K8s resource requests by node

k82-resource-summary.sh

# Kuberentes doesn't provide information about resource resquest in the `get` command, even in JSON mode
# This is the best I've got for getting a report of the total resource request allocation per node
kubectl describe nodes | egrep -A 4 '^Name:|^Allocated resources' | egrep '^Name:|Requests|%)'

k8s-resources.sh

#!/usr/bin/env bash
# Kuberentes doesn't provide information about resource resquest in the `get` command, even in JSON mode
# This awkness provides a CSV of resource allocation and limits for the entire cluster
kubectl describe nodes | awk '
BEGIN {
  name=""
  OFS=","
  print "Node,Namespace,Pod Name,CPU Request,CPU Request Percent,CPU Limit,CPU Limit Percent,Memory Request,Memory Request Percent,Memory Limit,Memory Limit Percent"
}
{
  if ( $1 == "Name:" ) name = $2
  if ( $4 ~ /^\([0-9]+%\)$/ && $2 !~ /^\([0-9]+%\)$/ ) print name,$1,$2,$3,substr($4,2,length($4)-2),$5,substr($6,2,length($6)-2),$7,substr($8,2,length($8)-2),$9,substr($10,2,length($10)-2)
}
'