Module validation 

Validation logic for DNS zones.

This module contains functions for validating zone configurations, checking for duplicate zones, and filtering instances.

Functions

check_for_duplicate_zones

Checks if another zone has already claimed the same zone name across any BIND9 instances.

filter_instances_needing_reconciliation

Filters instances that need reconciliation based on their last_reconciled_at timestamp.

get_instances_from_zone

Get instances from a DNSZone based on bind9_instances_from selectors.