OpenStack Rocky : Gnocchi 設定2018/09/18 |
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時系列データベース [TDBaaS (Time Series Database as a Service)] Gnocchi 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 Network ノードに Gnocchi をインストールします。
Ubuntu Openstack の Gnocchi では Python3 系の WSGI を使用するため、Keystone や Nova で Python2 系の WSGI を使用している場合は、同一ノードへインストール不可です。
------------+---------------------------+---------------------------+------------
| | |
eth0|10.0.0.30 eth0|10.0.0.50 eth0|10.0.0.51
+-----------+-----------+ +-----------+-----------+ +-----------+-----------+
| [ Control Node ] | | [ Network Node ] | | [ Compute Node ] |
| | | | | |
| MariaDB RabbitMQ | | Linux Bridge | | Libvirt |
| Memcached httpd | | L2 Agent | | Nova Compute |
| Keystone Glance | | L3 Agent | | Linux Bridge |
| Nova_API Cinder_API | | Metadata Agent | | L2 Agent |
| Neutron Server | | Cinder Volume | | |
| Metadata Agent | | Heat API | | |
| | | Heat Engine | | |
| | | Gnocchi httpd | | |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | Control ノードの Keystone に Gnocchi 用のユーザー等々を登録しておきます。 |
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# gnocchi ユーザー作成 (service プロジェクト所属) root@dlp ~(keystone)# openstack user create --domain default --project service --password servicepassword gnocchi
+---------------------+----------------------------------+
| Field | Value |
+---------------------+----------------------------------+
| default_project_id | aaeee626080841a491235fb06e77f10c |
| domain_id | default |
| enabled | True |
| id | a9dde9d04a14416a9b4d277a57962758 |
| name | gnocchi |
| options | {} |
| password_expires_at | None |
+---------------------+----------------------------------+
# gnocchi ユーザーを admin ロール に加える root@dlp ~(keystone)# openstack role add --project service --user gnocchi admin
# gnocchi 用サービスエントリ作成 root@dlp ~(keystone)# openstack service create --name gnocchi --description "Metric Service" metric +-------------+----------------------------------+ | Field | Value | +-------------+----------------------------------+ | description | Metric Service | | enabled | True | | id | ac7f1e9c0cce41c7902dc28ef8e2a065 | | name | gnocchi | | type | metric | +-------------+----------------------------------+ # Gnocchi API ホストを定義しておく root@dlp ~(keystone)# export controller=10.0.0.50
# gnocchi 用エンドポイント作成 (public) root@dlp ~(keystone)# openstack endpoint create --region RegionOne metric public http://$controller:8041 +--------------+----------------------------------+ | Field | Value | +--------------+----------------------------------+ | enabled | True | | id | 7b1b01918a204d49ab1c14bdd024cd1e | | interface | public | | region | RegionOne | | region_id | RegionOne | | service_id | ac7f1e9c0cce41c7902dc28ef8e2a065 | | service_name | gnocchi | | service_type | metric | | url | http://10.0.0.50:8041 | +--------------+----------------------------------+ # gnocchi 用エンドポイント作成 (internal) root@dlp ~(keystone)# openstack endpoint create --region RegionOne metric internal http://$controller:8041 +--------------+----------------------------------+ | Field | Value | +--------------+----------------------------------+ | enabled | True | | id | b11728e02cb749e7bc730c2940a9c08a | | interface | internal | | region | RegionOne | | region_id | RegionOne | | service_id | ac7f1e9c0cce41c7902dc28ef8e2a065 | | service_name | gnocchi | | service_type | metric | | url | http://10.0.0.50:8041 | +--------------+----------------------------------+ # gnocchi 用エンドポイント作成 (admin) root@dlp ~(keystone)# openstack endpoint create --region RegionOne metric admin http://$controller:8041 +--------------+----------------------------------+ | Field | Value | +--------------+----------------------------------+ | enabled | True | | id | 7d107094625541d1a43aa4545247924e | | interface | admin | | region | RegionOne | | region_id | RegionOne | | service_id | ac7f1e9c0cce41c7902dc28ef8e2a065 | | service_name | gnocchi | | service_type | metric | | url | http://10.0.0.50:8041 | +--------------+----------------------------------+ |
| [2] | Gnocchi 用のユーザーとデータベースを MariaDB に登録しておきます。 |
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root@dlp ~(keystone)# mysql -u root -p Enter password: Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 131 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 gnocchi; Query OK, 1 row affected (0.00 sec)
MariaDB [(none)]>
grant all privileges on gnocchi.* to gnocchi@'localhost' identified by 'password'; Query OK, 0 rows affected (0.00 sec)
MariaDB [(none)]>
grant all privileges on gnocchi.* to gnocchi@'%' identified by 'password'; Query OK, 0 rows affected (0.00 sec)
MariaDB [(none)]>
MariaDB [(none)]> flush privileges; Query OK, 0 rows affected (0.00 sec) exit Bye |
| [3] | Network ノードで Gnocchi サービスをインストールします。インストール中の問いには全て [No] で OK です。 |
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root@network:~# apt -y install gnocchi-api gnocchi-metricd python-gnocchiclient
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| [4] | Gnocchi の基本設定です。 |
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root@network:~# mv /etc/gnocchi/gnocchi.conf /etc/gnocchi/gnocchi.conf.org
root@network:~#
vi /etc/gnocchi/gnocchi.conf # 新規作成 [DEFAULT] log_dir = /var/log/gnocchi [api] auth_mode = keystone [database] backend = sqlalchemy # MariaDB 接続情報 [indexer] url = mysql+pymysql://gnocchi:password@10.0.0.30/gnocchi [storage] driver = file file_basepath = /var/lib/gnocchi # Keystone 認証情報 [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 = gnocchi password = servicepassword service_token_roles_required = true chmod 644 /etc/gnocchi/gnocchi.conf root@network:~# chgrp gnocchi /etc/gnocchi/gnocchi.conf
root@network:~#
su -s /bin/bash gnocchi -c "gnocchi-upgrade" root@network:~# systemctl restart gnocchi-metricd apache2 root@network:~# systemctl enable gnocchi-metricd # Control ノードで動作確認 root@dlp ~(keystone)# apt -y install python-gnocchiclient root@dlp ~(keystone)# export OS_AUTH_TYPE=password root@dlp ~(keystone)# gnocchi resource list
# 何も表示されなければ問題なし |
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