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/*
* Copyright (C) 2010 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mongo/tools/mongodump_options.h"
#include "mongo/base/status.h"
#include "mongo/util/log.h"
#include "mongo/util/options_parser/startup_option_init.h"
#include "mongo/util/options_parser/startup_options.h"
namespace mongo {
MongoDumpGlobalParams mongoDumpGlobalParams;
typedef moe::OptionDescription OD;
typedef moe::PositionalOptionDescription POD;
Status addMongoDumpOptions(moe::OptionSection* options) {
Status ret = addGeneralToolOptions(options);
if (!ret.isOK()) {
return ret;
}
ret = addRemoteServerToolOptions(options);
if (!ret.isOK()) {
return ret;
}
ret = addLocalServerToolOptions(options);
if (!ret.isOK()) {
return ret;
}
ret = addSpecifyDBCollectionToolOptions(options);
if (!ret.isOK()) {
return ret;
}
ret = options->addOption(OD("out", "out,o", moe::String,
"output directory or \"-\" for stdout", true,
moe::Value(std::string("dump"))));
if(!ret.isOK()) {
return ret;
}
ret = options->addOption(OD("query", "query,q", moe::String , "json query", true));
if(!ret.isOK()) {
return ret;
}
ret = options->addOption(OD("oplog", "oplog", moe::Switch,
"Use oplog for point-in-time snapshotting", true));
if(!ret.isOK()) {
return ret;
}
ret = options->addOption(OD("repair", "repair", moe::Switch,
"try to recover a crashed database", true));
if(!ret.isOK()) {
return ret;
}
ret = options->addOption(OD("forceTableScan", "forceTableScan", moe::Switch,
"force a table scan (do not use $snapshot)"));
if(!ret.isOK()) {
return ret;
}
return Status::OK();
}
void printMongoDumpHelp(std::ostream* out) {
*out << "Export MongoDB data to BSON files.\n" << std::endl;
*out << moe::startupOptions.helpString();
*out << std::flush;
}
Status handlePreValidationMongoDumpOptions(const moe::Environment& params) {
if (params.count("help")) {
printMongoDumpHelp(&std::cout);
::_exit(0);
}
return Status::OK();
}
Status storeMongoDumpOptions(const moe::Environment& params,
const std::vector<std::string>& args) {
Status ret = storeGeneralToolOptions(params, args);
if (!ret.isOK()) {
return ret;
}
mongoDumpGlobalParams.repair = hasParam("repair");
if (mongoDumpGlobalParams.repair){
if (!hasParam("dbpath")) {
log() << "repair mode only works with --dbpath" << std::endl;
::_exit(-1);
}
if (!hasParam("db")) {
log() << "repair mode only works on 1 db at a time right now" << std::endl;
::_exit(-1);
}
}
mongoDumpGlobalParams.query = getParam("query");
mongoDumpGlobalParams.useOplog = hasParam("oplog");
if (mongoDumpGlobalParams.useOplog) {
if (hasParam("query") || hasParam("db") || hasParam("collection")) {
log() << "oplog mode is only supported on full dumps" << std::endl;
::_exit(-1);
}
}
mongoDumpGlobalParams.outputFile = getParam("out");
mongoDumpGlobalParams.snapShotQuery = false;
if (!hasParam("query") && !hasParam("dbpath") && !hasParam("forceTableScan")) {
mongoDumpGlobalParams.snapShotQuery = true;
}
// Make the default db "" if it was not explicitly set
if (!params.count("db")) {
toolGlobalParams.db = "";
}
return Status::OK();
}
MONGO_GENERAL_STARTUP_OPTIONS_REGISTER(MongoDumpOptions)(InitializerContext* context) {
return addMongoDumpOptions(&moe::startupOptions);
}
MONGO_STARTUP_OPTIONS_VALIDATE(MongoDumpOptions)(InitializerContext* context) {
Status ret = handlePreValidationMongoDumpOptions(moe::startupOptionsParsed);
if (!ret.isOK()) {
return ret;
}
ret = moe::startupOptionsParsed.validate();
if (!ret.isOK()) {
return ret;
}
return Status::OK();
}
MONGO_STARTUP_OPTIONS_STORE(MongoDumpOptions)(InitializerContext* context) {
return storeMongoDumpOptions(moe::startupOptionsParsed, context->args());
}
}
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