diff options
Diffstat (limited to 'src/tools/rbd/action/Ggate.cc')
| -rw-r--r-- | src/tools/rbd/action/Ggate.cc | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/src/tools/rbd/action/Ggate.cc b/src/tools/rbd/action/Ggate.cc new file mode 100644 index 00000000..61f77be2 --- /dev/null +++ b/src/tools/rbd/action/Ggate.cc @@ -0,0 +1,193 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#include <sys/param.h> +#include <errno.h> +#include <unistd.h> + +#include "include/stringify.h" +#include "common/SubProcess.h" + +#include "tools/rbd/ArgumentTypes.h" +#include "tools/rbd/Shell.h" +#include "tools/rbd/Utils.h" + +#include <boost/algorithm/string.hpp> +#include <boost/algorithm/string/predicate.hpp> +#include <boost/program_options.hpp> + +#include <iostream> + +namespace rbd { +namespace action { +namespace ggate { + +namespace at = argument_types; +namespace po = boost::program_options; + +static int call_ggate_cmd(const po::variables_map &vm, + const std::vector<std::string> &args, + const std::vector<std::string> &ceph_global_args) { + SubProcess process("rbd-ggate", SubProcess::KEEP, SubProcess::KEEP, + SubProcess::KEEP); + + for (auto &arg : ceph_global_args) { + process.add_cmd_arg(arg.c_str()); + } + + for (auto &arg : args) { + process.add_cmd_arg(arg.c_str()); + } + + if (process.spawn()) { + std::cerr << "rbd: failed to run rbd-ggate: " << process.err() << std::endl; + return -EINVAL; + } else if (process.join()) { + std::cerr << "rbd: rbd-ggate failed with error: " << process.err() + << std::endl; + return -EINVAL; + } + + return 0; +} + +int get_image_or_snap_spec(const po::variables_map &vm, std::string *spec) { + size_t arg_index = 0; + std::string pool_name; + std::string nspace_name; + std::string image_name; + std::string snap_name; + int r = utils::get_pool_image_snapshot_names( + vm, at::ARGUMENT_MODIFIER_NONE, &arg_index, &pool_name, &nspace_name, + &image_name, &snap_name, true, + utils::SNAPSHOT_PRESENCE_PERMITTED, utils::SPEC_VALIDATION_NONE); + if (r < 0) { + return r; + } + + spec->append(pool_name); + spec->append("/"); + if (!nspace_name.empty()) { + spec->append(nspace_name); + spec->append("/"); + } + spec->append(image_name); + if (!snap_name.empty()) { + spec->append("@"); + spec->append(snap_name); + } + + return 0; +} + +int parse_options(const std::vector<std::string> &options, + std::vector<std::string> *args) { + for (auto &opts : options) { + std::vector<std::string> args_; + boost::split(args_, opts, boost::is_any_of(",")); + for (auto &o : args_) { + args->push_back("--" + o); + } + } + + return 0; +} + +int execute_list(const po::variables_map &vm, + const std::vector<std::string> &ceph_global_init_args) { +#if !defined(__FreeBSD__) + std::cerr << "rbd: ggate is only supported on FreeBSD" << std::endl; + return -EOPNOTSUPP; +#endif + std::vector<std::string> args; + + args.push_back("list"); + + if (vm.count("format")) { + args.push_back("--format"); + args.push_back(vm["format"].as<at::Format>().value); + } + if (vm["pretty-format"].as<bool>()) { + args.push_back("--pretty-format"); + } + + return call_ggate_cmd(vm, args, ceph_global_init_args); +} + +int execute_map(const po::variables_map &vm, + const std::vector<std::string> &ceph_global_init_args) { +#if !defined(__FreeBSD__) + std::cerr << "rbd: ggate is only supported on FreeBSD" << std::endl; + return -EOPNOTSUPP; +#endif + std::vector<std::string> args; + + args.push_back("map"); + std::string img; + int r = get_image_or_snap_spec(vm, &img); + if (r < 0) { + return r; + } + args.push_back(img); + + if (vm["read-only"].as<bool>()) { + args.push_back("--read-only"); + } + + if (vm["exclusive"].as<bool>()) { + args.push_back("--exclusive"); + } + + if (vm.count("options")) { + r = parse_options(vm["options"].as<std::vector<std::string>>(), &args); + if (r < 0) { + return r; + } + } + + return call_ggate_cmd(vm, args, ceph_global_init_args); +} + +int execute_unmap(const po::variables_map &vm, + const std::vector<std::string> &ceph_global_init_args) { +#if !defined(__FreeBSD__) + std::cerr << "rbd: ggate is only supported on FreeBSD" << std::endl; + return -EOPNOTSUPP; +#endif + std::string device_name = utils::get_positional_argument(vm, 0); + if (!boost::starts_with(device_name, "/dev/")) { + device_name.clear(); + } + + std::string image_name; + if (device_name.empty()) { + int r = get_image_or_snap_spec(vm, &image_name); + if (r < 0) { + return r; + } + } + + if (device_name.empty() && image_name.empty()) { + std::cerr << "rbd: unmap requires either image name or device path" + << std::endl; + return -EINVAL; + } + + std::vector<std::string> args; + + args.push_back("unmap"); + args.push_back(device_name.empty() ? image_name : device_name); + + if (vm.count("options")) { + int r = parse_options(vm["options"].as<std::vector<std::string>>(), &args); + if (r < 0) { + return r; + } + } + + return call_ggate_cmd(vm, args, ceph_global_init_args); +} + +} // namespace ggate +} // namespace action +} // namespace rbd |