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Isolate Spring polling caches per getter to prevent cross-cluster results - #4981

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copilot/scope-spring-polling-caches
Nov 5, 2026
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Isolate Spring polling caches per getter to prevent cross-cluster results#4981
kubernetes-prow[bot] merged 2 commits into
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copilot/scope-spring-polling-caches

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Copilot AI commented Nov 3, 2026 •
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Both polling getters shared static caches keyed only by namespace/name, allowing one cluster’s ConfigMaps or Endpoints to be returned for another client.

  • Cache isolation: Make both caches instance-scoped, preserving public APIs and the five-minute expiry without changing refresh cadence.
  • Regression coverage: Use distinct clients and servers with identical resource names to verify independent results and cache reuse within each getter.

@kubernetes-prow kubernetes-prow Bot added the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Nov 3, 2026
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linux-foundation-easycla Bot commented Nov 3, 2026 •
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@kubernetes-prow kubernetes-prow Bot added the cncf-cla: no Indicates the PR's author has not signed the CNCF CLA. label Nov 3, 2026
Copilot AI linked an issue Nov 3, 2026 that may be closed by this pull request
Scope Spring polling caches to the ApiClient to prevent cross-cluster results #4974
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@kubernetes-prow kubernetes-prow Bot added the size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. label Nov 3, 2026
@kubernetes-prow kubernetes-prow Bot added size/L Denotes a PR that changes 100-499 lines, ignoring generated files. and removed size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. labels Nov 3, 2026
Copilot AI changed the title [WIP] Scope Spring polling caches to the ApiClient to prevent cross-cluster results Isolate Spring polling caches per getter to prevent cross-cluster results Nov 3, 2026
Copilot AI requested a review from brendandburns November 3, 2026 19:56
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brendandburns marked this pull request as ready for review November 3, 2026 20:00
@kubernetes-prow kubernetes-prow Bot removed the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Nov 3, 2026
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kubernetes-prow Bot requested a review from yue9944882 November 3, 2026 20:00
@brendandburns
brendandburns force-pushed the copilot/scope-spring-polling-caches branch from 7213405 to 30cfc5c Compare November 4, 2026 18:52
@kubernetes-prow kubernetes-prow Bot added cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. and removed cncf-cla: no Indicates the PR's author has not signed the CNCF CLA. labels Nov 4, 2026
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brendandburns commented Nov 5, 2026

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/lgtm
/approve

@kubernetes-prow kubernetes-prow Bot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Nov 5, 2026
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: brendandburns, Copilot

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@kubernetes-prow kubernetes-prow Bot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Nov 5, 2026
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kubernetes-prow Bot merged commit 9f49d80 into master Nov 5, 2026
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Scope Spring polling caches to the ApiClient to prevent cross-cluster results

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