Add support for Redis backups

Author: RealOrangeOne

README.md

@@ -9,6 +9,7 @@ A script to automatically back up all databases running under docker on a host
 - MariaDB
 - MySQL
 - PostgreSQL
+- Redis
 
 ## Installation
 

db-auto-backup.py

@@ -51,6 +51,14 @@ def backup_mysql(container: Container) -> str:
     return f"bash -c 'mysqldump {auth} --all-databases'"
 
 
+def backup_redis(container: Container) -> str:
+    """
+    Note: `SAVE` command locks the database, which isn't ideal.
+    Hopefully the commit is fast enough!
+    """
+    return "sh -c 'redis-cli SAVE > /dev/null && cat /data/dump.rdb'"
+
+
 BACKUP_PROVIDERS: list[BackupProvider] = [
     BackupProvider(
         patterns=["postgres"], backup_method=backup_psql, file_extension="sql"
@@ -60,6 +68,9 @@ def backup_mysql(container: Container) -> str:
         backup_method=backup_mysql,
         file_extension="sql",
     ),
+    BackupProvider(
+        patterns=["redis"], backup_method=backup_redis, file_extension="rdb"
+    ),
 ]
 
 

docker-compose.yml

@@ -29,3 +29,7 @@ services:
     restart: unless-stopped
     environment:
       - MYSQL_ROOT_PASSWORD=password
+
+  redis:
+    image: redis:alpine
+    restart: unless-stopped