feat(userbot): add Kubernetes control panel

Manage Telegram instances through Kubernetes with legacy adoption for forust and anna. Build and deploy the panel image alongside the runtime.

userbot/panel/backend/app/config.py

@@ -0,0 +1,46 @@
+from __future__ import annotations
+
+import os
+from dataclasses import dataclass
+from pathlib import Path
+
+
+@dataclass(frozen=True)
+class Settings:
+    namespace: str = os.environ.get("USERBOT_NAMESPACE", "userbot")
+    legacy_namespaces: tuple[str, ...] = tuple(
+        value.strip()
+        for value in os.environ.get("USERBOT_LEGACY_NAMESPACES", "default").split(",")
+        if value.strip()
+    )
+    image: str = os.environ.get(
+        "USERBOT_IMAGE",
+        "gcr.forust.xyz/forust/userbot:latest",
+    )
+    common_secret: str = os.environ.get(
+        "USERBOT_COMMON_SECRET",
+        "userbot-common-secrets",
+    )
+    common_config: str = os.environ.get(
+        "USERBOT_COMMON_CONFIG",
+        "userbot-common-config",
+    )
+    storage_class: str = os.environ.get(
+        "USERBOT_STORAGE_CLASS",
+        "local-path-retain",
+    )
+    downloads_host_path: str = os.environ.get(
+        "USERBOT_DOWNLOADS_HOST_PATH",
+        "/srv/homelab/userbot/Downloads",
+    )
+    static_dir: Path = Path(os.environ.get("PANEL_STATIC_DIR", "/app/static"))
+    auth_ttl_seconds: int = int(os.environ.get("PANEL_AUTH_TTL_SECONDS", "600"))
+    default_storage: str = os.environ.get("USERBOT_DEFAULT_STORAGE", "1Gi")
+    default_cpu_limit: str = os.environ.get("USERBOT_DEFAULT_CPU_LIMIT", "300m")
+    default_memory_limit: str = os.environ.get(
+        "USERBOT_DEFAULT_MEMORY_LIMIT",
+        "1536Mi",
+    )
+
+
+settings = Settings()