mirror of https://gitee.com/bigwinds/arangodb
112 lines
3.6 KiB
C++
112 lines
3.6 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2016 ArangoDB GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler
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////////////////////////////////////////////////////////////////////////////////
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#include "DatabasePathFeature.h"
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#include "ApplicationFeatures/ApplicationServer.h"
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#include "Basics/ArangoGlobalContext.h"
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#include "Basics/FileUtils.h"
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#include "Basics/StringUtils.h"
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#include "ProgramOptions/ProgramOptions.h"
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#include "ProgramOptions/Section.h"
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using namespace arangodb;
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using namespace arangodb::application_features;
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using namespace arangodb::basics;
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using namespace arangodb::options;
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DatabasePathFeature::DatabasePathFeature(ApplicationServer* server)
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: ApplicationFeature(server, "DatabasePath") {
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setOptional(false);
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requiresElevatedPrivileges(false);
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startsAfter("FileDescriptors");
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startsAfter("Language");
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startsAfter("Logger");
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startsAfter("PageSize");
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startsAfter("Random");
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startsAfter("Temp");
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startsAfter("WorkMonitor");
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startsAfter("Statistics");
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}
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void DatabasePathFeature::collectOptions(std::shared_ptr<ProgramOptions> options) {
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options->addSection("database", "Configure the database");
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options->addOption("--database.directory", "path to the database directory",
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new StringParameter(&_directory));
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}
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void DatabasePathFeature::validateOptions(std::shared_ptr<ProgramOptions> options) {
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auto const& positionals = options->processingResult()._positionals;
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if (1 == positionals.size()) {
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_directory = positionals[0];
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} else if (1 < positionals.size()) {
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LOG(FATAL) << "expected at most one database directory, got '"
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<< StringUtils::join(positionals, ",") << "'";
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FATAL_ERROR_EXIT();
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}
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if (_directory.empty()) {
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LOG(FATAL) << "no database path has been supplied, giving up, please use "
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"the '--database.directory' option";
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FATAL_ERROR_EXIT();
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}
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// strip trailing separators
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_directory = basics::StringUtils::rTrim(_directory, TRI_DIR_SEPARATOR_STR);
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auto ctx = ArangoGlobalContext::CONTEXT;
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if (ctx == nullptr) {
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LOG(ERR) << "failed to get global context.";
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FATAL_ERROR_EXIT();
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}
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ctx->normalizePath(_directory, "database.directory", false);
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}
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void DatabasePathFeature::start() {
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// create base directory if it does not exist
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if (!basics::FileUtils::isDirectory(_directory)) {
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std::string systemErrorStr;
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long errorNo;
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int res = TRI_CreateRecursiveDirectory(_directory.c_str(), errorNo,
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systemErrorStr);
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if (res == TRI_ERROR_NO_ERROR) {
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LOG(INFO) << "created database directory '" << _directory << "'.";
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} else {
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LOG(FATAL) << "unable to create database directory '" << _directory << "': " << systemErrorStr;
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FATAL_ERROR_EXIT();
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}
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}
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}
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std::string DatabasePathFeature::subdirectoryName(std::string const& subDirectory) const {
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TRI_ASSERT(!_directory.empty());
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return basics::FileUtils::buildFilename(_directory, subDirectory);
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}
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