go-todo-api-otel

PoC of OpenTelemetry for go echo api

Endpoints

Tracing examples

Commands

Run this example

git clone https://github.com/Dosugamea/go-todo-api-otel
cd go-todo-api-otel
docker-compose up -d

• Open your browser
• Insert some tasks
  • http://localhost:8080/swagger/index.html#/task/create-task
• Update the created task
  • http://localhost:8080/swagger/index.html#/task/update-task
• See the open telemetry dashboard and the logging is working correctly
  • http://localhost:16686/search

Regenerate docs

swag init

Required environment variables

$env:EXPORTER_ENDPOINT = "localhost:4317"

References

• DDD
  • https://github.com/gs1068/golang-ddd-sample
• Echo
  • https://zenn.dev/nrikiji/articles/32748c274238ad
  • https://github.com/nrikiji/go-echo-sample
  • https://github.com/xesina/golang-echo-realworld-example-app
• Swagger
  • https://ken-aio.github.io/post/2019/02/05/golang-echo-swagger/
• OpenTelemetry
  • https://christina04.hatenablog.com/entry/opentelemetry-in-go
  • https://zenn.dev/avita_blog/articles/d1fb4afd200aa1
  • https://uptrace.dev/get/opentelemetry-go.html
  • https://blog.cybozu.io/entry/2023/04/12/170000
  • https://gammalab.net/blog/43uqjmpr8qx/
  • https://uptrace.dev/get/instrument/opentelemetry-gorm.html