Optimized defaults_redirect_domain_mappings for dynamic creating by roles

filter_plugins/TODO.md

@@ -1,2 +0,0 @@
-# Todos
-- Refactor all 4 functions to one

filter_plugins/redirect_filters.py

@@ -0,0 +1,37 @@
+# roles/<your-role>/filter_plugins/redirect_filters.py
+from ansible.errors import AnsibleFilterError
+
+class FilterModule(object):
+    """
+    Custom filters for redirect domain mappings
+    """
+
+    def filters(self):
+        return {
+            "add_redirect_if_group": self.add_redirect_if_group,
+        }
+
+    @staticmethod
+    def add_redirect_if_group(redirect_list, group, source, target, group_names):
+        """
+        Append {"source": source, "target": target} to *redirect_list*
+        **only** if *group* is contained in *group_names*.
+
+        Usage in Jinja:
+          {{ redirect_list
+               | add_redirect_if_group('lam',
+                                       'ldap.' ~ primary_domain,
+                                       domains.lam,
+                                       group_names) }}
+        """
+        try:
+            # Make a copy so we don’t mutate the original list in place
+            redirects = list(redirect_list)
+
+            if group in group_names:
+                redirects.append({"source": source, "target": target})
+
+            return redirects
+
+        except Exception as exc:
+            raise AnsibleFilterError(f"add_redirect_if_group failed: {exc}")

group_vars/all/03_domains.yml

@@ -53,31 +53,31 @@ defaults_domains:
     - "blog.{{primary_domain}}"
 
 ## Domain Redirects
-defaults_redirect_domain_mappings:
+defaults_redirect_domain_mappings: >-
-- { source: "akaunting.{{primary_domain}}",   target: "{{domains.akaunting}}" }
+  {{ []
-- { source: "bbb.{{primary_domain}}",         target: "{{domains.bigbluebutton}}" }
+     | add_redirect_if_group('akaunting',       "akaunting." ~ primary_domain,   domains.akaunting,     group_names)
-- { source: "discourse.{{primary_domain}}",   target: "{{domains.discourse}}" }
+     | add_redirect_if_group('bigbluebutton',   "bbb." ~ primary_domain,         domains.bigbluebutton, group_names)
-- { source: "crm.{{primary_domain}}",         target: "{{domains.espocrm}}" }
+     | add_redirect_if_group('discourse',       "discourse." ~ primary_domain,   domains.discourse,     group_names)
-- { source: "funkwhale.{{primary_domain}}",   target: "{{domains.funkwhale}}" }
+     | add_redirect_if_group('espocrm',         "crm." ~ primary_domain,         domains.espocrm,       group_names)
-- { source: "gitea.{{primary_domain}}",       target: "{{domains.gitea}}" }
+     | add_redirect_if_group('funkwhale',       "funkwhale." ~ primary_domain,   domains.funkwhale,     group_names)
-- { source: "keycloak.{{primary_domain}}",    target: "{{domains.keycloak}}" }
+     | add_redirect_if_group('gitea',           "gitea." ~ primary_domain,       domains.gitea,         group_names)
-- { 
+     | add_redirect_if_group('keycloak',        "keycloak." ~ primary_domain,    domains.keycloak,      group_names)
-    source: "{{ domains.ldap }}", 
+     | add_redirect_if_group('lam',             domains.ldap,                    domains.lam,           group_names)
-    target: "{% if 'lam' in group_names %}{{ domains.lam }}{% elif 'phpmyldapadmin' in group_names %}{{ domains.phpmyldap }}{% else %}{{ primary_domain }}{% endif %}"
+     | add_redirect_if_group('phpmyldapadmin',  domains.ldap,                    domains.phpmyldap,     group_names)
-  }
+     | add_redirect_if_group('listmonk',        "listmonk." ~ primary_domain,    domains.listmonk,      group_names)
-- { source: "listmonk.{{primary_domain}}",    target: "{{domains.listmonk}}" }
+     | add_redirect_if_group('mailu',           "mailu." ~ primary_domain,       domains.mailu,         group_names)
-- { source: "mailu.{{primary_domain}}",       target: "{{domains.mailu}}" }
+     | add_redirect_if_group('moodle',          "moodle." ~ primary_domain,      domains.moodle,        group_names)
-- { source: "moodle.{{primary_domain}}",      target: "{{domains.moodle}}" }
+     | add_redirect_if_group('nextcloud',       "nextcloud." ~ primary_domain,   domains.nextcloud,     group_names)
-- { source: "nextcloud.{{primary_domain}}",   target: "{{domains.nextcloud}}" }
+     | add_redirect_if_group('openproject',     "openproject." ~ primary_domain, domains.openproject,   group_names)
-- { source: "openproject.{{primary_domain}}", target: "{{domains.openproject}}" }
+     | add_redirect_if_group('peertube',        "peertube." ~ primary_domain,    domains.peertube,      group_names)
-- { source: "peertube.{{primary_domain}}",    target: "{{domains.peertube}}" }
+     | add_redirect_if_group('pixelfed',        "pictures." ~ primary_domain,    domains.pixelfed,      group_names)
-- { source: "pictures.{{primary_domain}}",    target: "{{domains.pixelfed}}" }
+     | add_redirect_if_group('pixelfed',        "pixelfed." ~ primary_domain,    domains.pixelfed,      group_names)
-- { source: "pixelfed.{{primary_domain}}",    target: "{{domains.pixelfed}}" }
+     | add_redirect_if_group('yourls',          "short." ~ primary_domain,       domains.yourls,        group_names)
-- { source: "short.{{primary_domain}}",       target: "{{domains.yourls}}" }
+     | add_redirect_if_group('snipe-it',        "snipe-it." ~ primary_domain,    domains.snipe_it,      group_names)
-- { source: "snipe-it.{{primary_domain}}",    target: "{{domains.snipe_it}}" }
+     | add_redirect_if_group('taiga',           "taiga." ~ primary_domain,       domains.taiga,         group_names)
-- { source: "taiga.{{primary_domain}}",       target: "{{domains.taiga}}" }
+     | add_redirect_if_group('peertube',        "videos." ~ primary_domain,      domains.peertube,      group_names)
-- { source: "videos.{{primary_domain}}",      target: "{{domains.peertube}}" }
+     | add_redirect_if_group('wordpress',       "wordpress." ~ primary_domain,   domains.wordpress[0],  group_names)
-- { source: "wordpress.{{primary_domain}}",   target: "{{domains.wordpress[0]}}" }
+  }}
 
