1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 * Ceph - scalable distributed file system
6 * Copyright (C) 2004-2010 Dreamhost
8 * This is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License version 2.1, as published by the Free Software
11 * Foundation. See file COPYING.
17 #include "common/ceph_argparse.h"
18 #include "global/global_init.h"
19 #include "mon/AuthMonitor.h"
26 // TODO: add generic_usage once cerr/derr issues are resolved
27 cerr << "Ceph configuration query tool\n\
30 ceph-conf <flags> <action>\n\
33 -L|--list-all-sections List all sections\n\
34 -l|--list-sections <prefix> List sections with the given prefix\n\
35 --filter-key <key> Filter section list to only include sections\n\
36 with given key defined.\n\
37 --filter-key-value <key>=<val> Filter section list to only include sections\n\
38 with given key/value pair.\n\
39 --lookup <key> Print a configuration setting to stdout.\n\
40 Returns 0 (success) if the configuration setting is\n\
41 found; 1 otherwise.\n\
42 -r|--resolve-search search for the first file that exists and\n\
43 can be opened in the resulted comma\n\
44 delimited search list.\n\
47 --name name Set type.id\n\
48 [-s <section>] Add to list of sections to search\n\
50 If there is no action given, the action will default to --lookup.\n\
53 $ ceph-conf --name mon.0 -c /etc/ceph/ceph.conf 'mon addr'\n\
54 Find out what the value of 'mon addr' is for monitor 0.\n\
57 List sections beginning with 'mon'.\n\
60 Return code will be 0 on success; error code otherwise.\n\
65 static int list_sections(const std::string &prefix,
66 const std::list<string>& filter_key,
67 const std::map<string,string>& filter_key_value)
69 std::vector <std::string> sections;
70 int ret = g_conf->get_all_sections(sections);
73 for (std::vector<std::string>::const_iterator p = sections.begin();
74 p != sections.end(); ++p) {
75 if (strncmp(prefix.c_str(), p->c_str(), prefix.size()))
78 std::vector<std::string> sec;
82 for (std::list<string>::const_iterator q = filter_key.begin(); q != filter_key.end(); ++q) {
84 r = g_conf->get_val_from_conf_file(sec, q->c_str(), v, false);
91 for (std::map<string,string>::const_iterator q = filter_key_value.begin();
92 q != filter_key_value.end();
95 r = g_conf->get_val_from_conf_file(sec, q->first.c_str(), v, false);
96 if (r < 0 || v != q->second) {
104 cout << *p << std::endl;
109 static int lookup(const std::deque<std::string> §ions,
110 const std::string &key, bool resolve_search)
112 std::vector <std::string> my_sections;
113 for (deque<string>::const_iterator s = sections.begin(); s != sections.end(); ++s) {
114 my_sections.push_back(*s);
116 g_conf->get_my_sections(my_sections);
118 int ret = g_conf->get_val_from_conf_file(my_sections, key.c_str(), val, true);
122 if (resolve_search) {
124 ret = ceph_resolve_file_search(val, result);
126 puts(result.c_str());
134 cerr << "error looking up '" << key << "': error " << ret << std::endl;
139 int main(int argc, const char **argv)
141 vector<const char*> args;
142 deque<std::string> sections;
143 bool resolve_search = false;
145 std::string lookup_key;
146 std::string section_list_prefix;
147 std::list<string> filter_key;
148 std::map<string,string> filter_key_value;
150 argv_to_vec(argc, argv, args);
152 vector<const char*> orig_args = args;
154 global_pre_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT, CODE_ENVIRONMENT_DAEMON,
155 CINIT_FLAG_NO_DAEMON_ACTIONS);
156 std::unique_ptr<CephContext,
157 std::function<void(CephContext*)> > cct_deleter{
159 [](CephContext *p) {p->put();}
162 g_conf->apply_changes(NULL);
163 g_conf->complain_about_parse_errors(g_ceph_context);
165 // do not common_init_finish(); do not start threads; do not do any of thing
166 // wonky things the daemon whose conf we are examining would do (like initialize
167 // the admin socket).
168 //common_init_finish(g_ceph_context);
171 for (std::vector<const char*>::iterator i = args.begin(); i != args.end(); ) {
172 if (ceph_argparse_double_dash(args, i)) {
174 } else if (ceph_argparse_witharg(args, i, &val, "-s", "--section", (char*)NULL)) {
175 sections.push_back(val);
176 } else if (ceph_argparse_flag(args, i, "-r", "--resolve_search", (char*)NULL)) {
177 resolve_search = true;
178 } else if (ceph_argparse_flag(args, i, "-h", "--help", (char*)NULL)) {
180 } else if (ceph_argparse_witharg(args, i, &val, "--lookup", (char*)NULL)) {
183 } else if (ceph_argparse_flag(args, i, "-L", "--list_all_sections", (char*)NULL)) {
184 action = "list-sections";
185 section_list_prefix = "";
186 } else if (ceph_argparse_witharg(args, i, &val, "-l", "--list_sections", (char*)NULL)) {
187 action = "list-sections";
188 section_list_prefix = val;
189 } else if (ceph_argparse_witharg(args, i, &val, "--filter_key", (char*)NULL)) {
190 filter_key.push_back(val);
191 } else if (ceph_argparse_witharg(args, i, &val, "--filter_key_value", (char*)NULL)) {
192 size_t pos = val.find_first_of('=');
193 if (pos == string::npos) {
194 cerr << "expecting argument like 'key=value' for --filter-key-value (not '" << val << "')" << std::endl;
198 string key(val, 0, pos);
199 string value(val, pos+1);
200 filter_key_value[key] = value;
202 if (((action == "lookup") || (action == "")) && (lookup_key.empty())) {
206 cerr << "unable to parse option: '" << *i << "'" << std::endl;
208 for (std::vector<const char *>::iterator ci = orig_args.begin(); ci != orig_args.end(); ++ci) {
209 cerr << " '" << *ci << "'";
218 g_ceph_context->_log->flush();
219 if (action == "help") {
222 } else if (action == "list-sections") {
223 return list_sections(section_list_prefix, filter_key, filter_key_value);
224 } else if (action == "lookup") {
225 return lookup(sections, lookup_key, resolve_search);
227 cerr << "You must give an action, such as --lookup or --list-all-sections." << std::endl;
228 cerr << "Pass --help for more help." << std::endl;