Ubuntu 14.04
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OpenStack Liberty : Configure Ceilometer#2
2015/12/29
 
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.
root@network:~#
apt-get -y install mongodb-server mongodb python-pymongo
[2] Configure and Start MongoDB.
root@network:~#
vi /etc/mongodb.conf
# line 11: change

bind_ip =
0.0.0.0
root@network:~#
initctl restart mongodb
# create a DataBase for Ceilometer (set any password for "password" section)

root@network:~#
mongo --host 10.0.0.50 --eval '
db = db.getSiblingDB("ceilometer");
db.addUser({user: "ceilometer",
pwd: "password",
roles: [ "readWrite", "dbAdmin" ]})'

MongoDB shell version: 2.4.9
connecting to: 10.0.0.50:27017/test
{
        "user" : "ceilometer",
        "pwd" : "c3f1480e5fb171fed77480ec8a9c1a7f",
        "roles" : [
                "readWrite",
                "dbAdmin"
        ],
        "_id" : ObjectId("568928cff5c8676f81afd9a3")
}
[3] Install Ceilometer services.
root@network:~#
apt-get -y install ceilometer-api ceilometer-collector ceilometer-agent-central ceilometer-agent-notification ceilometer-alarm-evaluator ceilometer-alarm-notifier 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]
rpc_backend = rabbit
auth_strategy = keystone
[api]
port = 8777
host = 0.0.0.0
# MongoDB connection info

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

[oslo_messaging_rabbit]
rabbit_host = 10.0.0.30
rabbit_port = 5672
rabbit_userid = openstack
rabbit_password = password
# Keystone auth info

[keystone_authtoken]
auth_uri = http://10.0.0.30:5000
auth_url = http://10.0.0.30:35357
auth_plugin = password
project_domain_id = default
user_domain_id = default
project_name = service
username = ceilometer
password = servicepassword
# Ceilometer auth info

[service_credentials]
os_auth_url = http://10.0.0.30:5000/v2.0
os_username = ceilometer
os_tenant_name = service
os_password = servicepassword
os_endpoint_type = internalURL
os_region_name = RegionOne
root@network:~#
chown ceilometer. /etc/ceilometer/ceilometer.conf

root@network:~#
chmod 644 /etc/ceilometer/ceilometer.conf

root@network:~#
for service in agent-central agent-notification api collector alarm-evaluator alarm-notifier; do
initctl restart ceilometer-$service
done
 
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