jolokia.js v2.2.4

Jolokia JavaScript Client library

The Jolokia JavaScript library provides a JavaScript API to the to the Jolokia agent. Refer to Reference Manual for more details on how to use the library.

This client provides the following three libraries:

• jolokia.js: Base library containing the Jolokia object definition which carries the request()
• jolokia-simple.js: Library containing the Jolokia simple API and which builds up on jolokia.js. It must be included after jolokia.js since it adds methods to the Jolokia object definition.
• jolokia-cubism.js: Jolokia comes with a plugin for Cubism and can act as a data source.

Installation

NPM:

npm i jolokia.js

Yarn:

yarn add jolokia.js

Usage

Base library

import Jolokia from "jolokia.js";

const jolokia = new Jolokia("/jolokia");
const response = jolokia.request({
    type: "read",
    mbean: "java.lang:type=Memory",
    attribute: "HeapMemoryUsage",
    path: "used"
});
console.log("Heap Memory used:", response.value);

Simple API

import Jolokia from "jolokia.js";
import "jolokia.js/simple";

const jolokia = new Jolokia("/jolokia");
const value = jolokia.getAttribute("java.lang:type=Memory", "HeapMemoryUsage", "used");
console.log("Heap Memory used:", value);

Cubism source

import cubism from "cubism";
import "jolokia.js";
import "jolokia.js/cubism";

const context = cubism.context();
const jolokia = context.jolokia("/jolokia");
const metricMem = jolokia.metric({
    type: "read",
    mbean: "java.lang:type=Memory",
    attribute: "HeapMemoryUsage",
    path: "used"
}, "HeapMemory Usage");
...