feat: add logfire instrumentations for fastapi backend

docker-compose.yml

@@ -36,6 +36,7 @@ services:
       MAILTRAP_BEARER_TOKEN: ${MAILTRAP_BEARER_TOKEN}
       MAILTRAP_API_KEY: ${MAILTRAP_API_KEY}
       PRODUCTION: ${PRODUCTION}
+      LOGFIRE_TOKEN: ${LOGFIRE_TOKEN}
     restart: unless-stopped
     volumes:
       - ./holy-grail-backend/backend:/app

holy-grail-backend/backend/app/api/api.py

@@ -21,7 +21,7 @@
 api_router.include_router(analytics.router, tags=["Analytics"], prefix="/analytics")
 api_router.include_router(auth.router, tags=["Authentication"], prefix="/auth")
 api_router.include_router(categories.router, tags=["Categories"])
-api_router.include_router(dev.router, tags=["Dev"], prefix="/dev")
+# api_router.include_router(dev.router, tags=["Dev"], prefix="/dev")
 api_router.include_router(example.router, tags=["Example"])
 api_router.include_router(library.router, tags=["Library"], prefix="/note")
 api_router.include_router(library.notes_router, tags=["Library"], prefix="/notes")

holy-grail-backend/backend/app/api/endpoints/dev.py

@@ -1,34 +1,34 @@
-import re
-from typing import List, Dict, Any, Optional
-from fastapi import APIRouter
-from app.api.deps import SessionDeveloper
-from prometheus_client import generate_latest
-
-router = APIRouter()
-
-
-def parse_metric_line(line: str) -> Optional[Dict[str, Any]]:
-    """Parse a single line of a metric."""
-    match = re.match(r"(\w+){?(.*)}?\s(.+)", line)
-    if match is not None:
-        metric_name, labels_str, value = match.groups()
-        labels = dict(re.findall(r'(\w+)="(.+?)"', labels_str))
-        return {"metric_name": metric_name, "labels": labels, "value": float(value)}
-    return None
-
-
-def metrics_to_json(metrics_str: str) -> List[Dict[str, Any]]:
-    """Convert all metrics to JSON."""
-
-    lines = metrics_str.split("\n")
-    metrics = [parse_metric_line(line) for line in lines]
-    metrics = [
-        metric for metric in metrics if metric is not None
-    ]  # Filter out any None values
-    return metrics
-
-
-@router.get("/metrics")
-async def expose_metrics(authenticated: SessionDeveloper):  # pylint: disable=W0613
-    metrics_str = generate_latest().decode("utf8")
-    return metrics_to_json(metrics_str)
+# import re
+# from typing import List, Dict, Any, Optional
+# from fastapi import APIRouter
+# from app.api.deps import SessionDeveloper
+# from prometheus_client import generate_latest
+#
+# router = APIRouter()
+#
+#
+# def parse_metric_line(line: str) -> Optional[Dict[str, Any]]:
+#     """Parse a single line of a metric."""
+#     match = re.match(r"(\w+){?(.*)}?\s(.+)", line)
+#     if match is not None:
+#         metric_name, labels_str, value = match.groups()
+#         labels = dict(re.findall(r'(\w+)="(.+?)"', labels_str))
+#         return {"metric_name": metric_name, "labels": labels, "value": float(value)}
+#     return None
+#
+#
+# def metrics_to_json(metrics_str: str) -> List[Dict[str, Any]]:
+#     """Convert all metrics to JSON."""
+#
+#     lines = metrics_str.split("\n")
+#     metrics = [parse_metric_line(line) for line in lines]
+#     metrics = [
+#         metric for metric in metrics if metric is not None
+#     ]  # Filter out any None values
+#     return metrics
+#
+#
+# @router.get("/metrics")
+# async def expose_metrics(authenticated: SessionDeveloper):  # pylint: disable=W0613
+#     metrics_str = generate_latest().decode("utf8")
+#     return metrics_to_json(metrics_str)

holy-grail-backend/backend/app/main.py

@@ -1,9 +1,9 @@
 import ast
 import os
-
+import logfire
 from fastapi import FastAPI
 from fastapi.middleware import cors
-from prometheus_fastapi_instrumentator import Instrumentator
+
 from slowapi import _rate_limit_exceeded_handler
 from slowapi.errors import RateLimitExceeded
 
@@ -33,7 +33,8 @@
 )
 
 app.include_router(api_router)
-Instrumentator().instrument(app)
+logfire.configure()
+logfire.instrument_fastapi(app)
 
 # Force runs the google analytics and update scoreboard job once on app start up.
 

holy-grail-backend/backend/app/requirements.txt

@@ -20,11 +20,11 @@ PyJWT==2.7.0
 slowapi
 boto3==1.28.1
 mailtrap
-prometheus-fastapi-instrumentator==6.0.0
 moto[s3]==4.2.13
 requests-toolbelt==1.0.0
 fpdf==1.7.2
 pytz==2023.3.post1
+logfire[fastapi]==1.1.0
 
 # GOOGLE DEPENDENCIES
 google-analytics-data==0.17.2