Ubuntu 20.04
Sponsored Link

OpenStack Ussuri : Configure Nova #1
2020/06/07
 
Install and Configure OpenStack Compute Service (Nova).
This example is based on the environment like follows.
        eth0|10.0.0.30 
+-----------+-----------+
|    [ Control Node ]   |
|                       |
|  MariaDB    RabbitMQ  |
|  Memcached  httpd     |
|  Keystone   Glance    |
+-----------------------+

[1] Add users and others for Nova in Keystone.
# create [nova] user in [service] project

root@dlp ~(keystone)#
openstack user create --domain default --project service --password servicepassword nova

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | c0e098a54a4640caa9004fb8f500f554 |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | fa82c34f2ada48b5b570d813ad491e76 |
| name                | nova                             |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# add [nova] user in [admin] role

root@dlp ~(keystone)#
openstack role add --project service --user nova admin
# create [placement] user in [service] project

root@dlp ~(keystone)#
openstack user create --domain default --project service --password servicepassword placement

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | c0e098a54a4640caa9004fb8f500f554 |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 054baf30a6ae420f8ed8080735ef0312 |
| name                | placement                        |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# add [placement] user in [admin] role

root@dlp ~(keystone)#
openstack role add --project service --user placement admin
# create service entry for [nova]

root@dlp ~(keystone)#
openstack service create --name nova --description "OpenStack Compute service" compute

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | OpenStack Compute service        |
| enabled     | True                             |
| id          | 68ee0167bd3f4d949a8e47fa1ce7fd15 |
| name        | nova                             |
| type        | compute                          |
+-------------+----------------------------------+

# create service entry for [placement]

root@dlp ~(keystone)#
openstack service create --name placement --description "OpenStack Compute Placement service" placement

+-------------+-------------------------------------+
| Field       | Value                               |
+-------------+-------------------------------------+
| description | OpenStack Compute Placement service |
| enabled     | True                                |
| id          | b5cbd0eddc9e4e6bb2adb99ea2200035    |
| name        | placement                           |
| type        | placement                           |
+-------------+-------------------------------------+

# define Nova API Host

root@dlp ~(keystone)#
export controller=10.0.0.30
# create endpoint for [nova] (public)

root@dlp ~(keystone)#
openstack endpoint create --region RegionOne compute public http://$controller:8774/v2.1/%\(tenant_id\)s

+--------------+------------------------------------------+
| Field        | Value                                    |
+--------------+------------------------------------------+
| enabled      | True                                     |
| id           | 2eaa3bef62fb4e7882b780f01224e41a         |
| interface    | public                                   |
| region       | RegionOne                                |
| region_id    | RegionOne                                |
| service_id   | 68ee0167bd3f4d949a8e47fa1ce7fd15         |
| service_name | nova                                     |
| service_type | compute                                  |
| url          | http://10.0.0.30:8774/v2.1/%(tenant_id)s |
+--------------+------------------------------------------+

# create endpoint for [nova] (internal)

root@dlp ~(keystone)#
openstack endpoint create --region RegionOne compute internal http://$controller:8774/v2.1/%\(tenant_id\)s

+--------------+------------------------------------------+
| Field        | Value                                    |
+--------------+------------------------------------------+
| enabled      | True                                     |
| id           | 24d7167dacdc46b195d071696dca8463         |
| interface    | internal                                 |
| region       | RegionOne                                |
| region_id    | RegionOne                                |
| service_id   | 68ee0167bd3f4d949a8e47fa1ce7fd15         |
| service_name | nova                                     |
| service_type | compute                                  |
| url          | http://10.0.0.30:8774/v2.1/%(tenant_id)s |
+--------------+------------------------------------------+

# create endpoint for [nova] (admin)

root@dlp ~(keystone)#
openstack endpoint create --region RegionOne compute admin http://$controller:8774/v2.1/%\(tenant_id\)s

+--------------+------------------------------------------+
| Field        | Value                                    |
+--------------+------------------------------------------+
| enabled      | True                                     |
| id           | ac9124f0a9e24b09bd5545b10a4307fe         |
| interface    | admin                                    |
| region       | RegionOne                                |
| region_id    | RegionOne                                |
| service_id   | 68ee0167bd3f4d949a8e47fa1ce7fd15         |
| service_name | nova                                     |
| service_type | compute                                  |
| url          | http://10.0.0.30:8774/v2.1/%(tenant_id)s |
+--------------+------------------------------------------+

# create endpoint for [placement] (public)

root@dlp ~(keystone)#
openstack endpoint create --region RegionOne placement public http://$controller:8778

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 760fe85e1975411cb26c85fd71013834 |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | b5cbd0eddc9e4e6bb2adb99ea2200035 |
| service_name | placement                        |
| service_type | placement                        |
| url          | http://10.0.0.30:8778            |
+--------------+----------------------------------+

# create endpoint for [placement] (internal)

root@dlp ~(keystone)#
openstack endpoint create --region RegionOne placement internal http://$controller:8778

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 7be8c99088aa4f41a4d41239f35c4c42 |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | b5cbd0eddc9e4e6bb2adb99ea2200035 |
| service_name | placement                        |
| service_type | placement                        |
| url          | http://10.0.0.30:8778            |
+--------------+----------------------------------+

# create endpoint for [placement] (admin)

root@dlp ~(keystone)#
openstack endpoint create --region RegionOne placement admin http://$controller:8778

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 6306ddbe41a045b782f5e64893c73318 |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | b5cbd0eddc9e4e6bb2adb99ea2200035 |
| service_name | placement                        |
| service_type | placement                        |
| url          | http://10.0.0.30:8778            |
+--------------+----------------------------------+
[2] Add a User and Database on MariaDB for Nova.
root@dlp ~(keystone)#
mysql

Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 57
Server version: 10.3.22-MariaDB-1ubuntu1 Ubuntu 20.04

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MariaDB [(none)]> create database nova; 
Query OK, 1 row affected (0.00 sec)

MariaDB [(none)]> grant all privileges on nova.* to nova@'localhost' identified by 'password'; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> grant all privileges on nova.* to nova@'%' identified by 'password'; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> create database nova_api; 
Query OK, 1 row affected (0.00 sec)

MariaDB [(none)]> grant all privileges on nova_api.* to nova@'localhost' identified by 'password'; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> grant all privileges on nova_api.* to nova@'%' identified by 'password'; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> create database placement; 
Query OK, 1 row affected (0.00 sec)

MariaDB [(none)]> grant all privileges on placement.* to placement@'localhost' identified by 'password'; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> grant all privileges on placement.* to placement@'%' identified by 'password'; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> create database nova_cell0; 
Query OK, 1 row affected (0.00 sec)

MariaDB [(none)]> grant all privileges on nova_cell0.* to nova@'localhost' identified by 'password'; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> grant all privileges on nova_cell0.* to nova@'%' identified by 'password'; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> flush privileges; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> exit
Bye
Matched Content