apminsight/lib/instrument/modules/elasticsearch.js

monitor nodejs applications

var constants = require("./../../constants"); //No I18N
var url = require("url");
var logger = require("./../../util/logger");

var componentName = "ELASTICSEARCH"; //No I18N

var moduleInfo = {
    functions: [
        {
            functionName: "Transport.prototype.request",
            component: componentName,
            trackerType: constants.esTracker,
            extractInfo: extractHostInfo
        }
    ]
};

/* eslint-disable no-unused-vars */
function extractHostInfo(invoker, params, returnObj, tracker) {
    var info = {};
    info.params = params;
    try {
        if (
            invoker &&
            invoker.connectionPool &&
            invoker.connectionPool.connections &&
            invoker.connectionPool.connections[0].url
        ) {
            var urlInfo = invoker.connectionPool.connections[0].url;
            info.host = urlInfo.hostname
                ? urlInfo.protocol + "//" + urlInfo.hostname
                : "";
            info.port = urlInfo.port ? urlInfo.port : 80;
        } else if (invoker && invoker._config && invoker._config.host) {
            var hostInfo = invoker._config.host;
            var { protocol, hostname, port } = new url.URL(hostInfo);
            info.host = hostname ? protocol + "//" + hostname : "";
            info.port = port ? port : 80;
        }
    } catch (err) {
        logger.error(
            "Error while getting the host details in Elastic search component. :: ",
            err
        );
    }
    tracker.updateInfo(info);
}
/* eslint-enable no-unused-vars */

module.exports = moduleInfo;