Ubuntu 24.04
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OpenStack Dalmatian : Add Compute Nodes (GPU)2024/10/04

 

Add GPU attached Compute Nodes to use GPU on virtual machine instances.

On this example, add [node02.srv.world] 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         |  |   OVN Metadata Agent  |
|                       |  |                       |  |     OVN-Controller    |
+-----------------------+  +-----------------------+  +-----------------------+

------------+------------
            |
        eth0|10.0.0.52
+-----------+-----------+
|  [ node02.srv.world ] |
|  (Compute Node (GPU)) |
|                       |
|        Libvirt        |
|      Nova Compute     |
|      Open vSwitch     |
|   OVN Metadata Agent  |
|     OVN-Controller    |
+-----------------------+

[1]

On the new Node with GPU, Configure GPU Passthrough setting, refer to here for [1].

[2]

On the new Node with GPU, add it to Openstack Cluster as a Compute Node, refer to here.

[3] On the new Node with GPU, Configure additional settings for Nova-Compute.
root@node02:~#
lspci -nn | grep -i nvidia

81:00.0 VGA compatible controller [0300]: NVIDIA Corporation GA104 [GeForce RTX 3060] [10de:2487] (rev a1)
81:00.1 Audio device [0403]: NVIDIA Corporation GA104 High Definition Audio Controller [10de:228b] (rev a1)

root@node02:~#
vi /etc/nova/nova.conf
# add to last line
# add [vendor_id], [product_id] of passthrough device
[pci]
passthrough_whitelist = { "vendor_id": "10de", "product_id": "2487" }

root@node02:~#
systemctl restart nova-compute
[4] On Control Node, Change Nova settings.
root@dlp ~(keystone)#
vi /etc/nova/nova.conf
# add to last line
# add [vendor_id], [product_id] that are the same one on compute node
# for the [name], set any name you like
[pci]
alias: { "vendor_id":"10de", "product_id":"2487", "device_type":"type-PCI", "name":"RTX-3060" }

[filter_scheduler]
enabled_filters = PciPassthroughFilter

root@dlp ~(keystone)#
systemctl restart nova-api nova-scheduler
# create [flavor] for GPU instance

root@dlp ~(keystone)#
openstack flavor create --id 6 --vcpus 4 --ram 8192 --disk 20 --property "pci_passthrough:alias"="RTX-3060:1" gpu1.small

+----------------------------+------------------------------------+
| Field                      | Value                              |
+----------------------------+------------------------------------+
| OS-FLV-DISABLED:disabled   | False                              |
| OS-FLV-EXT-DATA:ephemeral  | 0                                  |
| description                | None                               |
| disk                       | 20                                 |
| id                         | 6                                  |
| name                       | gpu1.small                         |
| os-flavor-access:is_public | True                               |
| properties                 | pci_passthrough:alias='RTX-3060:1' |
| ram                        | 8192                               |
| rxtx_factor                | 1.0                                |
| swap                       | 0                                  |
| vcpus                      | 4                                  |
+----------------------------+------------------------------------+

root@dlp ~(keystone)#
openstack flavor list

+----+------------+-------+------+-----------+-------+-----------+
| ID | Name       |   RAM | Disk | Ephemeral | VCPUs | Is Public |
+----+------------+-------+------+-----------+-------+-----------+
| 1  | m1.tiny    |  2048 |   10 |         0 |     1 | True      |
| 2  | m1.small   |  4096 |   10 |         0 |     2 | True      |
| 3  | m1.medium  |  8192 |   10 |         0 |     4 | True      |
| 4  | m1.large   | 16384 |   10 |         0 |     8 | True      |
| 5  | m2.medium  |  8192 |   10 |        10 |     4 | True      |
| 6  | gpu1.small |  8192 |   20 |         0 |     4 | True      |
+----+------------+-------+------+-----------+-------+-----------+
[5] Verify settings to create a GPU instance with any Openstack user.
ubuntu@dlp ~(keystone)$
openstack network list

