OpenStack Xena : Trove 利用方法2021/11/25 |
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OpenStack Database Service（Trove）の利用方法です。
当例では以下のような環境を例に Trove をインストールしています。
------------+---------------------------+---------------------------+------------
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eth0|10.0.0.30 eth0|10.0.0.50 eth0|10.0.0.51
+-----------+-----------+ +-----------+-----------+ +-----------+-----------+
| [ Control Node ] | | [ Network 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 | | iSCSI Target | | OVN-Controller |
| | | Heat API/Engine | | |
| | | Trove Services | | |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | Trove 用の VM イメージを公式サイトからダウンロードして Glance に登録します。 また、[trove.conf] で [cinder_volume_type] に設定したボリュームタイプを作成しておきます。 |
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[root@dlp ~(keystone)]# curl -O https://tarballs.opendev.org/openstack/trove/images/trove-master-guest-ubuntu-bionic.qcow2
[root@dlp ~(keystone)]#
[root@dlp ~(keystone)]# openstack image create Trove-Ubuntu --file=trove-master-guest-ubuntu-bionic.qcow2 --disk-format=qcow2 --container-format=bare --tag=trove --private
openstack image list +--------------------------------------+-----------------+--------+ | ID | Name | Status | +--------------------------------------+-----------------+--------+ | cfce605e-151b-43dd-b743-2c7988d69e96 | CentOS-Stream-8 | active | | 9aaec62a-c522-47ef-9924-cc5c804b18e4 | Trove-Ubuntu | active | +--------------------------------------+-----------------+--------+[root@dlp ~(keystone)]# openstack volume type create lvm-trove --private +-------------+--------------------------------------+ | Field | Value | +-------------+--------------------------------------+ | description | None | | id | faa68d41-3b38-4776-affe-7bd47d1251ca | | is_public | False | | name | lvm-trove | +-------------+--------------------------------------+ |
| [2] | Trove API が稼働するノード (当例では Network ノード) で、使用したいデータストアを登録しておきます。 当例では、MariaDB, PostgreSQL をデータストアとして登録します。 |
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# データストア登録 [root@network ~]# su -s /bin/bash trove -c "trove-manage datastore_update mariadb ''" Datastore 'mariadb' updated. [root@network ~]# su -s /bin/bash trove -c "trove-manage datastore_update postgresql ''" Datastore 'postgresql' updated. # 各データストアのバージョンを登録 # コマンド実行時の warning は無視で OK # [9aaec62a-***] の部分は [2] で作成した Trove 用のイメージ ID [root@network ~]# su -s /bin/sh -c "trove-manage datastore_version_update mariadb 10.2 mariadb 9aaec62a-c522-47ef-9924-cc5c804b18e4 mariadb 1" trove Datastore version '10.2' updated. [root@network ~]# su -s /bin/sh -c "trove-manage datastore_version_update mariadb 10.3 mariadb 9aaec62a-c522-47ef-9924-cc5c804b18e4 mariadb 1" trove Datastore version '10.3' updated. [root@network ~]# su -s /bin/sh -c "trove-manage datastore_version_update postgresql 10 postgresql 9aaec62a-c522-47ef-9924-cc5c804b18e4 postgresql 1" trove Datastore version '10' updated. [root@network ~]# su -s /bin/sh -c "trove-manage datastore_version_update postgresql 12 postgresql 9aaec62a-c522-47ef-9924-cc5c804b18e4 postgresql 1" trove Datastore version '12' updated. # 各データストアのバージョン用の設定パラメーターを登録 # コマンド実行時の warning は無視で OK [root@network ~]# su -s /bin/bash trove -c "trove-manage db_load_datastore_config_parameters mariadb 10.2 /usr/lib/python3.6/site-packages/trove/templates/mariadb/validation-rules.json" Loading config parameters for datastore (mariadb) version (10.2) [root@network ~]# su -s /bin/bash trove -c "trove-manage db_load_datastore_config_parameters mariadb 10.3 /usr/lib/python3.6/site-packages/trove/templates/mariadb/validation-rules.json" Loading config parameters for datastore (mariadb) version (10.3) [root@network ~]# su -s /bin/bash trove -c "trove-manage db_load_datastore_config_parameters postgresql 10 /usr/lib/python3.6/site-packages/trove/templates/postgresql/validation-rules.json" Loading config parameters for datastore (postgresql) version (10) [root@network ~]# su -s /bin/bash trove -c "trove-manage db_load_datastore_config_parameters postgresql 12 /usr/lib/python3.6/site-packages/trove/templates/postgresql/validation-rules.json" Loading config parameters for datastore (postgresql) version (12) # VM イメージ用の [cloudinit] ファイル作成 [root@network ~]# mkdir /etc/trove/cloudinit
