Fixed pod's cpu & mem resource setters helpers. #608
Merged
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The original implementation was overwriting any req/limit that was previosly set for the other resources. For instance, test cases doing this didn't work properly:
The call to pod.RedefineWithMemoryResources() was zero-ing the cpu req/limits that was just set before ("1", "1") as it was creating a new empty container.Resources field (corev1.ResourceRequirements{}).
The new implementations don't overwrite other reqs/limits values, they just set/overwrite the corresponding ones (cpu/mem).
The affected test cases were passing until now because a bug in the cert suite code in the function AreCPUResourcesWholeUnits() that was wrongly returning "true" when the cpu reqs/limit were not set. It was fixed here:
redhat-best-practices-for-k8s/certsuite#1631