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1. Run puppet on the first host with rocky modules/tags
2. Stop puppet, apache2 and the cinder-services
3. Run apt dist-upgrade
4. Run cinder-manage db sync
5. In hiera, add cinder::keystone::authtoken::www_authenticate_uri: "%{alias('ntnuopenstack::keystone::auth::uri')}"
   1. And Remove cinder::keystone::authtoken::auth_uri: "%{alias('ntnuopenstack::keystone::auth::uri')}"
6. Re-run puppet
7. Repeat steps 1-3 and 6 on the rest of the cinder nodes

Neutron

To upgrade neutron without any downtime, follow this procedure

On the API-nodes

1. Pick the first node, and run puppet with the rocky modules/tags
2. Run apt dist-upgrade
3. Run neutron-db-manage upgrade --expand
4. Restart neutron-server.service and rerun puppet
5. Upgrade the rest of the API-nodes (repeating step 1-4)
6. When all API-nodes are upgraded, run neutron-db-mange has_offline_migrations
   1. When the above command reports "No offline migrations pending" it is safe to:
   2. Run neutron-db-manage upgrade --contract

On the network nodes

1. Run puppet with the rocky modules/tags
2. Run apt dist-upgrade
3. Rerun puppet and restart the service
   1. systemctl restart neutron-dhcp-agent.service neutron-l3-agent.service neutron-lbaasv2-agent.service neutron-metadata-agent.service neutron-openvswitch-agent.service neutron-ovs-cleanup.service

Heat

The rolling upgrade procedure for heat includes a step where you are supposed to create a new rabbit vhost. I don't want that. Therefore, this is the cold upgrade steps

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