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Aleksei Sviridkin
54695fc83b
Hierarchical quota admission subtracts the parent pool's current usage
from what a child tenant may still claim, and reads that usage from
ResourceQuota.status.used. It looked every non-raw key up under
limits.<key>, but the ResourceQuota pod evaluator reports usage under
limits.* only for cpu, memory and ephemeral-storage. Extended resources
and hugepages are counted under requests.* alone, so their usage always
read as zero and a child could be granted budget the parent pool had
already consumed.
Read usage from requests.<key> for every resource the evaluator counts
only on the request side. flatten applies no allocation ratio there, so
that key holds the declared amount just as limits.<key> does for cpu,
memory and ephemeral-storage.
Fixes: e3f09bab1b ("fix(apiserver): subtract parent pool usage in hierarchical tenant quota admission")
Assisted-by: LLM
Signed-off-by: Aleksei Sviridkin <f@lex.la>