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Command Line Interface to ease the use of OneView Driver for Ironic

Project description

==================
Ironic-OneView CLI
==================

Overview
========

Ironic-OneView CLI is a command line interface tool for easing the use of the
OneView Drivers for Ironic. It allows the user to easily create and configure
Ironic nodes compatible with OneView ``Server Hardware`` objects. It also helps
create Nova flavors to match available Ironic nodes that use OneView drivers.

This tool creates Ironic nodes based on the Ironic OneView drivers' dynamic
allocation model [1]_ [2]_.

.. note::
If you still want to use the deprecated pre-allocation model instead, use
version 0.0.2 of this tool.

For more information on *HP OneView* entities, see [3]_.

Installation
============

To install Ironic-OneView CLI from PyPi, use the following command::

$ pip install ironic-oneview-cli


Configuration
=============

Ironic-Oneview CLI uses credentials loaded into environment variables by
the OpenStack RC and by the Ironic-OneView CLI RC files. You can download
the OpenStack RC file from your cloud controller. The Ironic-OneView CLI RC
file can be generated using the ``genrc`` subcommand::

$ ironic-oneview genrc

Since you have the ``ironic-oneviewrc.sh`` file, load its environment
variables by running::

$ source ironic-oneviewrc.sh

You can also set credentials by passing them as command line parameters.
To see which parameters to use for setting credentials, use the command::

$ ironic-oneview help

For more information how to obtain and load the *OpenStack RC* file, see [4]_.


Usage
=====

Once the necessary environment variables and command line parameters are
set, Ironic-OneView CLI is ready to be used.

Synopsis::

In the current version of Ironic-OneView CLI, the available subcommands are:

+---------------+-----------------------------------------------------------------+
| node-create | Creates nodes based on available HP OneView Server Hardware. |
+---------------+-----------------------------------------------------------------+
| flavor-create | Creates flavors based on available Ironic nodes. |
+---------------+-----------------------------------------------------------------+
| genrc | Generates the ironic-oneviewrc.sh file according to user input. |
+---------------+-----------------------------------------------------------------+
| help | Displays help about this program or one of its subcommands. |
+---------------+-----------------------------------------------------------------+


Features
========

Node creation
^^^^^^^^^^^^^

To create Ironic nodes based on available HP OneView ``Server Hardware`` objects,
use the following command::

$ ironic-oneview node-create

The tool will ask you to choose a valid ``Server Profile Template`` from those
retrieved from HP OneView appliance.::

Retrieving Server Profile Templates from OneView...
+----+------------------------+----------------------+---------------------------+
| Id | Name | Enclosure Group Name | Server Hardware Type Name |
+----+------------------------+----------------------+---------------------------+
| 1 | template-dcs-virt-enc3 | virt-enclosure-group | BL460c Gen8 3 |
| 2 | template-dcs-virt-enc4 | virt-enclosure-group | BL660c Gen9 1 |
+----+------------------------+----------------------+---------------------------+

Once you have chosen a valid ``Server Profile Template``, the tool lists the
available ``Server Hardware`` that match the chosen ``Server Profile
Template``.

Choose a ``Server Hardware`` to be used as base to the
Ironic node you are creating.::

Listing compatible Server Hardware objects...
+----+-----------------+------+-----------+----------+----------------------+---------------------------+
| Id | Name | CPUs | Memory MB | Local GB | Enclosure Group Name | Server Hardware Type Name |
+----+-----------------+------+-----------+----------+----------------------+---------------------------+
| 1 | VIRT-enl, bay 5 | 8 | 32768 | 120 | virt-enclosure-group | BL460c Gen8 3 |
| 2 | VIRT-enl, bay 8 | 8 | 32768 | 120 | virt-enclosure-group | BL460c Gen8 3 |
+----+-----------------+------+-----------+----------+----------------------+---------------------------+

Notice that you can create multiple Ironic nodes at once. For that, type
multiple ``Server Hardware`` IDs separated by blank spaces. The created Ironic
nodes will be in the *enroll* provisioning state.

To list all nodes in Ironic, use the command::

$ ironic node-list

For more information about the created Ironic node, use the command::

$ ironic node-show [NODE_UUID]


Flavor creation
^^^^^^^^^^^^^^^

To create Nova flavors compatible with available Ironic nodes, use the
following command::

$ ironic-oneview flavor-create

The tool will now prompt you to choose a valid flavor configuration, according
to available Ironic nodes.::

+----+------+---------+-----------+-------------------------------------+----------------------+-------------------------+
| Id | CPUs | Disk GB | Memory MB | Server Profile Template | Server Hardware Type | Enclosure Group Name |
+----+------+---------+-----------+-------------------------------------+----------------------+-------------------------+
| 1 | 8 | 120 | 8192 | second-virt-server-profile-template | BL460c Gen9 1 | virtual-enclosure-group |
+----+------+---------+-----------+-------------------------------------+----------------------+-------------------------+

After choosing a valid configuration ID, you'll be prompted to name the new
flavor. If you leave the field blank, a default name will be used.

To list all flavors in Nova, use the command::

$ nova flavor-list

For more information about the created Nova flavor, use the command::

$ nova flavor-show [FLAVOR_UUID]


References
==========
.. [1] Dynamic allocation spec - https://review.openstack.org/#/c/275726/
.. [2] Driver documentation - http://docs.openstack.org/developer/ironic/drivers/oneview.html
.. [3] HP OneView - http://www8.hp.com/us/en/business-solutions/converged-systems/oneview.html
.. [4] OpenStack RC - http://docs.openstack.org/user-guide/common/cli_set_environment_variables_using_openstack_rc.html

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