1 // 2 // Copyright 2019 gRPC authors. 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #include "src/core/xds/xds_client/xds_bootstrap.h" 18 19 #include <grpc/support/port_platform.h> 20 21 #include "absl/types/optional.h" 22 #include "src/core/util/env.h" 23 #include "src/core/util/string.h" 24 25 namespace grpc_core { 26 27 // TODO(roth,apolcyn): remove this federation env var after the 1.55 28 // release. XdsFederationEnabled()29bool XdsFederationEnabled() { 30 auto value = GetEnv("GRPC_EXPERIMENTAL_XDS_FEDERATION"); 31 if (!value.has_value()) return true; 32 bool parsed_value; 33 bool parse_succeeded = gpr_parse_bool_value(value->c_str(), &parsed_value); 34 return parse_succeeded && parsed_value; 35 } 36 37 } // namespace grpc_core 38