+---------------------------------+---------+----------------------------------+
| ID                              | Name    | Subnets                          |
+---------------------------------+---------+----------------------------------+
| 2da36a04-0d3e-4de8-9be8-        | private | bc45dd3e-0b15-42ca-a37b-         |
| a2972c15bbe4                    |         | 94f2feaf341e                     |
| ce38ba4f-6066-4e93-ae59-        | public  | 22837749-299e-4323-bfc3-         |
| de238fb6ed08                    |         | 3120c8c2d635                     |
+---------------------------------+---------+----------------------------------+

ubuntu@dlp ~(keystone)$
netID=$(openstack network list | grep private | awk '{ print $2 }')

ubuntu@dlp ~(keystone)$
openstack server create --flavor gpu1.small --image Ubuntu2404 --security-group secgroup01 --nic net-id=$netID --key-name mykey Ubuntu-2404GPU
ubuntu@dlp ~(keystone)$
openstack server list

+-------------+-------------+---------+--------------+------------+------------+
| ID          | Name        | Status  | Networks     | Image      | Flavor     |
+-------------+-------------+---------+--------------+------------+------------+
| a0866408-   | Ubuntu-     | ACTIVE  | private=192. | Ubuntu2404 | gpu1.small |
| 3905-4a31-  | 2404GPU     |         | 168.100.225  |            |            |
| bebf-       |             |         |              |            |            |
| f3ae9b6faf8 |             |         |              |            |            |
| 0           |             |         |              |            |            |
| b8fcec95-   | Ubuntu-2404 | SHUTOFF | private=10.0 | Ubuntu2404 | m1.small   |
| d25f-4f1f-  |             |         | .0.203, 192. |            |            |
| 95ec-       |             |         | 168.100.99   |            |            |
| 91ee1e0e66b |             |         |              |            |            |
| 1           |             |         |              |            |            |
+-------------+-------------+---------+--------------+------------+------------+

ubuntu@dlp ~(keystone)$
openstack floating ip create public

+---------------------+--------------------------------------+
| Field               | Value                                |
+---------------------+--------------------------------------+
| created_at          | 2024-10-04T08:01:19Z                 |
| description         |                                      |
| dns_domain          |                                      |
| dns_name            |                                      |
| fixed_ip_address    | None                                 |
| floating_ip_address | 10.0.0.249                           |
| floating_network_id | ce38ba4f-6066-4e93-ae59-de238fb6ed08 |
| id                  | f2a37ece-2a33-49e5-8227-5f3675652986 |
| name                | 10.0.0.249                           |
| port_details        | None                                 |
| port_id             | None                                 |
| project_id          | 84e315c8d65e4b3cb33aaf69c9eed0c3     |
| qos_policy_id       | None                                 |
| revision_number     | 0                                    |
| router_id           | None                                 |
| status              | DOWN                                 |
| subnet_id           | None                                 |
| tags                | []                                   |
| updated_at          | 2024-10-04T08:01:19Z                 |
+---------------------+--------------------------------------+

ubuntu@dlp ~(keystone)$
openstack server add floating ip Ubuntu-2404GPU 10.0.0.249

ubuntu@dlp ~(keystone)$
ssh ubuntu@10.0.0.249

The authenticity of host '10.0.0.249 (10.0.0.249)' can't be established.
ED25519 key fingerprint is SHA256:z9ZmvIECLKGvR+DtFHpUhFUrv8uMThljmp83tgPPkco.
This key is not known by any other names.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added '10.0.0.249' (ED25519) to the list of known hosts.
Welcome to Ubuntu 24.04.1 LTS (GNU/Linux 6.8.0-44-generic x86_64)

.....
.....

ubuntu@ubuntu-2404gpu:~$
ubuntu@ubuntu-2404gpu:~$
lspci | grep -i nvidia

00:05.0 VGA compatible controller: NVIDIA Corporation GA104 [GeForce RTX 3060] (rev a1)
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