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SDKs

Software Development Kits

SDKs are a vital part of the OpenStack ecosystem, they help developers write applications for OpenStack and other clouds. For a list of the official OpenStack Python client libraries, see OpenStackClients.

Definition

  1. A set of language bindings that provide a language-level API for accessing OpenStack in a manner consistent with language standards.
  2. A Getting Started document that shows how to use the API to access OpenStack powered clouds.
  3. Detailed API reference documentation.
  4. Tested sample code that you can use as a "starter kit" for your own OpenStack applications.
  5. SDKs treat OpenStack as a blackbox and only interact with the REST/HTTP API.
  6. Must be sustainable.
  7. License must be compatible with Apache License v2.

Additional Criteria

What criteria is used to determine whether or not an SDK can be considered an OpenStack SDK has not been formalized. This has been initially discussed at the OpenStack Grizzly Summit (etherpad). Naturally the SDK will need to meet the definition above. In addition we thought the OpenStack Foundation may want to consider a compatibility test suite that will validate whether or not an SDK supports OpenStack.

These are items that could be used as criteria to define an SDK but themselves require further definition w.r.t. SDKs.

  1. Handle extensions in some way.
  2. Backwards compatibility.
  3. Compatibility with test suite.

Official OpenStack Clients

The OpenStackClients are the native Python bindings for the OpenStack APIs. They are used to implement the command-line interfaces (which ship with the library).

Known SDKs

What follows is a list of known SDKs that support OpenStack. This is not a list of official OpenStack SDKs. What constitutes an official OpenStack SDK has not been determined. This is an area the needs more work (see Criteria section).

To date, SDKs that support OpenStack fall into two categories. SDKs that support multiple clouds including OpenStack (aka multi-cloud toolkits) and SDKs that support OpenStack only. If you're aware of any other SDKs, please add them to the lists below.

OpenStack Toolkits

Go

  • Gophercloud provides a Go binding to OpenStack cloud APIs.

Java

JavaScript

  • pkgcloud is a Multi-cloud library for Node.js that supports OpenStack
  • jstack is a JavaScript client library for the OpenStack API.
  • js-openclient is a very opinionated core client which can be used in either Node.js or in the browser (browser support not yet complete) to communicate with a RESTful APIs, including but not limited to any OpenStack-compatible API. (last updated 2015)
  • node-openstack-wrapper is a convenience wrapper for many of Openstack's common features with a focus on projects/tenants.

.NET

PHP

  • php-opencloud/openstack is a PHP SDK for OpenStack. It is actively maintained and supports latest OpenStack identity api (Keystone v3).

SDK covers following api: BlockStorage v2, Compute v2, Identity Keystone v2 and v3, Images v2, Networking v2 including Layer3 extension and Security Groups extension, Object Storage v1, Gnocchi v1

Python

  • OpenStack Shade shade is a simple client library for operating OpenStack clouds that abstracts deployer differences
  • The SDK-Development/PythonOpenStackSDK project is a proposed solution to offering an SDK that provides a single point of entry for consumers, and a base from which other tools can be built upon, such as command-line interfaces.
  • The OpenStackClients are the native Python bindings for the OpenStack APIs. They are used to implement the command-line interfaces (which ship with the library).
  • Apache libcloud is a Python library that abstracts away differences among multiple cloud provider APIs.

Ruby

  • fog is a Multi-cloud Ruby library with support for OpenStack
  • Aviator An elegantly designed OpenStack SDK for Ruby (hasn't been updated since 2015)

Toolkits targetting Specific OpenStack Projects

C

C++

SWIFT_CPP_SDK is a C++ binding for accessing the Swift REST API.

go

  • swift implements Swift client on Go. Keystone v1,v2,v3 is supported

Java

Perl

  • Net::OpenStack::Compute provides Perl bindings for the OpenStack Compute API. It also provides a command line tool oscompute for interacting with an OpenStack deployment. (last updated 2015)

Ruby

  • swift_client Small but powerful client to interact with OpenStack Swift
  • nightcrawler_swift Like the X-Men nightcrawler this gem teleports your assets to a OpenStack Swift bucket/container
  • swift-storage Simple Openstack Swift storage client.