fix: route-maps ACL removal in replaced state

changelogs/fragments/route_maps_acl_fix.yaml

@@ -0,0 +1,3 @@
+---
+bugfixes:
+  - "ios_route_maps - Fix removal of ACLs in replaced state to properly remove unspecified ACLs while leaving specified ones intact."

plugins/module_utils/network/ios/config/route_maps/route_maps.py

@@ -217,16 +217,34 @@ def list_type_compare(self, compare_type, want, have):
                     if val != have_val:
                         if have_val:
                             if self.state == "overridden" or self.state == "replaced":
-                                self.compare(
-                                    parsers=parsers,
-                                    want=dict(),
-                                    have={compare_type: {k: {key: have_val}}},
+                                list_type = next(iter(val))
+                                # Get sets of values for comparison
+                                want_values = set(str(v) for v in val[list_type].values())
+                                have_values = (
+                                    set(str(v) for v in have_val[list_type].values())
+                                    if have_val
+                                    else set()
                                 )
-                            self.compare(
-                                parsers=parsers,
-                                want={compare_type: {k: {key: val}}},
-                                have={compare_type: {k: {key: have_val}}},
-                            )
+                                # Find values that need to be removed (in have but not in want)
+                                to_remove = have_values - want_values
+                                # Find values that need to be added (in want but not in have)
+                                to_add = want_values - have_values
+                                # Handle removals first
+                                if to_remove:
+                                    diff = {f"acl_{v}": v for v in to_remove}
+                                    self.compare(
+                                        parsers=parsers,
+                                        want=dict(),
+                                        have={compare_type: {k: {key: {list_type: diff}}}},
+                                    )
+                                # Then handle additions
+                                if to_add:
+                                    diff = {f"acl_{v}": v for v in to_add}
+                                    self.compare(
+                                        parsers=parsers,
+                                        want={compare_type: {k: {key: {list_type: diff}}}},
+                                        have=dict(),
+                                    )
                         else:
                             self.compare(
                                 parsers=parsers,

tests/unit/modules/network/ios/test_ios_route_maps.py

@@ -259,7 +259,7 @@ def test_ios_route_maps_replaced(self):
                                         exact_match=True,
                                         name=["new_replace"],
                                     ),
-                                    ip=dict(address=dict(acls=[10, 100])),
+                                    ip=dict(address=dict(acls=[10, 20, 30])),
                                     length=dict(maximum=50000, minimum=5000),
                                     mpls_label=True,
                                     policy_lists=["ip_policy"],
@@ -332,7 +332,9 @@ def test_ios_route_maps_replaced(self):
             "continue 20",
             "description this is replace test",
             "match community new_replace exact-match",
+            "match ip address 20 30",
             "match length 5000 50000",
+            "no match ip address 100",
             "no match mdt-group 25 30",
             "no match community 98 99 test_1 test_2 exact-match",
             "no match extcommunity 110 130",