| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef __PROVISIONER_PATHS_HPP__ |
| #define __PROVISIONER_PATHS_HPP__ |
| |
| #include <string> |
| |
| #include <mesos/mesos.hpp> |
| |
| #include <stout/hashmap.hpp> |
| #include <stout/hashset.hpp> |
| #include <stout/try.hpp> |
| |
| namespace mesos { |
| namespace internal { |
| namespace slave { |
| namespace provisioner { |
| namespace paths { |
| |
| // The provisioner rootfs directory is as follows: |
| // <work_dir> ('--work_dir' flag) |
| // |-- provisioner |
| // |-- containers |
| // |-- <container_id> |
| // |-- layers (paths to all layers to provision) |
| // |-- backends |
| // |-- <backend> (copy, bind, etc.) |
| // |-- rootfses |
| // |-- <rootfs_id> (the rootfs) |
| // |-- containers (nested containers) |
| // |-- <container_id> |
| // |-- layers (paths to all layers to provision) |
| // |-- backends |
| // |-- <backend> (copy, bind, etc.) |
| // |-- rootfses |
| // |-- <rootfs_id> (the rootfs) |
| // |
| // There can be multiple backends due to the change of backend flags. |
| // Under each backend a rootfs is identified by the 'rootfs_id' which |
| // is a UUID. |
| |
| |
| constexpr char LAYERS_FILE[] = "layers"; |
| |
| |
| // TODO(gilbert): rename this to `getContainerPath` for consistency. |
| std::string getContainerDir( |
| const std::string& provisionerDir, |
| const ContainerID& containerId); |
| |
| |
| std::string getLayersFilePath( |
| const std::string& provisionerDir, |
| const ContainerID& containerId); |
| |
| |
| std::string getContainerRootfsDir( |
| const std::string& provisionerDir, |
| const ContainerID& containerId, |
| const std::string& backend, |
| const std::string& rootfsId); |
| |
| |
| // Recursively "ls" the container directory and return a map of |
| // backend -> {rootfsId, ...} |
| Try<hashmap<std::string, hashset<std::string>>> |
| listContainerRootfses( |
| const std::string& provisionerDir, |
| const ContainerID& containerId); |
| |
| |
| // Return a set of container IDs. |
| Try<hashset<ContainerID>> listContainers( |
| const std::string& provisionerDir); |
| |
| |
| std::string getBackendDir( |
| const std::string& provisionerDir, |
| const ContainerID& containerId, |
| const std::string& backend); |
| |
| } // namespace paths { |
| } // namespace provisioner { |
| } // namespace slave { |
| } // namespace internal { |
| } // namespace mesos { |
| |
| #endif // __PROVISIONER_PATHS_HPP__ |