Created
December 10, 2020 10:12
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kubectl + jq
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| # Getting the list of nodes and their memory size | |
| kubectl get nodes -o json | \ | |
| jq -r '.items | sort_by(.status.capacity.memory)[] | [.metadata.name,.status.capacity.memory] | @tsv' | |
| # Getting the list of nodes and the number of pods running on them | |
| kubectl get pods -o json --all-namespaces | \ | |
| jq '.items | group_by(.spec.nodeName) | map({"nodeName": .[0].spec.nodeName, "count": length}) | sort_by(.count)' |
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