heat/releasenotes/notes/hidden-heat-harestarter-res...

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---
upgrade:
- |
The ``OS::Heat::HARestarter`` resource type is no longer supported. This
resource type is now hidden from the documentation. HARestarter resources
in stacks, including pre-existing ones, are now only placeholders and will
no longer do anything. The recommended alternative is to mark a resource
unhealthy and then do a stack update to replace it. This still correctly
manages dependencies but, unlike HARestarter, also avoid replacing
dependent resources unnecessarily. An example of this technique can be
seen in the autohealing sample templates at
https://git.openstack.org/cgit/openstack/heat-templates/tree/hot/autohealing