[K8SPS-127] Automated storage scaling - track storage size

[spron-in]

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Tell us about the feature

We have a plan to automate storage resizing already within the Operator.

But we can also take it to another level, where we detect if the storage usage on the PVC reaches certain threshold and we trigger the resize.

 

If there are tools that already track the storage size, it might be easier for us to integrate with them.

Link to JIRA