1 /* 2 * Copyright (C) 2018 The Android Open Source Project 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 "common/libs/utils/container.h" 18 19 #include <cstdlib> 20 #include <string> 21 22 #include "common/libs/utils/files.h" 23 24 namespace cuttlefish { 25 IsRunningInDocker()26static bool IsRunningInDocker() { 27 // if /.dockerenv exists, it's inside a docker container 28 static std::string docker_env_path("/.dockerenv"); 29 static bool ret = 30 FileExists(docker_env_path) || DirectoryExists(docker_env_path); 31 return ret; 32 } 33 IsRunningInContainer()34bool IsRunningInContainer() { 35 // TODO: add more if we support other containers than docker 36 return IsRunningInDocker(); 37 } 38 39 } // namespace cuttlefish 40