Ubuntu 20.04
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OpenStack Victoria : Configure Cinder (Control Node)2020/10/20

 
Install and Configure OpenStack Block Storage (Cinder).
This example is based on the environment like follows.
------------+---------------------------+---------------------------+------------
            |                           |                           |
        eth0|10.0.0.30              eth0|10.0.0.50              eth0|10.0.0.51
+-----------+-----------+   +-----------+-----------+   +-----------+-----------+
|    [ Control Node ]   |   |    [ Network Node ]   |   |    [ Compute Node ]   |
|                       |   |                       |   |                       |
|  MariaDB    RabbitMQ  |   |        L2 Agent       |   |        Libvirt        |
|  Memcached  httpd     |   |        L3 Agent       |   |     Nova Compute      |
|  Keystone   Glance    |   |     Metadata Agent    |   |        L2 Agent       |
|  Nova API             |   |     Cinder Volume     |   |                       |
|  Neutron Server       |   |                       |   |                       |
|  Metadata Agent       |   |                       |   |                       |
|  Cinder API           |   |                       |   |                       |
+-----------------------+   +-----------------------+   +-----------------------+

[1] Add a User or Endpoints for Cinder to Keystone on Control Node.
# create [cinder] user in [service] project

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

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | 37197271a1954ddb90207a95d5f46488 |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | fd14a5e3cd654faba1b1e7923d298711 |
| name                | cinder                           |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# add [cinder] user in [admin] role

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

root@dlp ~(keystone)#
openstack service create --name cinderv3 --description "OpenStack Block Storage" volumev3

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | OpenStack Block Storage          |
| enabled     | True                             |
| id          | 6039fa6c69884c148e744e6c608b556c |
| name        | cinderv3                         |
| type        | volumev3                         |
+-------------+----------------------------------+

# define Cinder API Host

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

root@dlp ~(keystone)#
openstack endpoint create --region RegionOne volumev3 public http://$controller:8776/v3/%\(tenant_id\)s

+--------------+----------------------------------------+
| Field        | Value                                  |
+--------------+----------------------------------------+
| enabled      | True                                   |
| id           | bae7240be1d04d70a4fa0515b00f6c45       |
| interface    | public                                 |
| region       | RegionOne                              |
| region_id    | RegionOne                              |
| service_id   | 6039fa6c69884c148e744e6c608b556c       |
| service_name | cinderv3                               |
| service_type | volumev3                               |
| url          | http://10.0.0.30:8776/v3/%(tenant_id)s |
+--------------+----------------------------------------+

# create endpoint for [cinder] (internal)

root@dlp ~(keystone)#
openstack endpoint create --region RegionOne volumev3 internal http://$controller:8776/v3/%\(tenant_id\)s

+--------------+----------------------------------------+
| Field        | Value                                  |
+--------------+----------------------------------------+
| enabled      | True                                   |
| id           | a592a4b389e74262a8ba11a867fd3227       |
| interface    | internal                               |
| region       | RegionOne                              |
| region_id    | RegionOne                              |
| service_id   | 6039fa6c69884c148e744e6c608b556c       |
| service_name | cinderv3                               |
| service_type | volumev3                               |
| url          | http://10.0.0.30:8776/v3/%(tenant_id)s |
+--------------+----------------------------------------+

# create endpoint for [cinder] (admin)

root@dlp ~(keystone)#
openstack endpoint create --region RegionOne volumev3 admin http://$controller:8776/v3/%\(tenant_id\)s

+--------------+----------------------------------------+
| Field        | Value                                  |
+--------------+----------------------------------------+
| enabled      | True                                   |
| id           | 764a0e81440b49c08a12a03b3d61ee7b       |
| interface    | admin                                  |
| region       | RegionOne                              |
| region_id    | RegionOne                              |
| service_id   | 6039fa6c69884c148e744e6c608b556c       |
| service_name | cinderv3                               |
| service_type | volumev3                               |
| url          | http://10.0.0.30:8776/v3/%(tenant_id)s |
+--------------+----------------------------------------+
[2] Add a User and Database on MariaDB for Cinder.
root@dlp ~(keystone)#
mysql

Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 91
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 cinder; 
Query OK, 1 row affected (0.00 sec)

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

MariaDB [(none)]> grant all privileges on cinder.* to cinder@'%' 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
[3] Install Cinder Service.
root@dlp ~(keystone)#
apt -y install cinder-api cinder-scheduler python3-cinderclient
[4] Configure Cinder.
root@dlp ~(keystone)#
mv /etc/cinder/cinder.conf /etc/cinder/cinder.conf.org

root@dlp ~(keystone)#
vi /etc/cinder/cinder.conf
# create new

[DEFAULT]
# define own IP address
my_ip = 10.0.0.30
rootwrap_config = /etc/cinder/rootwrap.conf
api_paste_confg = /etc/cinder/api-paste.ini
state_path = /var/lib/cinder
auth_strategy = keystone
# RabbitMQ connection info
transport_url = rabbit://openstack:password@10.0.0.30
enable_v3_api = True

# MariaDB connection info
[database]
connection = mysql+pymysql://cinder:password@10.0.0.30/cinder

# Keystone auth info
[keystone_authtoken]
www_authenticate_uri = http://10.0.0.30:5000
auth_url = http://10.0.0.30:5000
memcached_servers = 10.0.0.30:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = cinder
password = servicepassword

[oslo_concurrency]
lock_path = $state_path/tmp

root@dlp ~(keystone)#
chmod 640 /etc/cinder/cinder.conf

root@dlp ~(keystone)#
chgrp cinder /etc/cinder/cinder.conf

root@dlp ~(keystone)#
su -s /bin/bash cinder -c "cinder-manage db sync"

root@dlp ~(keystone)#
systemctl restart cinder-scheduler
# set environment variable

root@dlp ~(keystone)#
echo "export OS_VOLUME_API_VERSION=3" >> ~/keystonerc

root@dlp ~(keystone)#
source ~/keystonerc
# verify status

root@dlp ~(keystone)#
openstack volume service list

+------------------+---------------+------+---------+-------+----------------------------+
| Binary           | Host          | Zone | Status  | State | Updated At                 |
+------------------+---------------+------+---------+-------+----------------------------+
| cinder-scheduler | dlp.srv.world | nova | enabled | up    | 2020-10-20T04:02:02.000000 |
+------------------+---------------+------+---------+-------+----------------------------+
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