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FIWARE.ArchitectureDescription.Cloud.SelfServiceInterfaces - FIWARE Forge Wiki

FIWARE.ArchitectureDescription.Cloud.SelfServiceInterfaces

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Copyright

Copyright © 2013 by UPM. All Rights Reserved.

Legal Notice

Please check the following Notice to understand the rights to use these specifications.

Overview

This specification describes the Self Service Interfaces GE which is enabler for user/admin to better interact with the cloud infrastructure. The main goal of the Self Service Interfaces is to provide a user interface and libraries as a support for the administrators and the users to easily manage their services deployed in the FIWARE cloud. This GE consist of several components that enable the management Openstack Cloud resources, such us Instances, Volumes, Networks, etc.

The Self Services Interfaces is divided in two parts: User Portal and Toolkit.

The User Portal is implemented in a form of a Web GUI following the example of the portals that today's common cloud infrastructure managers like Amazon EC2, Eucalyptus,Cloud Sigma, Rackspace, etc. have. In concrete it bases its design principles on the OpenStack Horizon Dashboard. The basic objective of the user portal is to facilitate the user of the cloud perform operations over the underlying infrastructure. This includes perform actions such as: launching instances on a base of images, create images in the image repository, create networks and subnetworks, etc. Moreover, the portal facilitates the management of these resources in a multi-tenant way, as the Openstack infrastructure allows.

The Toolkit is aimed for administrators and experienced users and it consist of various scripts that permit to perform the same actions the user portal does and some more advanced options. These scripts are available in form of Javascript snippets, than can be executed from any administration terminal compatible with than technology.

Basic Concepts

As Self Services Interfaces is a set of tools to access the rest of Cloud components, the basic concepts that a user has to know are the same that in the underlying modules, described in other sections of this architecture specification.

Generic Architecture

The following diagram on Figure 1 shows the main components of the Self Service Interfaces GE, as well as their main interactions.



Figure 1: Self Service Interfaces GE


User Portal

A web client-side application implemented in JavaScript, that follows the structure as the OpenStack Horizon component, but has extended functionality to meet the requirements of other GE components, such us Service Deployment and Configuration GE (SDC) or PaaS Manager. It is a Backbone-based application that follows the (Model-View-Controller) MVC design principles and aims at improving the user experience by using AJAX. The portal uses the underlying Cloud Library.

Toolkit

A direct command line interface to the cloud infrastructure and platform aimed for experienced users. The toolkit uses the cloud library and its different APIs to perform different calls to the Openstack components (Nova, Glance, Swift, etc) and other FIWARE GEs (SDC, PaaS Manager, Keyrock, etc).

Cloud Library

This library consist of sub-libraries developed in JavaScript. Each of them implement specific APIs to enable the use of the underlying GE from the User Portal or with the Toolkit.

Main Interactions

As shown above, User Portal UI and Toolkit interact with several GEs of this and other chapters.

  • Compute: using this component users can manage virtual machines and all the tools needed to access them (keypairs, security groups, etc)
  • ObjectStorage: it allows the users to save items in containers.
  • Monitoring: this component gets monitoring information from virtual machines and provides it to the users.
  • Image: image service stores the available images from which users can launch instances.
  • Volume: if a user wants to add a persistent device to a VM this component will provide the needed tools.
  • Network: used for networks, subnetworks and routers management.
  • Identity Management: provides Keystone tools and Authorization mechanisms.

Basic Design Principles

The User Portal design has the following key features:

  • Client side app accessible within an HTML5 Page (no Web server is needed to interact with back-end)
  • Internationalization: i18n (supports currently 4 languages)
  • Responsive design: adaptable to multiple device screens (desktop, smartphone, tablet, etc)
  • Customizable Object Oriented CSS
  • Dynamic web app refreshed automatically as backend changes

The Toolkit contains Node.js based scripts as a JavaScript implementation of different APIs.

The Cloud Library comprises of libraries that contain various JavaScript APIS: OpenStack APIs, OpenStack API extensions, CDMI APIs and Monitoring APIs. Each of these APIs are organized in the following libraries: ovf, sdc, jstack, cdmi and the monitoring library.


References

[Keystone] Open Stack Keystone. http://keystone.openstack.org, 2012
[Dashboard] Open Stack Dashboard. http://wiki.openstack.org/OpenStackDashboard, 2012
[Glance] Open Stack Glance image repository documentation. http://glance.openstack.org, 2012
[Amazon EC2] Amazon Management Console. http://aws.amazon.com/console, 2012
[Eucalyptus] Eucalyptus web-based front-end. http://open.eucalyptus.com/wiki/EucalyptusManagement_v1.5, 2012
[Rackspace] Rackspace control panel. http://en.wikipedia.org/wiki/File:Rackspace_Cloud_control_panel_screenshot.png
[Cloud Sigma] Cloud Sigma web interface. http://cloudsigma.com/en/platform-details/intuitive-web-interface, 2012
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