Package Upgrades
Compute Nodes
Set HOST environment to be used in subsequent commands to the compute node which is going to be updated
HOST=""
Disable compute host, so that no new instances are scheduled to it and instance state remains unchanged
osism manage compute disable $HOST
Live-migrate all instances to other compute nodes
osism manage compute migrate --yes $HOST
List remaining nodes in non-live-migratable state
osism manage compute list $HOST
Move shut off nodes to other nodes
INTERACTIVE=false openstack server list --all-projects --status SHUTOFF --host $HOST -f value -c ID | while read -r ID; do openstack server migrate $ID; done
Show migrations
openstack server migration list --host $HOST --changes-since 2025-04-15
and confirm resize for all finished migrations individually
openstack server resize confirm #SERVER
Check for remaining nodes in unmigratables states
osism manage compute list $HOST
Apply package upgrades
osism apply upgrade-packages -e ireallymeanit=yes --limit $HOST
Optionally reboot the node
osism apply reboot -e ireallymeanit=yes -e reboot_wait=yes --limit $HOST
Re-enable the compute node
osism manage compute enable $HOST