Optimized filter logic for all domains

filter_plugins/generate_all_domains.py

@@ -0,0 +1,47 @@
+import os
+from ansible.errors import AnsibleFilterError
+
+class FilterModule(object):
+    """
+    Custom Ansible filter to generate a flattened, deduplicated,
+    and sorted list of domains, with optional 'www.' prefixes.
+    """
+
+    def filters(self):
+        return {
+            'generate_all_domains': self.generate_all_domains,
+        }
+
+    @staticmethod
+    def generate_all_domains(domains_dict, include_www=True):
+        """
+        Transform a dict of domains into a flat list of domain strings.
+        Values in domains_dict may be strings, lists, or dicts.
+        If include_www is True, also generate "www." variants.
+        The final list is deduplicated and sorted alphabetically.
+
+        :param domains_dict: dict where each value is str, list, or dict of domains
+        :param include_www:  bool indicating if 'www.' prefixes should be added
+        :return:              sorted list of unique domain names
+        """
+        try:
+            flat = []
+            for val in domains_dict.values():
+                if isinstance(val, str):
+                    flat.append(val)
+                elif isinstance(val, list):
+                    flat.extend(val)
+                elif isinstance(val, dict):
+                    flat.extend(val.values())
+                else:
+                    # skip unsupported types
+                    continue
+
+            if include_www:
+                flat.extend(['www.' + d for d in flat])
+
+            # dedupe and sort
+            return sorted(set(flat))
+
+        except Exception as exc:
+            raise AnsibleFilterError(f"generate_all_domains failed: {exc}")