At the moment, all templates that are available can be used to deploy a machine. When a template is removed, it is no longer possible to know how a machine was deployed.
A solution is to use an OpenStack metadata item to indicate that a template is deprecated, and have this be respected by the portal. That way, the portal can still show the template for older machines, but prevent new machines being deployed using it.
At the moment, all templates that are available can be used to deploy a machine. When a template is removed, it is no longer possible to know how a machine was deployed.
A solution is to use an OpenStack metadata item to indicate that a template is deprecated, and have this be respected by the portal. That way, the portal can still show the template for older machines, but prevent new machines being deployed using it.