OpenStack Epoxy : Configure CloudKitty2025/09/03 |
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Install OpenStack Rating Service (CloudKitty). This example is based on the environment like follows.
------------+--------------------------+--------------------------+------------
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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 | | |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | Add users and others for CloudKitty in Keystone. |
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# create [cloudkitty] user in [service] project root@dlp ~(keystone)# openstack user create --domain default --project service --password servicepassword cloudkitty +---------------------+----------------------------------+ | Field | Value | +---------------------+----------------------------------+ | default_project_id | a60814a6c56241edbbdfae6c290f8abc | | domain_id | default | | email | None | | enabled | True | | id | 9555e71ab6624b7a86cf170b5d912bb8 | | name | cloudkitty | | description | None | | 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 | +-------------+----------------------------------+ | id | 5d07ccda517046ca8a5f4aef8d762590 | | name | rating | | domain_id | None | | description | None | +-------------+----------------------------------+ # create service entry for [cloudkitty] root@dlp ~(keystone)# openstack service create --name cloudkitty --description "OpenStack Rating Service" rating +-------------+----------------------------------+ | Field | Value | +-------------+----------------------------------+ | id | b4223d30e9484a4cb2c12aac0b6ca6d8 | | name | cloudkitty | | type | rating | | enabled | True | | description | OpenStack Rating Service | +-------------+----------------------------------+ # 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://$cloudkitty_api:8889 +--------------+----------------------------------+ | Field | Value | +--------------+----------------------------------+ | enabled | True | | id | 0ddb8d0559f247c6ae2602430aa4a958 | | interface | public | | region | RegionOne | | region_id | RegionOne | | service_id | b4223d30e9484a4cb2c12aac0b6ca6d8 | | service_name | cloudkitty | | service_type | rating | | url | https://network.srv.world:8889 | +--------------+----------------------------------+ # create endpoint for [cloudkitty] (internal) root@dlp ~(keystone)# openstack endpoint create --region RegionOne rating internal https://$cloudkitty_api:8889 +--------------+----------------------------------+ | Field | Value | +--------------+----------------------------------+ | enabled | True | | id | 0767baf62b88419ab206c9ffa0edfc9e | | interface | internal | | region | RegionOne | | region_id | RegionOne | | service_id | b4223d30e9484a4cb2c12aac0b6ca6d8 | | 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 | dbc0ede29f2f48feba431dbe712e6c75 | | interface | admin | | region | RegionOne | | region_id | RegionOne | | service_id | b4223d30e9484a4cb2c12aac0b6ca6d8 | | service_name | cloudkitty | | service_type | rating | | url | https://network.srv.world:8889 | +--------------+----------------------------------+ |
| [2] | Add a User and Database on MariaDB for CloudKitty on Network Node. |
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root@network:~# mysql Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 10032074 Server version: 11.8.2-MariaDB-1 from Debian -- Please help get to 10k stars at https://github.com/MariaDB/Server 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)]> exit Bye |
| [3] | Install CloudKitty on Network Node. For questions during the installation, it's OK with [No] to all. |
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root@network:~# apt -y install cloudkitty-api cloudkitty-processor python3-cloudkittyclient
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| [4] | Get valid SSL/TLS certificate or Create self-signed certificate for Network Node and Configure CloudKitty. |
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root@network:~#
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:cloudkitty /etc/cloudkitty/ssl
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@127.0.0.1/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@127.0.0.1/cloudkitty 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
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. |
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root@dlp ~(keystone)# apt -y install python3-cloudkittyclient root@dlp ~(keystone)# openstack rating summary get +-----------------+---------------+------+-----------------+-----------------+ | Tenant ID | Resource Type | Rate | Begin Time | End Time | +-----------------+---------------+------+-----------------+-----------------+ | d5ba291bfcdc4f8 | ALL | 0 | 2025-09- | 2025-10- | | 982cf5c28922f56 | | | 01T00:00:00 | 01T00:00:00 | | be | | | | | +-----------------+---------------+------+-----------------+-----------------+ |
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