✨ 初步添加 metrics

nonebot_bison/admin_page/__init__.py

@@ -12,6 +12,7 @@ from nonebot.adapters.onebot.v11.event import PrivateMessageEvent
 from .api import router as api_router
 from ..plugin_config import plugin_config
 from .token_manager import token_manager as tm
+from .api import metrics_router as metrics_router
 
 if TYPE_CHECKING:
     from nonebot.drivers.fastapi import Driver
@@ -46,6 +47,7 @@ def init_fastapi(driver: "Driver"):
             description="nonebot-bison webui and api",
         )
         nonebot_app.include_router(api_router)
+        nonebot_app.include_router(metrics_router)
         nonebot_app.mount("/", SinglePageApplication(directory=static_path), name="bison-frontend")
 
         app = driver.server_app

nonebot_bison/admin_page/api.py

@@ -3,11 +3,13 @@ from typing import cast
 import nonebot
 from fastapi import status
 from fastapi.routing import APIRouter
+from starlette.responses import Response
 from fastapi.param_functions import Depends
 from fastapi.exceptions import HTTPException
 from nonebot_plugin_saa import TargetQQGroup
 from nonebot_plugin_saa.auto_select_bot import get_bot
 from fastapi.security.oauth2 import OAuth2PasswordBearer
+from prometheus_client import CONTENT_TYPE_LATEST, generate_latest
 
 from ..types import WeightConfig
 from ..apis import check_sub_target
@@ -277,3 +279,11 @@ async def get_cookie_valid(site_name: str, content: str) -> StatusResp:
         return StatusResp(ok=True, msg="")
     else:
         return StatusResp(ok=False, msg="")
+
+
+metrics_router = APIRouter(prefix="/api/metrics", tags=["metrics"])
+
+
+@metrics_router.get("")
+async def metrics():
+    return Response(media_type=CONTENT_TYPE_LATEST, content=generate_latest())

nonebot_bison/metrics.py

@@ -0,0 +1,9 @@
+from prometheus_client import Counter
+
+# Request counter
+request_counter = Counter("bison_request_counter", "The number of requests")
+# Success counter
+success_counter = Counter("bison_success_counter", "The number of successful requests")
+
+# Sent counter
+sent_counter = Counter("bison_sent_counter", "The number of sent messages")

nonebot_bison/scheduler/scheduler.py

@@ -6,6 +6,7 @@ from nonebot_plugin_apscheduler import scheduler
 from nonebot_plugin_saa.utils.exceptions import NoBotFound
 
 from nonebot_bison.utils import ClientManager
+from nonebot_bison.metrics import sent_counter, request_counter, success_counter
 
 from ..config import config
 from ..send import send_msgs
@@ -93,6 +94,7 @@ class Scheduler:
         logger.trace(f"scheduler {self.name} fetching next target: [{schedulable.platform_name}]{schedulable.target}")
 
         context = ProcessContext(self.client_mgr)
+        request_counter.inc()
 
         try:
             platform_obj = platform_manager[schedulable.platform_name](context)
@@ -116,10 +118,10 @@ class Scheduler:
                 logger.warning("API request record: " + record)
             err.args += (records,)
             raise
-
+        success_counter.inc()
         if not to_send:
             return
-
+        sent_counter.inc()
         for user, send_list in to_send:
             for send_post in send_list:
                 logger.info(f"send to {user}: {send_post}")