New config key "allow.import.volume.with.backing.file" to skip volume backing

[sudo87]

Description

This PR introduces a new configkey "allow.import.volume.with.backing.file" with default value: false. Set to 'true' to skip checking volume backing while importing.

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?

[sudo87]

@blueorangutan package

[blueorangutan]

@sudo87 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 11.11111% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 17.60%. Comparing base (5caf6cd) to head (a9c3332).
⚠️ Report is 22 commits behind head on 4.22.

Files with missing lines	Patch %	Lines
...torage/volume/VolumeImportUnmanageManagerImpl.java	0.00%	6 Missing and 1 partial ⚠️
.../apache/cloudstack/vm/UnmanagedVMsManagerImpl.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               4.22   #12809      +/-   ##
============================================
- Coverage     17.60%   17.60%   -0.01%     
+ Complexity    15659    15657       -2     
============================================
  Files          5917     5917              
  Lines        531394   531422      +28     
  Branches      64970    64973       +3     
============================================
+ Hits          93575    93576       +1     
- Misses       427269   427289      +20     
- Partials      10550    10557       +7     

Flag	Coverage Δ
uitests	3.70% <ø> (-0.01%)	⬇️
unittests	18.68% <11.11%> (-0.01%)	⬇️

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[blueorangutan]

Packaging result [SF]: ✔️ el8 ✔️ el9 ✔️ el10 ✔️ debian ✔️ suse15. SL-JID 17128

[rajujith]

LGTM.
Tested.

[weizhouapache]

code lgtm

[DaanHoogland]

@blueorangutan package

[blueorangutan]

@DaanHoogland 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 ✔️ el10 ✔️ debian ✔️ suse15. SL-JID 17154

[DaanHoogland]

@blueorangutan test

[blueorangutan]

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