1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
8 #include "include/stringify.h"
9 #include "common/SubProcess.h"
11 #include "tools/rbd/ArgumentTypes.h"
12 #include "tools/rbd/Shell.h"
13 #include "tools/rbd/Utils.h"
15 #include <boost/algorithm/string/predicate.hpp>
16 #include <boost/scope_exit.hpp>
17 #include <boost/program_options.hpp>
25 namespace at = argument_types;
26 namespace po = boost::program_options;
28 static int call_ggate_cmd(const po::variables_map &vm,
29 const std::vector<const char*> &args)
31 SubProcess process("rbd-ggate", SubProcess::KEEP, SubProcess::KEEP,
34 if (vm.count("conf")) {
35 process.add_cmd_arg("--conf");
36 process.add_cmd_arg(vm["conf"].as<std::string>().c_str());
38 if (vm.count("cluster")) {
39 process.add_cmd_arg("--cluster");
40 process.add_cmd_arg(vm["cluster"].as<std::string>().c_str());
43 process.add_cmd_arg("--id");
44 process.add_cmd_arg(vm["id"].as<std::string>().c_str());
46 if (vm.count("name")) {
47 process.add_cmd_arg("--name");
48 process.add_cmd_arg(vm["name"].as<std::string>().c_str());
50 if (vm.count("mon_host")) {
51 process.add_cmd_arg("--mon_host");
52 process.add_cmd_arg(vm["mon_host"].as<std::string>().c_str());
54 if (vm.count("keyfile")) {
55 process.add_cmd_arg("--keyfile");
56 process.add_cmd_arg(vm["keyfile"].as<std::string>().c_str());
58 if (vm.count("keyring")) {
59 process.add_cmd_arg("--keyring");
60 process.add_cmd_arg(vm["keyring"].as<std::string>().c_str());
63 for (std::vector<const char*>::const_iterator p = args.begin();
65 process.add_cmd_arg(*p);
67 if (process.spawn()) {
68 std::cerr << "rbd: failed to run rbd-ggate: " << process.err() << std::endl;
70 } else if (process.join()) {
71 std::cerr << "rbd: rbd-ggate failed with error: " << process.err()
79 void get_list_arguments(po::options_description *positional,
80 po::options_description *options)
83 int execute_list(const po::variables_map &vm)
85 std::vector<const char*> args;
87 args.push_back("list");
89 return call_ggate_cmd(vm, args);
92 void get_map_arguments(po::options_description *positional,
93 po::options_description *options)
95 at::add_image_or_snap_spec_options(positional, options,
96 at::ARGUMENT_MODIFIER_NONE);
97 options->add_options()
98 ("read-only", po::bool_switch(), "map read-only")
99 ("exclusive", po::bool_switch(), "forbid writes by other clients")
100 ("device", po::value<std::string>(), "specify ggate device");
103 int execute_map(const po::variables_map &vm)
105 size_t arg_index = 0;
106 std::string pool_name;
107 std::string image_name;
108 std::string snap_name;
109 int r = utils::get_pool_image_snapshot_names(
110 vm, at::ARGUMENT_MODIFIER_NONE, &arg_index, &pool_name, &image_name,
111 &snap_name, utils::SNAPSHOT_PRESENCE_PERMITTED,
112 utils::SPEC_VALIDATION_NONE);
117 std::vector<const char*> args;
119 args.push_back("map");
121 img.append(pool_name);
123 img.append(image_name);
124 if (!snap_name.empty()) {
126 img.append(snap_name);
128 args.push_back(img.c_str());
130 if (vm["read-only"].as<bool>())
131 args.push_back("--read-only");
133 if (vm["exclusive"].as<bool>())
134 args.push_back("--exclusive");
136 if (vm.count("device")) {
137 args.push_back("--device");
138 args.push_back(vm["device"].as<std::string>().c_str());
141 return call_ggate_cmd(vm, args);
144 void get_unmap_arguments(po::options_description *positional,
145 po::options_description *options)
147 positional->add_options()
148 ("device-spec", "specify ggate device");
151 int execute_unmap(const po::variables_map &vm)
153 std::string device_name = utils::get_positional_argument(vm, 0);
154 if (!boost::starts_with(device_name, "/dev/")) {
158 if (device_name.empty()) {
159 std::cerr << "rbd: ggate unmap requires device path" << std::endl;
163 std::vector<const char*> args;
165 args.push_back("unmap");
166 args.push_back(device_name.c_str());
168 return call_ggate_cmd(vm, args);
171 Shell::SwitchArguments switched_arguments({"read-only", "exclusive"});
173 Shell::Action action_list(
174 {"ggate", "list"}, {"ggate", "ls"}, "List mapped ggate devices.", "",
175 &get_list_arguments, &execute_list);
177 Shell::Action action_map(
178 {"ggate", "map"}, {}, "Map an image to a ggate device.", "",
179 &get_map_arguments, &execute_map);
181 Shell::Action action_unmap(
182 {"ggate", "unmap"}, {}, "Unmap a ggate device.", "",
183 &get_unmap_arguments, &execute_unmap);
186 } // namespace action