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Refactor of Allocator classes #9074

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@BryanMLima BryanMLima commented May 10, 2024 •
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Description

This PR refactors some *Allocator classes, improving modularity and code legibility. This PR also made some changes to logs across these classes.

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

Feature/Enhancement Scale or Bug Severity

Feature/Enhancement Scale

  • Major
  • Minor

How Has This Been Tested?

I tested the allocation process in my personal lab, using both the RandomAllocator and FirstFitAllocator allocators. I tried some variation of tags and offerings, and everything looks good. Furthermore, I also added a lot of unit tests for the methods that I refactored.

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

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codecov bot commented May 10, 2024 •
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Codecov Report

Attention: Patch coverage is 81.14754% with 46 lines in your changes missing coverage. Please review.

Project coverage is 16.61%. Comparing base (53eb2c5) to head (821992e).
Report is 25 commits behind head on main.

Files with missing lines Patch % Lines
...gent/manager/allocator/impl/FirstFitAllocator.java 80.14% 23 Missing and 4 partials ⚠️
.../agent/manager/allocator/impl/RandomAllocator.java 89.09% 6 Missing ⚠️
...agent/manager/allocator/impl/TestingAllocator.java 0.00% 3 Missing ⚠️
...om/cloud/deploy/DeploymentPlanningManagerImpl.java 62.50% 2 Missing and 1 partial ⚠️
...in/java/com/cloud/server/ManagementServerImpl.java 0.00% 3 Missing ⚠️
.../src/main/java/com/cloud/host/dao/HostDaoImpl.java 0.00% 2 Missing ⚠️
...i/command/admin/host/FindHostsForMigrationCmd.java 0.00% 1 Missing ⚠️
...loudstack/api/command/admin/host/ListHostsCmd.java 0.00% 1 Missing ⚠️
Additional details and impacted files 
@@             Coverage Diff              @@
##               main    #9074      +/-   ##
============================================
+ Coverage     16.57%   16.61%   +0.03%     
- Complexity    14055    14106      +51     
============================================
  Files          5771     5773       +2     
  Lines        512829   512864      +35     
  Branches      62291    62252      -39     
============================================
+ Hits          85013    85205     +192     
+ Misses       418329   418187     -142     
+ Partials       9487     9472      -15
Flag Coverage Δ
uitests 3.89% <ø> (-0.02%) ⬇️
unittests 17.51% <81.14%> (+0.04%) ⬆️

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

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This pull request has merge conflicts. Dear author, please fix the conflicts and sync your branch with the base branch.

@BryanMLima BryanMLima force-pushed the refactor-allocate-to-method branch from 1ff8f4a to 42d16d9 Compare July 11, 2024 15:47
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This pull request has merge conflicts. Dear author, please fix the conflicts and sync your branch with the base branch.

@BryanMLima BryanMLima force-pushed the refactor-allocate-to-method branch from 537c10f to 952c273 Compare July 15, 2024 13:26
@BryanMLima BryanMLima changed the title Refactoring FirstFitAllocator class Refactoring Allocator classes Jul 15, 2024
@BryanMLima BryanMLima marked this pull request as ready for review July 15, 2024 13:44
@BryanMLima BryanMLima changed the title Refactoring Allocator classes Refactor of Allocator classes Jul 15, 2024
@BryanMLima BryanMLima requested review from JoaoJandre and DaanHoogland and removed request for JoaoJandre July 15, 2024 13:45
JoaoJandre
JoaoJandre approved these changes Jul 18, 2024
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LGTM, I did some basic testing, changed the allocator to FirstFit and created some VMs, the VM allocation worked fine with and without tags. However, my tests were limited, further testing would be good.

@BryanMLima BryanMLima force-pushed the refactor-allocate-to-method branch 2 times, most recently from dd1eb14 to 952c273 Compare July 24, 2024 14:28
@BryanMLima BryanMLima force-pushed the refactor-allocate-to-method branch from 952c273 to b7cc66f Compare August 23, 2024 19:11
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@blueorangutan package

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@DaanHoogland 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.

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Packaging result [SF]: ✔️ el8 ✔️ el9 ✔️ debian ✔️ suse15. SL-JID 10801

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@blueorangutan LLtest

@github-project-automation github-project-automation bot moved this from In Progress to Done in Apache CloudStack 4.21.0 Jul 9, 2025
@DaanHoogland DaanHoogland reopened this Jul 9, 2025
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@DaanHoogland 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.

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@winterhazel does the code looks good to you?

@JoaoJandre it does, but I want to test before approving.

@winterhazel , I do understand that your request for changes is honoured to satisfaction?

@sureshanaparti sureshanaparti moved this from Done to In Progress in Apache CloudStack 4.21.0 Jul 9, 2025
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Packaging result [SF]: ✔️ el8 ✔️ el9 ✔️ debian ✔️ suse15. SL-JID 14113

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@winterhazel does the code looks good to you?

@JoaoJandre it does, but I want to test before approving.

@winterhazel , I do understand that your request for changes is honoured to satisfaction?

@DaanHoogland yes

@BryanMLima BryanMLima force-pushed the refactor-allocate-to-method branch from eae724a to e9ea442 Compare July 9, 2025 14:38
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Hey @winterhazel @JoaoJandre @DaanHoogland, this should be good for testing now.

@DaanHoogland DaanHoogland dismissed winterhazel’s stale review July 13, 2025 18:28

requests for changes satisfied

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@blueorangutan package

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@DaanHoogland 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.

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Packaging result [SF]: ✔️ el8 ✔️ el9 ✔️ debian ✔️ suse15. SL-JID 14152

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@blueorangutan test

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

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[SF] Trillian test result (tid-13769)
Environment: kvm-ol8 (x2), Advanced Networking with Mgmt server ol8
Total time taken: 52846 seconds
Marvin logs: https://github.com/blueorangutan/acs-prs/releases/download/trillian/pr9074-t13769-kvm-ol8.zip
Smoke tests completed. 141 look OK, 0 have errors, 0 did not run
Only failed and skipped tests results shown below:

Test Result Time (s) Test File

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This pull request has merge conflicts. Dear author, please fix the conflicts and sync your branch with the base branch.

winterhazel
winterhazel reviewed Jul 16, 2025
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821992e 
Co-authored-by: Fabricio Duarte <fabricio.duarte.jr@gmail.com>
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This pull request has merge conflicts. Dear author, please fix the conflicts and sync your branch with the base branch.

@BryanMLima
Merge remote-tracking branch 'origin/main' into refactor-allocate-to-…
2b4ce57 
…method

# Conflicts:
#	server/src/main/java/com/cloud/agent/manager/allocator/impl/FirstFitAllocator.java
@BryanMLima
Rename UserVmDetailVO references to VMInstanceDetailVO
6b24b2e
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Reviewers

@winterhazel winterhazel winterhazel left review comments

@DaanHoogland DaanHoogland DaanHoogland approved these changes

@JoaoJandre JoaoJandre JoaoJandre approved these changes

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component:api component:build component:compute component:integration-test component:management-server component:orchestration Python Warning... Python code Ahead! status:needs-testing
Projects
Apache CloudStack 4.21.0
Status: In Progress
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4.21.0
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@BryanMLima @DaanHoogland @blueorangutan @JoaoJandre @winterhazel
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