Adding the DAO SSL certificate as a lua_ssl_trusted_certificate

kong/cli/services/nginx.lua

@@ -57,6 +57,13 @@ local function get_current_user()
 end
 
 local function prepare_nginx_configuration(configuration, ssl_config)
+  -- DAO SSL certificate
+  local lua_ssl_trusted_certificate = (configuration[configuration.database] and 
+                                       configuration[configuration.database].ssl and
+                                       configuration[configuration.database].ssl.enabled and
+                                       configuration[configuration.database].ssl.certificate_authority) and 
+                                       configuration[configuration.database].ssl.certificate_authority or nil
+
   -- Extract nginx config from kong config, replace any needed value
   local nginx_config = configuration.nginx
   local nginx_inject = {
@@ -68,7 +75,7 @@ local function prepare_nginx_configuration(configuration, ssl_config)
     memory_cache_size = configuration.memory_cache_size,
     ssl_cert = ssl_config.ssl_cert_path,
     ssl_key = ssl_config.ssl_key_path,
-    lua_ssl_trusted_certificate = ssl_config.trusted_ssl_cert_path ~= nil and "lua_ssl_trusted_certificate \""..ssl_config.trusted_ssl_cert_path.."\";" or ""
+    lua_ssl_trusted_certificate = lua_ssl_trusted_certificate ~= nil and "lua_ssl_trusted_certificate \""..lua_ssl_trusted_certificate.."\";" or ""
   }
 
   -- Auto-tune