Ubuntu 20.04
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OpenStack Ussuri : Configure Ceilometer (Network Node)2020/06/18

 
Install OpenStack Telemetry Service (Ceilometer).
This example is based on the environment like follows.
------------+---------------------------+---------------------------+------------
            |                           |                           |
        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     |   |   Ceilometer Compute  |
|  Metadata Agent       |   |        Heat API       |   |                       |
|                       |   |      Heat Engine      |   |                       |
|                       |   |    Gnocchi  httpd     |   |                       |
|                       |   |   Ceilometer Central  |   |                       |
+-----------------------+   +-----------------------+   +-----------------------+

[1]
[2] Add users and others for Ceilometer in Keystone.
# create [ceilometer] user in [service] project

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

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | c0e098a54a4640caa9004fb8f500f554 |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 3d1f14e0843940dfb5afaeee1ec45507 |
| name                | ceilometer                       |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# add [ceilometer] user in [admin] role

root@dlp ~(keystone)#
openstack role add --project service --user ceilometer admin
# create service entry for [ceilometer]

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

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | OpenStack Telemetry Service      |
| enabled     | True                             |
| id          | 8b72a083f5c14fbd9c64e55b3b441c21 |
| name        | ceilometer                       |
| type        | metering                         |
+-------------+----------------------------------+
[3] Install Ceilometer services on Network Node.
root@network:~#
apt -y install ceilometer-agent-central ceilometer-agent-notification python3-ceilometerclient
[4] Configure Ceilometer.
root@network:~#
mv /etc/ceilometer/ceilometer.conf /etc/ceilometer/ceilometer.conf.org

root@network:~#
vi /etc/ceilometer/ceilometer.conf
# create new

[DEFAULT]
# RabbitMQ connection info
transport_url = rabbit://openstack:password@10.0.0.30

[api]
auth_mode = keystone

[dispatcher_gnocchi]
filter_service_activity = False

# Keystone auth info (with gnocchi user)
[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

# Keystone auth info (with ceilometer user)
[service_credentials]
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 = ceilometer
password = servicepassword

root@network:~#
chmod 640 /etc/ceilometer/ceilometer.conf

root@network:~#
chgrp ceilometer /etc/ceilometer/ceilometer.conf

root@network:~#
su -s /bin/bash ceilometer -c "ceilometer-upgrade"

root@network:~#
systemctl restart ceilometer-agent-central ceilometer-agent-notification

root@network:~#
systemctl enable ceilometer-agent-central ceilometer-agent-notification

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