Delete an AWS IoT thing and all its attached certificates.

deleteAwsThing.js

'use strict';

var AWS = require('aws-sdk');
AWS.config.region = 'us-east-1';
var iot = new AWS.Iot();

function deleteThing(name, policyName) {
    console.log('Deleting thing "' + name + '"');
    let params = {thingName: name};

    iot.listThingPrincipals(params).promise()
        .then((data) => {
            //console.log(data.principals);
            var principals = data.principals;
            return Promise.all(principals.map(p => {
                console.log("removing principal " + p);
                let certId = p.substr(p.indexOf("/") + 1);
                console.log("certName: " + certId);
                return iot.detachThingPrincipal({thingName: name, principal: p}).promise()
                    .then(() => iot.detachPrincipalPolicy({policyName, principal: p}).promise())
                    .then(() => iot.updateCertificate({certificateId: certId, newStatus: "INACTIVE"}).promise())
                    .then(() => iot.deleteCertificate({certificateId: certId}).promise());
            }))
            .then(() => console.log("removed certs"));
        })
        .then(() => iot.deleteThing(params).promise())
        .then(() => console.log("deleted thing"))
        .catch((err) => console.error(err));
}

// deleteThing('boom', 'WedgePolicy');