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OpenStack Zed : Configure Barbican
2022/11/11
 
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  | 62f531f4d2934e75b8d7f11cd7d53be3 |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 17b493375a874f899cb40da602e1bec7 |
| 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          | d5ee71136f784ee095683107eb915ef1 |
| 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           | 42aa5cc280c745ee9a7d5253cc534861 |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | d5ee71136f784ee095683107eb915ef1 |
| 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           | e441441732c347f79fe738b8ddc8729b |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | d5ee71136f784ee095683107eb915ef1 |
| 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           | 0b2cb9690b9b4ef6beae694ed7d63d6f |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | d5ee71136f784ee095683107eb915ef1 |
| 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 142
Server version: 10.5.16-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 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.
# install from Zed, EPEL, CRB

[root@dlp ~(keystone)]#
dnf --enablerepo=centos-openstack-zed,epel,crb -y install openstack-barbican
[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]
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 httpd Keystone, turn to [true]
insecure = false

[root@dlp ~(keystone)]#
vi /etc/barbican/gunicorn-config.py
# line 3 : change
bind = '127.0.0.1:9311'

[root@dlp ~(keystone)]#
chmod 644 /etc/barbican/barbican.conf

[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;
    }
    ssl_certificate "/etc/letsencrypt/live/dlp.srv.world/fullchain.pem";
    ssl_certificate_key "/etc/letsencrypt/live/dlp.srv.world/privkey.pem";
}
[6] If SELinux is enabled, change policy.
[root@dlp ~(keystone)]#
semanage port -a -t http_port_t -p tcp 9311

[7] If Firewalld is running, allow service ports.
[root@dlp ~(keystone)]#
firewall-cmd --add-port=9311/tcp

success
[root@dlp ~(keystone)]#
firewall-cmd --runtime-to-permanent

success
[8] 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 enable --now openstack-barbican-api

[root@dlp ~(keystone)]#
systemctl restart nginx

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