pm2
Version:
Production process manager for Node.JS applications with a built-in load balancer.
52 lines (45 loc) • 1.61 kB
JavaScript
/*
* Copyright The OpenTelemetry Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
const { diag } = require('@opentelemetry/api')
const { ExportResultCode } = require('@opentelemetry/core')
const { Constants } = require('../../../constants')
/**
* Prepares send function that will send spans to the remote Zipkin service.
* @param transport - transport instance
* @param headers - headers
* send
*/
function prepareSend (transport, headers) {
/**
* Send spans to the remote Zipkin service.
*/
return function send (zipkinSpans, done) {
if (zipkinSpans.length === 0) {
diag.debug('Zipkin send with empty spans')
return done({ code: ExportResultCode.SUCCESS })
}
zipkinSpans.forEach(span => {
const isRootClient = span.kind === 'CLIENT' && !span.parentId
if (isRootClient) return
/* CUSTOM - DROP USELESS TRACE */
if ((span.duration > Constants.MINIMUM_TRACE_DURATION)) {
transport.send('trace-span', span)
}
})
return done({ code: ExportResultCode.SUCCESS })
}
}
module.exports = { prepareSend }