TRACER

create a tracer by passing configuration with build-in defaults. params: serviceName - string (node-js) tags - object | key value of tags to add to each span carrierType - string (http-header) | opentracing carrier types debug - boolean (false) | print spans on finish, and set sampler to 1 const 1 shouldIgnore - function | ignore spans by the operation name onStartSpan - function | will call function with created span onFinishSpan - function | will call function before closing the span exporterOptions - object | configure the exporter type - string (const) | jaeger exporter types probability - number (1) | jaeger exporter probability host - string (localhost) | jaeger exporter host port - number (6832) | jaeger exporter port interval - number (2000) | jaeger exporter flush interval

import { Tracer } from '@logzio-node-toolbox/tracer;

const config = {
  serviceName: 'client-api',
  exporterOptions: {
    host: '127.0.13.1',
    interval: 5000,
  },
  tags: {
    region: 'us',

  },
  shouldIgnore: (url) => {
    if url.includes('ignore path') return true;
    return false;
  },
  onStartSpan: (span) => {
    span.addTag()
  }
}
const tracer = new Tracer(config);

const span = tracer.startSpan({operation: 'operationName', tags: { default: 'tags for this span' }, carrier: req.headers });

tracer.finishSpan({ span: span, tags: { default: 'tags for finish span' }});