Antonio Ojea 599597ca65 fix race on ServiceCIDR deletion ...

When a ServiceCIDR is deleted, the service CIDR controller on the
controller manager verifies that is safe to be deleted before removing
the finalizer, howerver, since the information of deletion takes time to
propragate, there can be a race where the apiserver allocators didn't
receive the information of deletion and assign an IP address that will
be orphan.

To avoid this race, the service cidr controller waits a grace period
before removing the finalizer to ensure the allocators do not assign any
new IP Address from that range before is completely deleted.

Change-Id: Ib34d32c0bdde91c6e84f1d056db9374589b25c0b

2023-10-31 21:05:06 +00:00

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servicecidrs_controller_test.go

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servicecidrs_controller.go

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