Moshe Levi e7256e08d3 kubelet dra: add checkpointing mechanism in the DRA Manager ...

The checkpointing mechanism will repopulate DRA Manager in-memory cache on kubelet restart.
This will ensure that the information needed by the PodResources API is available across
a kubelet restart.

The ClaimInfoState struct represent the DRA Manager in-memory cache state in checkpoint.
It is embedd in the ClaimInfo which also include the annotation field. The separation between
the in-memory cache and the cache state in the checkpoint is so we won't be tied to the in-memory
cache struct which may change in the future. In the ClaimInfoState we save the minimal required fields
to restore the in-memory cache.

Signed-off-by: Moshe Levi <moshele@nvidia.com>

2023-03-10 12:22:15 +02:00

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