Fix primary storage maintenance on xcpng

[abh1sar]

Description

Enable maintenance mode is erroring out on XCP-ng

2026-02-24 04:44:49,881 ERROR [c.c.s.StoragePoolAutomationImpl] (API-Job-Executor-7:[ctx-b02dbbf9, job-515, ctx-8a343d55]) (logid:4e4cc86b) Exception in enabling primary storage maintenance: java.lang.ClassCastException: class com.cloud.agent.api.Answer cannot be cast to class com.cloud.agent.api.ModifyStoragePoolAnswer (com.cloud.agent.api.Answer and com.cloud.agent.api.ModifyStoragePoolAnswer are in unnamed module of loader 'app')
        at com.cloud.storage.StoragePoolAutomationImpl.removeHeartbeatForHostsFromPool(StoragePoolAutomationImpl.java:255)
        at com.cloud.storage.StoragePoolAutomationImpl.maintain(StoragePoolAutomationImpl.java:86)
        at org.apache.cloudstack.storage.datastore.lifecycle.CloudStackPrimaryDataStoreLifeCycleImpl.maintain(CloudStackPrimaryDataStoreLifeCycleImpl.java:444)

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?

1. Add a NFS primary storage
2. Put it in maintenance (Throws error without the fix)
3. Delete the primary storage

How did you try to break this feature and the system with this change?

[codecov]

Codecov Report

❌ Patch coverage is 37.50000% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 16.25%. Comparing base (c748b69) to head (c52ee41).

Files with missing lines	Patch %	Lines
...xenbase/CitrixModifyStoragePoolCommandWrapper.java	16.66%	5 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               4.20   #12694      +/-   ##
============================================
- Coverage     16.25%   16.25%   -0.01%     
  Complexity    13425    13425              
============================================
  Files          5662     5662              
  Lines        500155   500157       +2     
  Branches      60738    60738              
============================================
- Hits          81319    81313       -6     
- Misses       409749   409759      +10     
+ Partials       9087     9085       -2     

Flag	Coverage Δ
uitests	4.15% <ø> (ø)
unittests	17.11% <37.50%> (-0.01%)	⬇️

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[abh1sar]

@blueorangutan package

[blueorangutan]

@abh1sar 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.

[DaanHoogland]

clgtm

[blueorangutan]

Packaging result [SF]: ✔️ el8 ✔️ el9 ✔️ el10 ✔️ debian ✔️ suse15. SL-JID 16924

[DaanHoogland]

@blueorangutan test ol9 xcpng84

[blueorangutan]

@DaanHoogland [SL] unsupported parameters provided. Supported mgmt server os are: suse15, alma10, ol10, rocky10, alma9, centos7, centos6, rocky9, alma8, ubuntu18, ol9, ol8, ubuntu22, debian12, ubuntu20, rocky8, ubuntu24. Supported hypervisors are: kvm-centos6, kvm-centos7, kvm-rocky8, kvm-rocky9, kvm-rocky10, kvm-ol8, kvm-ol9, kvm-ol10, kvm-alma8, kvm-alma9, kvm-alma10, kvm-ubuntu18, kvm-ubuntu20, kvm-ubuntu22, kvm-ubuntu24, kvm-debian12, kvm-suse15, vmware-55u3, vmware-60u2, vmware-65u2, vmware-67u3, vmware-70u1, vmware-70u2, vmware-70u3, vmware-80, vmware-80u1, vmware-80u2, vmware-80u3, vmware-80u3e, xenserver-65sp1, xenserver-71, xenserver-74, xenserver-84, xcpng74, xcpng76, xcpng80, xcpng81, xcpng82, xcpng83

[DaanHoogland]

@blueorangutan test ol9 xcpng83

[blueorangutan]

@DaanHoogland a [SL] Trillian-Jenkins test job (ol9 mgmt + xcpng83) has been kicked to run smoke tests