Fix style for LibvirtComputingResource variable names and its dependencies

[mlsorensen]

Description

This PR refactors variable names for LibvirtComputingResource according to new style standards. It also refactors the variables in classes that were dependent on these variable names, to try to improve consistency.

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)

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?

It compiles without missing any symbols. Let's see how smoke tests do :-)

[codecov]

Codecov Report

Merging #7991 (fde4dac) into main (84277e7) will decrease coverage by 0.90%.
The diff coverage is 8.92%.

@@             Coverage Diff              @@
##               main    #7991      +/-   ##
============================================
- Coverage     29.14%   28.25%   -0.90%     
+ Complexity    30375    29312    -1063     
============================================
  Files          5100     5100              
  Lines        358320   358320              
  Branches      52308    52308              
============================================
- Hits         104446   101246    -3200     
- Misses       239520   243052    +3532     
+ Partials      14354    14022     -332     

Flag	Coverage Δ
simulator-marvin-tests	24.02% <8.92%> (-1.12%)	⬇️
uitests	4.87% <ø> (ø)
unit-tests	14.43% <0.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
...nt/resource/consoleproxy/ConsoleProxyResource.java	0.00% <0.00%> (ø)
...ervisor/kvm/resource/LibvirtComputingResource.java	18.69% <ø> (ø)
...in/java/com/cloud/resource/ServerResourceBase.java	4.37% <9.37%> (ø)
...r/hyperv/resource/HypervDirectConnectResource.java	1.07% <14.89%> (ø)

... and 246 files with indirect coverage changes

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[GutoVeronezi]

@blueorangutan package

[DaanHoogland]

looks good, some more renaming can be done but doesn't have to be in this PR (priv => private, Nw => Network, Distro => Distribution, etc...)

[rohityadavcloud]

@blueorangutan package

[blueorangutan]

@rohityadavcloud a [SF] 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]: ✔️ el7 ✔️ el8 ✔️ el9 ✔️ debian ✔️ suse15. SL-JID 7106

[DaanHoogland]

@blueorangutan test

[blueorangutan]

@DaanHoogland a [SF] Trillian-Jenkins test job (centos7 mgmt + kvm-centos7) has been kicked to run smoke tests

[harikrishna-patnala]

Code LGTM

[blueorangutan]

[SF] Trillian test result (tid-7721)
Environment: kvm-centos7 (x2), Advanced Networking with Mgmt server 7
Total time taken: 52642 seconds
Marvin logs: https://github.com/blueorangutan/acs-prs/releases/download/trillian/pr7991-t7721-kvm-centos7.zip
Smoke tests completed. 112 look OK, 1 have errors, 0 did not run
Only failed and skipped tests results shown below:

Test	Result	Time (s)	Test File
test_01_invalid_upgrade_kubernetes_cluster	Failure	3613.20	test_kubernetes_clusters.py
test_02_upgrade_kubernetes_cluster	Failure	3616.98	test_kubernetes_clusters.py
test_03_deploy_and_scale_kubernetes_cluster	Failure	0.04	test_kubernetes_clusters.py
test_04_autoscale_kubernetes_cluster	Failure	0.03	test_kubernetes_clusters.py
test_05_basic_lifecycle_kubernetes_cluster	Failure	0.03	test_kubernetes_clusters.py
test_06_delete_kubernetes_cluster	Failure	0.03	test_kubernetes_clusters.py
test_07_deploy_kubernetes_ha_cluster	Failure	0.04	test_kubernetes_clusters.py
test_08_upgrade_kubernetes_ha_cluster	Failure	0.04	test_kubernetes_clusters.py
test_09_delete_kubernetes_ha_cluster	Failure	0.03	test_kubernetes_clusters.py
test_10_vpc_tier_kubernetes_cluster	Failure	54.81	test_kubernetes_clusters.py
test_11_test_unmanaged_cluster_lifecycle	Error	1.21	test_kubernetes_clusters.py
ContextSuite context=TestKubernetesCluster>:teardown	Error	68.66	test_kubernetes_clusters.py