rgw/lua: support packages via luarocks

Signed-off-by: Yuval Lifshitz <ylifshit@redhat.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/src/rgw/rgw_lua_utils.h b/src/rgw/rgw_lua_utils.h
index e3a7a132cb1..00f3cfdefb5 100644
--- a/src/rgw/rgw_lua_utils.h
+++ b/src/rgw/rgw_lua_utils.h
@@ -26,6 +26,12 @@ static inline void pushstring(lua_State* L, std::string_view str)
   lua_pushlstring(L, str.data(), str.size());
 }
 
+static inline void unsetglobal(lua_State* L, const char* name) 
+{
+  lua_pushnil(L);
+  lua_setglobal(L, name);
+}
+
 // dump the lua stack to stdout
 void stack_dump(lua_State* L);
 
@@ -175,5 +181,19 @@ struct EmptyMetaTable {
 //
 void create_debug_action(lua_State* L, CephContext* cct);
 
+// set the packages search path according to:
+// package.path = "<install_dir>/share/lua/5.3/?.lua"                                                                         │                         LuaRocks.
+// package.cpath= "<install_dir>/lib/lua/5.3/?.so"
+void set_package_path(lua_State* L, const std::string& install_dir);
+
+// open standard lua libs and remove the following functions:
+// os.exit()
+// load()
+// loadfile()
+// loadstring()
+// dofile()
+// and the "debug" library
+void open_standard_libs(lua_State* L);
+
 }