_port = int(os.environ.get("ODOO_SESSION_REDIS_SENTINEL_PORT", 26379))
host = os.environ.get("ODOO_SESSION_REDIS_HOST", "localhost")
port = int(os.environ.get("ODOO_SESSION_REDIS_PORT", 6379))
prefix = os.environ.get("ODOO_SESSION_REDIS_PREFIX")
url = os.environ.get("ODOO_SESSION_REDIS_URL")
password = os.environ.get("ODOO_SESSION_REDIS_PASSWORD")
expiration = os.environ.get("ODOO_SESSION_REDIS_EXPIRATION")
anon_expiration = os.environ.get("ODOO_SESSION_REDIS_EXPIRATION_ANONYMOUS")
@lazy_property
def session_store(self):
if sentinel_host:
sentinel = Sentinel([(sentinel_host, sentinel_port)], password=password)
redis_client = sentinel.master_for(sentinel_master_name)
elif url:
redis_client = redis.from_url(url)
else:
redis_client = redis.Redis(host=host, port=port, password=password)
return RedisSessionStore(
redis=redis_client,
prefix=prefix,
expiration=expiration,
anon_expiration=anon_expiration,
session_class=http.OpenERPSession,
)
def session_gc(session_store):
"""Do not garbage collect the sessions
Redis keys are automatically cleaned at the end of their
expiration.
"""
return
def purge_fs_sessions(path):
for fname in os.listdir(path):
path = os.path.join(path, fname)
try:
os.unlink(path)
except OSError:
pass
if is_true(os.environ.get("ODOO_SESSION_REDIS")):
if sentinel_host:
_logger.debug(
"HTTP sessions stored in Redis with prefix '%s'. "
"Using Sentinel on %s:%s",
prefix or "",
sentinel_host,
sentinel_port,
)
else:
_logger.debug(
"HTTP sessions stored in Redis with prefix '%s' on " "%s:%s",
prefix or "",
host,
port,
)
http.Root.session_store = session_store
http.session_gc = session_gc
# clean the existing sessions on the file system
purge_fs_sessions(odoo.tools.config.session_dir)