Add STP for CNV-68270: OVN-K MTU defaults#43
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Add Software Test Plan (STP) and test stubs (STD) for CNV-68270: Document Better MTU Defaults for OVN Kubernetes (Closed Loop). Covers 16 test scenarios (7 Tier 1 functional, 9 Tier 2 end-to-end) validating corrected MTU documentation values for layer 2 overlay (MTU 1400) and localnet (MTU 1500) OVN-Kubernetes secondary networks. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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WalkthroughThis pull request introduces a new test module with stub test classes for OVN MTU defaults validation and an accompanying test plan document. The module defines test cases across eight categories (Layer 2 overlay, Localnet, CNO defaults, backward compatibility, PMTUD, documentation, multi-VM, and cross-version scenarios) with detailed docstrings but no implementation logic. Changes
Estimated code review effort🎯 2 (Simple) | ⏱️ ~10 minutes 🚥 Pre-merge checks | ✅ 3✅ Passed checks (3 passed)
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🧹 Nitpick comments (1)
stds/sig-network/test_ovn_mtu_defaults.py (1)
123-123: Class name includes "MTU1300" which is inconsistent with other class names.Most test classes follow the pattern
Test<Feature>MTU<Value>(e.g.,TestLayer2OverlayMTU1400,TestLocalnetMTU1500), but this class is namedTestBackwardCompatibilityMTU1300while the STP document and AI summary reference it asTestBackwardCompatibilityMTU. Consider renaming toTestBackwardCompatibilityMTUfor consistency with the STP document, since the "1300" value is already clear from the test method name and docstring.♻️ Optional: Rename class for consistency with STP
-class TestBackwardCompatibilityMTU1300: +class TestBackwardCompatibilityMTU: """End-to-end backward compatibility tests with old MTU 1300 value.🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@stds/sig-network/test_ovn_mtu_defaults.py` at line 123, Rename the test class TestBackwardCompatibilityMTU1300 to TestBackwardCompatibilityMTU to match the project's test-class naming convention; update the class declaration (class TestBackwardCompatibilityMTU1300 -> class TestBackwardCompatibilityMTU) and any references to that class (e.g., in test discovery or imports) while leaving the test method names and docstring (which already specify the 1300 value) unchanged.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Nitpick comments:
In `@stds/sig-network/test_ovn_mtu_defaults.py`:
- Line 123: Rename the test class TestBackwardCompatibilityMTU1300 to
TestBackwardCompatibilityMTU to match the project's test-class naming
convention; update the class declaration (class TestBackwardCompatibilityMTU1300
-> class TestBackwardCompatibilityMTU) and any references to that class (e.g.,
in test discovery or imports) while leaving the test method names and docstring
(which already specify the 1300 value) unchanged.
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Summary
Test plan
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