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[Storage] Implement concurrent CBT backups as backup-success tests. - #6606
openshift-virtualization-qe-bot-5 merged 12 commits into
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Five VMs take a simultaneous mix of full and incremental backups in push and pull mode, covering the remaining concurrent backup scenarios. Signed-off-by: Dalia Frank <dafrank@redhat.com> Co-authored-by: Cursor <cursoragent@cursor.com>
Walkthrough
Merge Risk:
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| Check name | Status | Explanation | Resolution |
|---|---|---|---|
| Stp Scenario Coverage |  |
HIGH: The new concurrent push and pull tests align with the CBT concurrent-backup scenario. The module retains the valid STP link at tests/storage/cbt/test_cbt.py:4, and the new tests validate five … |
Add declarations and implementations for every listed missing or misaligned scenario: CBT enable/disable, forced full after an existing checkpoint, pull client-certificate rejection, restart/crash/corrupted-bitmap recovery, hotplug full the… |
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Check name Status Explanation Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request. Pr Template Sections All required PR template sections are present. The What this PR does / why we need it:section contains meaningful content describing concurrent full and incremental backups in push and pull mode. T…New Test Traceability PASS. The PR adds two product test methods: test_concurrent_backups_push_modeandtest_concurrent_backups_pull_modeintests/storage/cbt/test_cbt.py. Each method's own docstring contains the exa…Manual Std Lifecycle PASS: The two modified concurrent test methods are automated. They have no @pytest.mark.manualand no effective__test__ = Falseat method or class level (tests/storage/cbt/test_cbt.py:621-707).…Utilities Unit Test Coverage PASS: The pull request changes only files under tests/storage/cbt/. It does not change any utilities/**/*.py file, so this utilities unit-test coverage check does not apply. No warning-level finding i… Title check The title is 67 characters and clearly describes the implementation of concurrent CBT backup-success tests. It matches the main changeset and is under the 120-character limit. Full details: Pr Template Sections
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Explanation
All required PR template sections are present. The
What this PR does / why we need it:section contains meaningful content describing concurrent full and incremental backups in push and pull mode. The issue, reviewer notes, and Jira sections are also present.
Full details: New Test Traceability
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Explanation
PASS. The PR adds two product test methods:
test_concurrent_backups_push_modeandtest_concurrent_backups_pull_modeintests/storage/cbt/test_cbt.py. Each method's own docstring contains the exact STP URL at lines 639 and 678. The linked STP exists and defines the concurrent backup scenario atstps/sig-storage/cbt.mdlines 74 and 176 (commitd637a84eb505b59b87e00159a59476fa6c34d4d9). No Jira fallback is used, so no Jira skip marker is required.
Full details: Manual Std Lifecycle
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Explanation
PASS: The two modified concurrent test methods are automated. They have no
@pytest.mark.manualand no effective__test__ = Falseat method or class level (tests/storage/cbt/test_cbt.py:621-707). The class-level suppression and manual markers were removed with the placeholder methods. No unchanged placeholder sibling remains inTestConcurrentBackups; both prior placeholders were replaced by automated tests.
Full details: Utilities Unit Test Coverage
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Explanation
PASS: The pull request changes only files under tests/storage/cbt/. It does not change any utilities/**/*.py file, so this utilities unit-test coverage check does not apply. No warning-level finding is required.
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Full details: Stp Scenario Coverage
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Explanation
HIGH: The new concurrent push and pull tests align with the CBT concurrent-backup scenario. The module retains the valid STP link at
tests/storage/cbt/test_cbt.py:4, and the new tests validate five backups, boot-disk inclusion, and three Incremental plus two Full backup types at:621-707. The PR does not address the other valid CBT STP scenarios. The linked STP isRedHatQE/openshift-virtualization-tests-design-docs@d637a84eb505b59b87e00159a59476fa6c34d4d9,stps/sig-storage/cbt.md:160-181. | Scenario summary | STP tier/priority | Status | |---|---|---| | Enable and disable CBT | T1/P0 | Missing | | Forced full after an existing checkpoint | T1/P1 | Missing | | Pull-mode client-certificate enforcement | T1/P1 | Missing | | Recovery after restart, crash, or corrupted bitmap | T2/P2 | Missing | | Hotplugged disk full then incremental backup | T2/P2 | Misaligned;TestHotplugBackupremains a non-collected manual placeholder with restore-only steps attests/storage/cbt/test_cbt.py:499-561| | Incremental backup after migration on both RWO and RWX | T2/P2 | Misaligned;TestBackupAfterLiveMigrationis restricted to RWX at:406-414| | Migration preserves checkpoints on both RWO and RWX | T2/P2 | Misaligned; the migration tests do not assert checkpoint preservation and cover only RWX | | Backup and migration mutual exclusion | T1/P2 | Missing | The diff changes the concurrent test class and its imports only. It does not add declarations or implementations for these scenarios. The description links CNV-95473 for restore coverage, but it does not provide scenario-specific exclusions and follow-up Jira links for these gaps.Resolution
Add declarations and implementations for every listed missing or misaligned scenario: CBT enable/disable, forced full after an existing checkpoint, pull client-certificate rejection, restart/crash/corrupted-bitmap recovery, hotplug full then incremental backup, migration coverage for both RWO and RWX with checkpoint-preservation assertions, and backup/migration mutual exclusion. Alternatively, document each intentional exclusion in the PR description with a scenario-specific follow-up Jira link. CNV-95473 alone does not justify these exclusions.
