new events model

kvmd/apps/kvmd/api/export.py

@@ -55,10 +55,9 @@ class ExportApi:
 
     @async_lru.alru_cache(maxsize=1, ttl=5)
     async def __get_prometheus_metrics(self) -> str:
-        (atx_state, hw_state, fan_state, gpio_state) = await asyncio.gather(*[
+        (atx_state, info_state, gpio_state) = await asyncio.gather(*[
             self.__atx.get_state(),
-            self.__info_manager.get_submanager("hw").get_state(),
-            self.__info_manager.get_submanager("fan").get_state(),
+            self.__info_manager.get_state(["hw", "fan"]),
             self.__user_gpio.get_state(),
         ])
         rows: list[str] = []
@@ -72,8 +71,8 @@ class ExportApi:
                     for key in ["online", "state"]:
                         self.__append_prometheus_rows(rows, ch_state["state"], f"pikvm_gpio_{mode}_{key}_{channel}")
 
-        self.__append_prometheus_rows(rows, hw_state["health"], "pikvm_hw")  # type: ignore
-        self.__append_prometheus_rows(rows, fan_state, "pikvm_fan")
+        self.__append_prometheus_rows(rows, info_state["hw"]["health"], "pikvm_hw")  # type: ignore
+        self.__append_prometheus_rows(rows, info_state["fan"], "pikvm_fan")
 
         return "\n".join(rows)
 

kvmd/apps/kvmd/api/info.py

@@ -20,8 +20,6 @@
 # ========================================================================== #
 
 
-import asyncio
-
 from aiohttp.web import Request
 from aiohttp.web import Response
 
@@ -43,15 +41,11 @@ class InfoApi:
     @exposed_http("GET", "/info")
     async def __common_state_handler(self, req: Request) -> Response:
         fields = self.__valid_info_fields(req)
-        results = dict(zip(fields, await asyncio.gather(*[
-            self.__info_manager.get_submanager(field).get_state()
-            for field in fields
-        ])))
-        return make_json_response(results)
+        return make_json_response(await self.__info_manager.get_state(fields))
 
     def __valid_info_fields(self, req: Request) -> list[str]:
-        subs = self.__info_manager.get_subs()
+        available = self.__info_manager.get_subs()
         return sorted(valid_info_fields(
-            arg=req.query.get("fields", ",".join(subs)),
-            variants=subs,
-        ) or subs)
+            arg=req.query.get("fields", ",".join(available)),
+            variants=available,
+        ) or available)

kvmd/apps/kvmd/api/redfish.py

@@ -88,12 +88,12 @@ class RedfishApi:
 
     @exposed_http("GET", "/redfish/v1/Systems/0")
     async def __server_handler(self, _: Request) -> Response:
-        (atx_state, meta_state) = await asyncio.gather(*[
+        (atx_state, info_state) = await asyncio.gather(*[
             self.__atx.get_state(),
-            self.__info_manager.get_submanager("meta").get_state(),
+            self.__info_manager.get_state(["meta"]),
         ])
         try:
-            host = str(meta_state.get("server", {})["host"])  # type: ignore
+            host = str(info_state["meta"].get("server", {})["host"])  # type: ignore
         except Exception:
             host = ""
         return make_json_response({