[root@network ~]#
vi /etc/trove/cloudinit/mariadb.cloudinit # 新規作成 # [CONTROLLER] に Trove API ホストを指定
#cloud-config
write_files:
- path: /etc/trove/controller.conf
content: |
CONTROLLER=10.0.0.50
runcmd:
- chmod 644 /etc/trove/controller.conf
cp /etc/trove/cloudinit/mariadb.cloudinit /etc/trove/cloudinit/postgresql.cloudinit [root@network ~]# chown -R trove /etc/trove/cloudinit |
| [3] | 任意のノードで、データベースインスタンスを作成します。 例として、[admin] ユーザーで MariaDB データベースインスタンスを作成します。 (デフォルトポリシーでは [admin] ユーザーのみがインスタンス作成可) ちなみに、データベースインスタンスは VM イメージ上で Docker コンテナーとして起動します。 |
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[root@dlp ~(keystone)]# openstack datastore list +--------------------------------------+------------+ | ID | Name | +--------------------------------------+------------+ | 7ccefd35-8eb2-4df4-862e-a345abcb1527 | mariadb | | 917083f0-c85e-4bc2-9784-5e58e51c397e | postgresql | +--------------------------------------+------------+[root@dlp ~(keystone)]# openstack datastore version list mariadb +--------------------------------------+------+---------+ | ID | Name | Version | +--------------------------------------+------+---------+ | f3afb219-f1e0-4540-a658-b1bbdc95455f | 10.2 | 10.2 | | b64d668a-7244-41ff-8c27-a5ddbf82bdb4 | 10.3 | 10.3 | +--------------------------------------+------+---------+[root@dlp ~(keystone)]# openstack flavor list +----+----------+------+------+-----------+-------+-----------+ | ID | Name | RAM | Disk | Ephemeral | VCPUs | Is Public | +----+----------+------+------+-----------+-------+-----------+ | 0 | m1.small | 2048 | 10 | 0 | 1 | True | +----+----------+------+------+-----------+-------+-----------+[root@dlp ~(keystone)]# openstack subnet list +--------------------------------------+----------------+--------------------------------------+------------------+ | ID | Name | Network | Subnet | +--------------------------------------+----------------+--------------------------------------+------------------+ | 61bf3654-bef1-4ddd-8d23-f2fd41166f4e | public-subnet | ac8911e7-afd7-4913-997e-2f0412f1271b | 10.0.0.0/24 | | 9724f8a3-4c59-4d7d-9838-82bc682a551c | private-subnet | 3adf0a70-6446-4095-916d-17d9f753bbe6 | 192.168.100.0/24 | +--------------------------------------+----------------+--------------------------------------+------------------+[root@dlp ~(keystone)]# openstack network list +--------------------------------------+---------+--------------------------------------+ | ID | Name | Subnets | +--------------------------------------+---------+--------------------------------------+ | 3adf0a70-6446-4095-916d-17d9f753bbe6 | private | 9724f8a3-4c59-4d7d-9838-82bc682a551c | | ac8911e7-afd7-4913-997e-2f0412f1271b | public | 61bf3654-bef1-4ddd-8d23-f2fd41166f4e | +--------------------------------------+---------+--------------------------------------+ # データベースインスタンス作成 [root@dlp ~(keystone)]# openstack database instance create MariaDB-103 \ --flavor 0 \ --size 10 \ --nic net-id=3adf0a70-6446-4095-916d-17d9f753bbe6 \ --databases MyDB --users serverworld:password \ --datastore mariadb --datastore-version 10.3 \ --is-public \ --allowed-cidr 10.0.0.0/24 \ --allowed-cidr 192.168.100.0/24 +--------------------------+--------------------------------------+ | Field | Value | +--------------------------+--------------------------------------+ | allowed_cidrs | ['10.0.0.0/24', '192.168.100.0/24'] | | created | 2021-11-25T02:26:31 | | datastore | mariadb | | datastore_version | 10.3 | | datastore_version_number | 10.3 | | encrypted_rpc_messaging | True | | flavor | 0 | | id | 30adafc1-ccd5-426d-b42a-6e02b9009096 | | name | MariaDB-103 | | operating_status | | | public | True | | region | RegionOne | | server_id | None | | service_status_updated | 2021-11-25T02:26:31 | | status | BUILD | | tenant_id | b12f95625664420ca31949963b75b74f | | updated | 2021-11-25T02:26:31 | | volume | 10 | | volume_id | None | +--------------------------+--------------------------------------+ # 作成中は [BUILD] ステータス [root@dlp ~(keystone)]# openstack database instance list +--------------------------------------+-------------+-----------+-------------------+--------+------------------+--------+-----------+-----------+------+------+ | ID | Name | Datastore | Datastore Version | Status | Operating Status | Public | Addresses | Flavor ID | Size | Role | +--------------------------------------+-------------+-----------+-------------------+--------+------------------+--------+-----------+-----------+------+------+ | 30adafc1-ccd5-426d-b42a-6e02b9009096 | MariaDB-103 | mariadb | 10.3 | BUILD | | True | | 0 | 10 | | +--------------------------------------+-------------+-----------+-------------------+--------+------------------+--------+-----------+-----------+------+------+ # 作成が正常に完了すると [HEALTHY] ステータス [root@dlp ~(keystone)]# openstack database instance list
+--------------------------------------+-------------+-----------+-------------------+--------+------------------
| ID | Name | Datastore | Datastore Version | Status | Operating Status
+--------------------------------------+-------------+-----------+-------------------+--------+------------------
| 30adafc1-ccd5-426d-b42a-6e02b9009096 | MariaDB-103 | mariadb | 10.3 | ACTIVE | HEALTHY
+--------------------------------------+-------------+-----------+-------------------+--------+------------------
+--------+----------------------------------------------------------------------------------------------------------------------------------------------------+-----------+------+------+
| Public | Addresses | Flavor ID | Size | Role |
+--------+----------------------------------------------------------------------------------------------------------------------------------------------------+-----------+------+------+
| True | [{'address': '192.168.100.70', 'type': 'private', 'network': '3adf0a70-6446-4095-916d-17d9f753bbe6'}, {'address': '10.0.0.208', 'type': 'public'}] | 0 | 10 | |
+--------+----------------------------------------------------------------------------------------------------------------------------------------------------+-----------+------+------+
# アクセスして動作確認 [root@dlp ~(keystone)]# mysql -h 10.0.0.208 -u serverworld -p Enter password: Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 16 Server version: 10.3.32-MariaDB-1:10.3.32+maria~focal mariadb.org binary distribution 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)]> show variables like 'hostname'; +---------------+--------------+ | Variable_name | Value | +---------------+--------------+ | hostname | 0c6d397576e0 | +---------------+--------------+ 1 row in set (0.003 sec) MariaDB [(none)]> show databases; +--------------------+ | Database | +--------------------+ | MyDB | | information_schema | +--------------------+ 2 rows in set (0.003 sec) MariaDB [(none)]> exit Bye # データベースインスタンスを削除する場合は以下 [root@dlp ~(keystone)]# openstack database instance delete MariaDB-103 Request to delete database instance 30adafc1-ccd5-426d-b42a-6e02b9009096 has been accepted. |
| [4] | PostgreSQL を起動する場合の設定です。 |
