openstack/openstack-manuals
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openstack-manuals/doc/install-guide/source/nova-controller-install.rst
Thomas Goirand e301d5cd91 Remove debconf from nova controller install 
As for Keystone, this removes lots of conditionals, since
the Debconf install for Debian is moved to a separate guide.

Change-Id: I3498b0f64e8f4c88cd0559e722984c777488e10d
2016-07-20 15:49:13 +02:00

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Install and configure controller node

This section describes how to install and configure the Compute service, code-named nova, on the controller node.

Prerequisites

Before you install and configure the Compute service, you must create databases, service credentials, and API endpoints.

  1. To create the databases, complete these steps:

    • Use the database access client to connect to the database server as the root user:

      $ mysql -u root -p

    • Create the nova_api and nova databases:

      CREATE DATABASE nova_api;
CREATE DATABASE nova;

    • Grant proper access to the databases:

      GRANT ALL PRIVILEGES ON nova_api.* TO 'nova'@'localhost' \
  IDENTIFIED BY 'NOVA_DBPASS';
GRANT ALL PRIVILEGES ON nova_api.* TO 'nova'@'%' \
  IDENTIFIED BY 'NOVA_DBPASS';
GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'localhost' \
  IDENTIFIED BY 'NOVA_DBPASS';
GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'%' \
  IDENTIFIED BY 'NOVA_DBPASS';

      Replace NOVA_DBPASS with a suitable password.

    • Exit the database access client.

  2. Source the admin credentials to gain access to admin-only CLI commands:

    $ . admin-openrc

  3. To create the service credentials, complete these steps:

    • Create the nova user:

      $ openstack user create --domain default \
  --password-prompt nova
User Password:
Repeat User Password:
+-----------+----------------------------------+
| Field     | Value                            |
+-----------+----------------------------------+
| domain_id | e0353a670a9e496da891347c589539e9 |
| enabled   | True                             |
| id        | 8c46e4760902464b889293a74a0c90a8 |
| name      | nova                             |
+-----------+----------------------------------+

    • Add the admin role to the nova user:

      $ openstack role add --project service --user nova admin

      Note

      This command provides no output.

    • Create the nova service entity:

      $ openstack service create --name nova \
  --description "OpenStack Compute" compute
+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | OpenStack Compute                |
| enabled     | True                             |
| id          | 060d59eac51b4594815603d75a00aba2 |
| name        | nova                             |
| type        | compute                          |
+-------------+----------------------------------+

  4. Create the Compute service API endpoints:

    $ openstack endpoint create --region RegionOne \
  compute public http://controller:8774/v2.1/%\(tenant_id\)s
+--------------+-------------------------------------------+
| Field        | Value                                     |
+--------------+-------------------------------------------+
| enabled      | True                                      |
| id           | 3c1caa473bfe4390a11e7177894bcc7b          |
| interface    | public                                    |
| region       | RegionOne                                 |
| region_id    | RegionOne                                 |
| service_id   | e702f6f497ed42e6a8ae3ba2e5871c78          |
| service_name | nova                                      |
| service_type | compute                                   |
| url          | http://controller:8774/v2.1/%(tenant_id)s |
+--------------+-------------------------------------------+

$ openstack endpoint create --region RegionOne \
  compute internal http://controller:8774/v2.1/%\(tenant_id\)s
+--------------+-------------------------------------------+
| Field        | Value                                     |
+--------------+-------------------------------------------+
| enabled      | True                                      |
| id           | e3c918de680746a586eac1f2d9bc10ab          |
| interface    | internal                                  |
| region       | RegionOne                                 |
| region_id    | RegionOne                                 |
| service_id   | e702f6f497ed42e6a8ae3ba2e5871c78          |
| service_name | nova                                      |
| service_type | compute                                   |
| url          | http://controller:8774/v2.1/%(tenant_id)s |
+--------------+-------------------------------------------+

$ openstack endpoint create --region RegionOne \
  compute admin http://controller:8774/v2.1/%\(tenant_id\)s
+--------------+-------------------------------------------+
| Field        | Value                                     |
+--------------+-------------------------------------------+
| enabled      | True                                      |
| id           | 38f7af91666a47cfb97b4dc790b94424          |
| interface    | admin                                     |
| region       | RegionOne                                 |
| region_id    | RegionOne                                 |
| service_id   | e702f6f497ed42e6a8ae3ba2e5871c78          |
| service_name | nova                                      |
| service_type | compute                                   |
| url          | http://controller:8774/v2.1/%(tenant_id)s |
+--------------+-------------------------------------------+

Install and configure components

obs

  1. Install the packages:

    # zypper install openstack-nova-api openstack-nova-scheduler \
  openstack-nova-conductor openstack-nova-consoleauth \
  openstack-nova-novncproxy iptables

rdo

  1. Install the packages:

    # yum install openstack-nova-api openstack-nova-conductor \
  openstack-nova-console openstack-nova-novncproxy \
  openstack-nova-scheduler

ubuntu

  1. Install the packages:

    # apt-get install nova-api nova-conductor nova-consoleauth \
  nova-novncproxy nova-scheduler

debian

  1. Install the packages:

    # apt-get install nova-api nova-conductor nova-consoleauth \
  nova-consoleproxy nova-scheduler

    Note

    nova-api-metadata is included in the nova-api package, and can be selected through debconf.

