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51 changes: 51 additions & 0 deletions docs/scenarios/admin.rst
Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,57 @@ programs, and host grouping.

`Fabric Documentation <http://docs.fabfile.org>`_

Salt
----

`Salt <http://saltstack.org/>`_ is an open source infrastructure management tool.
It supports remote command execution from a central point (master host) to multiple
hosts (minions). It also supports system states which can be used to configure
multiple servers using simple template files.

Salt supports python versions 2.6 and 2.7 and can be installed via pip:

.. code-block:: bash

$ pip install salt

After configuring a master server and any number of minion hosts, we can run arbitrary
shell commands or use pre-built modules of complex commands on our minions.

The following command lists all available minion hosts, using the ping module.

.. code-block:: bash

$ salt '*' test.ping

The host filtering is acomplished by matching the minion id, or using the grains system.
The `grains <http://docs.saltstack.org/en/latest/topics/targeting/grains.html>`_ system
uses static host information like the operating system version or the CPU architecture to
provide a host taxonomy for the salt modules.

The following command lists all available minions running CentOS using the grains system:

.. code-block:: bash

$ salt -G 'os:CentOS' test.ping

Salt also provides a state system. States can be used to configure the minion hosts.

For example, when a minion host is ordered to read the following state file, will install
and start the Apache server:

.. code-block:: yaml

apache:
pkg:
- installed
service:
- running

State files can be written using YAML, the Jinja2 template system or pure python.

`Salt Documentation <http://docs.saltstack.org/en/latest/index.html>`_

Chef
----

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