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DevOps-Bash-tools/argocd_namespace_resource_w...

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#!/usr/bin/env bash
# vim:ts=4:sts=4:sw=4:et
#
# Author: Hari Sekhon
# Date: 2021-06-18 11:43:50 +0100 (Fri, 18 Jun 2021)
#
# 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 "${DEBUG:-}" ] && set -x
srcdir="$(dirname "${BASH_SOURCE[0]}")"
# shellcheck disable=SC1090,SC1091
. "$srcdir/lib/utils.sh"
# shellcheck disable=SC2034,SC2154
usage_description="
Filter program to generate ArgoCD namespace resource whitelist from a given Kubernetes YAML or Kustomize build output
YAML can be supplied as a file argument or via standard input. If no file is given, waits for stdin like a standard unix filter program
Outputs YAML for the namespaceResourceWhitelist section of argocd-project.yaml
A full argocd-project.yaml is already provided at the URL below with all the most common object permissions already populated via the output from this script against my production environment
https://github.com/HariSekhon/Kubernetes-configs
Uses adjacent script kubernetes_resource_types.sh
Tested on ArgoCD 2.0.3
"
# used by usage() in lib/utils.sh
# shellcheck disable=SC2034
usage_args="[<file.yaml> <file2.yaml> ...]"
help_usage "$@"
#min_args 1 "$@"
echo " namespaceResourceWhitelist:"
"$srcdir/kubernetes_resource_types.sh" "$@" |
while read -r group kind; do
# Cluster resources, ignore these
if [[ "$kind" =~ Namespace|PriorityClass|StorageClass ]]; then
continue
fi
group="${group%/*}"
if [ "$group" = v1 ]; then
group=""
fi
if [ "$group" = "" ]; then
group="''"
fi
echo " - group: $group"
echo " kind: $kind"
done