    Note

    A unique nova-consoleproxy package provides the nova-novncproxy, nova-spicehtml5proxy, and nova-xvpvncproxy packages. To select packages, edit the /etc/default/nova-consoleproxy file or use the debconf interface. You can also manually edit the /etc/default/nova-consoleproxy file, and stop and start the console daemons.

  1. Edit the /etc/nova/nova.conf file and complete the following actions:

    • In the [DEFAULT] section, enable only the compute and metadata APIs:

      [DEFAULT]
...
enabled_apis = osapi_compute,metadata

    • In the [api_database] and [database] sections, configure database access:

      [api_database]
...
connection = mysql+pymysql://nova:NOVA_DBPASS@controller/nova_api

[database]
...
connection = mysql+pymysql://nova:NOVA_DBPASS@controller/nova

      Replace NOVA_DBPASS with the password you chose for the Compute databases.

    • In the [DEFAULT] and [oslo_messaging_rabbit] sections, configure RabbitMQ message queue access:

      [DEFAULT]
...
rpc_backend = rabbit

[oslo_messaging_rabbit]
...
rabbit_host = controller
rabbit_userid = openstack
rabbit_password = RABBIT_PASS

      Replace RABBIT_PASS with the password you chose for the openstack account in RabbitMQ.

    • In the [DEFAULT] and [keystone_authtoken] sections, configure Identity service access:

      [DEFAULT]
...
auth_strategy = keystone

[keystone_authtoken]
...
auth_uri = http://controller:5000
auth_url = http://controller:35357
memcached_servers = controller:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = nova
password = NOVA_PASS

      Replace NOVA_PASS with the password you chose for the nova user in the Identity service.

      Note

      Comment out or remove any other options in the [keystone_authtoken] section.

    • In the [DEFAULT] section, configure the my_ip option to use the management interface IP address of the controller node:

      [DEFAULT]
...
my_ip = 10.0.0.11

    debian

    • The .config and .postinst maintainer scripts of the nova-common package detect automatically the IP address which goes in the my_ip directive of the [DEFAULT] section. This value will normally still be prompted, and you can check that it is correct in the nova.conf after nova-common is installed:

      [DEFAULT]
...
my_ip = 10.0.0.11

  • In the [DEFAULT] section, enable support for the Networking service:

    [DEFAULT]
...
use_neutron = True
firewall_driver = nova.virt.firewall.NoopFirewallDriver

    Note

    By default, Compute uses an internal firewall driver. Since the Networking service includes a firewall driver, you must disable the Compute firewall driver by using the nova.virt.firewall.NoopFirewallDriver firewall driver.

  • In the [vnc] section, configure the VNC proxy to use the management interface IP address of the controller node:

    [vnc]
...
vncserver_listen = $my_ip
vncserver_proxyclient_address = $my_ip

  • In the [glance] section, configure the location of the Image service API:

    [glance]
...
api_servers = http://controller:9292

obs

  • In the [oslo_concurrency] section, configure the lock path:

    [oslo_concurrency]
...
lock_path = /var/run/nova

rdo

  • In the [oslo_concurrency] section, configure the lock path:

    [oslo_concurrency]
...
lock_path = /var/lib/nova/tmp

ubuntu

  • In the [oslo_concurrency] section, configure the lock path:

    [oslo_concurrency]
...
lock_path = /var/lib/nova/tmp

ubuntu

https://bugs.launchpad.net/ubuntu/+source/nova/+bug/1506667

  • Due to a packaging bug, remove the logdir option from the [DEFAULT] section.

rdo or ubuntu or debian

  1. Populate the Compute databases:

    # su -s /bin/sh -c "nova-manage api_db sync" nova
# su -s /bin/sh -c "nova-manage db sync" nova

    Note

    Ignore any deprecation messages in this output.

Finalize installation

obs

  • Start the Compute services and configure them to start when the system boots:

    # systemctl enable openstack-nova-api.service \
  openstack-nova-consoleauth.service openstack-nova-scheduler.service \
  openstack-nova-conductor.service openstack-nova-novncproxy.service
# systemctl start openstack-nova-api.service \
  openstack-nova-consoleauth.service openstack-nova-scheduler.service \
  openstack-nova-conductor.service openstack-nova-novncproxy.service

rdo

  • Start the Compute services and configure them to start when the system boots:

    # systemctl enable openstack-nova-api.service \
  openstack-nova-consoleauth.service openstack-nova-scheduler.service \
  openstack-nova-conductor.service openstack-nova-novncproxy.service
# systemctl start openstack-nova-api.service \
  openstack-nova-consoleauth.service openstack-nova-scheduler.service \
  openstack-nova-conductor.service openstack-nova-novncproxy.service

ubuntu or debian

  • Restart the Compute services:

    # service nova-api restart
# service nova-consoleauth restart
# service nova-scheduler restart
# service nova-conductor restart
# service nova-novncproxy restart