#include "common/Formatter.h"
#include "common/TextTable.h"
-#include "common/config_proxy.h"
+#include "common/ceph_context.h"
+#include "common/ceph_json.h"
+#include "common/escape.h"
#include "common/errno.h"
+#include "common/options.h"
+#include "global/global_context.h"
+#include "include/stringify.h"
#include "tools/rbd/ArgumentTypes.h"
#include "tools/rbd/Shell.h"
#include "tools/rbd/Utils.h"
#include <iostream>
+
+#include <boost/algorithm/string/predicate.hpp>
#include <boost/program_options.hpp>
namespace rbd {
const std::string METADATA_CONF_PREFIX = "conf_";
const uint32_t MAX_KEYS = 64;
+void add_config_entity_option(
+ boost::program_options::options_description *positional) {
+ positional->add_options()
+ ("config-entity", "config entity (global, client, client.<id>)");
+}
+
void add_pool_option(boost::program_options::options_description *positional) {
positional->add_options()
("pool-name", "pool name");
("key", "config key");
}
+int get_config_entity(const po::variables_map &vm, std::string *config_entity) {
+ *config_entity = utils::get_positional_argument(vm, 0);
+
+ if (*config_entity != "global" && *config_entity != "client" &&
+ !boost::starts_with(*config_entity, ("client."))) {
+ std::cerr << "rbd: invalid config entity: " << *config_entity
+ << " (must be global, client or client.<id>)" << std::endl;
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
int get_pool(const po::variables_map &vm, std::string *pool_name) {
*pool_name = utils::get_positional_argument(vm, 0);
if (pool_name->empty()) {
std::cerr << "rbd: config key was not specified" << std::endl;
return -EINVAL;
}
+
+ if (!boost::starts_with(*key, "rbd_")) {
+ std::cerr << "rbd: not rbd option: " << *key << std::endl;
+ return -EINVAL;
+ }
+
+ std::string value;
+ int r = g_ceph_context->_conf.get_val(key->c_str(), &value);
+ if (r < 0) {
+ std::cerr << "rbd: invalid config key: " << *key << std::endl;
+ return -EINVAL;
+ }
+
return 0;
}
return os;
}
+int config_global_list(
+ librados::Rados &rados, const std::string &config_entity,
+ std::map<std::string, std::pair<std::string, std::string>> *options) {
+ bool client_id_config_entity =
+ boost::starts_with(config_entity, ("client."));
+ std::string cmd =
+ "{"
+ "\"prefix\": \"config dump\", "
+ "\"format\": \"json\" "
+ "}";
+ bufferlist in_bl;
+ bufferlist out_bl;
+ std::string ss;
+ int r = rados.mon_command(cmd, in_bl, &out_bl, &ss);
+ if (r < 0) {
+ std::cerr << "rbd: error reading config: " << ss << std::endl;
+ return r;
+ }
+
+ json_spirit::mValue json_root;
+ if (!json_spirit::read(out_bl.to_str(), json_root)) {
+ std::cerr << "rbd: error parsing config dump" << std::endl;
+ return -EINVAL;
+ }
+
+ try {
+ auto &json_array = json_root.get_array();
+ for (auto& e : json_array) {
+ auto &json_obj = e.get_obj();
+ std::string section;
+ std::string name;
+ std::string value;
+
+ for (auto &pairs : json_obj) {
+ if (pairs.first == "section") {
+ section = pairs.second.get_str();
+ } else if (pairs.first == "name") {
+ name = pairs.second.get_str();
+ } else if (pairs.first == "value") {
+ value = pairs.second.get_str();
+ }
+ }
+
+ if (!boost::starts_with(name, "rbd_")) {
+ continue;
+ }
+ if (section != "global" && section != "client" &&
+ (!client_id_config_entity || section != config_entity)) {
+ continue;
+ }
+ if (config_entity == "global" && section != "global") {
+ continue;
+ }
+ auto it = options->find(name);
+ if (it == options->end()) {
+ (*options)[name] = {value, section};
+ continue;
+ }
+ if (section == "client") {
+ if (it->second.second == "global") {
+ it->second = {value, section};
+ }
+ } else if (client_id_config_entity) {
+ it->second = {value, section};
+ }
+ }
+ } catch (std::runtime_error &e) {
+ std::cerr << "rbd: error parsing config dump: " << e.what() << std::endl;
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
} // anonymous namespace
+void get_global_get_arguments(po::options_description *positional,
+ po::options_description *options) {
+ add_config_entity_option(positional);
+ add_key_option(positional);
+}
+
+int execute_global_get(const po::variables_map &vm,
+ const std::vector<std::string> &ceph_global_init_args) {
+ std::string config_entity;
+ int r = get_config_entity(vm, &config_entity);
+ if (r < 0) {
+ return r;
+ }
+
+ std::string key;
+ r = get_key(vm, &key);
+ if (r < 0) {
+ return r;
+ }
+
+ librados::Rados rados;
+ r = utils::init_rados(&rados);
+ if (r < 0) {
+ return r;
+ }
+
+ std::map<std::string, std::pair<std::string, std::string>> options;
+ r = config_global_list(rados, config_entity, &options);
+ if (r < 0) {
+ return r;
+ }
+
+ auto it = options.find(key);
+
+ if (it == options.end() || it->second.second != config_entity) {
+ std::cerr << "rbd: " << key << " is not set" << std::endl;
+ return -ENOENT;
+ }
+
+ std::cout << it->second.first << std::endl;
+ return 0;
+}
+
