ibmapm-restclient/lib/tools/icpcontroller.js

Node.js rest client for ICAM.

'use strict';
var k8sutil = require('./k8sutil');
var logger = require('../plugins/logutil').getLogger('icpcontroller.js');
var EventEmitter = require('events').EventEmitter;
var event = new EventEmitter();
var count = 1;

var intervalObj;

function ICPController() {
    intervalObj = setInterval(controlConn, 1000);
    intervalObj.unref();
}

function controlConn() {
    count++;
    if (count > 10) {
        logger.debug('Emit conn_ready_on_icp event with timeout.');
        event.emit('conn_ready_on_icp', 1);
        clearInterval(intervalObj);
        return;
    }
    logger.debug('check ICp evn.', k8sutil.getIngressUrl());
    if (!k8sutil.getIngressUrl()) {
        return;
    }
    if (k8sutil.getNodeIPs().length <= 0) {
        return;
    }
    logger.debug('Emit conn_ready_on_icp event.');
    event.emit('conn_ready_on_icp', 0);
    clearInterval(intervalObj);

};

ICPController.prototype.getEvent = function getEvent() {
    return event;
};

ICPController.prototype.stop = function() {
    logger.debug('Stop ICPController.');
    if (intervalObj) {
        clearInterval(intervalObj);
    }
};

module.exports = new ICPController();