126 lines
4.4 KiB
ReStructuredText
126 lines
4.4 KiB
ReStructuredText
.. image:: http://ansible.github.com/mpd_rings.jpg
|
|
:height: 225
|
|
:width: 300
|
|
:alt: ""
|
|
:target: http://photos.michaeldehaan.net/infrared/h3d850bdf#h3d850bdf
|
|
.. image:: http://ansible.github.com/mpd_tunnel.jpg
|
|
:height: 225
|
|
:width: 337
|
|
:alt: ""
|
|
:target: http://photos.michaeldehaan.net/favorites/h2428aca7#h2428aca7
|
|
.. image:: http://ansible.github.com/mpd_tubes.jpg
|
|
:height: 225
|
|
:width: 225
|
|
:alt: ""
|
|
:target: http://photos.michaeldehaan.net/ncsu/h3b63b68e#h3b63b68e
|
|
|
|
Introducing Ansible
|
|
===================
|
|
|
|
Ansible is a radically simple deployment, model-driven configuration management,
|
|
and command execution framework. Other tools in this space have been too
|
|
complicated for too long, require too much bootstrapping, and have too
|
|
much learning curve. Ansible is dead simple and painless to extend.
|
|
For comparison, Puppet and Chef have about 60k lines of code.
|
|
Ansible's core is a little over 1000 lines.
|
|
|
|
Ansible isn't just for idempotent configuration -- it's also great for ad-hoc
|
|
tasks, quickly firing off commands against nodes. See :doc:`examples`.
|
|
Where Ansible excels though, is expressing complex multi-node
|
|
deployment processes, executing ordered sequences on
|
|
different sets of nodes through :doc:`playbooks`.
|
|
|
|
Extending ansible does not require programming in any particular
|
|
language -- you can write :doc:`modules` as scripts or programs that return
|
|
simple JSON. It's also trivially easy to just execute useful shell
|
|
commands.
|
|
|
|
Why use Ansible versus something else? (Puppet, Chef, Capistrano, etc?) Ansible will have far
|
|
less code, it will be (by extension) more correct, and it will be the
|
|
easiest thing to hack on and use you'll ever see -- regardless of your
|
|
favorite language of choice.
|
|
|
|
Systems management doesn't have to be complicated. Ansible's docs
|
|
will remain short & simple, and the source will be blindingly obvious.
|
|
|
|
Architecture
|
|
````````````
|
|
|
|
.. image:: http://ansible.github.com/ansible_arch.jpg
|
|
:alt: "Architecture Diagram"
|
|
:width: 648
|
|
:height: 464
|
|
|
|
|
|
Features
|
|
````````
|
|
|
|
* Dead simple setup
|
|
* Super fast & parallel by default
|
|
* No server or client daemons; use existing SSHd out of the box
|
|
* No additional software required on client boxes
|
|
* Can be easily run from a checkout, no installation required
|
|
* Modules are idempotent, but you can also easily use shell commands
|
|
* Modules can be written in ANY language
|
|
* Awesome API for creating very powerful distributed scripts
|
|
* Does not have to run remote steps as root
|
|
* Pluggable transports (SSH is just the default)
|
|
* Source host info & variables from files or external software
|
|
* The easiest config management system to use, ever.
|
|
|
|
|
|
Resources
|
|
`````````
|
|
|
|
Your ideas and contributions are welcome. We're also happy to help
|
|
you with questions about Ansible.
|
|
|
|
* Visit the `project page <https://github.com/ansible/ansible>`_ on Github
|
|
* View the `issue tracker <https://github.com/ansible/ansible/issues>`_
|
|
* Visit the `Google Group <http://groups.google.com/group/ansible-project>`_
|
|
* Join `#ansible <irc://irc.freenode.net/#ansible>`_ on the `freenode IRC network <http://freenode.net/>`_
|
|
|
|
.. raw:: html
|
|
|
|
<img src="http://groups.google.com/intl/en/images/logos/groups_logo_sm.gif" height=30 width=140 alt="Google Groups">
|
|
<br/>
|
|
<b>Subscribe to Ansible Project</b>
|
|
<br/>
|
|
<form action="http://groups.google.com/group/ansible-project/boxsubscribe">
|
|
<br/>
|
|
Email: <input type=text name=email> <input type=submit name="sub" value="Subscribe">
|
|
<br/></br>
|
|
</form>
|
|
<br/>
|
|
|
|
|
|
Contents
|
|
========
|
|
|
|
.. toctree::
|
|
:maxdepth: 3
|
|
|
|
gettingstarted
|
|
patterns
|
|
examples
|
|
modules
|
|
YAMLSyntax
|
|
playbooks
|
|
api
|
|
moduledev
|
|
faq
|
|
man
|
|
|
|
About the Author
|
|
````````````````
|
|
|
|
Ansible was originally developed by `Michael DeHaan <http://michaeldehaan.net>`_ (`@laserllama <http://twitter.com/#!/laserllama>`_), a Raleigh, NC
|
|
based software developer and architect. He created the popular
|
|
DevOps program `Cobbler <http://cobbler.github.com/>`_.
|
|
Cobbler is used to deploy mission critical systems all over the
|
|
planet, in industries ranging from massively multiplayer gaming, core
|
|
internet infrastructure, finance, chip design, and more. Michael also
|
|
helped co-author `Func <http://fedorahosted.org/func/>`_, a precursor to Ansible, which is used to
|
|
orchestrate systems in lots of diverse places. He's worked on systems
|
|
software for IBM, Motorola, Red Hat's Emerging Technologies Group,
|
|
Puppet Labs, and rPath. Reach Michael by email `here <mailto:michael.dehaan@gmail.com>`_.
|