CentOS 7
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OpenStack Queens : Configure Ceilometer#1 (Control 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]
[2] Add users and others for Ceilometer in Keystone.
# add ceilometer user (set in service project)

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

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | b1da1070c8af427886d0202f8bbe414f |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 61d8449da0b345f2aecfaf0d13310bd7 |
| name                | ceilometer                       |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# add ceilometer user in admin role

[root@dlp ~(keystone)]#
openstack role add --project service --user ceilometer admin
# add 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          | dae9e86b5ded4749b457e0887603a537 |
| name        | ceilometer                       |
| type        | metering                         |
+-------------+----------------------------------+
[3] Install Ceilometer.
# install from Queens, EPEL

[root@dlp ~(keystone)]#
yum --enablerepo=centos-openstack-queens,epel -y install openstack-ceilometer-central openstack-ceilometer-notification python2-ceilometerclient
[4] Configure Ceilometer.
[root@dlp ~(keystone)]#
mv /etc/ceilometer/ceilometer.conf /etc/ceilometer/ceilometer.conf.org

[root@dlp ~(keystone)]#
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@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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