| // 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. |
| |
| #include <string> |
| |
| #include <stout/os.hpp> |
| #include <stout/strings.hpp> |
| #include <stout/try.hpp> |
| #include <stout/version.hpp> |
| |
| #include <common/kernel_version.hpp> |
| |
| using std::string; |
| using std::vector; |
| |
| namespace mesos { |
| |
| Try<Version> kernelVersion() |
| { |
| Try<os::UTSInfo> uname = os::uname(); |
| if (!uname.isSome()) { |
| return Error("Unable to determine kernel version: " + uname.error()); |
| } |
| |
| vector<string> parts = strings::split(uname->release, "."); |
| parts.resize(2); |
| |
| Try<Version> version = Version::parse(strings::join(".", parts)); |
| if (!version.isSome()) { |
| return Error("Failed to parse kernel version '" + uname->release + |
| "': " + version.error()); |
| } |
| |
| return version; |
| } |
| |
| } // namespace mesos { |