kubewarden-palindrome-policy

Avoid Palindrome Pod Labels Policy

This repository contains a Kubewarden policy written in Go to reject Pods with at least one label wiyh palindrome key.

More information about Kubewarden and its policies can be found in the official documentation

The policy allows the creation of this Pod:

apiVersion: v1
kind: Pod
metadata:
  name: hello-world
  labels:
    env: production
spec:
  containers:
  - name: nginx
    image: nginx

and rejects the creation of this Pod:

apiVersion: v1
kind: Pod
metadata:
  name: hello-world
  labels:
    env: production
    level: debug
spec:
  containers:
  - name: nginx
    image: nginx

Requirements:

• Keys of one unique character shall not be consider palindrome
• If the key has prefix (/), both the key prefix and the key name shall be considered
• The policy shall be case insensitive
• The policy shall apply only to Pods