| // 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 __LINUX_LAUNCHER_HPP__ |
| #define __LINUX_LAUNCHER_HPP__ |
| |
| #include <process/owned.hpp> |
| |
| #include "slave/containerizer/mesos/launcher.hpp" |
| |
| namespace mesos { |
| namespace internal { |
| namespace slave { |
| |
| class LinuxLauncherProcess; |
| |
| // Launcher for Linux systems with cgroups. Uses a freezer cgroup to |
| // track pids. |
| class LinuxLauncher : public Launcher |
| { |
| public: |
| static Try<Launcher*> create(const Flags& flags); |
| |
| // Returns 'true' if prerequisites for using LinuxLauncher are available. |
| static bool available(); |
| |
| ~LinuxLauncher() override; |
| |
| process::Future<hashset<ContainerID>> recover( |
| const std::vector<mesos::slave::ContainerState>& states) override; |
| |
| Try<pid_t> fork( |
| const ContainerID& containerId, |
| const std::string& path, |
| const std::vector<std::string>& argv, |
| const mesos::slave::ContainerIO& containerIO, |
| const flags::FlagsBase* flags, |
| const Option<std::map<std::string, std::string>>& environment, |
| const Option<int>& enterNamespaces, |
| const Option<int>& cloneNamespaces, |
| const std::vector<int_fd>& whitelistFds) override; |
| |
| process::Future<Nothing> destroy(const ContainerID& containerId) override; |
| |
| process::Future<ContainerStatus> status( |
| const ContainerID& containerId) override; |
| |
| private: |
| LinuxLauncher( |
| const Flags& flags, |
| bool cgroupsV2, |
| const Option<std::string>& freezerHierarchy, |
| const Option<std::string>& systemdHierarchy); |
| |
| static Try<Launcher*> createCgroupsLauncher(const Flags& flags); |
| static Try<Launcher*> createCgroups2Launcher(const Flags& flags); |
| |
| process::Owned<LinuxLauncherProcess> process; |
| }; |
| |
| } // namespace slave { |
| } // namespace internal { |
| } // namespace mesos { |
| |
| #endif // __LINUX_LAUNCHER_HPP__ |