224 lines
7.7 KiB
PHP
224 lines
7.7 KiB
PHP
Configuring ironic-conductor service
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------------------------------------
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#. Replace ``HOST_IP`` with IP of the conductor host.
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.. code-block:: ini
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[DEFAULT]
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# IP address of this host. If unset, will determine the IP
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# programmatically. If unable to do so, will use "127.0.0.1".
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# (string value)
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my_ip=HOST_IP
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.. note::
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If a conductor host has multiple IPs, ``my_ip`` should
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be set to the IP which is on the same network as the bare metal nodes.
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#. Configure the location of the database. Ironic-conductor should use the same
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configuration as ironic-api. Replace ``IRONIC_DBPASSWORD`` with the password
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of your ``ironic`` user, and replace DB_IP with the IP address where the DB
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server is located:
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.. code-block:: ini
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[database]
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# The SQLAlchemy connection string to use to connect to the
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# database. (string value)
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connection=mysql+pymysql://ironic:IRONIC_DBPASSWORD@DB_IP/ironic?charset=utf8
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#. Configure the ironic-conductor service to use the RabbitMQ message broker by
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setting the following option. Ironic-conductor should use the same
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configuration as ironic-api. Replace ``RPC_*`` with appropriate
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address details and credentials of RabbitMQ server:
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.. code-block:: ini
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[DEFAULT]
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# A URL representing the messaging driver to use and its full
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# configuration. (string value)
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transport_url = rabbit://RPC_USER:RPC_PASSWORD@RPC_HOST:RPC_PORT/
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Alternatively, you can use JSON RPC for interactions between
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ironic-conductor and ironic-api. Enable it in the configuration and provide
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the keystone credentials to use for authenticating incoming requests (can
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be the same as for the API):
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.. code-block:: ini
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[DEFAULT]
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rpc_transport = json-rpc
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[keystone_authtoken]
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# Authentication type to load (string value)
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auth_type=password
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# Complete public Identity API endpoint (string value)
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www_authenticate_uri=http://PUBLIC_IDENTITY_IP:5000
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# Complete admin Identity API endpoint. (string value)
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auth_url=http://PRIVATE_IDENTITY_IP:5000
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# Service username. (string value)
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username=ironic
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# Service account password. (string value)
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password=IRONIC_PASSWORD
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# Service tenant name. (string value)
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project_name=service
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# Domain name containing project (string value)
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project_domain_name=Default
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# User's domain name (string value)
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user_domain_name=Default
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You can optionally change the host and the port the JSON RPC service will
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bind to, for example:
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.. code-block:: ini
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[json_rpc]
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host_ip = 192.168.0.10
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port = 9999
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.. warning::
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Hostnames of ironic-conductor machines must be resolvable by ironic-api
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services when JSON RPC is used.
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#. Configure credentials for accessing other OpenStack services.
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In order to communicate with other OpenStack services, the Bare Metal
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service needs to use service users to authenticate to the OpenStack
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Identity service when making requests to other services.
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These users' credentials have to be configured in each
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configuration file section related to the corresponding service:
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* ``[neutron]`` - to access the OpenStack Networking service
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* ``[glance]`` - to access the OpenStack Image service
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* ``[swift]`` - to access the OpenStack Object Storage service
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* ``[cinder]`` - to access the OpenStack Block Storage service
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* ``[inspector]`` - to access the OpenStack Bare Metal Introspection
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service
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* ``[service_catalog]`` - a special section holding credentials
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the Bare Metal service will use to discover its own API URL endpoint
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as registered in the OpenStack Identity service catalog.
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For simplicity, you can use the same service user for all services.
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For backward compatibility, this should be the same user configured
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in the ``[keystone_authtoken]`` section for the ironic-api service
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(see "Configuring ironic-api service").
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However, this is not necessary, and you can create and configure separate
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service users for each service.
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Under the hood, Bare Metal service uses ``keystoneauth`` library
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together with ``Authentication plugin``, ``Session`` and ``Adapter``
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concepts provided by it to instantiate service clients.
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Please refer to `Keystoneauth documentation`_ for supported plugins,
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their available options as well as Session- and Adapter-related options
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for authentication, connection and endpoint discovery respectively.
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In the example below, authentication information for user to access the
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OpenStack Networking service is configured to use:
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* Networking service is deployed in the Identity service region named
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``RegionTwo``, with only its ``public`` endpoint interface registered
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in the service catalog.
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* HTTPS connection with specific CA SSL certificate when making requests
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* the same service user as configured for ironic-api service
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* dynamic ``password`` authentication plugin that will discover
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appropriate version of Identity service API based on other
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provided options
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- replace ``IDENTITY_IP`` with the IP of the Identity server,
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and replace ``IRONIC_PASSWORD`` with the password you chose for the
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``ironic`` user in the Identity service
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.. code-block:: ini
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[neutron]
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# Authentication type to load (string value)
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auth_type = password
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# Authentication URL (string value)
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auth_url=https://IDENTITY_IP:5000/
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# Username (string value)
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username=ironic
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# User's password (string value)
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password=IRONIC_PASSWORD
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# Project name to scope to (string value)
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project_name=service
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# Domain ID containing project (string value)
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project_domain_id=default
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# User's domain id (string value)
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user_domain_id=default
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# PEM encoded Certificate Authority to use when verifying
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# HTTPs connections. (string value)
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cafile=/opt/stack/data/ca-bundle.pem
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# The default region_name for endpoint URL discovery. (string
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# value)
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region_name = RegionTwo
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# List of interfaces, in order of preference, for endpoint
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# URL. (list value)
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valid_interfaces=public
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By default, in order to communicate with another service, the Bare
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Metal service will attempt to discover an appropriate endpoint for
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that service via the Identity service's service catalog.
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The relevant configuration options from that service group in the Bare
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Metal service configuration file are used for this purpose.
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If you want to use a different endpoint for a particular service,
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specify this via the ``endpoint_override`` configuration option of
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that service group, in the Bare Metal service's configuration file.
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Taking the previous Networking service example, this would be
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.. code-block:: ini
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[neutron]
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...
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endpoint_override = <NEUTRON_API_ADDRESS>
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(Replace `<NEUTRON_API_ADDRESS>` with actual address of a specific
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Networking service endpoint.)
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#. Configure enabled drivers and hardware types as described in
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:doc:`/install/enabling-drivers`.
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A. If you enabled any driver that uses :ref:`direct-deploy`,
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Swift backend for the Image service must be installed and configured,
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see :ref:`image-store`.
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Ceph Object Gateway (RADOS Gateway) is also supported as the Image
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service's backend, see :ref:`radosgw support`.
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#. Configure the network for ironic-conductor service to perform node
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cleaning, see :ref:`cleaning` from the admin guide.
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#. Restart the ironic-conductor service:
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Fedora/RHEL7/CentOS7/SUSE::
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sudo systemctl restart openstack-ironic-conductor
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Ubuntu::
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sudo service ironic-conductor restart
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.. _Keystoneauth documentation: https://docs.openstack.org/keystoneauth/latest/
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