OpTrace

The Nevis OpenTelemetry agent also serves as a replacement for OpTrace. It can be enabled by setting the OpTrace log category to INFO:

  Loggers:
    Logger:
    - name: "OpTrace"
      level: "INFO"

If the agent is only used for logging purposes, the forwarding to an OpenTelemetry collector can be disabled with the following otel.properties file:

otel.service.name=<service.name>
otel.resource.attributes=service.version=<version>,service.instance.id=<intanceId>
otel.traces.exporter=none
otel.metrics.exporter=none
otel.logs.exporter=none

Additionally, change the log format to include span_id and trace_id:

      PatternLayout:
        pattern: "[esauth4sv.log] %d{ISO8601} %-15.15t %mdc{trace_id} %mdc{span_id} %-20.20c %-5.5p %m%n"

This is the default configuration generated by nevisAdmin 4.