Added an upgrade guide for the 0.4.0 release

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Diptanu Choudhury 2016-07-06 11:46:41 -07:00
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commit 246d60ade2
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@ -15,6 +15,16 @@ details provided for their upgrades as a result of new features or changed
behavior. This page is used to document those details separately from the
standard upgrade flow.
## Nomad 0.4.0
Nomad 0.4.0 has backward incompatible changes in the logic which removes
services which are no longer referenced by any running task on clients. An
in-place upgrade of the Nomad client is going to result in some stray services
on the client.
We recommend draining a node before upgrading to 0.4.0 and then re-enabling the
node once the upgrade is complete.
## Nomad 0.3.1
Nomad 0.3.1 removes artifact downloading from driver configs and places them as