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…backends are available Signed-off-by: kkk777-7 <kota.kimura0725@gmail.com>
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Signed-off-by: kkk777-7 <kota.kimura0725@gmail.com>
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #10180 +/- ##
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+ Coverage 81.48% 81.50% +0.01%
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Files 266 266
Lines 41390 41399 +9
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+ Hits 33728 33742 +14
+ Misses 7661 7656 -5
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What this PR does / why we need it:
When an HTTPRoute/GRPCRoute rule has multiple backendRefs and some of them have no ready endpoints, their share of traffic is currently sent to
invalid-backend-clusterand returns 503, even though healthy backends exist in the same rule.This PR drops backendRefs without ready endpoints from the rule's destination when at least one other backendRef is available, so the remaining backends receive all the traffic per their relative weights.
BackendsAvailable=False(EndpointsNotFound) condition is still reported.invalid-backend-cluster(503), rule split into per-backend weighted clustersinvalid-backend-cluster(503)invalid-backend-cluster(500)Also, GRPCRoute now marks destinations with processing errors as invalid, as HTTPRoute already does.
Which issue(s) this PR fixes:
Fixes #8031
PR Checklist
git commit -s). See DCO: Sign your work./api), the API was discussed and agreed before the implementation. The API change can be in a separate PR, or in the same PR, but the API must be agreed before implementation. N/A if this PR does not contain API changes.make generate gen-check,make lint, and the unit-test/coverage build pass. (Flaky e2e failures are not considered breakages, butgen-check,lint, and coverage MUST pass.)release-notes/current/<section>/<pr-number>-<slug>.md(seerelease-notes/current/README.mdfor sections and naming). N/A if this PR does not contain non-trivial changes.make gen-checkand committed the result if API/helm charts/modules changed.release-notes/current/breaking_changes/.