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Description:

rally 4.1.0

Rally is tool & framework that allows one to write simple plugins and combine
them in complex tests scenarios that allows to perform all kinds of testing!

Team and repository tags

What is Rally
Rally is intended to provide a testing framework that is
capable to perform specific, complicated and reproducible
test cases on real deployment scenarios.
Rally workflow can be visualized by the following diagram:

Who Is Using Rally

Documentation
Rally documentation on ReadTheDocs
is a perfect place to start learning about Rally. It provides you with an
easy and illustrative guidance through this benchmarking tool.
For example, check out the Rally step-by-step tutorial that
explains, in a series of lessons, how to explore the power of Rally in
benchmarking your OpenStack clouds.

Architecture
In terms of software architecture, Rally is built of 4 main components:

Environment - one of key component in Rally. It manages and stores
information about tested platforms. Env manager is using platform plugins
to: create, delete, cleanup, check health, obtain information about
platforms.
Task component is responsible for executing tests defined in
task specs, persisting and reporting results.
Verification component allows to wrap subunit-based testing tools and
provide complete tool on top of them with allow to do pre configuration,
post cleanup as well process and persist results to Rally DB for future use
like reporting and results comparing.

Use Cases
There are 3 major high level Rally Use Cases:

Typical cases where Rally aims to help are:

Automate measuring & profiling focused on how new code changes affect the
OpenStack performance;
Using Rally profiler to detect scaling & performance issues;
Investigate how different deployments affect the OS performance:

Find the set of suitable OpenStack deployment architectures;
Create deployment specifications for different loads (amount of
controllers, swift nodes, etc.);

Automate the search for hardware best suited for particular OpenStack cloud;
Automate the production cloud specification generation:

Determine terminal loads for basic cloud operations: VM start & stop,
Block Device create/destroy & various OpenStack API methods;
Check performance of basic cloud operations in case of different loads.

Links

Free software: Apache license
Documentation: https://rally.readthedocs.org/en/latest/
Source: https://opendev.org/openstack/rally
Bugs: https://bugs.launchpad.net/rally
Step-by-step tutorial: https://rally.readthedocs.io/en/latest/quick_start/tutorial.html
Launchpad page: https://launchpad.net/rally
Gitter chat: https://gitter.im/rally-dev/Lobby
Trello board: https://trello.com/b/DoD8aeZy/rally