+void get_global_set_arguments(po::options_description *positional,
+ po::options_description *options) {
+ add_config_entity_option(positional);
+ add_key_option(positional);
+ positional->add_options()
+ ("value", "config value");
+}
+
+int execute_global_set(const po::variables_map &vm,
+ const std::vector<std::string> &ceph_global_init_args) {
+ std::string config_entity;
+ int r = get_config_entity(vm, &config_entity);
+ if (r < 0) {
+ return r;
+ }
+
+ std::string key;
+ r = get_key(vm, &key);
+ if (r < 0) {
+ return r;
+ }
+
+ librados::Rados rados;
+ r = utils::init_rados(&rados);
+ if (r < 0) {
+ return r;
+ }
+
+ std::string value = utils::get_positional_argument(vm, 2);
+ std::string cmd =
+ "{"
+ "\"prefix\": \"config set\", "
+ "\"who\": \"" + stringify(json_stream_escaper(config_entity)) + "\", "
+ "\"name\": \"" + key + "\", "
+ "\"value\": \"" + stringify(json_stream_escaper(value)) + "\""
+ "}";
+ bufferlist in_bl;
+ std::string ss;
+ r = rados.mon_command(cmd, in_bl, nullptr, &ss);
+ if (r < 0) {
+ std::cerr << "rbd: error setting " << key << ": " << ss << std::endl;
+ return r;
+ }
+
+ return 0;
+}
+
+void get_global_remove_arguments(po::options_description *positional,
+ po::options_description *options) {
+ add_config_entity_option(positional);
+ add_key_option(positional);
+}
+
+int execute_global_remove(
+ const po::variables_map &vm,
+ const std::vector<std::string> &ceph_global_init_args) {
+ std::string config_entity;
+ int r = get_config_entity(vm, &config_entity);
+ if (r < 0) {
+ return r;
+ }
+
+ std::string key;
+ r = get_key(vm, &key);
+ if (r < 0) {
+ return r;
+ }
+
+ librados::Rados rados;
+ r = utils::init_rados(&rados);
+ if (r < 0) {
+ return r;
+ }
+
+ std::string cmd =
+ "{"
+ "\"prefix\": \"config rm\", "
+ "\"who\": \"" + stringify(json_stream_escaper(config_entity)) + "\", "
+ "\"name\": \"" + key + "\""
+ "}";
+ bufferlist in_bl;
+ std::string ss;
+ r = rados.mon_command(cmd, in_bl, nullptr, &ss);
+ if (r < 0) {
+ std::cerr << "rbd: error removing " << key << ": " << ss << std::endl;
+ return r;
+ }
+
+ return 0;
+}
+
+void get_global_list_arguments(po::options_description *positional,
+ po::options_description *options) {
+ add_config_entity_option(positional);
+ at::add_format_options(options);
+}
+
+int execute_global_list(const po::variables_map &vm,
+ const std::vector<std::string> &ceph_global_init_args) {
+ std::string config_entity;
+ int r = get_config_entity(vm, &config_entity);
+ if (r < 0) {
+ return r;
+ }
+
+ at::Format::Formatter f;
+ r = utils::get_formatter(vm, &f);
+ if (r < 0) {
+ return r;
+ }
+
+ librados::Rados rados;
+ r = utils::init_rados(&rados);
+ if (r < 0) {
+ return r;
+ }
+
+ std::map<std::string, std::pair<std::string, std::string>> options;
+ r = config_global_list(rados, config_entity, &options);
+ if (r < 0) {
+ return r;
+ }
+
+ if (options.empty() && !f) {
+ return 0;
+ }
+
+ TextTable tbl;
+
+ if (f) {
+ f->open_array_section("config");
+ } else {
+ tbl.define_column("Name", TextTable::LEFT, TextTable::LEFT);
+ tbl.define_column("Value", TextTable::LEFT, TextTable::LEFT);
+ tbl.define_column("Section", TextTable::LEFT, TextTable::LEFT);
+ }
+
+ for (const auto &it : options) {
+ if (f) {
+ f->open_object_section("option");
+ f->dump_string("name", it.first);
+ f->dump_string("value", it.second.first);
+ f->dump_string("section", it.second.second);
+ f->close_section();
+ } else {
+ tbl << it.first << it.second.first << it.second.second
+ << TextTable::endrow;
+ }
+ }
+
+ if (f) {
+ f->close_section();
+ f->flush(std::cout);
+ } else {
+ std::cout << tbl;
+ }
+
+ return 0;
+}
+
void get_pool_get_arguments(po::options_description *positional,
po::options_description *options) {
add_pool_option(positional);
f->close_section();
f->flush(std::cout);
} else {
- std::cout << std::endl << tbl;
+ std::cout << tbl;
}
return 0;
f->close_section();
f->flush(std::cout);
} else {
- std::cout << std::endl << tbl;
+ std::cout << tbl;
}
return 0;
}
+Shell::Action action_global_get(
+ {"config", "global", "get"}, {},
+ "Get a global-level configuration override.", "",
+ &get_global_get_arguments, &execute_global_get);
+Shell::Action action_global_set(
+ {"config", "global", "set"}, {},
+ "Set a global-level configuration override.", "",
+ &get_global_set_arguments, &execute_global_set);
+Shell::Action action_global_remove(
+ {"config", "global", "remove"}, {"config", "global", "rm"},
+ "Remove a global-level configuration override.", "",
+ &get_global_remove_arguments, &execute_global_remove);
+Shell::Action action_global_list(
+ {"config", "global", "list"}, {"config", "global", "ls"},
+ "List global-level configuration overrides.", "",
+ &get_global_list_arguments, &execute_global_list);
+
Shell::Action action_pool_get(
{"config", "pool", "get"}, {}, "Get a pool-level configuration override.", "",
&get_pool_get_arguments, &execute_pool_get);
projects / ceph.git / commitdiff