Ubuntu 18.04
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OpenStack Queens : Configure Ceilometer#2 (Compute Node)
2018/06/20
 
Install OpenStack Telemetry Service (Ceilometer).
This example is based on the emvironment 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] Install Ceilometer service on Compute Node.
root@node01:~#
apt -y install ceilometer-agent-compute
[2] Configure Ceilometer.
root@node01:~#
mv /etc/ceilometer/ceilometer.conf /etc/ceilometer/ceilometer.conf.org

root@node01:~#
vi /etc/ceilometer/ceilometer.conf
# create new

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

[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@node01:~#
chmod 640 /etc/ceilometer/ceilometer.conf

root@node01:~#
chgrp ceilometer /etc/ceilometer/ceilometer.conf

root@node01:~#
systemctl restart ceilometer-agent-compute

root@node01:~#
systemctl enable ceilometer-agent-compute

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