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Review comments at @tests/storage/cbt/test_cbt.py:
- Around line 618-620: Update the tier marker on TestConcurrentBackups from
tier3 to tier2 so marker-based test selection matches the STP classification.
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📚 Learning: 2026-02-23T16:31:34.505Z
Learnt from: vsibirsk
Repo: RedHatQE/openshift-virtualization-tests PR: 3883
File: utilities/unittests/test_os_utils.py:333-425
Timestamp: 2026-02-23T16:31:34.505Z
Learning: In integration/functional tests located under the tests/ directory, require assertion failure messages using the pattern: assert condition, "descriptive message". For unit tests under utilities/unittests/, rely on pytest's assertion introspection and descriptive test names; explicit failure messages are not required. This guidance helps maintain clear diagnostics for integration tests while keeping unit tests concise and leveraging pytest's built-in introspection.
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🔀 Multi-repo context RedHatQE/openshift-virtualization-tests-design-docs
Linked repositories findings
RedHatQE/openshift-virtualization-tests-design-docs
- The repository does not contain
tests/storage/cbt; therefore, no external consumers of the new CBT test helpers/constants were found there. - The CBT STP explicitly requires concurrent backups across different VMs, including a mix of full and incremental backups, with all completing successfully without errors or corruption.
[::RedHatQE/openshift-virtualization-tests-design-docs::]stps/sig-storage/cbt.md:74,176 - The STP identifies this as a Tier 2, P1 scenario.
[::RedHatQE/openshift-virtualization-tests-design-docs::]stps/sig-storage/cbt.md:176
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tests/storage/cbt/constants.py: 1
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671-702: LGTM!
720-753: LGTM!tests/storage/cbt/conftest.py: 1
672-721: LGTM!tests/storage/cbt/test_cbt.py: 1
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/lgtm |
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@dalia-frank Can you update the PR title adding [Storage] as we usually do? |
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@coderabbitai any other fix needed on your side? |
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These items still need attention:
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/retest build-container |
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/approve |
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@coderabbitai are you happy with the changes? Can approve? |
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The saved HIGH STP coverage blocker still needs re-evaluation against this PR’s concurrent-backup scope. Passing CI does not clear that assessment. I can submit your approval request for the workflow to check readiness. GitHub currently reports Action performed
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@coderabbitai this is the follow-up jira: https://redhat.atlassian.net/browse/CNV-95473 |
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I could not retrieve its contents, so verification is inconclusive. Please paste the relevant description or acceptance criteria so I can check which deferred scenarios it covers. The saved HIGH STP coverage assessment remains unresolved pending that check. This does not establish an additional code defect in this focused PR. I have not changed the approval state. Learnings used
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@coderabbitai is there anything else need to be done or can you approve pr |
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Tip For best results, initiate chat on the files or code changes. @dalia-frank Based on my earlier review, I have no additional code fix to request. Two items remain:
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Action performed
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/merge |
Post-Merge Actions
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New container for quay.io/openshift-cnv/openshift-virtualization-tests:latest published |
What this PR does / why we need it:
Five VMs take a simultaneous mix of full and incremental backups in push and pull mode, covering the remaining concurrent backup scenarios.
Which issue(s) this PR fixes:
Special notes for reviewer:
Restore coverage is tracked in CNV-95473, this PR only automates backup success.
https://redhat.atlassian.net/browse/CNV-95473
jira-ticket:
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