api,server,kvm: get total physical size for qcow2

[shwstppr]

Description

Related #12734

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?

[codecov]

Codecov Report

❌ Patch coverage is 0% with 83 lines in your changes missing coverage. Please review.
✅ Project coverage is 17.60%. Comparing base (e93ae1a) to head (3fb4bff).

Files with missing lines	Patch %	Lines
...e/wrapper/LibvirtGetVolumeStatsCommandWrapper.java	0.00%	43 Missing ⚠️
...java/org/apache/cloudstack/utils/qemu/QemuImg.java	0.00%	14 Missing ⚠️
...ain/java/com/cloud/agent/api/VolumeStatsEntry.java	0.00%	13 Missing ⚠️
...n/java/com/cloud/storage/VolumeApiServiceImpl.java	0.00%	13 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               4.22   #12873      +/-   ##
============================================
- Coverage     17.61%   17.60%   -0.01%     
- Complexity    15661    15662       +1     
============================================
  Files          5917     5917              
  Lines        531430   531511      +81     
  Branches      64973    64985      +12     
============================================
+ Hits          93586    93589       +3     
- Misses       427288   427366      +78     
  Partials      10556    10556              

Flag	Coverage Δ
uitests	3.70% <ø> (ø)
unittests	18.67% <0.00%> (-0.01%)	⬇️

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