 # Domains which are deprecated and should be cleaned up
 deprecated_domains: []

tests/unit/test_redirect_filters.py

@@ -0,0 +1,53 @@
+import os
+import sys
+import unittest
+
+PROJECT_ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), "../../.."))
+sys.path.insert(0, PROJECT_ROOT)
+
+from filter_plugins.redirect_filters import FilterModule
+
+
+class TestAddRedirectIfGroup(unittest.TestCase):
+    """Unit-tests for the add_redirect_if_group filter."""
+
+    def setUp(self):
+        # Obtain the callable once for reuse
+        self.add_redirect = FilterModule().filters()["add_redirect_if_group"]
+
+    def test_appends_redirect_when_group_present(self):
+        original = [{"source": "a", "target": "b"}]
+        result = self.add_redirect(
+            original,
+            group="lam",
+            source="ldap.example.com",
+            target="lam.example.com",
+            group_names=["lam", "other"],
+        )
+
+        # Original list must stay unchanged
+        self.assertEqual(len(original), 1)
+        # Result list must contain the extra entry
+        self.assertEqual(len(result), 2)
+        self.assertIn(
+            {"source": "ldap.example.com", "target": "lam.example.com"}, result
+        )
+
+    def test_keeps_list_unchanged_when_group_absent(self):
+        original = [{"source": "a", "target": "b"}]
+        result = self.add_redirect(
+            original,
+            group="lam",
+            source="ldap.example.com",
+            target="lam.example.com",
+            group_names=["unrelated"],
+        )
+
+        # No new entries
+        self.assertEqual(result, original)
+        # But ensure a new list object was returned (no in-place mutation)
+        self.assertIsNot(result, original)
+
+
+if __name__ == "__main__":
+    unittest.main()