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OpenStack Dalmatian : Barbican 設定2024/10/11

 

OpenStack Key Manager Service(Barbican)をインストールします。

当例では以下のような環境を例に Control ノードに Barbican をインストールして利用できるよう設定します。

------------+--------------------------+--------------------------+------------
            |                          |                          |
        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] Control ノードの Keystone に Barbican 用のユーザー等々を登録しておきます。
# [service] プロジェクト所属で [barbican] ユーザーを作成

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

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | aff8e7e402dc4d9e849bbe0e34fa4538 |
| domain_id           | default                          |
| email               | None                             |
| enabled             | True                             |
| id                  | d4378723dc5b4c8eb67a1c8029b07d3d |
| name                | barbican                         |
| description         | None                             |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# [barbican] ユーザーを [admin] ロール に加える

[root@dlp ~(keystone)]#
openstack role add --project service --user barbican admin
# [barbican] 用サービスエントリ作成

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

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| id          | cac3f1c6134140ef9c78648be7a064dc |
| name        | barbican                         |
| type        | key-manager                      |
| enabled     | True                             |
| description | OpenStack Key Manager            |
+-------------+----------------------------------+

# Barbican API ホストを定義

[root@dlp ~(keystone)]#
export controller=dlp.srv.world
# [barbican] 用エンドポイント作成 (public)

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

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 273ac6a1c1864c5db3b9ff58f2ba8641 |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | cac3f1c6134140ef9c78648be7a064dc |
| service_name | barbican                         |
| service_type | key-manager                      |
| url          | https://dlp.srv.world:9311       |
+--------------+----------------------------------+

# [barbican] 用エンドポイント作成 (internal)

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

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 4447525b62554ecfb936f51d031394eb |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | cac3f1c6134140ef9c78648be7a064dc |
| service_name | barbican                         |
| service_type | key-manager                      |
| url          | https://dlp.srv.world:9311       |
+--------------+----------------------------------+

# [barbican] 用エンドポイント作成 (admin)

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

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 33feb1016b554112aa2ef99f0331b287 |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | cac3f1c6134140ef9c78648be7a064dc |
| service_name | barbican                         |
| service_type | key-manager                      |
| url          | https://dlp.srv.world:9311       |
+--------------+----------------------------------+
[2] Barbican 用のユーザーとデータベースを MariaDB に作成しておきます。
[root@dlp ~(keystone)]#
mysql

Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 128
Server version: 10.11.6-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)]> exit 
Bye
[3] Barbican サービスをインストールします。
# Dalmatian, EPEL, CRB からインストール

[root@dlp ~(keystone)]#
dnf --enablerepo=centos-openstack-dalmatian,epel,crb -y install openstack-barbican
[4] Barbican の基本設定です。
[root@dlp ~(keystone)]#
mv /etc/barbican/barbican.conf /etc/barbican/barbican.conf.org

[root@dlp ~(keystone)]#
vi /etc/barbican/barbican.conf
# 新規作成

[DEFAULT]
host_href = https://dlp.srv.world:9311
log_file = /var/log/barbican/api.log
# RabbitMQ 接続情報
transport_url = rabbit://openstack:password@dlp.srv.world

[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='

# MariaDB 接続情報
[database]
connection = mysql+pymysql://barbican:password@dlp.srv.world/barbican

# Keystone 認証情報
[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
# httpd Keystone で自己署名の証明書を使用の場合は [true]
insecure = false

[oslo_policy]
enforce_new_defaults = true

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

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

[5] Nginx にプロキシの設定をします。
[root@dlp ~(keystone)]#
vi /etc/nginx/nginx.conf
# [stream] セクション内に追記

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] SELinux を有効にしている場合は、ポリシーの変更が必要です。
[root@dlp ~(keystone)]#
semanage port -a -t http_port_t -p tcp 9311

[7] Firewalld を有効にしている場合は、サービスポートの許可が必要です。
[root@dlp ~(keystone)]#
firewall-cmd --add-port=9311/tcp

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

success
[8] データベースにデータを追加して Barbican サービスを起動します。
[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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