Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 67 insertions, 0 deletions

diff --git a/src/rgw/rgw_lua.h b/src/rgw/rgw_lua.h
new file mode 100644
index 000000000..a6ebcc2d0
--- /dev/null
+++ b/src/rgw/rgw_lua.h
@@ -0,0 +1,67 @@
+#pragma once
+
+#include <string>
+#include <set>
+#include "rgw_lua_version.h"
+#include "common/async/yield_context.h"
+#include "common/dout.h"
+#include "rgw_sal_fwd.h"
+
+class DoutPrefixProvider;
+class lua_State;
+class rgw_user;
+class DoutPrefixProvider;
+namespace rgw::sal {
+  class RadosStore;
+  class LuaManager;
+}
+
+namespace rgw::lua {
+
+enum class context {
+  preRequest,
+  postRequest,
+  background,
+  getData,
+  putData,
+  none
+};
+
+// get context enum from string 
+// the expected string the same as the enum (case insensitive)
+// return "none" if not matched
+context to_context(const std::string& s);
+
+// verify a lua script
+bool verify(const std::string& script, std::string& err_msg);
+
+// driver a lua script in a context
+int write_script(const DoutPrefixProvider *dpp, rgw::sal::LuaManager* manager, const std::string& tenant, optional_yield y, context ctx, const std::string& script);
+
+// read the stored lua script from a context
+int read_script(const DoutPrefixProvider *dpp, rgw::sal::LuaManager* manager, const std::string& tenant, optional_yield y, context ctx, std::string& script);
+
+// delete the stored lua script from a context
+int delete_script(const DoutPrefixProvider *dpp, rgw::sal::LuaManager* manager, const std::string& tenant, optional_yield y, context ctx);
+
+using packages_t = std::set<std::string>;
+
+#ifdef WITH_RADOSGW_LUA_PACKAGES
+
+// add a lua package to the allowlist
+int add_package(const DoutPrefixProvider *dpp, rgw::sal::Driver* driver, optional_yield y, const std::string& package_name, bool allow_compilation);
+
+// remove a lua package from the allowlist
+int remove_package(const DoutPrefixProvider *dpp, rgw::sal::Driver* driver, optional_yield y, const std::string& package_name);
+
+// list lua packages in the allowlist
+int list_packages(const DoutPrefixProvider *dpp, rgw::sal::Driver* driver, optional_yield y, packages_t& packages);
+
+// install all packages from the allowlist
+// return the list of packages that failed to install and the output of the install command
+int install_packages(const DoutPrefixProvider *dpp, rgw::sal::Driver* driver,
+                     optional_yield y, const std::string& luarocks_path,
+                     packages_t& failed_packages, std::string& output);
+#endif
+}
+