kolla-ansible/doc/source/reference/compute/nova-guide.rst
zhoulinhui b6846d6e25 Revert VMware deprecation
Nova has reversed their deprecation of the VMware driver, and the Kolla
community has shown an interest in it.

Change-Id: I82f1074da56ed16c08317d1f92ed7f0a6f4a149a
2020-10-14 17:12:02 +01:00

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======================
Nova - Compute Service
======================
Nova is a core service in OpenStack, and provides compute services. Typically
this is via Virtual Machines (VMs), but may also be via bare metal servers if
Nova is coupled with Ironic.
Nova is enabled by default, but may be disabled by setting ``enable_nova`` to
``no`` in ``globals.yml``.
Virtualisation Drivers
======================
The virtualisation driver may be selected via ``nova_compute_virt_type`` in
``globals.yml``. Supported options are ``qemu``, ``kvm``, and ``vmware``.
The default is ``kvm``.
Libvirt
-------
Information on the libvirt-based drivers ``kvm`` and ``qemu`` can be found in
:doc:`libvirt-guide`.
VMware
------
Information on the VMware-based driver ``vmware`` can be found in
:doc:`vmware-guide`.
Bare Metal
----------
Information on using Nova with Ironic to deploy compute instances to bare metal
can be found in :doc:`../bare-metal/ironic-guide`.
Fake Driver
-----------
The fake driver can be used for testing Nova's scaling properties without
requiring access to a large amount of hardware resources. It is covered in
:doc:`nova-fake-driver`.
.. _nova-consoles:
Consoles
========
The console driver may be selected via ``nova_console`` in ``globals.yml``.
Valid options are ``none``, ``novnc`` and ``spice``. Additionally,
serial console support can be enabled by setting
``enable_nova_serialconsole_proxy`` to ``yes``.
Cells
=====
Information on using Nova Cells V2 to scale out can be found in
:doc:`nova-cells-guide`.