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165 lines
3.7 KiB
ReStructuredText
165 lines
3.7 KiB
ReStructuredText
Install and configure compute node
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The compute node handles connectivity and :term:`security groups <security
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group>` for instances.
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Install the components
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----------------------
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.. todo:
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https://bugzilla.redhat.com/show_bug.cgi?id=1334626
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.. code-block:: console
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# yum install openstack-neutron-linuxbridge ebtables ipset
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.. end
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Configure the common component
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------------------------------
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The Networking common component configuration includes the
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authentication mechanism, message queue, and plug-in.
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.. include:: shared/note_configuration_vary_by_distribution.rst
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* Edit the ``/etc/neutron/neutron.conf`` file and complete the following
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actions:
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* In the ``[database]`` section, comment out any ``connection`` options
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because compute nodes do not directly access the database.
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* In the ``[DEFAULT]`` section, configure ``RabbitMQ``
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message queue access:
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.. path /etc/neutron/neutron.conf
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.. code-block:: ini
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[DEFAULT]
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# ...
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transport_url = rabbit://openstack:RABBIT_PASS@controller
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.. end
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Replace ``RABBIT_PASS`` with the password you chose for the ``openstack``
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account in RabbitMQ.
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* In the ``[DEFAULT]`` and ``[keystone_authtoken]`` sections, configure
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Identity service access:
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.. path /etc/neutron/neutron.conf
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.. code-block:: ini
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[DEFAULT]
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# ...
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auth_strategy = keystone
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[keystone_authtoken]
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# ...
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auth_uri = http://controller:5000
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auth_url = http://controller:35357
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memcached_servers = controller:11211
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auth_type = password
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project_domain_name = default
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user_domain_name = default
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project_name = service
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username = neutron
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password = NEUTRON_PASS
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.. end
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Replace ``NEUTRON_PASS`` with the password you chose for the ``neutron``
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user in the Identity service.
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.. note::
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Comment out or remove any other options in the
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``[keystone_authtoken]`` section.
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* In the ``[oslo_concurrency]`` section, configure the lock path:
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.. path /etc/neutron/neutron.conf
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.. code-block:: ini
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[oslo_concurrency]
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# ...
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lock_path = /var/lib/neutron/tmp
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.. end
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Configure networking options
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----------------------------
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Choose the same networking option that you chose for the controller node to
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configure services specific to it. Afterwards, return here and proceed to
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:ref:`neutron-compute-compute-rdo`.
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.. toctree::
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:maxdepth: 1
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neutron-compute-install-option1.rst
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neutron-compute-install-option2.rst
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.. _neutron-compute-compute-rdo:
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Configure the Compute service to use the Networking service
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-----------------------------------------------------------
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* Edit the ``/etc/nova/nova.conf`` file and complete the following actions:
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* In the ``[neutron]`` section, configure access parameters:
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.. path /etc/nova/nova.conf
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.. code-block:: ini
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[neutron]
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# ...
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url = http://controller:9696
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auth_url = http://controller:35357
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auth_type = password
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project_domain_name = default
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user_domain_name = default
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region_name = RegionOne
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project_name = service
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username = neutron
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password = NEUTRON_PASS
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.. end
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Replace ``NEUTRON_PASS`` with the password you chose for the ``neutron``
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user in the Identity service.
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Finalize installation
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---------------------
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#. Restart the Compute service:
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.. code-block:: console
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# systemctl restart openstack-nova-compute.service
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.. end
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#. Start the Linux bridge agent and configure it to start when the
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system boots:
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.. code-block:: console
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# systemctl enable neutron-linuxbridge-agent.service
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# systemctl start neutron-linuxbridge-agent.service
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.. end
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