rules:
  - id: go-otel-span-end-defer
    message: "Potential missing `defer span.End()`. Spans should be closed to avoid memory leaks."
    languages: [go]
    severity: WARNING
    patterns:
      - pattern: |
          $SPAN, $ERR := $TRACER.Start(...)
          ...
      - pattern-not: |
          $SPAN, $ERR := $TRACER.Start(...)
          defer $SPAN.End()
          ...
      - pattern-not: |
          $SPAN, $ERR := $TRACER.Start(...)
          ...
          $SPAN.End()

  - id: no-direct-log-fatal
    message: "Avoid using `log.Fatal` in internal packages. Use errors to propagate up to main."
    languages: [go]
    severity: ERROR
    pattern: log.Fatal(...)
    paths:
      exclude:
        - "main.go"
        - "cmd/**"