OpenStack Rocky : Configure Barbican2018/09/18

Install OpenStack Key Manager Service (Barbican).

This example is based on the environment like follows.
Install and Configure Barbican API on Control Node as an example.

------------+---------------------------+---------------------------+------------
            |                           |                           |
        eth0|10.0.0.30              eth0|10.0.0.50              eth0|10.0.0.51
+-----------+-----------+   +-----------+-----------+   +-----------+-----------+
|    [ Control Node ]   |   |    [ Network Node ]   |   |    [ Compute Node ]   |
|                       |   |                       |   |                       |
|  MariaDB    RabbitMQ  |   |     Cinder Volume     |   |        Libvirt        |
|  Memcached  httpd     |   |        L2 Agent       |   |     Nova Compute      |
|  Keystone   Glance    |   |        L3 Agent       |   |      Linux Bridge     |
|  Nova API             |   |     Metadata Agent    |   |        L2 Agent       |
|  Neutron Server       |   |                       |   |                       |
|  Metadata Agent       |   |                       |   |                       |
|  Cinder API           |   |                       |   |                       |
|  Barbican API         |   |                       |   |                       |
+-----------------------+   +-----------------------+   +-----------------------+

[1]	Add a User or Endpoint for Barbican to Keystone on Control Node.

# add barbican user (set in service project)

root@dlp ~(keystone)#

openstack user create --domain default --project service --password servicepassword barbican

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | aaeee626080841a491235fb06e77f10c |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 4a18df048c7443698e5931125cf49992 |
| name                | barbican                         |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# add barbican user in admin role

root@dlp ~(keystone)#

openstack role add --project service --user barbican admin

# add 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          | 108c4b92713f48429880dcc6c98601c0 |
| name        | barbican                         |
| type        | key-manager                      |
+-------------+----------------------------------+

# define Barbican API Host

root@dlp ~(keystone)#

export controller=10.0.0.30

# add endpoint for barbican (public)

root@dlp ~(keystone)#

openstack endpoint create --region RegionOne key-manager public http://$controller:9311

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 8ab77010a78042efb5887081dbd87eb8 |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 108c4b92713f48429880dcc6c98601c0 |
| service_name | barbican                         |
| service_type | key-manager                      |
| url          | http://10.0.0.30:9311            |
+--------------+----------------------------------+

# add endpoint for barbican (internal)

root@dlp ~(keystone)#

openstack endpoint create --region RegionOne key-manager internal http://$controller:9311

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 78d733d3b9ba4e449dade87ff63bdd8d |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 108c4b92713f48429880dcc6c98601c0 |
| service_name | barbican                         |
| service_type | key-manager                      |
| url          | http://10.0.0.30:9311            |
+--------------+----------------------------------+

# add endpoint for barbican (admin)

root@dlp ~(keystone)#

openstack endpoint create --region RegionOne key-manager admin http://$controller:9311

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 219c1c971f774522b17cc29e4715dded |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 108c4b92713f48429880dcc6c98601c0 |
| service_name | barbican                         |
| service_type | key-manager                      |
| url          | http://10.0.0.30:9311            |
+--------------+----------------------------------+

[2]	Add a User and Database on MariaDB for Barbican.

root@dlp ~(keystone)#

mysql -u root -p

Enter password:
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 291
Server version: 10.1.34-MariaDB-0ubuntu0.18.04.1 Ubuntu 18.04

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 API.

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 = 0.0.0.0
bind_port = 9311
host_href = http://10.0.0.30:9311
log_file = /var/log/barbican/api.log
# MariaDB connection info
sql_connection = mysql+pymysql://barbican:password@10.0.0.30/barbican
# RabbitMQ connection info
transport_url = rabbit://openstack:password@10.0.0.30

[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 = 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 = barbican
password = servicepassword

root@dlp ~(keystone)#

chmod 644 /etc/barbican/barbican.conf

root@dlp ~(keystone)#

su -s /bin/bash barbican -c "barbican-manage db upgrade"

root@dlp ~(keystone)#

systemctl restart apache2

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