Enable the mechanism to upgrade the platform components on
a running StarlingX system with duplex controllers.
This includes upgrade updates for:
o generation of kubernetes join_cmd to enable the N+1 controller
to join the cluster
o migrate of kubernetes config
o migrate etcd on host-swact
o migrate of DistributedCloud dcmanager and dcorch databases
A maintenance release for stx3.x is required to upgrade to stx4.0
Tests Performed with duplex controller: AIO-DX and Standard
- system load-import
- system health-query-upgrade
- system upgrade-start
- system host-upgrade controller-0
- system host-lock/unlock host N while controller N, N+1
- system host-lock/unlock controller-0 while controller N+1
- system host-upgrade controller-1
- system host-upgrade storage
- system host-upgrade worker
- system upgrade-activate
- system upgrade-abort
- system host-downgrade
- system upgrade-complete
- verified application (e.g. stx-monitor) over upgrade
Change-Id: I4267c7b32b2e7b59b5ffdd8146288698962da1e0
Story: 2007403
Task: 39243
Task: 39244
Task: 39245
Signed-off-by: John Kung <john.kung@windriver.com>