melanie witt f9c6089244 Add new policy rule for viewing host status UNKNOWN
Currently, the os_compute_api:servers:show:host_status controls whether
a user can view the host status of a server including UP, DOWN,
MAINTENANCE, and UNKNOWN. When communication with nova-compute is
experiencing problems, users can get a hint about it from the server
host status, if enabled by policy. However, not all operators may want
to expose all possible host statuses to end users and instead would
prefer to expose only the UNKNOWN host status.

This adds a new policy rule:

  os_compute_api:servers:show:host_status:unknown-only

which controls whether a user can view the host status of UNKNOWN only.
This way, operators can allow users to get a hint about what to expect
when using their server without exposing too much information about the
underlying cloud details.

Implements blueprint policy-rule-for-host-status-unknown

Change-Id: I55bf78e63f68f8167249edc3327b024d9ecb0af2
2019-10-28 15:40:08 +00:00
2019-04-28 20:06:15 +00:00
2019-04-19 19:45:52 +00:00
2017-11-24 16:51:12 -05:00
2019-10-23 07:21:23 +00:00
2018-01-12 17:05:11 +08:00
2017-09-07 15:42:31 +02:00
2019-07-22 19:17:28 +02:00
2019-10-11 19:00:56 +01:00
2017-03-02 11:50:48 +00:00

========================
Team and repository tags
========================

.. image:: https://governance.openstack.org/tc/badges/nova.svg
    :target: https://governance.openstack.org/tc/reference/tags/index.html

.. Change things from this point on

OpenStack Nova
==============

OpenStack Nova provides a cloud computing fabric controller, supporting a wide
variety of compute technologies, including: libvirt (KVM, Xen, LXC and more),
Hyper-V, VMware, XenServer, OpenStack Ironic and PowerVM.

Use the following resources to learn more.

API
---

To learn how to use Nova's API, consult the documentation available online at:

- `Compute API Guide <https://docs.openstack.org/api-guide/compute/>`__
- `Compute API Reference <https://docs.openstack.org/api-ref/compute/>`__

For more information on OpenStack APIs, SDKs and CLIs in general, refer to:

- `OpenStack for App Developers <https://www.openstack.org/appdev/>`__
- `Development resources for OpenStack clouds
  <https://developer.openstack.org/>`__

Operators
---------

To learn how to deploy and configure OpenStack Nova, consult the documentation
available online at:

- `OpenStack Nova <https://docs.openstack.org/nova/>`__

In the unfortunate event that bugs are discovered, they should be reported to
the appropriate bug tracker. If you obtained the software from a 3rd party
operating system vendor, it is often wise to use their own bug tracker for
reporting problems. In all other cases use the master OpenStack bug tracker,
available at:

- `Bug Tracker <https://bugs.launchpad.net/nova>`__

Developers
----------

For information on how to contribute to Nova, please see the contents of the
CONTRIBUTING.rst.

Any new code must follow the development guidelines detailed in the HACKING.rst
file, and pass all unit tests.

Further developer focused documentation is available at:

- `Official Nova Documentation <https://docs.openstack.org/nova/>`__
- `Official Client Documentation
  <https://docs.openstack.org/python-novaclient/>`__

Other Information
-----------------

During each `Summit`_ and `Project Team Gathering`_, we agree on what the whole
community wants to focus on for the upcoming release. The plans for nova can
be found at:

- `Nova Specs <http://specs.openstack.org/openstack/nova-specs/>`__

.. _Summit: https://www.openstack.org/summit/
.. _Project Team Gathering: https://www.openstack.org/ptg/
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