#!/usr/bin/env bash
#  vim:ts=4:sts=4:sw=4:et
#
#  Author: Hari Sekhon
#  Date: 2020-09-08 09:51:05 +0100 (Tue, 08 Sep 2020)
#
#  https://github.com/HariSekhon/bash-tools
#
#  License: see accompanying Hari Sekhon LICENSE file
#
#  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
#
#  https://www.linkedin.com/in/HariSekhon
#

set -euo pipefail
[ -n "${DEBUG:-}" ] && set -x
srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

# shellcheck disable=SC1090
. "$srcdir/lib/utils.sh"

# shellcheck disable=SC2034,SC2154
usage_description="
Gets the number of pods per node sorted descending

Requires kubectl in \$PATH
"

# used by usage() in lib/utils.sh
# shellcheck disable=SC2034
usage_args="[<kubectl_options>]"

help_usage "$@"

#kubectl get pods --all-namespaces -o json |
#jq -r '.items[] | .spec.nodeName' |
kubectl get pods --all-namespaces -o jsonpath='{range .items[*]}{.spec.nodeName}{"\n"}' |
sort |
uniq -c |
sort -k1nr