OpenStack Juno : Configure Ceilometer#22015/01/29

Configure OpenStack Metering Service (Ceilometer).

This example shows to install Metering Services on the existing environment like follows.
For example, install and configure Metering Services on the Network Node.

                                |
+------------------+            |            +------------------------+
| [ Control Node ] |            |            |    [ Network Node ]    |
|     Keystone     |10.0.0.30   |   10.0.0.50|    DHCP,L3,L2 Agent    |
|      Glance      |------------+------------|     Metadata Agent     |
|     Nova API     |eth0        |        eth0|   Ceilometer Services  |
|  Neutron Server  |            |            |                        |
+------------------+            |            +------------------------+
                            eth0|10.0.0.51
                      +--------------------+
                      |  [ Compute Node ]  |
                      |    Nova Compute    |
                      |      L2 Agent      |
                      | Ceilometer-Compute |
                      +--------------------+

	Install and Configure Ceilometer on this section.
[1]	Install MongoDB which Ceilometer needs for backend database.

# install from EPEL

[root@network ~]#

yum --enablerepo=epel -y install mongodb-server mongodb

[2]	Configure and Start MongoDB.

[root@network ~]#

vi /etc/sysconfig/mongod

# add

OPTIONS="

--smallfiles

--quiet -f /etc/mongodb.conf"

[root@network ~]#

vi /etc/mongodb.conf

# line 4: change to the own IP

bind_ip =

10.0.0.50

[root@network ~]#

systemctl start mongod

[root@network ~]#

systemctl enable mongod

# create a DB for Ceilometer (set any password for "password" section)

[root@network ~]#

mongo --host 10.0.0.50 --eval '
db = db.getSiblingDB("ceilometer");
db.createUser({user: "ceilometer",
pwd: "password",
roles: [ "readWrite", "dbAdmin" ]})'

MongoDB shell version: 2.6.5
connecting to: 10.0.0.50:27017/test
Successfully added user: { "user" : "ceilometer", "roles" : [ "readWrite", "dbAdmin" ] }

[3]	Install Ceilometer services.

# install from RDO, EPEL

[root@network ~]#

yum --enablerepo=openstack-juno,epel -y install openstack-ceilometer-api openstack-ceilometer-collector openstack-ceilometer-notification openstack-ceilometer-central openstack-ceilometer-alarm python-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 server

rabbit_host=10.0.0.30
rabbit_port=5672

# RabbitMQ userID

rabbit_userid=guest

# RabbitMQ userID's password

rabbit_password=password
rpc_backend=rabbit
api_paste_config=/etc/ceilometer/api_paste.ini
libvirt_type=kvm
log_dir=/var/log/ceilometer

[api]
port=8777
host=0.0.0.0

# connection info for MongoDB

[database]
connection=mongodb://ceilometer:password@10.0.0.50:27017/ceilometer

# connection info for Keystone

[keystone_authtoken]
auth_host=10.0.0.30
auth_port=35357
auth_protocol=http
auth_uri=http://10.0.0.30:5000/v2.0
admin_user=ceilometer
admin_password=servicepassword
admin_tenant_name=service

# set the secret key which is shared among nodes.(set any words you like)

[publisher]
metering_secret=meteringsecret

# authentication info for Ceilometer

[service_credentials]
os_username=ceilometer
os_password=servicepassword
os_tenant_name=service
os_auth_url=http://10.0.0.30:35357/v2.0

[root@network ~]#

chgrp ceilometer /etc/ceilometer/ceilometer.conf

[root@network ~]#

chmod 640 /etc/ceilometer/ceilometer.conf

[root@network ~]#

systemctl start openstack-ceilometer-api openstack-ceilometer-notification openstack-ceilometer-central openstack-ceilometer-collector openstack-ceilometer-alarm-evaluator openstack-ceilometer-alarm-notifier

[root@network ~]#

systemctl enable openstack-ceilometer-api openstack-ceilometer-notification openstack-ceilometer-central openstack-ceilometer-collector openstack-ceilometer-alarm-evaluator openstack-ceilometer-alarm-notifier

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