inspect number of processes/cores

scan.sh

#!/usr/bin/env bash
# set -ex
deployments=$(kubectl get pods -o jsonpath='{.items[?(@.status.phase=="Running")].metadata.name}')

for deployment in $deployments; do
#  echo "$deployment"
  kubectl exec -it $deployment -- /bin/sh -c '
    num_processors=$(cat /proc/cpuinfo | grep processor | wc -l)
    total_processes=0

    for pid in /proc/[0-9]*; do
      pid=$(basename $pid)
      cmdline=$(cat /proc/$pid/cmdline 2>/dev/null | tr "\0" " ")
      # Uncomment following line to see proc info
      # echo "$pid - $cmdline"
      total_processes=$(expr "$total_processes" + 1)
    done;

    hostname=$(cat /etc/hostname)
    extra=" has $total_processes procs running on node w/ $num_processors cores"

    if [ "$total_processes" -gt 10 ]; then
      printf "\033[31m%s\033[0m %s\n" "$hostname" "$extra"
    else
      printf "%s %s\n" "$hostname" "$extra"
    fi
  '
done