--- /dev/null
+<?php
+/**
+ * Execute the MySQL client binary, connecting to the wiki's DB.
+ * Note that this will not do table prefixing or variable substitution.
+ * To safely run schema patches, use sql.php.
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Maintenance
+ */
+
+use MediaWiki\Shell\Shell;
+use MediaWiki\MediaWikiServices;
+
+require_once __DIR__ . '/Maintenance.php';
+
+/**
+ * @ingroup Maintenance
+ */
+class MysqlMaintenance extends Maintenance {
+ public function __construct() {
+ parent::__construct();
+ $this->addDescription( "Execute the MySQL client binary. " .
+ "Non-option arguments will be passed through to mysql." );
+ $this->addOption( 'write', 'Connect to the master database', false, false );
+ $this->addOption( 'group', 'Specify query group', false, false );
+ $this->addOption( 'host', 'Connect to a specific MySQL server', false, true );
+ $this->addOption( 'list-hosts', 'List the available DB hosts', false, false );
+ $this->addOption( 'cluster', 'Use an external cluster by name', false, true );
+ $this->addOption( 'wikidb',
+ 'The database wiki ID to use if not the current one', false, true );
+
+ // Fake argument for help message
+ $this->addArg( '-- mysql_option ...', 'Options to pass to mysql', false );
+ }
+
+ public function execute() {
+ $dbName = $this->getOption( 'wikidb', false );
+ $lbf = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
+ if ( $this->hasOption( 'cluster' ) ) {
+ try {
+ $lb = $lbf->getExternalLB( $this->getOption( 'cluster' ) );
+ } catch ( InvalidArgumentException $e ) {
+ $this->error( "Error: invalid cluster" );
+ exit( 1 );
+ }
+ } else {
+ $lb = $lbf->getMainLB( $dbName );
+ }
+ if ( $this->hasOption( 'list-hosts' ) ) {
+ $serverCount = $lb->getServerCount();
+ for ( $index = 0; $index < $serverCount; ++$index ) {
+ echo $lb->getServerName( $index ) . "\n";
+ }
+ exit( 0 );
+ }
+ if ( $this->hasOption( 'host' ) ) {
+ $host = $this->getOption( 'host' );
+ $serverCount = $lb->getServerCount();
+ for ( $index = 0; $index < $serverCount; ++$index ) {
+ $serverInfo = $lb->getServerInfo( $index );
+
+ if ( $lb->getServerName( $index ) === $host ) {
+ break;
+ }
+ }
+ if ( $index >= $serverCount ) {
+ $this->error( "Error: Host not configured: \"$host\"" );
+ exit( 1 );
+ }
+ } elseif ( $this->hasOption( 'write' ) ) {
+ $index = $lb->getWriterIndex();
+ } else {
+ $group = $this->getOption( 'group', false );
+ $index = $lb->getReaderIndex( $group, $dbName );
+ if ( $index === false ) {
+ $this->error( "Error: unable to get reader index" );
+ exit( 1 );
+ }
+ }
+
+ if ( $lb->getServerType( $index ) !== 'mysql' ) {
+ $this->error( "Error: this script only works with MySQL/MariaDB" );
+ exit( 1 );
+ }
+
+ $status = $this->runMysql( $lb->getServerInfo( $index ), $dbName );
+ exit( $status );
+ }
+
+ /**
+ * Run the mysql client for the given server info
+ *
+ * @param array $info
+ * @param string|false The DB name, or false to use the main wiki DB
+ *
+ * @return The desired exit status
+ */
+ private function runMysql( $info, $dbName ) {
+ // Write the password to an option file to avoid disclosing it to other
+ // processes running on the system
+ $tmpFile = TempFSFile::factory( 'mw-mysql', 'ini' );
+ chmod( $tmpFile->getPath(), 0600 );
+ file_put_contents( $tmpFile->getPath(), "[client]\npassword={$info['password']}\n" );
+
+ // stdin/stdout need to be the actual file descriptors rather than
+ // PHP's pipe wrappers so that mysql can use them as an interactive
+ // terminal.
+ $desc = [
+ 0 => STDIN,
+ 1 => STDOUT,
+ 2 => STDERR,
+ ];
+
+ // Split host and port as in DatabaseMysqli::mysqlConnect()
+ $realServer = $info['host'];
+ $hostAndPort = IP::splitHostAndPort( $realServer );
+ $socket = false;
+ $port = false;
+ if ( $hostAndPort ) {
+ $realServer = $hostAndPort[0];
+ if ( $hostAndPort[1] ) {
+ $port = $hostAndPort[1];
+ }
+ } elseif ( substr_count( $realServer, ':' ) == 1 ) {
+ // If we have a colon and something that's not a port number
+ // inside the hostname, assume it's the socket location
+ $hostAndSocket = explode( ':', $realServer, 2 );
+ $realServer = $hostAndSocket[0];
+ $socket = $hostAndSocket[1];
+ }
+
+ if ( $dbName === false ) {
+ $dbName = $info['dbname'];
+ }
+
+ $args = [
+ 'mysql',
+ "--defaults-extra-file={$tmpFile->getPath()}",
+ "--user={$info['user']}",
+ "--database={$dbName}",
+ ];
+ if ( $socket !== false ) {
+ $args[] = "--socket={$socket}";
+ } else {
+ $args[] = "--host={$realServer}";
+ }
+ if ( $port !== false ) {
+ $args[] = "--port={$port}";
+ }
+
+ $args = array_merge( $args, $this->mArgs );
+
+ $pipes = [];
+ $proc = proc_open( Shell::escape( $args ), $desc, $pipes );
+ if ( $proc === false ) {
+ $this->error( "Unable to execute mysql" );
+ return 1;
+ }
+ $ret = proc_close( $proc );
+ if ( $ret === -1 ) {
+ $this->error( "proc_close() returned -1" );
+ return 1;
+ }
+ return $ret;
+ }
+}
+
+$maintClass = MysqlMaintenance::class;
+require_once RUN_MAINTENANCE_IF_MAIN;
dépôts / lhc / web / wiklou.git / commitdiff