feat: add ssl mode with non url connection + add redis cluster support (#494)

session_redis/README.rst

@@ -13,6 +13,14 @@ The storage of sessions in Redis is activated using environment variables.
 * ``ODOO_SESSION_REDIS_PORT`` is the redis port (default is ``6379``)
 * ``ODOO_SESSION_REDIS_PASSWORD`` is the password for the AUTH command
   (optional)
+* ``ODOO_SESSION_REDIS_SSL`` is the SSL connection (default is ``true``)
+  (optional)
+* ``ODOO_SESSION_REDIS_SSL_CERT_REQS`` is the SSL certificate requirements (default is
+  ``required``), needed to be disabled when using self-signed certificates
+  (optional)
+* ``ODOO_SESSION_REDIS_CLUSTER`` the redis in cluster mode (default is ``false``)
+  (optional)
+
 * ``ODOO_SESSION_REDIS_URL`` is an alternative way to define the Redis server
   address. It's the preferred way when you're using the ``rediss://`` protocol.
 * ``ODOO_SESSION_REDIS_PREFIX`` is the prefix for the session keys (optional)

session_redis/http.py

@@ -40,8 +40,10 @@ url = os.getenv("ODOO_SESSION_REDIS_URL")
 password = os.getenv("ODOO_SESSION_REDIS_PASSWORD")
 expiration = os.getenv("ODOO_SESSION_REDIS_EXPIRATION")
 anon_expiration = os.getenv("ODOO_SESSION_REDIS_EXPIRATION_ANONYMOUS")
-
-
+# For non url connections
+ssl = os.getenv("ODOO_SESSION_REDIS_SSL", "1")
+ssl_cert_reqs = os.getenv("ODOO_SESSION_REDIS_SSL_CERT_REQS", "1")
+redis_cluster = os.getenv("ODOO_SESSION_REDIS_CLUSTER", "0")
 @lazy_property
 def session_store(self):
     if sentinel_host:
@@ -49,8 +51,18 @@ def session_store(self):
         redis_client = sentinel.master_for(sentinel_master_name)
     elif url:
         redis_client = redis.from_url(url)
+    elif is_true(redis_cluster):
+        redis_client = redis.RedisCluster(
+            host=host,
+            port=port,
+            password=password,
+            ssl=is_true(ssl),
+            ssl_cert_reqs=is_true(ssl_cert_reqs))
     else:
-        redis_client = redis.Redis(host=host, port=port, password=password)
+        redis_client = redis.Redis(
+            host=host, port=port, password=password,
+            ssl=is_true(ssl),
+            ssl_cert_reqs=is_true(ssl_cert_reqs))
     return RedisSessionStore(
         redis=redis_client,
         prefix=prefix,