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OpenStack Yoga : Configure Nova #1
2022/05/31
 
Install and Configure OpenStack Compute Service (Nova).
This example is based on the environment like follows.
        eth0|10.0.0.30 
+-----------+-----------+
|   [ dlp.srv.world ]   |
|     (Control Node)    |
|                       |
|  MariaDB    RabbitMQ  |
|  Memcached  httpd     |
|  Keystone   Glance    |
|  Nova API             |
+-----------------------+

[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  | 8787527217494c6a87dd5a3b68dce1ef |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 4e1fe87e017d476283845f55e12ae058 |
| 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  | 8787527217494c6a87dd5a3b68dce1ef |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 3ac1fb9042e24d2a92e524f4f16bc154 |
| 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          | 3f5f32db407c4faeb64afeef9537eeda |
| 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          | 3e4ea772a9594ca183480d773a4efad7    |
| name        | placement                           |
| type        | placement                           |
+-------------+-------------------------------------+

# define Nova API Host

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

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

+--------------+-----------------------------------------------+
| Field        | Value                                         |
+--------------+-----------------------------------------------+
| enabled      | True                                          |
| id           | b7a5b0f94021426c8f30c302512f893b              |
| interface    | public                                        |
| region       | RegionOne                                     |
| region_id    | RegionOne                                     |
| service_id   | 3f5f32db407c4faeb64afeef9537eeda              |
| service_name | nova                                          |
| service_type | compute                                       |
| url          | https://dlp.srv.world:8774/v2.1/%(tenant_id)s |
+--------------+-----------------------------------------------+

# create endpoint for [nova] (internal)

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

+--------------+-----------------------------------------------+
| Field        | Value                                         |
+--------------+-----------------------------------------------+
| enabled      | True                                          |
| id           | 5eeb2cb35f8f46ddb9a48932c120336c              |
| interface    | internal                                      |
| region       | RegionOne                                     |
| region_id    | RegionOne                                     |
| service_id   | 3f5f32db407c4faeb64afeef9537eeda              |
| service_name | nova                                          |
| service_type | compute                                       |
| url          | https://dlp.srv.world:8774/v2.1/%(tenant_id)s |
+--------------+-----------------------------------------------+

# create endpoint for [nova] (admin)

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

+--------------+-----------------------------------------------+
| Field        | Value                                         |
+--------------+-----------------------------------------------+
| enabled      | True                                          |
| id           | eb4583a8235d42a284d3f7d9bf684129              |
| interface    | admin                                         |
| region       | RegionOne                                     |
| region_id    | RegionOne                                     |
| service_id   | 3f5f32db407c4faeb64afeef9537eeda              |
| service_name | nova                                          |
| service_type | compute                                       |
| url          | https://dlp.srv.world:8774/v2.1/%(tenant_id)s |
+--------------+-----------------------------------------------+

# create endpoint for [placement] (public)

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

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 953124b09ae54c3ab3e9001d8013a0ca |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 3e4ea772a9594ca183480d773a4efad7 |
| service_name | placement                        |
| service_type | placement                        |
| url          | https://dlp.srv.world:8778       |
+--------------+----------------------------------+

# create endpoint for [placement] (internal)

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

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 4613da4f1fa1409ea3ab40c538821b3a |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 3e4ea772a9594ca183480d773a4efad7 |
| service_name | placement                        |
| service_type | placement                        |
| url          | https://dlp.srv.world:8778       |
+--------------+----------------------------------+

# create endpoint for [placement] (admin)

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

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 9fcb49d0996d489cad02ba88c2402a92 |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 3e4ea772a9594ca183480d773a4efad7 |
| service_name | placement                        |
| service_type | placement                        |
| url          | https://dlp.srv.world: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 16
Server version: 10.5.9-MariaDB MariaDB Server

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 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)]> 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)]> flush privileges; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> exit
Bye
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