Improve logs for VM migrations

[nvazquez]

Description

This PR adds more comprehensive logs to the VM migration flow

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?

How did you try to break this feature and the system with this change?

[nvazquez]

@blueorangutan package

[blueorangutan]

@nvazquez 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.

[codecov]

Codecov Report

❌ Patch coverage is 11.42857% with 31 lines in your changes missing coverage. Please review.
✅ Project coverage is 17.59%. Comparing base (55ab7c5) to head (d57e3ac).
⚠️ Report is 17 commits behind head on 4.22.

Files with missing lines	Patch %	Lines
...n/java/com/cloud/vm/VirtualMachineManagerImpl.java	0.00%	21 Missing ⚠️
...resource/wrapper/LibvirtMigrateCommandWrapper.java	37.50%	5 Missing ⚠️
...pper/LibvirtPrepareForMigrationCommandWrapper.java	25.00%	3 Missing ⚠️
.../src/main/java/com/cloud/vm/UserVmManagerImpl.java	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##               4.22   #12332    +/-   ##
==========================================
  Coverage     17.59%   17.59%            
- Complexity    15595    15597     +2     
==========================================
  Files          5910     5910            
  Lines        529606   529718   +112     
  Branches      64705    64716    +11     
==========================================
+ Hits          93178    93206    +28     
- Misses       425940   426021    +81     
- Partials      10488    10491     +3     

Flag	Coverage Δ
uitests	3.57% <ø> (+<0.01%)	⬆️
unittests	18.66% <11.42%> (+<0.01%)	⬆️

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[blueorangutan]

Packaging result [SF]: ✔️ el8 ✔️ el9 ✔️ el10 ✔️ debian ✔️ suse15. SL-JID 16147

[DaanHoogland]

clgtm, just some nitpicking

[abh1sar]

Code LGTM

[nvazquez]

@blueorangutan test

[blueorangutan]

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

[sureshanaparti]

code lgtm

[DaanHoogland]

I think we can settle for regression tests on this one.

[blueorangutan]

[SF] Trillian test result (tid-15138)
Environment: kvm-ol8 (x2), zone: Advanced Networking with Mgmt server ol8
Total time taken: 55790 seconds
Marvin logs: https://github.com/blueorangutan/acs-prs/releases/download/trillian/pr12332-t15138-kvm-ol8.zip
Smoke tests completed. 147 look OK, 2 have errors, 0 did not run
Only failed and skipped tests results shown below:

Test	Result	Time (s)	Test File
test_03_deploy_and_scale_kubernetes_cluster	Failure	31.98	test_kubernetes_clusters.py
test_02_ssl_offloading_project_vpc	Failure	288.60	test_ssl_offloading.py