README.rst


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==============
Kolla Overview
==============

The Kolla project is a member of the OpenStack `Big Tent
Governance <http://governance.openstack.org/reference/projects/index.html>`__.

Kolla's mission statement is:

::

    To provide production-ready containers and deployment tools for operating
    OpenStack clouds.

Kolla provides `Docker <http://docker.com/>`__ containers and
`Ansible <http://ansible.com/>`__ playbooks to meet Kolla's mission.

Kolla is highly opinionated out of the box, but allows for complete
customization. This permits operators with little experience to deploy
OpenStack quickly and as experience grows modify the OpenStack
configuration to suit the operator's exact requirements.

Getting Started
===============

Learn about Kolla by reading the documentation online
`docs.openstack.org <http://docs.openstack.org/developer/kolla/>`__.

Get started by reading the `Developer
Quickstart <http://docs.openstack.org/developer/kolla/quickstart.html>`__.

Docker images
=============

The `Docker images <https://docs.docker.com/engine/tutorials/dockerimages/>`__
are built by the Kolla project maintainers. A detailed process for
contributing to the images can be found in the `image building
guide <http://docs.openstack.org/developer/kolla/image-building.html>`__.

The Kolla developers build images in the `kolla` namespace for every tagged
release and implement an Ansible roles for many but not all of them.

You can view the available images on `Docker Hub
<https://hub.docker.com/u/kolla/>`__ or with the Docker CLI::

    $ sudo docker search kolla

OpenStack services
------------------

Kolla provides images to deploy the following OpenStack projects:

- `Aodh <http://docs.openstack.org/developer/aodh/>`__
- `Barbican <http://docs.openstack.org/developer/barbican/>`__
- `Bifrost <http://docs.openstack.org/developer/bifrost/>`__
- `Ceilometer <http://docs.openstack.org/developer/ceilometer/>`__
- `Cinder <http://docs.openstack.org/developer/cinder/>`__
- `CloudKitty <http://docs.openstack.org/developer/cloudkitty/>`__
- `Congress <http://docs.openstack.org/developer/congress/>`__
- `Designate <http://docs.openstack.org/developer/designate/>`__
- `Glance <http://docs.openstack.org/developer/glance/>`__
- `Gnocchi <http://docs.openstack.org/developer/gnocchi/>`__
- `Heat <http://docs.openstack.org/developer/heat/>`__
- `Horizon <http://docs.openstack.org/developer/horizon/>`__
- `Ironic <http://docs.openstack.org/developer/ironic/>`__
- `Keystone <http://docs.openstack.org/developer/keystone/>`__
- `Kuryr <http://docs.openstack.org/developer/kuryr/>`__
- `Magnum <http://docs.openstack.org/developer/magnum/>`__
- `Manila <http://docs.openstack.org/developer/manila/>`__
- `Mistral <http://docs.openstack.org/developer/mistral/>`__
- `Murano <http://docs.openstack.org/developer/murano/>`__
- `Neutron <http://docs.openstack.org/developer/neutron/>`__
- `Nova <http://docs.openstack.org/developer/nova/>`__
- `Rally <http://docs.openstack.org/developer/rally/>`__
- `Sahara <http://docs.openstack.org/developer/sahara/>`__
- `Senlin <http://docs.openstack.org/developer/senlin/>`__
- `Swift <http://docs.openstack.org/developer/swift/>`__
- `Tempest <http://docs.openstack.org/developer/tempest/>`__
- `Trove <http://docs.openstack.org/developer/trove/>`__
- `Vmtp <http://vmtp.readthedocs.io/en/latest/>`__
- `Watcher <http://docs.openstack.org/developer/watcher/>`__
- `Zaqar <http://docs.openstack.org/developer/zaqar/>`__

Infrastructure components
-------------------------

Kolla provides images to deploy the following infrastructure components:

- `Ceph <http://ceph.com/>`__ implementation for Cinder, Glance and Nova
- `collectd <https://collectd.org>`__,
  `InfluxDB <https://influxdata.com/time-series-platform/influxdb/>`__, and
  `Grafana <http://grafana.org>`__ for performance monitoring.
- `Elasticsearch <https://www.elastic.co/de/products/elasticsearch>`__ and
   `Kibana <https://www.elastic.co/de/products/kibana>`__ to search, analyze,
   and visualize log messages.
- `HAProxy <http://www.haproxy.org/>`__ and
  `Keepalived <http://www.keepalived.org/>`__ for high availability of services
  and their endpoints.
- `Heka <http://hekad.readthedocs.org/>`__ A distributed and
  scalable logging system for OpenStack services.
- `MariaDB and Galera Cluster <https://mariadb.com/kb/en/mariadb/galera-cluster/>`__
  for highly available MySQL databases
- `MongoDB <https://www.mongodb.org/>`__ as a database backend for Ceilometer
  and Gnocchi
- `Open vSwitch <http://openvswitch.org/>`__ and Linuxbridge backends for Neutron
- `RabbitMQ <https://www.rabbitmq.com/>`__ as a messaging backend for
  communication between services.

Directories
===========

-  ``ansible`` - Contains Ansible playbooks to deploy Kolla in Docker
   containers.
-  ``demos`` - Contains a few demos to use with Kolla.
-  ``dev/vagrant`` - Contains a vagrant VirtualBox/Libvirt based development
   environment.
-  ``doc`` - Contains documentation.
-  ``docker`` - Contains jinja2 templates for the docker build system.
-  ``etc`` - Contains a reference etc directory structure which requires
   configuration of a small number of configuration variables to achieve
   a working All-in-One (AIO) deployment.
-  ``tests`` - Contains functional testing tools.
-  ``tools`` - Contains tools for interacting with Kolla.
-  ``specs`` - Contains the Kolla communities key arguments about
   architectural shifts in the code base.

Getting Involved
================

Need a feature? Find a bug? Let us know! Contributions are much
appreciated and should follow the standard `Gerrit
workflow <http://docs.openstack.org/infra/manual/developers.html>`__.

-  We communicate using the #openstack-kolla irc channel.
-  File bugs, blueprints, track releases, etc on
   `Launchpad <https://launchpad.net/kolla>`__.
-  Attend weekly
   `meetings <https://wiki.openstack.org/wiki/Meetings/Kolla>`__.
-  Contribute `code <https://git.openstack.org/openstack/kolla>`__.

Contributors
============

Check out who's `contributing
code <http://stackalytics.com/?module=kolla-group&metric=commits>`__ and
`contributing
reviews <http://stackalytics.com/?module=kolla-group&metric=marks>`__.