Sentry integration (#2172)

* add sentry sdk to dependencies

* add sentry attributes to settings

* initialize sentry for error tracking

* add sentry sdk to base dependencies

src/backend/base/langflow/main.py

@@ -20,6 +20,7 @@ from langflow.initial_setup.setup import (
     load_flows_from_directory,
 )
 from langflow.interface.utils import setup_llm_caching
+from langflow.services.deps import get_settings_service
 from langflow.services.plugins.langfuse_plugin import LangfuseInstance
 from langflow.services.utils import initialize_services, teardown_services
 from langflow.utils.logger import configure
@@ -78,6 +79,7 @@ def create_app():
     socketio_server = socketio.AsyncServer(async_mode="asgi", cors_allowed_origins="*", logger=True)
     lifespan = get_lifespan(socketio_server=socketio_server, version=__version__)
     app = FastAPI(lifespan=lifespan, title="Langflow", version=__version__)
+    setup_sentry(app)
     origins = ["*"]
 
     app.add_middleware(
@@ -115,6 +117,20 @@ def mount_socketio(app: FastAPI, socketio_server: socketio.AsyncServer):
     return app
 
 
+def setup_sentry(app: FastAPI):
+    settings = get_settings_service().settings
+    if settings.sentry_dsn:
+        import sentry_sdk
+        from sentry_sdk.integrations.asgi import SentryAsgiMiddleware
+
+        sentry_sdk.init(
+            dsn=settings.sentry_dsn,
+            traces_sample_rate=settings.sentry_traces_sample_rate,
+            profiles_sample_rate=settings.sentry_profiles_sample_rate,
+        )
+        app.add_middleware(SentryAsgiMiddleware)
+
+
 def setup_static_files(app: FastAPI, static_files_dir: Path):
     """
     Setup the static files directory.

src/backend/base/langflow/services/settings/base.py

@@ -85,6 +85,11 @@ class Settings(BaseSettings):
     redis_url: Optional[str] = None
     redis_cache_expire: int = 3600
 
+    # Sentry
+    sentry_dsn: Optional[str] = None
+    sentry_traces_sample_rate: Optional[float] = 1.0
+    sentry_profiles_sample_rate: Optional[float] = 1.0
+
     # PLUGIN_DIR: Optional[str] = None
 
     langfuse_secret_key: Optional[str] = None

src/backend/base/poetry.lock

@@ -2411,7 +2411,6 @@ files = [
     {file = "PyYAML-6.0.1-cp311-cp311-win_amd64.whl", hash = "sha256:bf07ee2fef7014951eeb99f56f39c9bb4af143d8aa3c21b1677805985307da34"},
     {file = "PyYAML-6.0.1-cp312-cp312-macosx_10_9_x86_64.whl", hash = "sha256:855fb52b0dc35af121542a76b9a84f8d1cd886ea97c84703eaa6d88e37a2ad28"},
     {file = "PyYAML-6.0.1-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:40df9b996c2b73138957fe23a16a4f0ba614f4c0efce1e9406a184b6d07fa3a9"},
-    {file = "PyYAML-6.0.1-cp312-cp312-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:a08c6f0fe150303c1c6b71ebcd7213c2858041a7e01975da3a99aed1e7a378ef"},
     {file = "PyYAML-6.0.1-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:6c22bec3fbe2524cde73d7ada88f6566758a8f7227bfbf93a408a9d86bcc12a0"},
     {file = "PyYAML-6.0.1-cp312-cp312-musllinux_1_1_x86_64.whl", hash = "sha256:8d4e9c88387b0f5c7d5f281e55304de64cf7f9c0021a3525bd3b1c542da3b0e4"},
     {file = "PyYAML-6.0.1-cp312-cp312-win32.whl", hash = "sha256:d483d2cdf104e7c9fa60c544d92981f12ad66a457afae824d146093b8c294c54"},
@@ -2499,6 +2498,56 @@ files = [
 [package.dependencies]
 pyasn1 = ">=0.1.3"
 
