81 lines
2.6 KiB
JavaScript
81 lines
2.6 KiB
JavaScript
/*
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* Copyright The OpenTelemetry Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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const { diag, metrics } = require('@opentelemetry/api');
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const {
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NodeTracerProvider,
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BatchSpanProcessor,
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} = require('@opentelemetry/sdk-trace-node');
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const { MeterProvider } = require('@opentelemetry/sdk-metrics');
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const {
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OTLPTraceExporter,
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} = require('@opentelemetry/exporter-trace-otlp-grpc');
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const { PrometheusExporter } = require('@opentelemetry/exporter-prometheus');
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const { resourceFromAttributes } = require('@opentelemetry/resources');
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const { ATTR_SERVICE_NAME } = require('@opentelemetry/semantic-conventions');
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const { OpenCensusMetricProducer } = require('@opentelemetry/shim-opencensus');
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const instrumentationHttp = require('@opencensus/instrumentation-http');
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const { TracingBase } = require('@opencensus/nodejs-base');
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const oc = require('@opencensus/core');
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module.exports = function setup(serviceName) {
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/**
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* You can alternatively just use the @opentelemetry/nodejs package directly:
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*
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* ```js
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* const tracing = require('@opencensus/nodejs');
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* ```
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*/
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const tracing = new TracingBase(['http']);
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tracing.tracer = new oc.CoreTracer();
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const resource = resourceFromAttributes({
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[ATTR_SERVICE_NAME]: serviceName,
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});
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const tracerProvider = new NodeTracerProvider({
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resource,
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spanProcessors: [
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new BatchSpanProcessor(new OTLPTraceExporter(), {
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scheduledDelayMillis: 5000,
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}),
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],
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});
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tracerProvider.register();
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const meterProvider = new MeterProvider({
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resource,
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readers: [
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new PrometheusExporter({
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metricProducers: [
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new OpenCensusMetricProducer({
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openCensusMetricProducerManager:
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oc.Metrics.getMetricProducerManager(),
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}),
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],
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}),
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],
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});
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metrics.setGlobalMeterProvider(meterProvider);
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// Start OpenCensus tracing
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tracing.start({ samplingRate: 1, logger: diag, stats: oc.globalStats });
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// Register OpenCensus HTTP stats views
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instrumentationHttp.registerAllViews(oc.globalStats);
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return tracerProvider;
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};
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