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OpenStack Pike : Ceilometer 設定#1 (Control ノード)
2017/09/27
 
OpenStack Telemetry Service (Ceilometer) 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 Ceilometer サービスをインストールします。
     ------------+---------------------------+---------------------------+------------
                 |                           |                           |
             eth0|10.0.0.30              eth0|10.0.0.50              eth0|10.0.0.51
     +-----------+-----------+   +-----------+-----------+   +-----------+-----------+
     |    [ Control Node ]   |   |    [ Storage Node ]   |   |    [ Compute Node ]   |
     |                       |   |                       |   |                       |
     |  MariaDB    RabbitMQ  |   |      Open_vSwitch     |   |        Libvirt        |
     |  Memcached  httpd     |   |        L2_Agent       |   |     Nova_Compute      |
     |  Keystone   Glance    |   |        L3_Agent       |   |      Open_vSwitch     |
     |  Nova_API  Cinder_API |   |     Metadata_Agent    |   |        L2_Agent       |
     |  Neutron_Server       |   |     Cinder_Volume     |   |  Ceilometer_Compute   |
     |  Metadata_Agent       |   |        Heat_API       |   |                       |
     |  Gnocchi              |   |      Heat Engine      |   |                       |
     |  Ceilometer_Central   |   |                       |   |                       |
     +-----------------------+   +-----------------------+   +-----------------------+

[1]
こちらを参考に事前に Gnocchi をインストールしておきます
当例では Ceilometer で収集したデータを Gnocchi へ保管するよう設定します。
[2] Control ノードの Keystone に Ceilometer 用のユーザー等々を登録しておきます。
# ceilometer 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 ceilometer

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | 626d31665c7140ab82d88b78c4073798 |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | f3ddbcb50b35481786dc468e49181678 |
| name                | ceilometer                       |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# ceilometer ユーザーを admin ロール に加える

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

[root@dlp ~(keystone)]#
openstack service create --name ceilometer --description "OpenStack Telemetry Service" metering

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | OpenStack Telemetry Service      |
| enabled     | True                             |
| id          | 36fe214052ab448abc04431ba6acd967 |
| name        | ceilometer                       |
| type        | metering                         |
+-------------+----------------------------------+
[3] Ceilometer サービスをインストールします。
# Pike, EPEL からインストール

[root@dlp ~(keystone)]#
yum --enablerepo=centos-openstack-pike,epel -y install openstack-ceilometer-central openstack-ceilometer-notification python2-ceilometerclient
[4] Ceilometer の基本設定です。
[root@dlp ~(keystone)]#
mv /etc/ceilometer/ceilometer.conf /etc/ceilometer/ceilometer.conf.org

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

[DEFAULT]
# RabbitMQ 接続情報
transport_url = rabbit://openstack:password@10.0.0.30

[api]
auth_mode = keystone

[dispatcher_gnocchi]
filter_service_activity = False

# Keystone 認証情報 (gnocchiで認証)
[keystone_authtoken]
auth_uri = http://10.0.0.30:5000/v3
auth_url = http://10.0.0.30:35357
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

# Keystone 認証情報 (ceilometerで認証)
[service_credentials]
auth_uri = http://10.0.0.30:5000/v3
auth_url = http://10.0.0.30:35357
memcached_servers = 10.0.0.30:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = ceilometer
password = servicepassword

[root@dlp ~(keystone)]#
chmod 640 /etc/ceilometer/ceilometer.conf

[root@dlp ~(keystone)]#
chgrp ceilometer /etc/ceilometer/ceilometer.conf

[root@dlp ~(keystone)]#
su -s /bin/bash ceilometer -c "ceilometer-upgrade --skip-metering-database"

[root@dlp ~(keystone)]#
systemctl start openstack-ceilometer-central openstack-ceilometer-notification

[root@dlp ~(keystone)]#
systemctl enable openstack-ceilometer-central openstack-ceilometer-notification

 
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