Feature s390x multiarch support

[viddya673]

Description

This PR adds multi-architecture support for IBM Z (s390x) to Apache CloudStack. The updates enable key CloudStack components to be built and run on both x86_64 (Intel/AMD) and s390x.

The implementation has been tested using s390x KVM hosts with full cross-architecture interoperability: x86_64 Management Server <=> s390x Agent

Compatibility and functionality have been validated across the following distributions: • RHEL • SLES • Ubuntu

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)
• [x] 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
• [x] 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?

[boring-cyborg[bot]]

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[codecov[bot]]

Codecov Report

:x: Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review. :white_check_mark: Project coverage is 17.46%. Comparing base (3c64847) to head (1dcf314). :warning: Report is 29 commits behind head on main.

Files with missing lines	Patch %	Lines
...om/cloud/hypervisor/kvm/resource/LibvirtVMDef.java	50.00%	0 Missing and 1 partial :warning:

Additional details and impacted files

@@             Coverage Diff              @@
##              main   #12214       +/-   ##
============================================
+ Coverage     3.58%   17.46%   +13.88%     
- Complexity       0    15528    +15528     
============================================
  Files          445     5913     +5468     
  Lines        37552   529410   +491858     
  Branches      6914    64685    +57771     
============================================
+ Hits          1347    92475    +91128     
- Misses       36039   426513   +390474     
- Partials       166    10422    +10256     

Flag	Coverage Δ
uitests	3.58% <ø> (-0.01%)	:arrow_down:
unittests	18.52% <75.00%> (?)

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[sureshanaparti]

@blueorangutan package

[blueorangutan]

@sureshanaparti 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 15974

[rohityadavcloud]

LGTM, great to see support for a new architecture @viddya673

[DaanHoogland]

@blueorangutan test

[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-15025) Environment: kvm-ol8 (x2), zone: Advanced Networking with Mgmt server ol8 Total time taken: 47541 seconds Marvin logs: https://github.com/blueorangutan/acs-prs/releases/download/trillian/pr12214-t15025-kvm-ol8.zip Smoke tests completed. 149 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_browser_migrate_template	Error	65.64	test_image_store_object_migration.py

[boring-cyborg[bot]]

Awesome work, congrats on your first merged pull request!

[DaanHoogland]

@viddya673, will you be maintaining a regression suite on a s390 to make sure no regression creeps in from other code?

[niyamsw]

Yes — we’re working on adding GitHub Actions CI for s390x, now that it’s supported. This is currently a work in progress.