add basic otel config

Author: hrodmn

infrastructure/aws/lambda/Dockerfile

@@ -5,10 +5,11 @@ COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/
 
 WORKDIR /tmp
 
+RUN dnf install -y gcc-c++  
+
 COPY uv.lock .python-version pyproject.toml LICENSE README.md ./
 COPY titiler/ ./titiler/
 
-RUN dnf install -y gcc-c++  
 RUN uv export --locked --no-editable --no-dev --extra lambda --extra telemetry --format requirements.txt -o requirements.txt && \
   uv pip install --compile-bytecode --no-binary pydantic --target /asset -r requirements.txt 
 

infrastructure/aws/lambda/handler.py

@@ -6,6 +6,11 @@
 
 import earthaccess
 from mangum import Mangum
+from opentelemetry import trace
+from opentelemetry.instrumentation.fastapi import FastAPIInstrumentor
+from opentelemetry.instrumentation.logging import LoggingInstrumentor
+from opentelemetry.sdk.resources import SERVICE_NAME, SERVICE_VERSION, Resource
+from opentelemetry.sdk.trace import TracerProvider
 
 from titiler.cmr.main import app
 from titiler.cmr.settings import AuthSettings
@@ -16,6 +21,25 @@
 logging.getLogger("mangum.http").setLevel(logging.ERROR)
 
 
+LoggingInstrumentor().instrument(set_logging_format=True)
+FastAPIInstrumentor.instrument_app(app)
+
+resource = Resource.create(
+    {
+        SERVICE_NAME: "titiler-cmr",
+        SERVICE_VERSION: "0.1.0",
+    }
+)
+
+provider = TracerProvider(resource=resource)
+
+# uses the OTEL_EXPORTER_OTLP_ENDPOINT env var
+# processor = BatchSpanProcessor(OTLPSpanExporter())
+# provider.add_span_processor(processor)
+
+trace.set_tracer_provider(provider)
+
+
 @app.on_event("startup")
 async def startup_event() -> None:
     """startup."""