Repository: mesos Updated Branches: refs/heads/master d0bb88470 -> 6435d46c8
Introduced provisioner Backend interface. Review: https://reviews.apache.org/r/37382 Project: http://git-wip-us.apache.org/repos/asf/mesos/repo Commit: http://git-wip-us.apache.org/repos/asf/mesos/commit/6435d46c Tree: http://git-wip-us.apache.org/repos/asf/mesos/tree/6435d46c Diff: http://git-wip-us.apache.org/repos/asf/mesos/diff/6435d46c Branch: refs/heads/master Commit: 6435d46c83e7c24b385b76d2d06ab79cbf7f078c Parents: d0bb884 Author: Jiang Yan Xu <y...@jxu.me> Authored: Tue Aug 11 22:18:51 2015 -0700 Committer: Jiang Yan Xu <y...@jxu.me> Committed: Wed Aug 19 15:37:05 2015 -0700 ---------------------------------------------------------------------- src/Makefile.am | 2 + .../containerizer/provisioners/backend.cpp | 39 ++++++++++++ .../containerizer/provisioners/backend.hpp | 62 ++++++++++++++++++++ 3 files changed, 103 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/mesos/blob/6435d46c/src/Makefile.am ---------------------------------------------------------------------- diff --git a/src/Makefile.am b/src/Makefile.am index 457ad26..9fd71d1 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -472,6 +472,7 @@ libmesos_no_3rdparty_la_SOURCES = \ slave/containerizer/provisioners/appc/paths.cpp \ slave/containerizer/provisioners/appc/spec.cpp \ slave/containerizer/provisioners/appc/store.cpp \ + slave/containerizer/provisioners/backend.cpp \ slave/resource_estimators/noop.cpp \ usage/usage.cpp \ v1/attributes.cpp \ @@ -739,6 +740,7 @@ libmesos_no_3rdparty_la_SOURCES += \ slave/containerizer/provisioners/appc/paths.hpp \ slave/containerizer/provisioners/appc/spec.hpp \ slave/containerizer/provisioners/appc/store.hpp \ + slave/containerizer/provisioners/backend.hpp \ slave/containerizer/isolators/posix.hpp \ slave/containerizer/isolators/posix/disk.hpp \ slave/containerizer/isolators/cgroups/constants.hpp \ http://git-wip-us.apache.org/repos/asf/mesos/blob/6435d46c/src/slave/containerizer/provisioners/backend.cpp ---------------------------------------------------------------------- diff --git a/src/slave/containerizer/provisioners/backend.cpp b/src/slave/containerizer/provisioners/backend.cpp new file mode 100644 index 0000000..6190ce3 --- /dev/null +++ b/src/slave/containerizer/provisioners/backend.cpp @@ -0,0 +1,39 @@ +/** + * 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 "slave/containerizer/provisioners/backend.hpp" + +using namespace process; + +using std::list; +using std::string; +using std::vector; + +namespace mesos { +namespace internal { +namespace slave { + +Try<Owned<Backend>> Backend::create(const Flags& flags) +{ + // TODO(xujyan): Load backend implementations once they are introduced. + return Error("No Backend implementation available"); +} + +} // namespace slave { +} // namespace internal { +} // namespace mesos { http://git-wip-us.apache.org/repos/asf/mesos/blob/6435d46c/src/slave/containerizer/provisioners/backend.hpp ---------------------------------------------------------------------- diff --git a/src/slave/containerizer/provisioners/backend.hpp b/src/slave/containerizer/provisioners/backend.hpp new file mode 100644 index 0000000..46120e8 --- /dev/null +++ b/src/slave/containerizer/provisioners/backend.hpp @@ -0,0 +1,62 @@ +/** + * 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 __MESOS_PROVISIONER_BACKEND_HPP__ +#define __MESOS_PROVISIONER_BACKEND_HPP__ + +#include <string> +#include <vector> + +#include <process/future.hpp> +#include <process/owned.hpp> + +#include <stout/try.hpp> + +#include "slave/flags.hpp" + +namespace mesos { +namespace internal { +namespace slave { + +// Provision a root filesystem for a container. +class Backend +{ +public: + virtual ~Backend() {} + + static Try<process::Owned<Backend>> create(const Flags& flags); + + // Provision a root filesystem for a container into the specified 'rootfs' + // directory by applying the specified list of root filesystem layers in + // the list order, i.e., files in a layer can overwrite/shadow those from + // another layer earlier in the list. + virtual process::Future<Nothing> provision( + const std::vector<std::string>& layers, + const std::string& rootfs) = 0; + + // Destroy the root filesystem provisioned at the specified 'rootfs' + // directory. Return false if there is no provisioned root filesystem + // to destroy for the given directory. + virtual process::Future<bool> destroy(const std::string& rootfs) = 0; +}; + +} // namespace slave { +} // namespace internal { +} // namespace mesos { + +#endif // __MESOS_PROVISIONER_BACKEND_HPP__
