resource updating methods should be using PATCH instead of PUT

[Michael McCune]

there are currently a few methods for updating resources in sahara that use PUT with a partial resource update. while this works, it would be more accurate to make them PATCH methods. this change should occur in both the sahara controller and the saharaclient packages.

the problem being addressed here is that there are 2 different methodologies in use within sahara for updating objects and it creates a confusing view of the REST API. by making these all use PATCH it will be more clear the intended usage of the methods.

the affected methods are for updating node group templates, cluster templates, job binaries, and data sources.

for reference on partial updating, see https://tools.ietf.org/html/rfc5789

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/212917

[OpenStack Infra (hudson-openstack)]

Change abandoned by willy lin (<email address hidden>) on branch: master
Review: https://review.openstack.org/212917

[Chad Roberts (croberts)]

I believe the consensus on this was that we will leave the PUTs alone for now. In api v2, these operations will be PATCH.

[Sergey Reshetnyak (sreshetniak)]

This bug is > 60 days without activity. We are unsetting assignee and milestone and setting status to Incomplete in order to allow its expiry in 60 days.

If the bug is still valid, then update the bug status.

[Vitalii Gridnev (vgridnev)]

Should be covered as a part of the https://blueprints.launchpad.net/sahara/+spec/v2-api-experimental-impl