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Diffstat (limited to 'src/tools/monmaptool.cc')
-rw-r--r-- | src/tools/monmaptool.cc | 478 |
1 files changed, 478 insertions, 0 deletions
diff --git a/src/tools/monmaptool.cc b/src/tools/monmaptool.cc new file mode 100644 index 000000000..667e333bc --- /dev/null +++ b/src/tools/monmaptool.cc @@ -0,0 +1,478 @@ +// -*- 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) 2004-2006 Sage Weil <sage@newdream.net> + * + * This is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software + * Foundation. See file COPYING. + * + */ +#include <string> + +#include "common/ceph_argparse.h" +#include "common/errno.h" + +#include "global/global_init.h" +#include "include/str_list.h" +#include "mon/MonMap.h" + + +void usage() +{ + cout << "usage: monmaptool [--print] [--create [--clobber] [--fsid uuid]]\n" + << " [--enable-all-features]\n" + << " [--generate] [--set-initial-members]\n" + << " [--add name 1.2.3.4:567] [--rm name]\n" + << " [--addv name [v2:1.2.4.5:567,v1:1.2.3.4:568]]\n" + << " [--feature-list [plain|parseable]]\n" + << " [--feature-set <value> [--optional|--persistent]]\n" + << " [--feature-unset <value> [--optional|--persistent]]\n" + << " [--set-min-mon-release <release-major-number>]\n" + << " <mapfilename>" + << std::endl; +} + +void helpful_exit() +{ + cerr << "monmaptool -h for usage" << std::endl; + exit(1); +} + +struct feature_op_t { + enum type_t { + PERSISTENT, + OPTIONAL, + PLAIN, + PARSEABLE, + NONE + }; + + enum op_t { + OP_SET, + OP_UNSET, + OP_LIST + }; + + op_t op; + type_t type; + mon_feature_t feature; + + feature_op_t() : op(OP_LIST), type(NONE) { } + // default to 'persistent' feature if not specified + feature_op_t(op_t o) : op(o), type(PERSISTENT) { } + feature_op_t(op_t o, type_t t) : op(o), type(t) { } + feature_op_t(op_t o, type_t t, mon_feature_t &f) : + op(o), type(t), feature(t) { } + + void set_optional() { + type = OPTIONAL; + } + void set_persistent() { + type = PERSISTENT; + } + bool parse_value(string &s, ostream *errout = NULL) { + + feature = ceph::features::mon::get_feature_by_name(s); + if (feature != ceph::features::mon::FEATURE_NONE) { + return true; + } + + // try parsing as numerical value + uint64_t feature_val; + string interr; + feature_val = strict_strtoll(s.c_str(), 10, &interr); + if (!interr.empty()) { + if (errout) { + *errout << "unknown features name '" << s + << "' or unable to parse value: " << interr << std::endl; + } + return false; + } + feature = mon_feature_t(feature_val); + return true; + } +}; + +void features_list(feature_op_t &f, MonMap &m) +{ + if (f.type == feature_op_t::type_t::PLAIN) { + + cout << "MONMAP FEATURES:" << std::endl; + cout << " persistent: "; + m.persistent_features.print_with_value(cout); + cout << std::endl; + cout << " optional: "; + m.optional_features.print_with_value(cout); + cout << std::endl; + cout << " required: "; + m.get_required_features().print_with_value(cout); + cout << std::endl; + + cout << std::endl; + cout << "AVAILABLE FEATURES:" << std::endl; + cout << " supported: "; + ceph::features::mon::get_supported().print_with_value(cout); + cout << std::endl; + cout << " persistent: "; + ceph::features::mon::get_persistent().print_with_value(cout); + cout << std::endl; + } else if (f.type == feature_op_t::type_t::PARSEABLE) { + + cout << "monmap:persistent:"; + m.persistent_features.print_with_value(cout); + cout << std::endl; + cout << "monmap:optional:"; + m.optional_features.print_with_value(cout); + cout << std::endl; + cout << "monmap:required:"; + m.get_required_features().print_with_value(cout); + cout << std::endl; + cout << "available:supported:"; + ceph::features::mon::get_supported().print_with_value(cout); + cout << std::endl; + cout << "available:persistent:"; + ceph::features::mon::get_persistent().print_with_value(cout); + cout << std::endl; + } +} + +bool handle_features(list<feature_op_t>& lst, MonMap &m) +{ + if (lst.empty()) + return false; + + bool modified = false; + + for (auto &f : lst) { + if (f.op == feature_op_t::op_t::OP_LIST) { + features_list(f, m); + } else if (f.op == feature_op_t::op_t::OP_SET || + f.op == feature_op_t::op_t::OP_UNSET) { + + modified = true; + + mon_feature_t &target = + ( f.type == feature_op_t::type_t::OPTIONAL ? + m.optional_features : m.persistent_features ); + + if (f.op == feature_op_t::op_t::OP_SET) { + target.set_feature(f.feature); + } else { + target.unset_feature(f.feature); + } + } else { + cerr << "unknown feature operation type '" << f.op << "'" << std::endl; + } + } + return modified; +} + +int main(int argc, const char **argv) +{ + vector<const char*> args; + argv_to_vec(argc, argv, args); + if (args.empty()) { + cerr << argv[0] << ": -h or --help for usage" << std::endl; + exit(1); + } + if (ceph_argparse_need_usage(args)) { + usage(); + exit(0); + } + + const char *me = argv[0]; + + std::string fn; + bool print = false; + bool create = false; + bool enable_all_features = false; + bool clobber = false; + bool modified = false; + bool show_features = false; + bool generate = false; + bool filter = false; + ceph_release_t min_mon_release{0}; + map<string,entity_addr_t> add; + map<string,entity_addrvec_t> addv; + list<string> rm; + list<feature_op_t> features; + + auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT, + CODE_ENVIRONMENT_UTILITY, + CINIT_FLAG_NO_DEFAULT_CONFIG_FILE); + common_init_finish(g_ceph_context); + std::string val; + for (std::vector<const char*>::iterator i = args.begin(); i != args.end(); ) { + if (ceph_argparse_double_dash(args, i)) { + break; + } else if (ceph_argparse_flag(args, i, "-p", "--print", (char*)NULL)) { + print = true; + } else if (ceph_argparse_flag(args, i, "--create", (char*)NULL)) { + create = true; + } else if (ceph_argparse_flag(args, i, "--enable-all-features", (char*)NULL)) { + enable_all_features = true; + } else if (ceph_argparse_flag(args, i, "--clobber", (char*)NULL)) { + clobber = true; + } else if (ceph_argparse_flag(args, i, "--generate", (char*)NULL)) { + generate = true; + } else if (ceph_argparse_flag(args, i, "--set-initial-members", (char*)NULL)) { + filter = true; + } else if (ceph_argparse_witharg(args, i, &val, "--set-min-mon-release", + (char*)NULL)) { + min_mon_release = ceph_release_from_name(val); + } else if (ceph_argparse_flag(args, i, "--add", (char*)NULL)) { + string name = *i; + i = args.erase(i); + if (i == args.end()) + helpful_exit(); + entity_addr_t addr; + if (!addr.parse(string_view{*i})) { + // Either we couldn't parse the address or we didn't consume the entire token + cerr << me << ": invalid ip:port '" << *i << "'" << std::endl; + return -1; + } + add[name] = addr; + modified = true; + i = args.erase(i); + } else if (ceph_argparse_flag(args, i, "--addv", (char*)NULL)) { + string name = *i; + i = args.erase(i); + if (i == args.end()) + helpful_exit(); + entity_addrvec_t addrs; + if (!addrs.parse(*i)) { + cerr << me << ": invalid ip:port '" << *i << "'" << std::endl; + return -1; + } + addv[name] = addrs; + modified = true; + i = args.erase(i); + } else if (ceph_argparse_witharg(args, i, &val, "--rm", (char*)NULL)) { + rm.push_back(val); + modified = true; + } else if (ceph_argparse_flag(args, i, "--feature-list", (char*)NULL)) { + string format = *i; + if (format == "plain" || format == "parseable") { + i = args.erase(i); + } else { + format = "plain"; + } + + feature_op_t f(feature_op_t::op_t::OP_LIST, + feature_op_t::type_t::PLAIN); + + if (format == "parseable") { + f.type = feature_op_t::type_t::PARSEABLE; + } else if (format != "plain") { + cerr << "invalid format type for list: '" << val << "'" << std::endl; + helpful_exit(); + } + + features.push_back(f); + show_features = true; + } else if (ceph_argparse_witharg(args, i, &val, + "--feature-set", (char*)NULL)) { + // parse value + feature_op_t f(feature_op_t::op_t::OP_SET); + if (!f.parse_value(val, &cerr)) { + helpful_exit(); + } + features.push_back(f); + + } else if (ceph_argparse_witharg(args, i, &val, + "--feature-unset", (char*)NULL)) { + // parse value + feature_op_t f(feature_op_t::op_t::OP_UNSET); + if (!f.parse_value(val, &cerr)) { + helpful_exit(); + } + features.push_back(f); + } else if (ceph_argparse_flag(args, i, "--optional", (char*)NULL)) { + if (features.empty()) { + helpful_exit(); + } + features.back().set_optional(); + } else if (ceph_argparse_flag(args, i, "--persistent", (char*)NULL)) { + if (features.empty()) { + helpful_exit(); + } + features.back().set_persistent(); + } else { + ++i; + } + } + if (args.empty()) { + cerr << me << ": must specify monmap filename" << std::endl; + helpful_exit(); + } + else if (args.size() > 1) { + cerr << me << ": too many arguments" << std::endl; + helpful_exit(); + } + fn = args[0]; + + MonMap monmap; + + cout << me << ": monmap file " << fn << std::endl; + + int r = 0; + if (!(create && clobber)) { + try { + r = monmap.read(fn.c_str()); + } catch (...) { + cerr << me << ": unable to read monmap file" << std::endl; + return -1; + } + } + + if (!create && r < 0) { + cerr << me << ": couldn't open " << fn << ": " << cpp_strerror(r) << std::endl; + return -1; + } + else if (create && !clobber && r == 0) { + cerr << me << ": " << fn << " exists, --clobber to overwrite" << std::endl; + return -1; + } + + if (create) { + monmap.epoch = 0; + monmap.created = ceph_clock_now(); + monmap.last_changed = monmap.created; + srand(getpid() + time(0)); + if (g_conf().get_val<uuid_d>("fsid").is_zero()) { + monmap.generate_fsid(); + cout << me << ": generated fsid " << monmap.fsid << std::endl; + } + monmap.strategy = static_cast<MonMap::election_strategy>( + g_conf().get_val<uint64_t>("mon_election_default_strategy")); + // TODO: why do we not use build_initial in our normal path here!?!?! + modified = true; + } + if (enable_all_features) { + // populate persistent features, too + monmap.persistent_features = ceph::features::mon::get_persistent(); + modified = true; + } + + if (generate) { + int r = monmap.build_initial(g_ceph_context, true, cerr); + if (r < 0) + return r; + } + + if (min_mon_release != ceph_release_t::unknown) { + monmap.min_mon_release = min_mon_release; + cout << "setting min_mon_release = " << min_mon_release << std::endl; + modified = true; + } + + if (filter) { + // apply initial members + list<string> initial_members; + get_str_list(g_conf()->mon_initial_members, initial_members); + if (!initial_members.empty()) { + cout << "initial_members " << initial_members << ", filtering seed monmap" << std::endl; + set<entity_addrvec_t> removed; + monmap.set_initial_members(g_ceph_context, initial_members, + string(), entity_addrvec_t(), + &removed); + cout << "removed " << removed << std::endl; + } + modified = true; + } + + if (!g_conf().get_val<uuid_d>("fsid").is_zero()) { + monmap.fsid = g_conf().get_val<uuid_d>("fsid"); + cout << me << ": set fsid to " << monmap.fsid << std::endl; + modified = true; + } + + for (auto& p : add) { + entity_addr_t addr = p.second; + entity_addrvec_t addrs; + if (monmap.contains(p.first)) { + cerr << me << ": map already contains mon." << p.first << std::endl; + helpful_exit(); + } + if (addr.get_port() == 0) { + if (monmap.persistent_features.contains_all( + ceph::features::mon::FEATURE_NAUTILUS)) { + addr.set_type(entity_addr_t::TYPE_MSGR2); + addr.set_port(CEPH_MON_PORT_IANA); + addrs.v.push_back(addr); + addr.set_type(entity_addr_t::TYPE_LEGACY); + addr.set_port(CEPH_MON_PORT_LEGACY); + addrs.v.push_back(addr); + } else { + addr.set_type(entity_addr_t::TYPE_LEGACY); + addr.set_port(CEPH_MON_PORT_LEGACY); + addrs.v.push_back(addr); + } + } else if (addr.get_port() == CEPH_MON_PORT_LEGACY) { + addr.set_type(entity_addr_t::TYPE_LEGACY); + addrs.v.push_back(addr); + } else { + if (monmap.persistent_features.contains_all( + ceph::features::mon::FEATURE_NAUTILUS)) { + addr.set_type(entity_addr_t::TYPE_MSGR2); + } + addrs.v.push_back(addr); + } + if (monmap.contains(addrs)) { + cerr << me << ": map already contains " << addrs << std::endl; + helpful_exit(); + } + monmap.add(p.first, addrs); + } + for (auto& p : addv) { + if (monmap.contains(p.first)) { + cerr << me << ": map already contains mon." << p.first << std::endl; + helpful_exit(); + } + if (monmap.contains(p.second)) { + cerr << me << ": map already contains " << p.second << std::endl; + helpful_exit(); + } + monmap.add(p.first, p.second); + } + for (auto& p : rm) { + cout << me << ": removing " << p << std::endl; + if (!monmap.contains(p)) { + cerr << me << ": map does not contain " << p << std::endl; + helpful_exit(); + } + monmap.remove(p); + } + + if (handle_features(features, monmap)) { + modified = true; + } + + if (!print && !modified && !show_features) { + cerr << "no action specified" << std::endl; + helpful_exit(); + } + + if (print) + monmap.print(cout); + + if (modified) { + // write it out + cout << me << ": writing epoch " << monmap.epoch + << " to " << fn + << " (" << monmap.size() << " monitors)" + << std::endl; + int r = monmap.write(fn.c_str()); + if (r < 0) { + cerr << "monmaptool: error writing to '" << fn << "': " << cpp_strerror(r) << std::endl; + return 1; + } + } + + + return 0; +} |