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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'.

**update-from-deloyed-server-newton.yaml**
  To be used when updating from the deployed-server template from Newton.