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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2012 Inktank, Inc.
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License kkjversion 2.1, as published by the Free Software
* Foundation. See file COPYING.
*/
#include <boost/program_options/variables_map.hpp>
#include <boost/program_options/parsers.hpp>
#include <stdlib.h>
#include <string>
#include "common/errno.h"
#include "global/global_init.h"
#include "os/DBObjectMap.h"
#include "kv/KeyValueDB.h"
using namespace std;
namespace po = boost::program_options;
int main(int argc, char **argv) {
po::options_description desc("Allowed options");
string store_path, cmd, oid, backend;
bool debug = false;
desc.add_options()
("help", "produce help message")
("omap-path", po::value<string>(&store_path),
"path to omap directory, mandatory (current/omap usually)")
("paranoid", "use paranoid checking")
("debug", "Additional debug output from DBObjectMap")
("oid", po::value<string>(&oid), "Restrict to this object id when dumping objects")
("command", po::value<string>(&cmd),
"command arg is one of [dump-raw-keys, dump-raw-key-vals, dump-objects, dump-objects-with-keys, check, dump-headers, repair, compact], mandatory")
("backend", po::value<string>(&backend),
"DB backend (default rocksdb)")
;
po::positional_options_description p;
p.add("command", 1);
vector<string> ceph_option_strings;
po::variables_map vm;
try {
po::parsed_options parsed =
po::command_line_parser(argc, argv).options(desc).positional(p).allow_unregistered().run();
po::store(
parsed,
vm);
po::notify(vm);
ceph_option_strings = po::collect_unrecognized(parsed.options,
po::include_positional);
} catch(po::error &e) {
std::cerr << e.what() << std::endl;
return 1;
}
vector<const char *> ceph_options;
ceph_options.reserve(ceph_option_strings.size());
for (vector<string>::iterator i = ceph_option_strings.begin();
i != ceph_option_strings.end();
++i) {
ceph_options.push_back(i->c_str());
}
if (vm.count("debug")) debug = true;
if (vm.count("help")) {
std::cerr << desc << std::endl;
return 1;
}
auto cct = global_init(
NULL, ceph_options, CEPH_ENTITY_TYPE_OSD,
CODE_ENVIRONMENT_UTILITY_NODOUT, 0);
common_init_finish(g_ceph_context);
cct->_conf.apply_changes(nullptr);
if (debug) {
g_conf().set_val_or_die("log_to_stderr", "true");
g_conf().set_val_or_die("err_to_stderr", "true");
}
g_conf().apply_changes(nullptr);
if (vm.count("omap-path") == 0) {
std::cerr << "Required argument --omap-path" << std::endl;
return 1;
}
if (vm.count("command") == 0) {
std::cerr << "Required argument --command" << std::endl;
return 1;
}
if (vm.count("backend") == 0) {
backend = "rocksdb";
}
KeyValueDB* store(KeyValueDB::create(g_ceph_context, backend, store_path));
if (store == NULL) {
std::cerr << "Invalid backend '" << backend << "' specified" << std::endl;
return 1;
}
/*if (vm.count("paranoid")) {
std::cerr << "Enabling paranoid checks" << std::endl;
store->options.paranoid_checks = true;
}*/
DBObjectMap omap(cct.get(), store);
stringstream out;
int r = store->open(out);
if (r < 0) {
std::cerr << "Store open got: " << cpp_strerror(r) << std::endl;
std::cerr << "Output: " << out.str() << std::endl;
return r;
}
// We don't call omap.init() here because it will repair
// the DBObjectMap which we might want to examine for diagnostic
// reasons. Instead use --command repair.
omap.get_state();
std::cout << "Version: " << (int)omap.state.v << std::endl;
std::cout << "Seq: " << omap.state.seq << std::endl;
std::cout << "legacy: " << (omap.state.legacy ? "true" : "false") << std::endl;
if (cmd == "dump-raw-keys") {
KeyValueDB::WholeSpaceIterator i = store->get_wholespace_iterator();
for (i->seek_to_first(); i->valid(); i->next()) {
std::cout << i->raw_key() << std::endl;
}
return 0;
} else if (cmd == "dump-raw-key-vals") {
KeyValueDB::WholeSpaceIterator i = store->get_wholespace_iterator();
for (i->seek_to_first(); i->valid(); i->next()) {
std::cout << i->raw_key() << std::endl;
i->value().hexdump(std::cout);
}
return 0;
} else if (cmd == "dump-objects") {
vector<ghobject_t> objects;
r = omap.list_objects(&objects);
if (r < 0) {
std::cerr << "list_objects got: " << cpp_strerror(r) << std::endl;
return r;
}
for (vector<ghobject_t>::iterator i = objects.begin();
i != objects.end();
++i) {
if (vm.count("oid") != 0 && i->hobj.oid.name != oid)
continue;
std::cout << *i << std::endl;
}
return 0;
} else if (cmd == "dump-objects-with-keys") {
vector<ghobject_t> objects;
r = omap.list_objects(&objects);
if (r < 0) {
std::cerr << "list_objects got: " << cpp_strerror(r) << std::endl;
return r;
}
for (vector<ghobject_t>::iterator i = objects.begin();
i != objects.end();
++i) {
if (vm.count("oid") != 0 && i->hobj.oid.name != oid)
continue;
std::cout << "Object: " << *i << std::endl;
ObjectMap::ObjectMapIterator j = omap.get_iterator(ghobject_t(i->hobj));
for (j->seek_to_first(); j->valid(); j->next()) {
std::cout << j->key() << std::endl;
j->value().hexdump(std::cout);
}
}
return 0;
} else if (cmd == "check" || cmd == "repair") {
ostringstream ss;
bool repair = (cmd == "repair");
r = omap.check(ss, repair, true);
if (r) {
std::cerr << ss.str() << std::endl;
if (r > 0) {
std::cerr << "check got " << r << " error(s)" << std::endl;
return 1;
}
}
std::cout << (repair ? "repair" : "check") << " succeeded" << std::endl;
return 0;
} else if (cmd == "dump-headers") {
vector<DBObjectMap::_Header> headers;
r = omap.list_object_headers(&headers);
if (r < 0) {
std::cerr << "list_object_headers got: " << cpp_strerror(r) << std::endl;
return 1;
}
for (auto i : headers)
std::cout << i << std::endl;
return 0;
} else if (cmd == "resetv2") {
omap.state.v = 2;
omap.state.legacy = false;
omap.set_state();
} else if (cmd == "compact") {
omap.compact();
return 0;
} else {
std::cerr << "Did not recognize command " << cmd << std::endl;
return 1;
}
}
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