+[[package]]
+name = "sentry-sdk"
+version = "2.5.1"
+description = "Python client for Sentry (https://sentry.io)"
+optional = false
+python-versions = ">=3.6"
+files = [
+    {file = "sentry_sdk-2.5.1-py2.py3-none-any.whl", hash = "sha256:1f87acdce4a43a523ae5aa21a3fc37522d73ebd9ec04b1dbf01aa3d173852def"},
+    {file = "sentry_sdk-2.5.1.tar.gz", hash = "sha256:fbc40a78a8a9c6675133031116144f0d0940376fa6e4e1acd5624c90b0aaf58b"},
+]
+
+[package.dependencies]
+certifi = "*"
+urllib3 = ">=1.26.11"
+
+[package.extras]
+aiohttp = ["aiohttp (>=3.5)"]
+anthropic = ["anthropic (>=0.16)"]
+arq = ["arq (>=0.23)"]
+asyncpg = ["asyncpg (>=0.23)"]
+beam = ["apache-beam (>=2.12)"]
+bottle = ["bottle (>=0.12.13)"]
+celery = ["celery (>=3)"]
+celery-redbeat = ["celery-redbeat (>=2)"]
+chalice = ["chalice (>=1.16.0)"]
+clickhouse-driver = ["clickhouse-driver (>=0.2.0)"]
+django = ["django (>=1.8)"]
+falcon = ["falcon (>=1.4)"]
+fastapi = ["fastapi (>=0.79.0)"]
+flask = ["blinker (>=1.1)", "flask (>=0.11)", "markupsafe"]
+grpcio = ["grpcio (>=1.21.1)", "protobuf (>=3.8.0)"]
+httpx = ["httpx (>=0.16.0)"]
+huey = ["huey (>=2)"]
+huggingface-hub = ["huggingface-hub (>=0.22)"]
+langchain = ["langchain (>=0.0.210)"]
+loguru = ["loguru (>=0.5)"]
+openai = ["openai (>=1.0.0)", "tiktoken (>=0.3.0)"]
+opentelemetry = ["opentelemetry-distro (>=0.35b0)"]
+opentelemetry-experimental = ["opentelemetry-distro (>=0.40b0,<1.0)", "opentelemetry-instrumentation-aiohttp-client (>=0.40b0,<1.0)", "opentelemetry-instrumentation-django (>=0.40b0,<1.0)", "opentelemetry-instrumentation-fastapi (>=0.40b0,<1.0)", "opentelemetry-instrumentation-flask (>=0.40b0,<1.0)", "opentelemetry-instrumentation-requests (>=0.40b0,<1.0)", "opentelemetry-instrumentation-sqlite3 (>=0.40b0,<1.0)", "opentelemetry-instrumentation-urllib (>=0.40b0,<1.0)"]
+pure-eval = ["asttokens", "executing", "pure-eval"]
+pymongo = ["pymongo (>=3.1)"]
+pyspark = ["pyspark (>=2.4.4)"]
+quart = ["blinker (>=1.1)", "quart (>=0.16.1)"]
+rq = ["rq (>=0.6)"]
+sanic = ["sanic (>=0.8)"]
+sqlalchemy = ["sqlalchemy (>=1.2)"]
+starlette = ["starlette (>=0.19.1)"]
+starlite = ["starlite (>=1.48)"]
+tornado = ["tornado (>=5)"]
+
 [[package]]
 name = "shellingham"
 version = "1.5.4"
@@ -3247,4 +3296,4 @@ local = []
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.10,<3.13"
-content-hash = "3c83d086a178cebd83473758459c4f026907268dbf8c9ce45bc4bfb1f340e9a5"
+content-hash = "72f05330f1e734596d160b45cb68ab2ebf7d0824314bec0566bddb5b2043f4e6"

src/backend/base/pyproject.toml

@@ -63,6 +63,7 @@ cryptography = "^42.0.5"
 asyncer = "^0.0.5"
 pyperclip = "^1.8.2"
 uncurl = "^0.0.11"
+sentry-sdk = "^2.5.1"
 
 
 [tool.poetry.extras]