Ubuntu 22.04
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OpenStack Zed : Configure CloudKitty
2022/10/19
 
Install OpenStack Rating Service (CloudKitty).
This example is based on the environment like follows.
------------+-----------------------------+-----------------------------+------------
            |                             |                             |
        eth0|10.0.0.30                eth0|10.0.0.50                eth0|10.0.0.51
+-----------+-----------+     +-----------+-----------+     +-----------+-----------+
|   [ dlp.srv.world ]   |     | [ network.srv.world ] |     |  [ node01.srv.world ] |
|     (Control Node)    |     |     (Network Node)    |     |     (Compute Node)    |
|                       |     |                       |     |                       |
|  MariaDB    RabbitMQ  |     |      Open vSwitch     |     |        Libvirt        |
|  Memcached  Nginx     |     |     Neutron Server    |     |      Nova Compute     |
|  Keystone   httpd     |     |      OVN-Northd       |     |      Open vSwitch     |
|  Glance     Nova API  |     |  Nginx  iSCSI Target  |     |   OVN Metadata Agent  |
|  Cinder API           |     |     Cinder Volume     |     |     OVN-Controller    |
|                       |     |     Gnocchi httpd     |     |   Ceilometer Compute  |
|                       |     |   Ceilometer Central  |     |                       |
|                       |     |     CloudKitty API    |     |                       |
+-----------------------+     +-----------------------+     +-----------------------+

[1] Add users and others for CloudKitty in Keystone.
# create [cloudkitty] user in [service] project

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

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | ee51c09c765e4a4d958c2bcc4dbb5665 |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 6650ce93b46e4e28b2971565575ef9e6 |
| name                | cloudkitty                       |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# add [cloudkitty] user in [admin] role

root@dlp ~(keystone)#
openstack role add --project service --user cloudkitty admin
# create [rating] role

root@dlp ~(keystone)#
openstack role create rating
+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | None                             |
| domain_id   | None                             |
| id          | 9a8f3a78203045bd84f0ce6e03d9ca96 |
| name        | rating                           |
| options     | {}                               |
+-------------+----------------------------------+

# create service entry for [cloudkitty]

root@dlp ~(keystone)#
openstack service create --name cloudkitty --description "OpenStack Rating Service" rating

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | OpenStack Rating Service         |
| enabled     | True                             |
| id          | 2677da0f310441ada53e690df4538260 |
| name        | cloudkitty                       |
| type        | rating                           |
+-------------+----------------------------------+

# set CloudKitty API Host

root@dlp ~(keystone)#
export cloudkitty_api=network.srv.world
# create endpoint for [cloudkitty] (public)

root@dlp ~(keystone)#
openstack endpoint create --region RegionOne rating public https://$cloudkitty_api:8889

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | d64d1d550f0b46f9ab185a9812deaaa9 |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 2677da0f310441ada53e690df4538260 |
| service_name | cloudkitty                       |
| service_type | rating                           |
| url          | https://network.srv.world:8889   |
+--------------+----------------------------------+

# create endpoint for [cloudkitty] (internal)

root@dlp ~(keystone)#
openstack endpoint create --region RegionOne rating internal https://$cloudkitty_api:8889

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 0dadea74b68e4cbca9216aaba9f059ff |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 2677da0f310441ada53e690df4538260 |
| service_name | cloudkitty                       |
| service_type | rating                           |
| url          | https://network.srv.world:8889   |
+--------------+----------------------------------+

# create endpoint for [cloudkitty] (admin)

root@dlp ~(keystone)#
openstack endpoint create --region RegionOne rating admin https://$cloudkitty_api:8889

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | ee601d214a6345f8beb356f90e688146 |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 2677da0f310441ada53e690df4538260 |
| service_name | cloudkitty                       |
| service_type | rating                           |
| url          | https://network.srv.world:8889   |
+--------------+----------------------------------+
[2] Add a User and Database on MariaDB for CloudKitty.
root@dlp ~(keystone)#
mysql

Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 9416
Server version: 10.6.7-MariaDB-2ubuntu1.1 Ubuntu 22.04

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MariaDB [(none)]> create database cloudkitty; 
Query OK, 1 row affected (0.00 sec)