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[root@dlp ~(keystone)]# openstack datastore list +--------------------------------------+------------+ | ID | Name | +--------------------------------------+------------+ | 7ccefd35-8eb2-4df4-862e-a345abcb1527 | mariadb | | 917083f0-c85e-4bc2-9784-5e58e51c397e | postgresql | +--------------------------------------+------------+[root@dlp ~(keystone)]# openstack datastore version list postgresql
+--------------------------------------+------+---------+
| ID | Name | Version |
+--------------------------------------+------+---------+
| e1e0e514-78ea-4166-8d0b-15f6fc92d9ec | 10 | 10 |
| e84ff018-7540-4f00-96b5-f1ac6b4a313c | 12 | 12 |
+--------------------------------------+------+---------+
[root@dlp ~(keystone)]# openstack database instance create PostgreSQL-12 \
--flavor 0 \
--size 10 \
--nic net-id=3adf0a70-6446-4095-916d-17d9f753bbe6 \
--databases MyDB --users serverworld:password \
--datastore postgresql --datastore-version 12 \
--is-public \
--allowed-cidr 10.0.0.0/24 \
--allowed-cidr 192.168.100.0/24
+--------------------------+--------------------------------------+
| Field | Value |
+--------------------------+--------------------------------------+
| allowed_cidrs | ['10.0.0.0/24', '192.168.100.0/24'] |
| created | 2021-11-25T02:32:32 |
| datastore | postgresql |
| datastore_version | 12 |
| datastore_version_number | 12 |
| encrypted_rpc_messaging | True |
| flavor | 0 |
| id | 3a2783e1-3bc2-401d-ba2f-309c99821dd6 |
| name | PostgreSQL-12 |
| operating_status | |
| public | True |
| region | RegionOne |
| server_id | None |
| service_status_updated | 2021-11-25T02:32:32 |
| status | BUILD |
| tenant_id | b12f95625664420ca31949963b75b74f |
| updated | 2021-11-25T02:32:32 |
| volume | 10 |
| volume_id | None |
+--------------------------+--------------------------------------+
[root@dlp ~(keystone)]# openstack database instance list
+--------------------------------------+---------------+------------+-------------------+--------+------------------
| ID | Name | Datastore | Datastore Version | Status | Operating Status
+--------------------------------------+---------------+------------+-------------------+--------+------------------
| 3a2783e1-3bc2-401d-ba2f-309c99821dd6 | PostgreSQL-12 | postgresql | 12 | ACTIVE | HEALTHY
+--------------------------------------+---------------+------------+-------------------+--------+------------------
+--------+----------------------------------------------------------------------------------------------------------------------------------------------------+-----------+------+------+
| Public | Addresses | Flavor ID | Size | Role |
+--------+----------------------------------------------------------------------------------------------------------------------------------------------------+-----------+------+------+
| True | [{'address': '192.168.100.33', 'type': 'private', 'network': '3adf0a70-6446-4095-916d-17d9f753bbe6'}, {'address': '10.0.0.211', 'type': 'public'}] | 0 | 10 | |
+--------+----------------------------------------------------------------------------------------------------------------------------------------------------+-----------+------+------+
[root@dlp ~(keystone)]# psql -h 10.0.0.211 -d MyDB -U serverworld -c "SELECT version();"
Password for user serverworld:
version
------------------------------------------------------------------------------------------------------------------
PostgreSQL 12.6 (Debian 12.6-1.pgdg100+1) on x86_64-pc-linux-gnu, compiled by gcc (Debian 8.3.0-6) 8.3.0, 64-bit
(1 row)
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