Update catalogue-alpha-phac-aspc-gc-ca.yaml #53

	name: Validate config-control Namespace

	on:
	pull_request:
	paths:
	- 'dns-records/*.yaml'

	jobs:
	validate-namespace:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Install yq
	uses: mikefarah/yq@v4

	- name: Validate namespace
	id: validate-namespace
	run: \|
	yaml_files=()
	EXPECTED_NAMESPACE='dns'
	error_occurred=0

	# Find yml/yaml files that have been changed
	yaml_files=($(git diff --name-only HEAD^..HEAD \| grep -E '^dns-records/.*\.ya?ml$'))

	# Check if there are any YAML files to process
	if [ ${#yaml_files[@]} -eq 0 ]; then
	echo -e "\nNo YAML files to process after filtering. Exiting cleanly."
	exit 0
	fi

	# Find yaml files that have .metadata.namespace defined
	for file in "${yaml_files[@]}"; do
	if [ -f "$file" ]; then # Ensure the file still exists in the repository
	NAMESPACE=$(yq e '.metadata.namespace // ""' "$file")
	if [ "$NAMESPACE" != "$EXPECTED_NAMESPACE" ]; then
	echo "::error file=$file::Error in file '$file': Namespace is '$NAMESPACE', expected '$EXPECTED_NAMESPACE'"
	error_occurred=1
	else
	echo "Namespace validation passed"
	fi
	else
	echo "File $file has been deleted or is not accessible."
	fi
	done

	# Exit with error if any validation failed
	if [ $error_occurred -eq 1 ]; then
	exit 1
	fi
	shell: bash

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