Thursday, December 4, 2025

OpenStack Epoxy : Configure Nova #3

 



OpenStack Epoxy : Configure Nova #3
 

Install OpenStack Compute Service (Nova).

This example is based on the environment like follows.
If you'd like to install Nova Compute on another Host, refer to here.

        eth0|10.0.0.30 
+-----------+-----------+
|   [ dlp.srv.world ]   |
|     (Control Node)    |
|                       |
|  MariaDB    RabbitMQ  |
|  Memcached  Nginx     |
|  Keystone   httpd     |
|  Glance     Nova API  |
|  Nova Compute         |
+-----------------------+

[1]

Install KVM HyperVisor on Compute Host, refer to here.
It does not need to set Bridge networking on the section [2] of the link.

[2]Install Nova Compute.
root@dlp ~(keystone)# 
apt -y install nova-compute nova-compute-kvm
[3]In addition to basic settings of Nova, add following settings.
root@dlp ~(keystone)# 
vi /etc/nova/nova.conf
# add into the [vnc] section
# IP address compute instances listen
[vnc]
enabled = True
server_listen = 10.0.0.30
server_proxyclient_address = 10.0.0.30
novncproxy_host = 127.0.0.1
novncproxy_port = 6080
novncproxy_base_url = https://dlp.srv.world:6080/vnc_auto.html
[4]Start Nova Compute service.
root@dlp ~(keystone)# 
systemctl restart nova-compute

# discover Compute Node

root@dlp ~(keystone)# 
su -s /bin/bash nova -c "nova-manage cell_v2 discover_hosts"
# show status

root@dlp ~(keystone)# 
openstack compute service list

+-------------------------------+----------------+---------------+----------+---------+-------+----------------------------+
| ID                            | Binary         | Host          | Zone     | Status  | State | Updated At                 |
+-------------------------------+----------------+---------------+----------+---------+-------+----------------------------+
| 2ac6894c-fa22-4bd6-ab26-      | nova-scheduler | dlp.srv.world | internal | enabled | up    | 2025-08-27T00:58:37.000000 |
| 3de55ae42f22                  |                |               |          |         |       |                            |
| 326f387a-2680-4428-b86c-      | nova-conductor | dlp.srv.world | internal | enabled | up    | 2025-08-27T00:58:37.000000 |
| 10bdbc82a668                  |                |               |          |         |       |                            |
| c880b9ac-fa23-4e43-b7fe-      | nova-compute   | dlp.srv.world | nova     | enabled | up    | 2025-08-27T00:58:40.000000 |
| bad167cf9b27                  |                |               |          |         |       |                            |
+-------------------------------+----------------+---------------+----------+---------+-------+----------------------------+
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