basic API to be used in swarm mode

lua/api.lua

@@ -0,0 +1,28 @@
+local M		= {}
+local api_uri	= "%API_URI%"
+local api_list	= {}
+
+api_list["^/reload$"] = function ()
+	return os.execute("/usr/sbin/nginx -s reload") == 0
+end
+
+function M.is_api_call ()
+	if ngx.var.request_uri:sub(1, #api_uri) .. "/" == api_uri .. "/" then
+		for uri, code in pairs(api_list) do
+			if string.match(ngx.var.request_uri:sub(#api_uri + 1), uri) then
+				return true
+			end
+		end
+	end
+	return false
+end
+
+function M.do_api_call ()
+	for uri, code in pairs(api_list) do
+		if string.match(ngx.var.request_uri:sub(#api_uri + 1), uri) then
+			return code()
+		end
+	end
+end
+
+return M