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OpenStack Wallaby : Configure Cinder (Control Node)2021/04/23

 
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 ]   |   |    [ Storage Node ]   |   |    [ Compute Node ]   |
|                       |   |                       |   |                       |
|  MariaDB    RabbitMQ  |   |      Open vSwitch     |   |        Libvirt        |
|  Memcached  httpd     |   |     Neutron Server    |   |     Nova Compute      |
|  Keystone   Glance    |   |       OVN-Northd      |   |      Open vSwitch     |
|  Nova API             |   |     Cinder Volume     |   |   OVN Metadata Agent  |
|  Cinder API           |   |                       |   |     OVN-Controller    |
+-----------------------+   +-----------------------+   +-----------------------+

[1] Add a User or Endpoint 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  | 620c149e6cc84d7e8f446504cd3cd355 |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 9c936cba6ce54444b632c91565462c2c |
| 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          | 2524256acbf74590912efe3ccd238db4 |
| name        | cinderv3                         |
| type        | volumev3                         |
+-------------+----------------------------------+

# define Cinder API Node

[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           | 59950ef9e9954860a459d7d46e129f98       |
| interface    | public                                 |
| region       | RegionOne                              |
| region_id    | RegionOne                              |
| service_id   | 2524256acbf74590912efe3ccd238db4       |
| 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           | 9fcf727f9a964dbf95d4b72a0f141f2f       |
| interface    | internal                               |
| region       | RegionOne                              |
| region_id    | RegionOne                              |
| service_id   | 2524256acbf74590912efe3ccd238db4       |
| 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           | fe54e86cef934d4ea4846146f543565c       |
| interface    | admin                                  |
| region       | RegionOne                              |
| region_id    | RegionOne                              |
| service_id   | 2524256acbf74590912efe3ccd238db4       |
| 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 -u root -p

Enter password:
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 175
Server version: 10.3.27-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 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.
# install from Wallaby, EPEL, PowerTools

[root@dlp ~(keystone)]#
dnf --enablerepo=centos-openstack-wallaby,powertools,epel -y install openstack-cinder
[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
log_dir = /var/log/cinder
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 enable --now openstack-cinder-api openstack-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    | 2021-04-23T04:49:20.000000 |
+------------------+---------------+------+---------+-------+----------------------------+
[5] SELinux is enabled, change policy like follows.
[root@dlp ~(keystone)]#
dnf --enablerepo=centos-openstack-wallaby -y install openstack-selinux

[6] If Firewalld is running, allow service ports.
[root@dlp ~(keystone)]#
firewall-cmd --add-port=8776/tcp --permanent

success
[root@dlp ~(keystone)]#
firewall-cmd --reload

success
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