Account for deferred retirements in apply budget

dns_sync/cli.py

@@ -65,7 +65,7 @@ def build_parser():
         "--max-changes",
         type=_nonnegative_int,
         default=None,
-        help="Maximum CREATE/UPDATE actions allowed with --apply",
+        help="Maximum planned mutations allowed with --apply",
     )
 
     sub.add_parser("plugins", help="Show the configured source/provider plugins")
@@ -202,11 +202,21 @@ def run_reconcile(args):
         for action in plan.actions
     )
 
+    retirement_count = sum(
+        len(plan.retirements)
+        for plan in result.plans
+    )
+    mutation_count = (
+        change_count
+        + retirement_count
+    )
+
     print()
     print(
         "Plan summary: "
         f"{create_count} create, "
         f"{update_count} update, "
+        f"{retirement_count} retirement, "
         f"{noop_count} unchanged"
     )
 
@@ -221,10 +231,10 @@ def run_reconcile(args):
 
     if (
         args.max_changes is not None
-        and change_count > args.max_changes
+        and mutation_count > args.max_changes
     ):
         raise RuntimeError(
-            f"Refusing to apply {change_count} change(s); "
+            f"Refusing to apply {mutation_count} mutation(s); "
             f"--max-changes allows {args.max_changes}"
         )
 
@@ -241,6 +251,7 @@ def run_reconcile(args):
     print(
         "APPLY COMPLETE: "
         f"{len(execution.applied)} action(s) applied and verified; "
+        f"{len(execution.retired)} retirement(s) completed; "
         f"{len(execution.skipped)} unchanged/skipped."
     )
     return 0