openstack/swift
Code Issues Proposed changes
OpenStack Storage (Swift)
6,017 Commits 20 Branches 27 Tags 187 MiB
Python 99.6%
JavaScript 0.3%
a4279112b3
Go to file
Kazuhiro MIYAHARA a4279112b3 Remove meaningless lines in reconciler unit test 
There are two lines in which lists are sorted in test_reconciler.py
However, the values in the lists will be same, then the two lines are
meaningless.
This patch removes the two lines from test_reconciler.py

Change-Id: I7d72a7a4e9a27d87cd78c96f79d1b340b2ad23de
2016-09-01 21:26:05 +09:00
api-ref/source Merge "Add "history" mode to versioned_writes middleware" 2016-08-26 08:33:45 +00:00
bin fix swift_oldies on RH based systems 2016-08-11 16:24:57 -04:00
doc Merge "Add "history" mode to versioned_writes middleware" 2016-08-26 08:33:45 +00:00
etc Documantation enhancements of nice/ionice feature 2016-08-19 07:39:49 +02:00
examples Add a user variable to templates 2013-09-17 11:46:04 +10:00
install-guide/source [install-guide] Include environment-networking 2016-08-08 18:59:34 +02:00
swift Merge "Close the iterators in string_along." 2016-08-31 00:15:33 +00:00
test Remove meaningless lines in reconciler unit test 2016-09-01 21:26:05 +09:00
.alltests Script for running unit, func and probe tests at once 2015-10-13 09:10:09 +02:00
.coveragerc Fix .coveragrc to prevent nose tests error 2015-09-21 10:06:29 +01:00
.functests add reminder how to run debug func tests 2016-08-09 15:42:20 -04:00
.gitignore Add .eggs/* to .gitignore 2016-03-22 11:53:49 +00:00
.gitreview Add .gitreview config file for gerrit. 2011-10-24 15:05:49 -04:00
.mailmap authors and changelog updates for 2.9.0 release 2016-07-13 15:42:16 -05:00
.manpages Script for checking sanity of manpages 2016-02-10 14:16:56 -08:00
.probetests Allow specify arguments to .probetests script 2013-12-24 01:18:19 -08:00
.testr.conf Fix func test --until-failure and --no-discover options 2015-12-16 15:28:25 +00:00
.unittests Fix coverage report for newer versions of coverage 2014-04-24 16:50:03 +00:00
AUTHORS authors and changelog updates for 2.9.0 release 2016-07-13 15:42:16 -05:00
babel.cfg add pybabel setup.py commands and initial .pot 2011-01-27 00:01:24 +00:00
bandit.yaml Adding bandit for security static analysis testing in swift 2015-07-31 07:37:33 +05:30
bindep.txt Move other-requirements.txt to bindep.txt 2016-08-12 21:18:07 +02:00
CHANGELOG authors and changelog updates for 2.9.0 release 2016-07-13 15:42:16 -05:00
CONTRIBUTING.rst Rework the contributor docs 2016-05-05 22:02:47 -07:00
LICENSE Convert LICENSE to use unix style line endings. 2012-12-19 12:48:27 -05:00
MANIFEST.in Fix locale directory in MANIFEST.in 2016-05-19 15:56:15 +02:00
README.rst made link in README.rst more clear 2016-08-01 15:43:25 +00:00
requirements.txt Update dnspython to 1.14 2016-07-08 07:56:16 +00:00
REVIEW_GUIDELINES.rst Fix minor typos in review guidelines 2016-04-29 04:01:39 -05:00
setup.cfg modify the home-page info with the developer documentation 2016-07-29 11:43:32 +08:00
setup.py taking the global reqs that we can 2014-05-21 09:37:22 -07:00
test-requirements.txt Add install-guide for swift 2016-07-07 08:00:21 +02:00
tox.ini py3: tox.ini: use substituation to py35 commands 2016-08-22 10:44:17 +02:00

README.rst

Swift

A distributed object storage system designed to scale from a single machine to thousands of servers. Swift is optimized for multi-tenancy and high concurrency. Swift is ideal for backups, web and mobile content, and any other unstructured data that can grow without bound.

Swift provides a simple, REST-based API fully documented at http://docs.openstack.org/.

Swift was originally developed as the basis for Rackspace's Cloud Files and was open-sourced in 2010 as part of the OpenStack project. It has since grown to include contributions from many companies and has spawned a thriving ecosystem of 3rd party tools. Swift's contributors are listed in the AUTHORS file.

Docs

To build documentation install sphinx (pip install sphinx), run python setup.py build_sphinx, and then browse to /doc/build/html/index.html. These docs are auto-generated after every commit and available online at http://docs.openstack.org/developer/swift/.

For Developers

Getting Started

Swift is part of OpenStack and follows the code contribution, review, and testing processes common to all OpenStack projects.

If you would like to start contributing, check out these notes to help you get started.

The best place to get started is the "SAIO - Swift All In One". This document will walk you through setting up a development cluster of Swift in a VM. The SAIO environment is ideal for running small-scale tests against swift and trying out new features and bug fixes.

Tests

There are three types of tests included in Swift's source tree.

  1. Unit tests
  2. Functional tests
  3. Probe tests

Unit tests check that small sections of the code behave properly. For example, a unit test may test a single function to ensure that various input gives the expected output. This validates that the code is correct and regressions are not introduced.

Functional tests check that the client API is working as expected. These can be run against any endpoint claiming to support the Swift API (although some tests require multiple accounts with different privilege levels). These are "black box" tests that ensure that client apps written against Swift will continue to work.

Probe tests are "white box" tests that validate the internal workings of a Swift cluster. They are written to work against the "SAIO - Swift All In One" dev environment. For example, a probe test may create an object, delete one replica, and ensure that the background consistency processes find and correct the error.

You can run unit tests with .unittests, functional tests with .functests, and probe tests with .probetests. There is an additional .alltests script that wraps the other three.

Code Organization

  • bin/: Executable scripts that are the processes run by the deployer
  • doc/: Documentation
  • etc/: Sample config files
  • examples/: Config snippets used in the docs
  • swift/: Core code
    • account/: account server
    • cli/: code that backs some of the CLI tools in bin/
    • common/: code shared by different modules
      • middleware/: "standard", officially-supported middleware
      • ring/: code implementing Swift's ring
    • container/: container server
    • locale/: internationalization (translation) data
    • obj/: object server
    • proxy/: proxy server
  • test/: Unit, functional, and probe tests

Data Flow

Swift is a WSGI application and uses eventlet's WSGI server. After the processes are running, the entry point for new requests is the Application class in swift/proxy/server.py. From there, a controller is chosen, and the request is processed. The proxy may choose to forward the request to a back- end server. For example, the entry point for requests to the object server is the ObjectController class in swift/obj/server.py.

For Deployers

Deployer docs are also available at http://docs.openstack.org/developer/swift/. A good starting point is at http://docs.openstack.org/developer/swift/deployment_guide.html

There is an ops runbook that gives information about how to diagnose and troubleshoot common issues when running a Swift cluster.

You can run functional tests against a swift cluster with .functests. These functional tests require /etc/swift/test.conf to run. A sample config file can be found in this source tree in test/sample.conf.

For Client Apps

For client applications, official Python language bindings are provided at http://github.com/openstack/python-swiftclient.

Complete API documentation at http://docs.openstack.org/api/openstack-object-storage/1.0/content/

There is a large ecosystem of applications and libraries that support and work with OpenStack Swift. Several are listed on the associated projects page.

For more information come hang out in #openstack-swift on freenode.

Thanks,

The Swift Development Team