From 5d9fd7e789c32657152b3795b39894973ae6203b Mon Sep 17 00:00:00 2001
From: Tobias Mueller <muelli@cryptobitch.de>
Date: Fri, 17 Oct 2025 10:48:03 -0700
Subject: [PATCH] processor: clamp: Raise if TTL arguments are not logical

We must not have min TTLs that are not smaller than the max TTL.
---
 octodns/processor/clamp.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/octodns/processor/clamp.py b/octodns/processor/clamp.py
index 31c9e89..49dd241 100644
--- a/octodns/processor/clamp.py
+++ b/octodns/processor/clamp.py
@@ -1,6 +1,9 @@
 from logging import getLogger
 
-from octodns.processor.base import BaseProcessor
+from .base import BaseProcessor, ProcessorException
+
+class TTLArgumentException(ProcessorException):
+    pass
 
 
 class TtlClampProcessor(BaseProcessor):
@@ -33,6 +36,8 @@ class TtlClampProcessor(BaseProcessor):
         self.log = getLogger(
             f'{self.__class__.__module__}.{self.__class__.__name__}'
         )
+        if not min_ttl <= max_ttl:
+            raise TTLArgumentException(f'Min TTL {min_ttl} is not lower than max TTL {max_ttl}')
         self.min_ttl = min_ttl
         self.max_ttl = max_ttl
         self.log.info(