Commit 92130619 authored by Łukasz Nowak's avatar Łukasz Nowak

software/kvm: Explain how to update boot-image-url-select

parent 74a8fd76
......@@ -117,3 +117,18 @@ files for more instance parameters (cpu-count, ram-size, disk-size, specific loc
Then, if you want one of the two clones to takeover, you need to login into
the hosting machine, go to the partition of the clone, and invoke bin/takeover.
Technical notes
---------------
Updating boot-image-url-select
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* download the new OS installation image
* calculate it's sha512sum and store as <SHA512>
* calculate it's md5sum and store as <MD5>
* upload it to shacache
* construct download url: ``https://shacache.nxdcdn.com/<SHA512>#<MD5>``
* update the ``boot-image-url-select`` in:
* ``instance-kvm-input-schema.json``
* ``instance-kvm-cluster-input-schema.json``
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