Current Path : C:/xampp/htdocs/moodle/admin/tool/dbtransfer/cli/ |
Current File : C:/xampp/htdocs/moodle/admin/tool/dbtransfer/cli/migrate.php |
<?php // This file is part of Moodle - http://moodle.org/ // // Moodle is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Moodle 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 General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Moodle. If not, see <http://www.gnu.org/licenses/>. /** * This script migrates data from current database to another * * This script is not intended for beginners! * Potential problems: * - su to apache account or sudo before execution * - already broken DB scheme or invalid data * * @package tool_dbtransfer * @copyright 2012 Petr Skoda {@link http://skodak.org/} * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ define('CLI_SCRIPT', true); require(__DIR__.'/../../../../config.php'); require_once($CFG->libdir.'/clilib.php'); require_once(__DIR__.'/../locallib.php'); $help = "Database migration script. It is strongly recommended to turn off the web server or enable CLI maintenance mode before starting the migration. Options: --dbtype=TYPE Database type. --dblibrary=TYPE Database library. Defaults to 'native'. --dbhost=HOST Database host. --dbname=NAME Database name. --dbuser=USERNAME Database user. --dbpass=PASSWORD Database password. --dbport=NUMBER Database port. --prefix=STRING Table prefix for above database tables. --dbsocket=PATH Use database sockets. Available for some databases only. -h, --help Print out this help. Example: \$ sudo -u www-data /usr/bin/php admin/tool/dbtransfer/cli/migrate.php "; // Now get cli options. list($options, $unrecognized) = cli_get_params( array( 'dbtype' => null, 'dblibrary' => 'native', 'dbhost' => null, 'dbname' => null, 'dbuser' => null, 'dbpass' => null, 'dbport' => null, 'prefix' => null, 'dbsocket' => null, 'maintenance' => null, 'list' => false, 'help' => false, ), array( 'm' => 'maintenance', 'l' => 'list', 'h' => 'help', ) ); if ($options['help']) { echo $help; exit(0); } if (empty($CFG->version)) { cli_error(get_string('missingconfigversion', 'debug')); } echo "\n".get_string('cliheading', 'tool_dbtransfer')."\n\n"; $drivers = tool_dbtransfer_get_drivers(); if (!isset($options['dbtype'])) { $choose = array(); foreach ($drivers as $driver => $name) { list($dbtype, $dblibrary) = explode('/', $driver); $choose[$dbtype] = $dbtype; } $optionsstr = implode(', ', $choose); cli_heading(get_string('databasetypehead', 'install')." ($optionsstr)"); $options['dbtype'] = cli_input(get_string('clitypevalue', 'admin'), '', $choose, true); } $choose = array(); foreach ($drivers as $driver => $name) { list($dbtype, $dblibrary) = explode('/', $driver); if ($dbtype === $options['dbtype']) { $choose[$dblibrary] = $dblibrary; } } if (!isset($options['dblibrary']) or !isset($choose[$options['dblibrary']])) { $optionsstr = implode(', ', $choose); cli_heading('Database library'." ($optionsstr)"); // Note: no need to localise unless we add real PDO drivers. $options['dblibrary'] = cli_input(get_string('clitypevalue', 'admin'), '', $choose, true); } if (!isset($options['dbhost'])) { cli_heading(get_string('databasehost', 'install')); $options['dbhost'] = cli_input(get_string('clitypevalue', 'admin')); } if (!isset($options['dbname'])) { cli_heading(get_string('databasename', 'install')); $options['dbname'] = cli_input(get_string('clitypevalue', 'admin')); } if (!isset($options['dbuser'])) { cli_heading(get_string('databaseuser', 'install')); $options['dbuser'] = cli_input(get_string('clitypevalue', 'admin')); } if (!isset($options['dbpass'])) { cli_heading(get_string('databasepass', 'install')); $options['dbpass'] = cli_input(get_string('clitypevalue', 'admin')); } if (!isset($options['prefix'])) { cli_heading(get_string('dbprefix', 'install')); $options['prefix'] = cli_input(get_string('clitypevalue', 'admin')); } if (!isset($options['dbport'])) { cli_heading(get_string('dbport', 'install')); $options['dbport'] = cli_input(get_string('clitypevalue', 'admin')); } if ($CFG->ostype !== 'WINDOWS') { if (!isset($options['dbsocket'])) { cli_heading(get_string('databasesocket', 'install')); $options['dbsocket'] = cli_input(get_string('clitypevalue', 'admin')); } } $a = (object)array('dbtypefrom' => $CFG->dbtype, 'dbtype' => $options['dbtype'], 'dbname' => $options['dbname'], 'dbhost' => $options['dbhost']); cli_heading(get_string('transferringdbto', 'tool_dbtransfer', $a)); // Try target DB connection. $problem = ''; $targetdb = moodle_database::get_driver_instance($options['dbtype'], $options['dblibrary']); $dboptions = array(); if ($options['dbport']) { $dboptions['dbport'] = $options['dbport']; } if ($options['dbsocket']) { $dboptions['dbsocket'] = $options['dbsocket']; } try { $targetdb->connect($options['dbhost'], $options['dbuser'], $options['dbpass'], $options['dbname'], $options['prefix'], $dboptions); if ($targetdb->get_tables()) { $problem .= get_string('targetdatabasenotempty', 'tool_dbtransfer'); } } catch (moodle_exception $e) { $problem .= $e->debuginfo."\n\n"; $problem .= get_string('notargetconectexception', 'tool_dbtransfer'); } if ($problem !== '') { echo $problem."\n\n"; exit(1); } $feedback = new text_progress_trace(); tool_dbtransfer_transfer_database($DB, $targetdb, $feedback); $feedback->finished(); cli_heading(get_string('success')); exit(0);