Backport #10500 framework/cluster: fix NPE for ms-host status when mgr stops

[bernardodemarco]

Description

This PR backports #10500 to the 4.19 branch.

Types of changes

• Breaking change (fix or feature that would cause existing functionality to change)
• New feature (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Enhancement (improves an existing feature and functionality)
• Cleanup (Code refactoring and cleanup, that may add test cases)
• build/CI
• test (unit or integration test code)

Feature/Enhancement Scale or Bug Severity

Feature/Enhancement Scale

• Major
• Minor

Bug Severity

• BLOCKER
• Critical
• Major
• Minor
• Trivial

Screenshots (if appropriate):

How Has This Been Tested?

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 15 lines in your changes missing coverage. Please review.

Project coverage is 15.89%. Comparing base (ee94ae5) to head (b3e1b23).
Report is 4 commits behind head on 4.19.

Files with missing lines	Patch %	Lines
...ain/java/com/cloud/cluster/ClusterManagerImpl.java	0.00%	15 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               4.19   #10653      +/-   ##
============================================
+ Coverage     15.16%   15.89%   +0.72%     
- Complexity    11328    11331       +3     
============================================
  Files          5415     5046     -369     
  Lines        474824   445164   -29660     
  Branches      57912    52706    -5206     
============================================
- Hits          72014    70765    -1249     
+ Misses       394757   366491   -28266     
+ Partials       8053     7908     -145     

Flag	Coverage Δ
uitests	?
unittests	15.89% <0.00%> (+<0.01%)	⬆️

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[weizhouapache]

@blueorangutan package

[blueorangutan]

@weizhouapache a [SL] Jenkins job has been kicked to build packages. It will be bundled with KVM, XenServer and VMware SystemVM templates. I'll keep you posted as I make progress.

[blueorangutan]

Packaging result [SF]: ✔️ el8 ✔️ el9 ✔️ debian ✔️ suse15. SL-JID 12945

[DaanHoogland]

@blueorangutan test

[DaanHoogland]

clgtm

[blueorangutan]

@DaanHoogland a [SL] Trillian-Jenkins test job (ol8 mgmt + kvm-ol8) has been kicked to run smoke tests

[blueorangutan]

[SF] Trillian test result (tid-12883)
Environment: kvm-ol8 (x2), Advanced Networking with Mgmt server ol8
Total time taken: 48114 seconds
Marvin logs: https://github.com/blueorangutan/acs-prs/releases/download/trillian/pr10653-t12883-kvm-ol8.zip
Smoke tests completed. 133 look OK, 0 have errors, 0 did not run
Only failed and skipped tests results shown below:

Test	Result	Time (s)	Test File

[DaanHoogland]

@rohityadavcloud , can you test this on a arm-arch-environment?

[weizhouapache]

code lgtm