fix(core): use require implementation written in Lua

CHANGELOG/unreleased/kong/11610.yaml

@@ -0,0 +1,7 @@
+"message": "Use `require` implementation written in Lua to enable cosocket calls on the module level of libraries"
+"type": "feature"
+"scope": "Core"
+"prs":
+  - 11610
+jiras:
+  - "KAG-2595"

bin/busted

@@ -59,14 +59,6 @@ require("kong.globalpatches")({
   rbusted = true
 })
 
--- some libraries used in test like spec/helpers
--- calls cosocket in module level, and as LuaJIT's
--- `require` is implemented in C, this throws
--- "attempt to yield across C-call boundary" error
--- the following pure-lua implementation is to bypass
--- this limitation, without need to modify all tests
-_G.require = require "spec.require".require
-
 -- Busted command-line runner
 require 'busted.runner'({ standalone = false })
 

kong-3.5.0-0.rockspec

@@ -157,6 +157,7 @@ build = {
     ["kong.tools.stream_api"] = "kong/tools/stream_api.lua",
     ["kong.tools.queue"] = "kong/tools/queue.lua",
     ["kong.tools.queue_schema"] = "kong/tools/queue_schema.lua",
+    ["kong.tools.require"] = "kong/tools/require.lua",
     ["kong.tools.sandbox"] = "kong/tools/sandbox.lua",
     ["kong.tools.uri"] = "kong/tools/uri.lua",
     ["kong.tools.kong-lua-sandbox"] = "kong/tools/kong-lua-sandbox.lua",

kong/globalpatches.lua

@@ -583,6 +583,14 @@ return function(options)
       return sock
     end
 
+    -- Some libraries call cosocket on the module level, and as
+    -- LuaJIT's `require` is implemented in C, this throws "attempt to
+    -- yield across C-call boundary" error.  We're replacing require
+    -- with an implementation written in Lua that does not have the
+    -- restriction.
+    _G.native_require = require
+    _G.require = require "kong.tools.require".require
+
     -- STEP 5: load code that should be using the patched versions, if any (because of dependency chain)
     do
       local client = package.loaded["kong.resty.dns.client"]