MariaDB [(none)]> grant all privileges on cloudkitty.* to cloudkitty@'localhost' identified by 'password'; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> grant all privileges on cloudkitty.* to cloudkitty@'%' identified by 'password'; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> flush privileges; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> exit 
Bye
[3] Install CloudKitty on Network Node. For questions duruing the installation, it's OK with [No] to all.
root@network:~#
apt -y install cloudkitty-api cloudkitty-processor python3-cloudkittyclient
[4] Get valid SSL/TLS certificate or Create self-signed certificate for Network Node and Configure CloudKitty.
root@network:~#
mkdir -p /etc/cloudkitty/ssl/{public,private}

root@network:~#
cp /etc/letsencrypt/live/network.srv.world/fullchain.pem /etc/cloudkitty/ssl/public/fullchain.crt

root@network:~#
cp /etc/letsencrypt/live/network.srv.world/privkey.pem /etc/cloudkitty/ssl/private/

root@network:~#
chown -R cloudkitty. /etc/cloudkitty/ssl
root@network:~#
mv /etc/cloudkitty/cloudkitty.conf /etc/cloudkitty/cloudkitty.conf.org

root@network:~#
vi /etc/cloudkitty/cloudkitty.conf
# create new

[DEFAULT]
log_dir = /var/log/cloudkitty
transport_url = rabbit://openstack:password@dlp.srv.world
auth_strategy = keystone

[collect]
collector = gnocchi
# set period for rating
# default is 3600 (sec)
# * following short period is for testing one
period = 600
metrics_conf = /etc/cloudkitty/metrics.yml

[collector_gnocchi]
auth_section = keystone_authtoken
region_name = RegionOne

# MariaDB connection info
[database]
connection = mysql+pymysql://cloudkitty:password@dlp.srv.world/cloudkitty

[fetcher]
backend = gnocchi

[fetcher_gnocchi]
auth_section = keystone_authtoken
region_name = RegionOne

[fetcher_keystone]
keystone_version = 3
auth_section = keystone_authtoken
region_name = RegionOne

# Keystone auth info
[keystone_authtoken]
www_authenticate_uri = https://dlp.srv.world:5000/v3
auth_url = https://dlp.srv.world:5000/v3
memcached_servers = dlp.srv.world:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = cloudkitty
password = servicepassword
region_name = RegionOne
service_token_roles_required = true
# if using self-signed certs on Apache2 Keystone, turn to [true]
insecure = false

[oslo_messaging_notifications]
driver = messagingv2
transport_url = rabbit://openstack:password@dlp.srv.world

[storage]
backend = sqlalchemy
version = 1

# MariaDB connection info
[orchestrator]
coordination_url = mysql://cloudkitty:password@dlp.srv.world/cloudkitty

root@network:~#
mv /etc/cloudkitty/metrics.yml /etc/cloudkitty/metrics.yml.org

root@network:~#
vi /etc/cloudkitty/metrics.yml
# create new

metrics:
  cpu:
    unit: instance
    alt_name: instance
    groupby:
      - id
      - user_id
      - project_id
    metadata:
      - flavor_name
      - flavor_id
      - vcpus
    mutate: NUMBOOL
    extra_args:
      aggregation_method: mean
      resource_type: instance
      force_granularity: 300

  volume.size:
    unit: GiB
    groupby:
      - id
      - user_id
      - project_id
    metadata:
      - volume_type
    extra_args:
      aggregation_method: mean
      resource_type: volume
      force_granularity: 300

root@network:~#
chmod 640 /etc/cloudkitty/{cloudkitty.conf,metrics.yml}

root@network:~#
chgrp cloudkitty /etc/cloudkitty/{cloudkitty.conf,metrics.yml}

root@network:~#
su -s /bin/bash cloudkitty -c "cloudkitty-dbsync upgrade"

root@network:~#
su -s /bin/bash cloudkitty -c "cloudkitty-storage-init"

root@network:~#
systemctl restart cloudkitty-api cloudkitty-processor

root@network:~#
systemctl enable cloudkitty-api cloudkitty-processor

[5] Verify state on Control Node.
root@dlp ~(keystone)#
apt -y install python3-cloudkittyclient

root@dlp ~(keystone)#
openstack rating summary get

+----------------------------------+---------------+------+---------------------+---------------------+
| Tenant ID                        | Resource Type | Rate | Begin Time          | End Time            |
+----------------------------------+---------------+------+---------------------+---------------------+
| 231a529f51394426b07c56f2c5ec580e | ALL           | 0    | 2022-10-01T00:00:00 | 2022-11-01T00:00:00 |
+----------------------------------+---------------+------+---------------------+---------------------+
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