| // 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 __ISOLATOR_HPP__ |
| #define __ISOLATOR_HPP__ |
| |
| #include <mesos/slave/isolator.hpp> |
| |
| #include <process/owned.hpp> |
| #include <process/process.hpp> |
| |
| #include <stout/none.hpp> |
| |
| namespace mesos { |
| namespace internal { |
| namespace slave { |
| |
| // Forward declaration. |
| class MesosIsolatorProcess; |
| |
| |
| // A wrapper class that implements the 'Isolator' interface which is |
| // backed by an 'MesosIsolatorProcess'. This helper class is useful |
| // for programmers to write asynchronous isolators. |
| class MesosIsolator : public mesos::slave::Isolator |
| { |
| public: |
| explicit MesosIsolator(process::Owned<MesosIsolatorProcess> process); |
| ~MesosIsolator() override; |
| |
| bool supportsNesting() override; |
| bool supportsStandalone() override; |
| |
| process::Future<Nothing> recover( |
| const std::vector<mesos::slave::ContainerState>& states, |
| const hashset<ContainerID>& orphans) override; |
| |
| process::Future<Option<mesos::slave::ContainerLaunchInfo>> prepare( |
| const ContainerID& containerId, |
| const mesos::slave::ContainerConfig& containerConfig) override; |
| |
| process::Future<Nothing> isolate( |
| const ContainerID& containerId, |
| pid_t pid) override; |
| |
| process::Future<mesos::slave::ContainerLimitation> watch( |
| const ContainerID& containerId) override; |
| |
| process::Future<Nothing> update( |
| const ContainerID& containerId, |
| const Resources& resourceRequests, |
| const google::protobuf::Map< |
| std::string, Value::Scalar>& resourceLimits = {}) override; |
| |
| process::Future<ResourceStatistics> usage( |
| const ContainerID& containerId) override; |
| |
| process::Future<ContainerStatus> status( |
| const ContainerID& containerId) override; |
| |
| process::Future<Nothing> cleanup( |
| const ContainerID& containerId) override; |
| |
| private: |
| process::Owned<MesosIsolatorProcess> process; |
| }; |
| |
| |
| class MesosIsolatorProcess : public process::Process<MesosIsolatorProcess> |
| { |
| public: |
| ~MesosIsolatorProcess() override {} |
| |
| virtual bool supportsNesting() |
| { |
| return false; |
| } |
| |
| virtual bool supportsStandalone() |
| { |
| return false; |
| } |
| |
| virtual process::Future<Nothing> recover( |
| const std::vector<mesos::slave::ContainerState>& states, |
| const hashset<ContainerID>& orphans) |
| { |
| return Nothing(); |
| } |
| |
| virtual process::Future<Option<mesos::slave::ContainerLaunchInfo>> prepare( |
| const ContainerID& containerId, |
| const mesos::slave::ContainerConfig& containerConfig) |
| { |
| return None(); |
| } |
| |
| virtual process::Future<Nothing> isolate( |
| const ContainerID& containerId, |
| pid_t pid) |
| { |
| return Nothing(); |
| } |
| |
| virtual process::Future<mesos::slave::ContainerLimitation> watch( |
| const ContainerID& containerId) |
| { |
| return process::Future<mesos::slave::ContainerLimitation>(); |
| } |
| |
| virtual process::Future<Nothing> update( |
| const ContainerID& containerId, |
| const Resources& resourceRequests, |
| const google::protobuf::Map< |
| std::string, Value::Scalar>& resourceLimits = {}) |
| { |
| return Nothing(); |
| } |
| |
| virtual process::Future<ResourceStatistics> usage( |
| const ContainerID& containerId) |
| { |
| return ResourceStatistics(); |
| } |
| |
| virtual process::Future<ContainerStatus> status( |
| const ContainerID& containerId) |
| { |
| return ContainerStatus(); |
| }; |
| |
| virtual process::Future<Nothing> cleanup( |
| const ContainerID& containerId) |
| { |
| return Nothing(); |
| } |
| }; |
| |
| } // namespace slave { |
| } // namespace internal { |
| } // namespace mesos { |
| |
| #endif // __ISOLATOR_HPP__ |