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OpenStack Zed : Configure CloudKitty
2022/11/14
 
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  | 62f531f4d2934e75b8d7f11cd7d53be3 |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | f7a4376b3a9c4fa1972ebab5d8462ff7 |
| 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          | 62a16aacb6dc42868665fb179f1b5c82 |
| 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          | adf6d1261b4e46c881e921b188e8f988 |
| 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 http://$cloudkitty_api:8889

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | a0c8e341c42d48728b3d727bb5e09e88 |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | adf6d1261b4e46c881e921b188e8f988 |
| service_name | cloudkitty                       |
| service_type | rating                           |
| url          | http://network.srv.world:8889    |
+--------------+----------------------------------+

# create endpoint for [cloudkitty] (internal)

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

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | c147b332f77a4b398c151c65d04baf9a |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | adf6d1261b4e46c881e921b188e8f988 |
| service_name | cloudkitty                       |
| service_type | rating                           |
| url          | http://network.srv.world:8889    |
+--------------+----------------------------------+

# create endpoint for [cloudkitty] (admin)

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

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 9bb1d80432f14b5297d3b2034e186f41 |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | adf6d1261b4e46c881e921b188e8f988 |
| service_name | cloudkitty                       |
| service_type | rating                           |
| url          | http://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 3693
Server version: 10.5.16-MariaDB 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)]> flush privileges; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> exit 
Bye
[3] Install CloudKitty on Network Node.
# install from Zed, EPEL, CRB

[root@network ~]#
dnf --enablerepo=centos-openstack-zed,epel,crb -y install openstack-cloudkitty-api openstack-cloudkitty-processor python3-cloudkittyclient
[4] Configure CloudKitty.
[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 ~]#
vi /etc/httpd/conf.d/10-cloudkitty_wsgi.conf
# create new

Listen 8889
<VirtualHost *:8889>
    <Directory /usr/bin>
        AllowOverride None
        Require all granted
    </Directory>

    CustomLog /var/log/httpd/cloudkitty_wsgi_access.log combined
    ErrorLog /var/log/httpd/cloudkitty_wsgi_error.log
    WSGIApplicationGroup %{GLOBAL}
    WSGIDaemonProcess cloudkitty display-name=cloudkitty_wsgi user=cloudkitty group=cloudkitty processes=6 threads=6
    WSGIProcessGroup cloudkitty
    WSGIScriptAlias / /usr/bin/cloudkitty-api
</VirtualHost>

[root@network ~]#
pip3 install DateTimeRange

[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 httpd

[root@network ~]#
systemctl enable --now cloudkitty-processor

[5] If Firewalld is running, allow service port.
[root@network ~]#
firewall-cmd --add-port=8889/tcp

success
[root@network ~]#
firewall-cmd --runtime-to-permanent

success
[6] Verify state on Control Node.
[root@dlp ~(keystone)]#
dnf --enablerepo=centos-openstack-zed,epel,crb -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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