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test(integration): add v2 volume test in test_zone.py #2309

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merged 2 commits into from
Feb 17, 2025

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chriscchien
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@chriscchien chriscchien commented Feb 6, 2025

Which issue(s) this PR fixes:

Issue longhorn/longhorn#9760

What this PR does / why we need it:

Add v2 volume test in test_zone.py

Special notes for your reviewer:

N/A

Additional documentation or context

N/A

Summary by CodeRabbit

Summary by CodeRabbit

  • Tests
    • Enhanced test coverage for volume management to verify replica balancing and resource allocation under diverse scenarios.
    • Added new test functions to assess various volume replica behaviors with the integration of a new data management parameter.
    • Updated testing procedures for volume creation to align with improved data handling requirements, ensuring greater reliability across different conditions.

@chriscchien chriscchien self-assigned this Feb 6, 2025
@chriscchien chriscchien requested a review from a team as a code owner February 6, 2025 11:42
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coderabbitai bot commented Feb 6, 2025

Walkthrough

This pull request updates the integration test suite for zone-based volume replica management. It adds several new test functions that check various auto-balancing scenarios and updates existing tests to include a new dataEngine parameter in the volume creation process. The modifications include adding the DATA_ENGINE import, updating the create_volume method signature, and ensuring that the new parameter is passed in multiple test cases covering diverse scheduling and data locality conditions.

Changes

File Change Summary
manager/integration/tests/test_zone.py - Added DATA_ENGINE import.
- Added new test functions marked with @pytest.mark.v2_volume_test for various replica auto-balancing scenarios.
- Updated create_volume calls and signatures to include dataEngine=DATA_ENGINE.

Sequence Diagram(s)

sequenceDiagram
    participant T as Test Function
    participant V as create_volume
    participant R as Replica Manager

    T->>V: Call create_volume(name, numberOfReplicas, dataEngine=DATA_ENGINE)
    V->>R: Request volume creation with dataEngine parameter
    R-->>V: Return volume creation response
    V-->>T: Provide volume information
    T->>T: Assert zone replica auto-balancing conditions
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Possibly related PRs

Suggested reviewers

  • yangchiu

Poem

Hello there, I'm a hopping bunny,
Testing volumes sunny and funny.
DataEngine now joins the fun,
Balancing replicas one by one.
Code flows smooth like a gentle run,
Hoppy changes make our tests second to none!
🐰✨


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Reviewing files that changed from the base of the PR and between 7711bbd and 44ccfa4.

📒 Files selected for processing (1)
  • manager/integration/tests/test_zone.py (15 hunks)
⏰ Context from checks skipped due to timeout of 90000ms (2)
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  • GitHub Check: Summary
🔇 Additional comments (11)
manager/integration/tests/test_zone.py (11)

49-49: LGTM! Import added for v2 volume support.

The addition of DATA_ENGINE import is necessary for supporting v2 volume tests.


131-131: LGTM! Test functions properly marked for v2 volume testing.

All new test functions are correctly marked with @pytest.mark.v2_volume_test decorator, which aligns with the PR objective of adding v2 volume tests.

Also applies to: 243-243, 310-310, 432-432, 553-553, 657-657, 765-765, 879-879, 1036-1036, 1309-1309


602-603: LGTM! Volume creation calls updated with dataEngine parameter.

The volume creation calls have been consistently updated to include the dataEngine parameter, which is required for v2 volume support.

Also applies to: 710-711, 817-820, 1362-1364


310-430: LGTM! Comprehensive test for zone-based replica auto-balancing with least-effort.

The test thoroughly validates the replica auto-balancing behavior:

  1. Initial state: 6 replicas in zone-1
  2. After enabling node-2: Replicas distributed between zone-1 and zone-2
  3. After enabling node-3: Replicas distributed across all zones

432-551: LGTM! Comprehensive test for zone-based replica auto-balancing with best-effort.

The test thoroughly validates the replica auto-balancing behavior with best-effort:

  1. Initial state: 6 replicas in zone-1
  2. After enabling node-2: Equal distribution (3 replicas each) between zone-1 and zone-2
  3. After enabling node-3: Equal distribution (2 replicas each) across all zones

553-654: LGTM! Test for replica auto-balancing with disabled disk scheduling.

The test effectively validates that replicas remain properly balanced when disk scheduling is disabled on a node in a zone.

🧰 Tools
🪛 Ruff (0.8.2)

640-640: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


657-763: LGTM! Test for replica auto-balancing with no storage available.

The test effectively validates that replicas remain properly balanced when there is no storage available in a zone.

🧰 Tools
🪛 Ruff (0.8.2)

748-748: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


765-878: LGTM! Test for replica auto-balancing with unschedulable node.

The test effectively validates that replicas remain properly balanced when a node becomes unschedulable.

🧰 Tools
🪛 Ruff (0.8.2)

870-870: Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling

(B904)


879-1034: LGTM! Test for replica auto-balancing with data locality.

The test thoroughly validates that replica auto-balancing respects data locality settings and maintains pod local replicas.


1036-1134: LGTM! Test for replica auto-balancing with node duplicates.

The test effectively validates that replicas are properly balanced when nodes have duplicated replicas in multiple zones.


1309-1386: LGTM! Test for node selector respect during replica auto-balancing.

The test thoroughly validates that replica auto-balancing respects node selector constraints.

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@derekbit derekbit left a comment

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LGTM

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@roger-ryao roger-ryao left a comment

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LGTM

ref longhorn/longhorn-9760

Signed-off-by: Chris Chien <chris.chien@suse.com>
@yangchiu yangchiu merged commit faed93b into longhorn:master Feb 17, 2025
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@mergify backport v1.8.x

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mergify bot commented Feb 17, 2025

backport v1.8.x

✅ Backports have been created

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4 participants