@azure/monitor-opentelemetry/dist/esm/index.js

Azure Monitor OpenTelemetry (Node.js)

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
import { metrics, trace } from "@opentelemetry/api";
import { logs } from "@opentelemetry/api-logs";
import { NodeSDK } from "@opentelemetry/sdk-node";
import { InternalConfig } from "./shared/config.js";
import { MetricHandler } from "./metrics/index.js";
import { TraceHandler } from "./traces/handler.js";
import { LogHandler } from "./logs/index.js";
import { AZURE_MONITOR_OPENTELEMETRY_VERSION, APPLICATIONINSIGHTS_STATSBEAT_ENABLED_PREVIEW, } from "./types.js";
import { BrowserSdkLoader } from "./browserSdkLoader/browserSdkLoader.js";
import { setSdkPrefix } from "./metrics/quickpulse/utils.js";
import { getInstance } from "./utils/statsbeat.js";
import { patchOpenTelemetryInstrumentationEnable } from "./utils/opentelemetryInstrumentationPatcher.js";
import { parseResourceDetectorsFromEnvVar } from "./utils/common.js";
process.env["AZURE_MONITOR_DISTRO_VERSION"] = AZURE_MONITOR_OPENTELEMETRY_VERSION;
let sdk;
let browserSdkLoader;
/**
 * Initialize Azure Monitor Distro
 * @param options - Azure Monitor OpenTelemetry Options
 */
export function useAzureMonitor(options) {
    const config = new InternalConfig(options);
    patchOpenTelemetryInstrumentationEnable();
    const statsbeatInstrumentations = {
        // Instrumentations
        azureSdk: config.instrumentationOptions?.azureSdk?.enabled,
        mongoDb: config.instrumentationOptions?.mongoDb?.enabled,
        mySql: config.instrumentationOptions?.mySql?.enabled,
        postgreSql: config.instrumentationOptions?.postgreSql?.enabled,
        redis: config.instrumentationOptions?.redis?.enabled,
        bunyan: config.instrumentationOptions?.bunyan?.enabled,
        winston: config.instrumentationOptions?.winston?.enabled,
    };
    const statsbeatFeatures = {
        browserSdkLoader: config.browserSdkLoaderOptions.enabled,
        aadHandling: !!config.azureMonitorExporterOptions?.credential,
        diskRetry: !config.azureMonitorExporterOptions?.disableOfflineStorage,
        rateLimitedSampler: !!config.tracesPerSecond,
        customerStatsbeat: process.env[APPLICATIONINSIGHTS_STATSBEAT_ENABLED_PREVIEW] === "True",
    };
    getInstance().setStatsbeatFeatures(statsbeatInstrumentations, statsbeatFeatures);
    if (config.browserSdkLoaderOptions.enabled) {
        browserSdkLoader = new BrowserSdkLoader(config);
    }
    // Remove global providers in OpenTelemetry, these would be overridden if present
    metrics.disable();
    trace.disable();
    logs.disable();
    // Create internal handlers
    const metricHandler = new MetricHandler(config);
    const traceHandler = new TraceHandler(config, metricHandler);
    const logHandler = new LogHandler(config, metricHandler);
    const instrumentations = traceHandler
        .getInstrumentations()
        .concat(logHandler.getInstrumentations());
    const resourceDetectorsList = parseResourceDetectorsFromEnvVar();
    // Add extra SpanProcessors, and logRecordProcessors from user configuration
    const spanProcessors = options?.spanProcessors || [];
    const logRecordProcessors = options?.logRecordProcessors || [];
    // Initialize OpenTelemetry SDK
    const sdkConfig = {
        autoDetectResources: true,
        metricReader: metricHandler.getMetricReader(),
        views: metricHandler.getViews(),
        instrumentations: instrumentations,
        logRecordProcessors: [
            logHandler.getAzureLogRecordProcessor(),
            ...logRecordProcessors,
            logHandler.getBatchLogRecordProcessor(),
        ],
        resource: config.resource,
        sampler: traceHandler.getSampler(),
        spanProcessors: [
            traceHandler.getAzureMonitorSpanProcessor(),
            ...spanProcessors,
            traceHandler.getBatchSpanProcessor(),
        ],
        resourceDetectors: resourceDetectorsList,
    };
    sdk = new NodeSDK(sdkConfig);
    setSdkPrefix();
    sdk.start();
}
/**
 * Shutdown Azure Monitor Open Telemetry Distro
 * @see https://github.com/open-telemetry/opentelemetry-js/blob/0229434cb5a3179f63c021105f36270ae7897929/experimental/packages/opentelemetry-sdk-node/src/sdk.ts#L398
 */
export function shutdownAzureMonitor() {
    browserSdkLoader?.dispose();
    return sdk?.shutdown();
}
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