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Fix conflicted cache when the requests are canceled by other Azure operations #81282
What type of PR is this?
What this PR does / why we need it:
When a new requests are sending to an Azure resource, the ongoing requests may be canceled with error:
In such case, the resource has already been changed by other requests. So this PR invalidates the cache and then abort the backoff retry. In next controller loop run, cloud provider would GET a new resource from Azure API, and then try updating again.
Which issue(s) this PR fixes:
Special notes for your reviewer: Need cherry pick to v1.15.
Does this PR introduce a user-facing change?:
Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:
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