Apache Mesos
flags.hpp
Go to the documentation of this file.
1 // Licensed to the Apache Software Foundation (ASF) under one
2 // or more contributor license agreements. See the NOTICE file
3 // distributed with this work for additional information
4 // regarding copyright ownership. The ASF licenses this file
5 // to you under the Apache License, Version 2.0 (the
6 // "License"); you may not use this file except in compliance
7 // with the License. You may obtain a copy of the License at
8 //
9 // http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 
17 #ifndef __LOCAL_FLAGS_HPP__
18 #define __LOCAL_FLAGS_HPP__
19 
20 #include <stout/flags.hpp>
21 #include <stout/os.hpp>
22 #include <stout/path.hpp>
23 
24 #include "logging/flags.hpp"
25 
26 namespace mesos {
27 namespace internal {
28 namespace local {
29 
30 class Flags : public virtual logging::Flags
31 {
32 public:
34  {
36  "work_dir",
37  "Path of the master/agent work directory. This is where the\n"
38  "persistent information of the cluster will be stored.\n\n"
39  "NOTE: Locations like `/tmp` which are cleaned automatically\n"
40  "are not suitable for the work directory when running in\n"
41  "production, since long-running masters and agents could lose\n"
42  "data when cleanup occurs. Local mode is used explicitly for\n"
43  "non-production purposes, so this is the only case where having\n"
44  "a default `work_dir` flag is acceptable.\n"
45  "(Example: `/var/lib/mesos`)\n\n"
46  "Individual work directories for each master and agent will be\n"
47  "nested underneath the given work directory:\n"
48  "root (`work_dir` flag)\n"
49  "|-- agents\n"
50  "| |-- 0\n"
51  "| | |-- fetch (--fetcher_cache_dir)\n"
52  "| | |-- run (--runtime_dir)\n"
53  "| | |-- work (--work_dir)\n"
54  "| |-- 1\n"
55  "| | ...\n"
56  "|-- master",
57  path::join(os::temp(), "mesos", "work"));
58 
60  "num_slaves",
61  "Number of agents to launch for local cluster",
62  1);
63  }
64 
65  std::string work_dir;
67 };
68 
69 } // namespace local {
70 } // namespace internal {
71 } // namespace mesos {
72 
73 #endif // __LOCAL_FLAGS_HPP__
Definition: flags.hpp:29
int num_slaves
Definition: flags.hpp:66
std::string join(const std::string &path1, const std::string &path2, const char _separator=os::PATH_SEPARATOR)
Definition: path.hpp:56
Flags()
Definition: flags.hpp:33
std::string work_dir
Definition: flags.hpp:65
Definition: spec.hpp:30
Definition: flags.hpp:30
Definition: attributes.hpp:24
void add(T1 Flags::*t1, const Name &name, const Option< Name > &alias, const std::string &help, const T2 *t2, F validate)
Definition: flags.hpp:333
std::string temp()
Definition: temp.hpp:27