experimental change

teuthology/suite/fragment-merge.lua

@@ -1,24 +1,3 @@
--- allow only some Lua (and lunatic) builtins for use by scripts
-local lua_allowlist = {
-  require = require,
-  assert = assert,
-  error = error,
-  ipairs = ipairs,
-  next = next,
-  pairs = pairs,
-  tonumber = tonumber,
-  tostring = tostring,
-  py_attrgetter = python.as_attrgetter,
-  py_dict = python.builtins.dict,
-  py_list = python.builtins.list,
-  py_tuple = python.builtins.tuple,
-  py_enumerate = python.enumerate,
-  py_iterex = python.iterex,
-  py_itemgetter = python.as_itemgetter,
-  math = math,
-}
-lua_allowlist.__index = lua_allowlist
-
 -- accept a fragment/config (or just return true from the script!)
 local function accept()
   coroutine.yield(true)
@@ -79,7 +58,7 @@ function new_script(script, log, deep_merge, yaml_load)
     log = log,
     reject = reject,
     yaml_load = yaml_load,
-  }, lua_allowlist)
+  }, {__index = _G})
 
   -- avoid putting check_filters in _ENV
   -- try to keep line numbers correct: