[metrics] Fix panic during metrics manager startup #11
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This fixes a regression introduced in kubernetes-sigs#1876 where the driver would start panicking on startup if
--http-endpoint
was specified. This was caused by the metrics not being initialized anymore during startup. The proposed fix involves using theReset
methods of the metrics object instead of trying to redefine them each time they need to be reset.Fix is open upstream kubernetes-sigs#1895 but let's fix it here first