@cran/gql.koa/mjs/MetricTracer.js

Cran/GraphQL Koa Server

import { BatchSpanProcessor } from "@opentelemetry/sdk-trace-base";
import { GraphQLInstrumentation } from "@opentelemetry/instrumentation-graphql";
import { HttpInstrumentation } from "@opentelemetry/instrumentation-http";
import { KoaInstrumentation } from "@opentelemetry/instrumentation-koa";
import { MetricSpanExporter } from "./MetricSpanExporter";
import { NodeSDK } from "@opentelemetry/sdk-node";
export class MetricTracer {
    sdk;
    constructor(config = {}) {
        const instrumentations = config.instrumentations ||
            MetricTracer.defaultInstrumentations;
        if (config.instrumentations && !config.overrideInstrumentations) {
            instrumentations.push(...MetricTracer.defaultInstrumentations);
        }
        this.sdk = new NodeSDK({
            spanProcessor: new BatchSpanProcessor(new MetricSpanExporter(config)),
            instrumentations,
        });
    }
    async start() {
        process.on("SIGTERM", () => {
            void this.sdk.shutdown();
        });
        return this.sdk.start();
    }
}
(function (MetricTracer) {
    MetricTracer.defaultInstrumentations = [
        new HttpInstrumentation(),
        new KoaInstrumentation(),
        new GraphQLInstrumentation(),
    ];
})(MetricTracer || (MetricTracer = {}));