This PR basically removes a bunch of not needed calls to fetch functions. This has two effects:
It makes the code much clearer since we know that we maintain proper state in-memory and on-disk, with no need to fetch from the disk every time we want the state of a pod or a container
It improves performance on the host by limiting the accesses to the filesystem.
This PR basically removes a bunch of not needed calls to fetch functions. This has two effects: