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VM start error handling improvements and config to expose error to users#12894

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sureshanaparti wants to merge 2 commits intoapache:4.22from
shapeblue:vm-start-error-handling-improvements
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VM start error handling improvements and config to expose error to users#12894
sureshanaparti wants to merge 2 commits intoapache:4.22from
shapeblue:vm-start-error-handling-improvements

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@sureshanaparti sureshanaparti commented Mar 26, 2026

Description

This PR improves the VM start error handling and reports the error to admins. It introduces new config 'expose.errors.to.user' (default: false), the errors are reported to the users when the config is set to true.

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?

@sureshanaparti sureshanaparti added this to the 4.22.1 milestone Mar 26, 2026
@sureshanaparti sureshanaparti moved this from Todo to In Progress in Apache CloudStack 4.22.1 Mar 26, 2026
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sureshanaparti commented Mar 26, 2026

@blueorangutan package

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blueorangutan commented Mar 26, 2026

@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.

@sureshanaparti sureshanaparti requested a review from nvazquez March 26, 2026 08:17
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codecov bot commented Mar 26, 2026 •
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Codecov Report

❌ Patch coverage is 10.81081% with 33 lines in your changes missing coverage. Please review.
✅ Project coverage is 17.60%. Comparing base (d6c3977) to head (d7f1bd3).

Files with missing lines Patch % Lines
...n/java/com/cloud/vm/VirtualMachineManagerImpl.java 8.33% 33 Missing ⚠️
Additional details and impacted files 
@@             Coverage Diff              @@
##               4.22   #12894      +/-   ##
============================================
- Coverage     17.60%   17.60%   -0.01%     
+ Complexity    15666    15661       -5     
============================================
  Files          5917     5917              
  Lines        531527   531556      +29     
  Branches      64982    64986       +4     
============================================
- Hits          93584    93554      -30     
- Misses       427389   427447      +58     
- Partials      10554    10555       +1
Flag Coverage Δ
uitests 3.70% <ø> (ø)
unittests 18.67% <10.81%> (-0.01%) ⬇️

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blueorangutan commented Mar 26, 2026

Packaging result [SF]: ✔️ el8 ✔️ el9 ✔️ el10 ✔️ debian ✔️ suse15. SL-JID 17250

kiranchavala
kiranchavala approved these changes Mar 26, 2026
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LGTM

Before fix

When a user tries to start a vm , only the following exception is

Image

After fix

Enable the global setting "expose.errors.to.user"

Image

start a vm

Image

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kiranchavala commented Mar 26, 2026

@blueorangutan test

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blueorangutan commented Mar 26, 2026

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

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@kiranchavala kiranchavala kiranchavala approved these changes

@nvazquez nvazquez Awaiting requested review from nvazquez

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component:compute component:orchestration

Projects

Apache CloudStack 4.22.1
Status: In Progress

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4.22.1

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3 participants

@sureshanaparti @blueorangutan @kiranchavala