Adds options_validate API (#1996)

API.md

@@ -619,6 +619,7 @@ Get all available add-ons.
 - GET `/addons/{addon}/changelog`
 - GET `/addons/{addon}/documentation`
 - POST `/addons/{addon}/options`
+- POST `/addons/{addon}/options/validate`
 
 ```json
 {

supervisor/api/__init__.py

@@ -268,6 +268,9 @@ class RestAPI(CoreSysAttributes):
                 web.post("/addons/{addon}/restart", api_addons.restart),
                 web.post("/addons/{addon}/update", api_addons.update),
                 web.post("/addons/{addon}/options", api_addons.options),
+                web.post(
+                    "/addons/{addon}/options/validate", api_addons.options_validate
+                ),
                 web.post("/addons/{addon}/rebuild", api_addons.rebuild),
                 web.get("/addons/{addon}/logs", api_addons.logs),
                 web.get("/addons/{addon}/icon", api_addons.icon),

supervisor/api/addons.py

@@ -5,6 +5,7 @@ from typing import Any, Awaitable, Dict, List
 
 from aiohttp import web
 import voluptuous as vol
+from voluptuous.humanize import humanize_error
 
 from ..addons import AnyAddon
 from ..addons.addon import Addon
@@ -315,6 +316,15 @@ class APIAddons(CoreSysAttributes):
 
         addon.save_persist()
 
+    @api_process
+    async def options_validate(self, request: web.Request) -> None:
+        """Validate user options for add-on."""
+        addon = self._extract_addon_installed(request)
+        try:
+            addon.schema(addon.options)
+        except vol.Invalid as ex:
+            raise APIError(humanize_error(addon.options, ex)) from None
+
     @api_process
     async def security(self, request: web.Request) -> None:
         """Store security options for add-on."""