/usr/share/tripleo-heat-templates/environments/updates/README.md is in python-tripleo-heat-templates 5.2.0-1.
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1 2 3 4 5 6 7 8 9 10 11 12 | This directory contains Heat environment file snippets which can
be used to ensure smooth updates of the Overcloud.
Contents
--------
**update-from-keystone-admin-internal-api.yaml**
To be used if the Keystone Admin API was originally deployed on the
Internal API network.
**update-from-publicvip-on-ctlplane.yaml**
To be used if the PublicVirtualIP resource was deployed as an additional VIP on the 'ctlplane'.
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