Add the REDIS_PASSWORD environment variable

In production, we will need this password to make a connection to Redis.

3 files changed, 17 insertions, 6 deletions

diff --git a/bot/constants.py b/bot/constants.py
index 01e8ac3a3..5d854dd7a 100644
--- a/bot/constants.py
+++ b/bot/constants.py
@@ -199,8 +199,15 @@ class Bot(metaclass=YAMLGetter):
     prefix: str
     token: str
     sentry_dsn: str
-    redis_host: str
-    redis_port: int
+
+
+class Redis(metaclass=YAMLGetter):
+    section = "bot"
+    subsection = "redis"
+
+    host: str
+    port: int
+    password: str
 
 
 class Filter(metaclass=YAMLGetter):
diff --git a/bot/utils/redis_dict.py b/bot/utils/redis_dict.py
index 47905314a..4a5e34249 100644
--- a/bot/utils/redis_dict.py
+++ b/bot/utils/redis_dict.py
@@ -27,8 +27,9 @@ class RedisDict(MutableMapping):
 
     _namespaces = []
     _redis = redis_py.Redis(
-        host=constants.Bot.redis_host,
-        port=constants.Bot.redis_port,
+        host=constants.Redis.host,
+        port=constants.Redis.port,
+        password=constants.Redis.password,
     )  # Can be overridden for testing
 
     def __init__(self, namespace: Optional[str] = None) -> None:
diff --git a/config-default.yml b/config-default.yml
index 722afa41b..3b58d9099 100644
--- a/config-default.yml
+++ b/config-default.yml
@@ -2,8 +2,11 @@ bot:
     prefix:      "!"
     token:       !ENV "BOT_TOKEN"
     sentry_dsn:  !ENV "BOT_SENTRY_DSN"
-    redis_host:  "redis"
-    redis_port:  6379
+
+    redis:
+        host:  "redis"
+        port:  6379
+        password: !ENV "REDIS_PASSWORD"
 
     stats:
         statsd_host: "graphite"