Abhishek Kumar dc91a1fd4d
server: destroy ssvm, cpvm on last host maintenance (#4644)
* server: destroy ssvm, cpvm on last host maintenance

When a single or last UP host enters into maintenance just stopping SSVM and CPVM will leave behind VMs on hypervisor side. As these system vms will be recreated they can be destroyed.
Fixes #3719

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>

* fix methods

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>

* immediately destroy systemvms

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>

* fix destroy

Added bypassHostMaintenance flag in Comma.java class to allow command to be handled by host agent even when host is in maintenace.
Flag is set true only for delete commands for ssvm and cpvm.

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>

* unit test fix

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>

* fix missing return statement

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>

* fix

VM should be stopped with cleanup before calling expunge else it server may through error with host in PrepareForMaintenance state.

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>

* refactor

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>

* rename

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>

* refactor

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>
2021-05-14 23:16:15 +05:30
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