openstack/nova
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nova/doc/source/configuration/index.rst
Ghanshyam Mann af21183082 Add docs and releasenotes for BP policy-defaults-refresh 
This commit adds the documents to explain the new defaults,
migration plan and releases notes for policies changes in
BP policy-defaults-refresh

Partial implement blueprint policy-defaults-refresh

Change-Id: I00e678858a8e46786f3b69fbba3f5353932de49b
2020-04-23 02:06:06 +00:00

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Configuration Guide

The static configuration for nova lives in two main files: nova.conf and policy.json. These are described below. For a bigger picture view on configuring nova to solve specific problems, refer to the Nova Admin Guide </admin/index>.

Configuration

  • Configuration Guide </admin/configuration/index>: Detailed configuration guides for various parts of your Nova system. Helpful reference for setting up specific hypervisor backends.
  • Config Reference <config>: A complete reference of all configuration options available in the nova.conf file.

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  • Sample Config File <sample-config>: A sample config file with inline documentation.

config

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sample-config

Policy

Nova, like most OpenStack projects, uses a policy language to restrict permissions on REST API actions.

  • Policy Concepts <policy-concepts>: Starting in the Ussuri release, Nova API policy defines new default roles with system scope capabilities. These new changes improve the security level and manageability of Nova API as they are richer in terms of handling access at system and project level token with 'Read' and 'Write' roles.

policy-concepts

  • Policy Reference <policy>: A complete reference of all policy points in nova and what they impact.

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  • Sample Policy File <sample-policy>: A sample nova policy file with inline documentation.

policy

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sample-policy

Extra Specs

Nova uses flavor extra specs as a way to provide additional information to instances beyond basic information like amount of RAM or disk. This information can range from hints for the scheduler to hypervisor-specific configuration instructions for the instance.

  • Extra Spec Reference <extra-specs>: A complete reference for all extra specs currently recognized and supported by nova.

extra-specs