fix: update rather than replace existing cache entry #1686
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What type of PR is this?
/kind bug
What this PR does / why we need it:
related to fix: kubernetes-sigs/cloud-provider-azure#3084
Since
TimedCacherelies on a per-entrysync.Mutexto serialize calls to the refresh function,TimedCache.Updatemust update the existing entry rather than replace it to ensure proper synchronization. Otherwise, it is possible for multiple concurrent calls to the refresh function to occurr.Which issue(s) this PR fixes:
Fixes #
Special notes for your reviewer:
Does this PR introduce a user-facing change?
Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.: