What is this repo?

This repo is a sample Spring Boot app that demonstrates OpenTelemetry metrics in Translate

How to run this sample?

This repo is dependent on the branch otel-poc of gax. see relevant changes in gax

1. Enable Cloud Monitoring API and Translate API
2. Go to the root folder of sdk-platform-java, switch to branch otel-poc, run mvn clean install -DskipTests -Dcheckstyle.skip -Dclirr.skip.
3. Replace the project id in application.properties to your own project id.
4. Start the app
5. Navigate to http://localhost:8080/translate/hello for a few requests
6. Wait up to 1 minute, the metrics should show up in Cloud Monitoring dashboard on Metrics explorer tab. The relevant metrics are under Generic Task -> Custom metrics -> attempt_latency
7. Alternatively, navigate to http://localhost:9090 to see the latest metrics without waiting.