To install OpenStack on Ubuntu for controller and compute nodes ( AI generated)

 To install OpenStack on Ubuntu for controller and compute nodes, follow these steps:


## Controller Node Setup


1. Update and upgrade the system:


```bash

sudo apt update && sudo apt upgrade -y

```


2. Install OpenStack client:


```bash

sudo apt install python3-openstackclient -y

```


3. Install and configure Nova on the controller node:


```bash

sudo apt install nova-api nova-conductor nova-scheduler nova-novncproxy -y

```


4. Edit the Nova configuration file:


```bash

sudo nano /etc/nova/nova.conf

```


Add the following configurations:


```

[DEFAULT]

transport_url = rabbit://openstack:RABBIT_PASS@controller

my_ip = CONTROLLER_IP

use_neutron = true

firewall_driver = nova.virt.firewall.NoopFirewallDriver


[api_database]

connection = mysql+pymysql://nova:NOVA_DBPASS@controller/nova_api


[database]

connection = mysql+pymysql://nova:NOVA_DBPASS@controller/nova


[keystone_authtoken]

www_authenticate_uri = http://controller:5000/

auth_url = http://controller:5000/

memcached_servers = controller:11211

auth_type = password

project_domain_name = Default

user_domain_name = Default

project_name = service

username = nova

password = NOVA_PASS


[vnc]

enabled = true

server_listen = $my_ip

server_proxyclient_address = $my_ip


[glance]

api_servers = http://controller:9292


[oslo_concurrency]

lock_path = /var/lib/nova/tmp


[placement]

region_name = RegionOne

project_domain_name = Default

project_name = service

auth_type = password

user_domain_name = Default

auth_url = http://controller:5000/v3

username = placement

password = PLACEMENT_PASS

```


5. Populate the Nova databases:


```bash

sudo nova-manage api_db sync

sudo nova-manage cell_v2 map_cell0

sudo nova-manage cell_v2 create_cell --name=cell1

sudo nova-manage db sync

```


6. Restart Nova services:


```bash

sudo systemctl restart nova-api nova-scheduler nova-conductor nova-novncproxy

```


## Compute Node Setup


1. Install Nova compute:


```bash

sudo apt install nova-compute -y

```


2. Edit the Nova configuration file:


```bash

sudo nano /etc/nova/nova.conf

```


Add the following configurations:


```

[DEFAULT]

transport_url = rabbit://openstack:RABBIT_PASS@controller

my_ip = COMPUTE_NODE_IP

use_neutron = true

firewall_driver = nova.virt.firewall.NoopFirewallDriver


[keystone_authtoken]

www_authenticate_uri = http://controller:5000/

auth_url = http://controller:5000/

memcached_servers = controller:11211

auth_type = password

project_domain_name = Default

user_domain_name = Default

project_name = service

username = nova

password = NOVA_PASS


[vnc]

enabled = true

server_listen = 0.0.0.0

server_proxyclient_address = $my_ip

novncproxy_base_url = http://controller:6080/vnc_auto.html


[glance]

api_servers = http://controller:9292


[oslo_concurrency]

lock_path = /var/lib/nova/tmp


[placement]

region_name = RegionOne

project_domain_name = Default

project_name = service

auth_type = password

user_domain_name = Default

auth_url = http://controller:5000/v3

username = placement

password = PLACEMENT_PASS

```


3. Restart Nova compute service:


```bash

sudo systemctl restart nova-compute

```


4. On the controller node, add the compute node to the cell database:


```bash

sudo nova-manage cell_v2 discover_hosts

```


Remember to replace placeholders like RABBIT_PASS, NOVA_DBPASS, CONTROLLER_IP, COMPUTE_NODE_IP, NOVA_PASS, and PLACEMENT_PASS with appropriate values[1][2][6].


This setup provides a basic OpenStack installation with Nova services on both controller and compute nodes. For a production environment, you'll need to configure additional services like Neutron for networking, Cinder for block storage, and set up proper security measures[2][5].


env | grep OS_


Citations:

[1] https://www.youtube.com/watch?v=KCvXYDXn394

[2] https://docs.openstack.org/horizon/latest/install/install-ubuntu.html

[3] https://www.youtube.com/watch?v=7AFe6RPWdqg

[4] https://ubuntu.com/openstack/install

[5] https://us.nttdata.com/en/blog/2014/april/openstack-multi-node-installation-control-network-and-compute

[6] https://docs.openstack.org/nova/rocky/install/controller-install-ubuntu.html

[7] https://docs.openstack.org/nova/queens/install/compute-install.html

[8] https://stackoverflow.com/questions/53198603/is-it-possible-to-install-openstack-controller-node-in-a-ubuntu-desktop-os

[9] https://askubuntu.com/questions/1125224/multinode1-controller-node-2-compute-1-network-node-openstack-rocky-deployme

[10] https://docs.openstack.org/mitaka/install-guide-ubuntu/nova-controller-install.html


( generated by perplexity ai ) 

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