Stephen Finucane b5edc294a1 docs: Add man pages for 'nova-policy'

I don't actually grok what this does that 'oslopolicy-checker' couldn't
do, so perhaps we can deprecate this in the future. For now though,
simply document the thing. While we're here, we make some additional
related changes:

- Remove references to the 'policy.yaml' file for services that don't
  use policy (i.e. everything except the API services and, due to a bug,
  the nova-compute service).
- Update remaining references to the 'policy.yaml' file to include the
  'policy.d/' directory
- Update the help text for the '--api-name' and '--target' options of
  the 'nova-policy policy check' command to correct tense and better
  explain their purpose.

Also, yes, 'nova-policy policy check' is dumb. Don't blame me :)

Change-Id: I913b0de9ec40a615da7bf9981852edef4a88fecb
Signed-off-by: Stephen Finucane <stephenfin@redhat.com>
Related-bug: #1675486

2021-04-19 10:47:17 +01:00

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Command-line Utilities

In this section you will find information on Nova's command line utilities.

Nova Management Commands

These commands are used to manage existing installations. They are designed to be run by operators in an environment where they have direct access to the nova database.

nova-manage nova-policy nova-status

Service Daemons

The service daemons make up a functioning nova environment. All of these are expected to be started by an init system, expect to read a nova.conf file, and daemonize correctly after starting up.

nova-api nova-compute nova-conductor nova-novncproxy nova-scheduler nova-serialproxy nova-spicehtml5proxy

WSGI Services

Starting in the Pike release, the preferred way to deploy the nova api is in a wsgi container (uwsgi or apache/mod_wsgi). These are the wsgi entry points to do that.

nova-api-metadata nova-api-os-compute

Additional Tools

There are a few additional cli tools which nova services call when appropriate. This should not need to be called directly by operators, but they are documented for completeness and debugging if something goes wrong.

nova-rootwrap

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