manager: datamodel: types: hyphen added to IDPattern

diff --git a/manager/knot_resolver_manager/datamodel/types/types.py b/manager/knot_resolver_manager/datamodel/types/types.py
index dacac8da8a194f262b1a9525bf89a2381084a92b..1f32ea71f58171e4e48b31830d9570ba70994415 100644 (file)
--- a/manager/knot_resolver_manager/datamodel/types/types.py
+++ b/manager/knot_resolver_manager/datamodel/types/types.py
@@ -128,7 +128,7 @@ class IDPattern(PatternBase):
     Alphanumerical ID for identifying systemd slice.
     """
 
-    _re = re.compile(r"[a-zA-Z0-9]+")
+    _re = re.compile(r"^(?!-)[a-z0-9-]*[a-z0-9]+$")
 
 
 class InterfacePort(StrBase):