triggerJenkins.js

const request = require('request');
const { Webhooks } = require('@qasymphony/pulse-sdk');

exports.handler = function ({ event: body, constants, triggers }, context, callback) {
    function emitEvent(name, payload) {
        let t = triggers.find(t => t.name === name);
        return t && new Webhooks().invoke(t, payload);
    }

    var url = "http://" + constants.JenkinsUserName + ":" + constants.JenkinsAPIToken + "@" +
        constants.JenkinsURL + '/crumbIssuer/api/xml?xpath=concat(//crumbRequestField,":",//crumb)';

    request.get({ url: url, insecure: true }, function (err, response, body) {
        if (!err) {
            var crumb = body.split(":")[1];

            var joburl = "http://" + constants.JenkinsUserName + ":" + constants.JenkinsAPIToken + "@" +
                constants.JenkinsURL + "/job/" + constants.JenkinsJobName + "/build?token=" + constants.JenkinsJobToken
            var opts = {
                url: joburl,
                insecure: true,
                contentType: "application/x-www-form-urlencoded; charset=UTF-8",
                headers: {
                    "Jenkins-Crumb": crumb
                }
            }

            request.post(opts, function (err, res, bd) {
                emitEvent('$YOUR_SLACK_EVENT_NAME', { JenkinsCallSuccess: "Jenkins Build just kicked off for project " + constants.JenkinsJobName });
            })
        }
    })
}