Roughed in sw-deploy by replacing sw-upgrade and adding things as
needed. The intention here being is to create the basic stage/step flow
for followup reviews.
There are numerous changes still required to complete the strategy.
TODO in followups:
* SWACT/unlock retries
* Fix any broken/new steps (precheck/deploy/hosts_list)
* Update USM API calls after they are changed
* Maintain state using USM api responses
* Major release support, including SWACT to controller-0 if required
* strategy reentrancy
TEST PLAN
PASSING: Unit tests
NOT PASSING: sw-deploy-strategy on AIO-SX
NOT PASSING: sw-deploy-strategy on system controllers (AIO-DX)
Depends-On: https://review.opendev.org/c/starlingx/nfv/+/914037
Story: 2011045
Task: 49783
Change-Id: If1eb5b45089f4a67d6d88093d0e215e510fd8c55
Signed-off-by: Joshua Kraitberg <joshua.kraitberg@windriver.com>
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