Ubuntu 22.04
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OpenStack Antelope : Configure Barbican2023/03/27

 
Install OpenStack Key Manager Service (Barbican).
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  |  |      Open vSwitch     |  |        Libvirt        |
|  Memcached  Nginx     |  |     Neutron Server    |  |      Nova Compute     |
|  Keystone   httpd     |  |      OVN-Northd       |  |      Open vSwitch     |
|  Glance     Nova API  |  |  Nginx  iSCSI Target  |  |   OVN Metadata Agent  |
|  Cinder API           |  |     Cinder Volume     |  |     OVN-Controller    |
|  Barbican API         |  |    Heat API/Engine    |  |                       |
+-----------------------+  +-----------------------+  +-----------------------+

[1] Add a User or Endpoint for Barbican to Keystone on Control Node.
# create [barbican] user in [service] project

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

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | d3dd87fb1a034f7883539a6a4f83781f |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 4f3b0a84d41f46088d4fd2c17dafae2b |
| name                | barbican                         |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# add [barbican] user in [admin] role

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

root@dlp ~(keystone)#
openstack service create --name barbican --description "OpenStack Key Manager" key-manager

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | OpenStack Key Manager            |
| enabled     | True                             |
| id          | 2836b2677ac0430ea8b4115568070399 |
| name        | barbican                         |
| type        | key-manager                      |
+-------------+----------------------------------+

# define Barbican API Host

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

root@dlp ~(keystone)#
openstack endpoint create --region RegionOne key-manager public https://$controller:9311

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 767d41acae6e4dbc8ea3cf50e0b3a1d6 |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 2836b2677ac0430ea8b4115568070399 |
| service_name | barbican                         |
| service_type | key-manager                      |
| url          | https://dlp.srv.world:9311       |
+--------------+----------------------------------+

# create endpoint for [barbican] (internal)

root@dlp ~(keystone)#
openstack endpoint create --region RegionOne key-manager internal https://$controller:9311

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | d9d657679c724b588e3fc96008db2592 |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 2836b2677ac0430ea8b4115568070399 |
| service_name | barbican                         |
| service_type | key-manager                      |
| url          | https://dlp.srv.world:9311       |
+--------------+----------------------------------+

# create endpoint for [barbican] (admin)

root@dlp ~(keystone)#
openstack endpoint create --region RegionOne key-manager admin https://$controller:9311

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 9cbeeb19d445428bbb6f1f0c19718af5 |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 2836b2677ac0430ea8b4115568070399 |
| service_name | barbican                         |
| service_type | key-manager                      |
| url          | https://dlp.srv.world:9311       |
+--------------+----------------------------------+
[2] Add a User and Database on MariaDB for Barbican.
root@dlp ~(keystone)#
mysql

Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 165
Server version: 10.6.12-MariaDB-0ubuntu0.22.04.1 Ubuntu 22.04

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

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

MariaDB [(none)]> grant all privileges on barbican.* to barbican@'%' 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 Barbican service.
root@dlp ~(keystone)#
apt -y install barbican-api
[4] Configure Barbican.
root@dlp ~(keystone)#
mv /etc/barbican/barbican.conf /etc/barbican/barbican.conf.org

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

[DEFAULT]
bind_host = 127.0.0.1
bind_port = 9311
host_href = https://dlp.srv.world:9311
log_file = /var/log/barbican/api.log
# MariaDB connection info
sql_connection = mysql+pymysql://barbican:password@dlp.srv.world/barbican
# RabbitMQ connection info
transport_url = rabbit://openstack:password@dlp.srv.world

[oslo_policy]
policy_file = /etc/barbican/policy.json
policy_default_rule = default

[secretstore]
namespace = barbican.secretstore.plugin
enabled_secretstore_plugins = store_crypto

[crypto]
namespace = barbican.crypto.plugin
enabled_crypto_plugins = simple_crypto

[simple_crypto_plugin]
kek = 'YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXoxMjM0NTY='

# Keystone auth info
[keystone_authtoken]
www_authenticate_uri = https://dlp.srv.world:5000
auth_url = https://dlp.srv.world:5000
memcached_servers = dlp.srv.world:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = barbican
password = servicepassword
# if using self-signed certs on Apache2 Keystone, turn to [true]
insecure = false

[oslo_policy]
enforce_new_defaults = false

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

root@dlp ~(keystone)#
chgrp barbican /etc/barbican/barbican.conf
root@dlp ~(keystone)#
vi /etc/apache2/conf-available/barbican-api.conf
# line 1,2 : change

Listen
127.0.0.1
:9311
Listen
127.0.0.1
:9312
[5] Configure Nginx for proxy settings.
root@dlp ~(keystone)#
vi /etc/nginx/nginx.conf
# add into the [stream] section

stream {
    upstream glance-api {
        server 127.0.0.1:9292;
    }
    server {
        listen 10.0.0.30:9292 ssl;
        proxy_pass glance-api;
    }
    upstream nova-api {
        server 127.0.0.1:8774;
    }
    server {
        listen 10.0.0.30:8774 ssl;
        proxy_pass nova-api;
    }
    upstream nova-metadata-api {
        server 127.0.0.1:8775;
    }
    server {
        listen 10.0.0.30:8775 ssl;
        proxy_pass nova-metadata-api;
    }
    upstream placement-api {
        server 127.0.0.1:8778;
    }
    server {
        listen 10.0.0.30:8778 ssl;
        proxy_pass placement-api;
    }
    upstream novncproxy {
        server 127.0.0.1:6080;
    }
    server {
        listen 10.0.0.30:6080 ssl;
        proxy_pass novncproxy;
    }
    upstream cinder-api {
        server 127.0.0.1:8776;
    }
    server {
        listen 10.0.0.30:8776 ssl;
        proxy_pass cinder-api;
    }
    upstream barbican-api {
        server 127.0.0.1:9311;
    }
    server {
        listen 10.0.0.30:9311 ssl;
        proxy_pass barbican-api;
    }
    upstream barbican-api-2 {
        server 127.0.0.1:9312;
    }
    server {
        listen 10.0.0.30:9312 ssl;
        proxy_pass barbican-api-2;
    }
    ssl_certificate "/etc/letsencrypt/live/dlp.srv.world/fullchain.pem";
    ssl_certificate_key "/etc/letsencrypt/live/dlp.srv.world/privkey.pem";
}
[6] Add Data into Database and start Barbican services.
root@dlp ~(keystone)#
su -s /bin/bash barbican -c "barbican-manage db upgrade"

root@dlp ~(keystone)#
systemctl restart apache2 nginx

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