@aws/aws-distro-opentelemetry-node-autoinstrumentation/build/src/exporter/aws/metrics/console-emf-exporter.js

This package provides Amazon Web Services distribution of the OpenTelemetry Node Instrumentation, which allows for auto-instrumentation of NodeJS applications.

"use strict";
// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
Object.defineProperty(exports, "__esModule", { value: true });
exports.ConsoleEMFExporter = void 0;
const emf_exporter_base_1 = require("./emf-exporter-base");
/**
 * OpenTelemetry metrics exporter for CloudWatch EMF format to console output.
 *
 * This exporter converts OTel metrics into CloudWatch EMF logs and writes them
 * to standard output instead of sending to CloudWatch Logs. This is useful for
 * debugging, testing, or when you want to process EMF logs with other tools.
 *
 * https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch_Embedded_Metric_Format_Specification.html
 */
class ConsoleEMFExporter extends emf_exporter_base_1.EMFExporterBase {
    /**
     * Constructor for the Console EMF exporter.
     *
     * @param namespace CloudWatch namespace for metrics (defaults to "default")
     * @param aggregationTemporalitySelector Optional Aggregation temporality selector based on metric instrument types.
     * @param aggregationSelector Optional Aggregation selector based on metric instrument types
     */
    constructor(namespace = 'default', aggregationTemporalitySelector, aggregationSelector) {
        super(namespace, aggregationTemporalitySelector, aggregationSelector);
    }
    /**
     * This method writes the EMF log message to stdout, making it easy to
     * capture and redirect the output for processing or debugging purposes.
     *
     * @param logEvent The log event containing the message to send
     * @returns {Promise<void>}
     */
    async sendLogEvent(logEvent) {
        console.log(logEvent.message);
    }
    /**
     * Force flush any pending metrics.
     * For this exporter, there is nothing to forceFlush.
     */
    async forceFlush() { }
    /**
     * Shutdown the exporter.
     * For this exporter, there is nothing to clean-up in order to shutdown.
     */
    async shutdown() { }
}
exports.ConsoleEMFExporter = ConsoleEMFExporter;
//# sourceMappingURL=console-emf-exporter.js.map