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OpenStack Zed : Configure Octavia (Control Node)2023/06/30

 
Install OpenStack Load Balancing as a Service (Octavia).
This example is based on the environment like follows.
------------+--------------------------+--------------------------+------------
            |                          |                          |
        eth0|10.0.0.30             eth0|10.0.0.50             eth0|10.0.0.51
+-----------+-----------+  +-----------+-----------+  +-----------+-----------+
|   [ dlp.srv.world ]   |  | [ network.srv.world ] |  |  [ node01.srv.world ] |
|     (Control Node)    |  |     (Network Node)    |  |     (Compute Node)    |
|                       |  |                       |  |                       |
|  MariaDB    RabbitMQ  |  |  Neutron L2/L3 Agent  |  |        Libvirt        |
|  Memcached  Nginx     |  |   Neutron Metadata    |  |      Nova Compute     |
|  Keystone   httpd     |  |     Open vSwitch      |  |    Neutron L2 Agent   |
|  Glance     Nova API  |  |     iSCSI Target      |  |      Open vSwitch     |
|  Neutron Server       |  |     Cinder Volume     |  |                       |
|  Neutron Metadata     |  |    Octavia Services   |  |                       |
|  Cinder API           |  |        Nginx          |  |                       |
+-----------------------+  +-----------------------+  +-----------------------+

[1] Add users or services for Octavia on Keystone.
# create [octavia] user in [service] project

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

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | d8b09d86ed7743039f92b2e542ea26c1 |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 4b370e0352d5445dbef117d013fe1952 |
| name                | octavia                          |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# add [octavia] user in [admin] role

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

root@dlp ~(keystone)#
openstack service create --name octavia --description "OpenStack LBaaS" load-balancer

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | OpenStack LBaaS                  |
| enabled     | True                             |
| id          | 93bf2e597ab44f9cbdd6acf8fbeb854b |
| name        | octavia                          |
| type        | load-balancer                    |
+-------------+----------------------------------+

# define Octavia API Host

root@dlp ~(keystone)#
export octavia_api=network.srv.world
# create endpoint for [octavia] (public)

root@dlp ~(keystone)#
openstack endpoint create --region RegionOne load-balancer public https://$octavia_api:9876

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | e257d91702604379bab810acd3b32001 |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 93bf2e597ab44f9cbdd6acf8fbeb854b |
| service_name | octavia                          |
| service_type | load-balancer                    |
| url          | https://network.srv.world:9876   |
+--------------+----------------------------------+

# create endpoint for [octavia] (internal)

root@dlp ~(keystone)#
openstack endpoint create --region RegionOne load-balancer internal https://$octavia_api:9876

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | aad782d5e9a348dbaa954d27d5dc2b80 |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 93bf2e597ab44f9cbdd6acf8fbeb854b |
| service_name | octavia                          |
| service_type | load-balancer                    |
| url          | https://network.srv.world:9876   |
+--------------+----------------------------------+

# create endpoint for [octavia] (admin)

root@dlp ~(keystone)#
openstack endpoint create --region RegionOne load-balancer admin https://$octavia_api:9876

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 61fc691367584b408d0f7bfed80702aa |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 93bf2e597ab44f9cbdd6acf8fbeb854b |
| service_name | octavia                          |
| service_type | load-balancer                    |
| url          | https://network.srv.world:9876   |
+--------------+----------------------------------+
[2] Add a User and Database on MariaDB for Octavia.
root@dlp ~(keystone)#
mysql

Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 218
Server version: 10.11.3-MariaDB-1 Debian 12

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 octavia; 
Query OK, 1 row affected (0.00 sec)

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

MariaDB [(none)]> grant all privileges on octavia.* to octavia@'%' 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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