CentOS 7
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OpenStack Queens : Configure Ceilometer#2 (Compute Node)
2018/03/11
 
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 ]   |   |    [ 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] Install Ceilometer service on Compute Node.
# install from Queens, EPEL

[root@node01 ~]#
yum --enablerepo=centos-openstack-queens,epel -y install openstack-ceilometer-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 start openstack-ceilometer-compute

[root@node01 ~]#
systemctl enable openstack-ceilometer-compute

 
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