async function deleteSensor()

in sensor/delete-sensor.js [30:87]
33 lines of code
2 McCabe index (conditional complexity)

async function deleteSensor(){

  try {

    var iot = new AWS.Iot();
  
    //remove the iot core endpoint
    settings.host = "";
    
    //attach thing to certificate
    await iot.detachThingPrincipal({thingName: settings.clientId, principal: settings.certificateArn}).promise();

    //delete the thing
    await iot.deleteThing({thingName: settings.clientId}).promise();

    //detach policy from certificate
    var policyName = 'Policy-' + settings.clientId;
    await iot.detachPolicy({ policyName: policyName, target: settings.certificateArn}).promise();

    //delete the IOT policy
    result = await iot.deletePolicy({policyName: policyName}).promise()

    //delete the certificates
    var certificateId = settings.certificateArn.split('/')[1];
    result = await iot.updateCertificate({certificateId:certificateId, newStatus:"INACTIVE"}).promise();
    result = await iot.deleteCertificate({certificateId:certificateId, forceDelete:true}).promise();
    settings.certificateArn = ""

    //delete the certificate files
    await fs.unlink(settings.keyPath);
    settings.keyPath = "";

    await fs.unlink(settings.certPath);
    settings.certPath = "";
    settings.caPath = "";

    //save the updated settings file
    settings.clientId = "";

    var data = JSON.stringify(settings, null, 2);
    await fs.writeFile(SETTINGS_FILE, data);

    mobileSettings.sensorId = "";
    data = JSON.stringify(mobileSettings, null, 2);
    await fs.writeFile(MOBILE_SETTINGS_FILE, data);

    //display results
    console.log('IoT Things Removed');
    console.log('AWS Region: ' + REGION);
    console.log('AWS Profile: ' + PROFILE);

  }
  catch (err) {

    console.log('Error deleting sensor');
    console.log(err.message);
  }
}