322 add support for pydantic logfire for llm agent tracing (#329)

* set up otel-collector and implement sending to logfire

* moved rest of the files for the demo into the folder

* update docker-compose.yaml and run_demo.sh to properly check for LOGFIRE_API_KEY

* refactor weather_forecast demo to only be one demo

* add a default docker-compose for e2e tests

* update based on requested changes

* fix replace comma with colon in readme

* remove weather_forecast_service folder, and make logfire demo fail instantly if no key is set

* remove the unused weather forecast service folder

* Changed stop_demo to only stop one file at a time

* update readme with new demo stopping setup

* Revert changes to end behavior

* fix silly formatting mistake

demos/shared/logfire/Dockerfile

@@ -0,0 +1,5 @@
+FROM otel/opentelemetry-collector:latest
+
+COPY otel-collector-config.yaml /etc/otel-collector-config.yaml
+
+ENTRYPOINT ["/otelcol", "--config=/etc/otel-collector-config.yaml"]

demos/shared/logfire/otel-collector-config.yaml

@@ -0,0 +1,24 @@
+receivers:
+  otlp:
+    protocols:
+      grpc:
+        endpoint: 0.0.0.0:4317
+      http:
+        endpoint: 0.0.0.0:4318
+
+exporters:
+  otlphttp:
+    endpoint: "https://logfire-api.pydantic.dev"
+    headers:
+      Authorization: "${LOGFIRE_API_KEY}"
+
+processors:
+  batch:
+    timeout: 5s
+
+service:
+  pipelines:
+    traces:
+      receivers: [otlp]
+      processors: [batch]
+      exporters: [otlphttp]