c659bc6308
Bug: T231636 Depends-On: I2cd24e73726394e3200a570c45d5e86b6849bfa9 Depends-On: I4fa3e6aad872434ca397325ed7a83f94973661d0 Change-Id: Ie6233561de78457cae5e4e44e220feec2d1272d8
1762 lines
49 KiB
PHP
1762 lines
49 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Maintenance
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* @defgroup Maintenance Maintenance
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*/
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// Bail on old versions of PHP, or if composer has not been run yet to install
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// dependencies.
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require_once __DIR__ . '/../includes/PHPVersionCheck.php';
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wfEntryPointCheck( 'text' );
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use MediaWiki\Shell\Shell;
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use Wikimedia\Rdbms\IResultWrapper;
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/**
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* @defgroup MaintenanceArchive Maintenance archives
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* @ingroup Maintenance
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*/
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// Define this so scripts can easily find doMaintenance.php
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define( 'RUN_MAINTENANCE_IF_MAIN', __DIR__ . '/doMaintenance.php' );
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/**
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* @deprecated since 1.31
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*/
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define( 'DO_MAINTENANCE', RUN_MAINTENANCE_IF_MAIN ); // original name, harmless
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$maintClass = false;
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// Some extensions rely on MW_INSTALL_PATH to find core files to include. Setting it here helps them
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// if they're included by a core script (like DatabaseUpdater) after Maintenance.php has already
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// been run.
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if ( strval( getenv( 'MW_INSTALL_PATH' ) ) === '' ) {
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putenv( 'MW_INSTALL_PATH=' . realpath( __DIR__ . '/..' ) );
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}
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use Wikimedia\Rdbms\IDatabase;
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use MediaWiki\Logger\LoggerFactory;
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use MediaWiki\MediaWikiServices;
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use Wikimedia\Rdbms\LBFactory;
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use Wikimedia\Rdbms\IMaintainableDatabase;
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/**
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* Abstract maintenance class for quickly writing and churning out
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* maintenance scripts with minimal effort. All that _must_ be defined
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* is the execute() method. See docs/maintenance.txt for more info
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* and a quick demo of how to use it.
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*
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* Terminology:
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* params: registry of named values that may be passed to the script
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* arg list: registry of positional values that may be passed to the script
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* options: passed param values
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* args: passed positional values
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*
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* In the command:
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* mwscript somescript.php --foo=bar baz
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* foo is a param
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* bar is the option value of the option for param foo
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* baz is the arg value at index 0 in the arg list
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*
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* @since 1.16
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* @ingroup Maintenance
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*/
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abstract class Maintenance {
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/**
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* Constants for DB access type
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* @see Maintenance::getDbType()
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*/
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const DB_NONE = 0;
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const DB_STD = 1;
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const DB_ADMIN = 2;
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// Const for getStdin()
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const STDIN_ALL = 'all';
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// Array of desired/allowed params
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protected $mParams = [];
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// Array of mapping short parameters to long ones
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protected $mShortParamsMap = [];
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// Array of desired/allowed args
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protected $mArgList = [];
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// This is the list of options that were actually passed
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protected $mOptions = [];
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// This is the list of arguments that were actually passed
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protected $mArgs = [];
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// Allow arbitrary options to be passed, or only specified ones?
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protected $mAllowUnregisteredOptions = false;
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// Name of the script currently running
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protected $mSelf;
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// Special vars for params that are always used
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protected $mQuiet = false;
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protected $mDbUser, $mDbPass;
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// A description of the script, children should change this via addDescription()
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protected $mDescription = '';
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// Have we already loaded our user input?
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protected $mInputLoaded = false;
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/**
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* Batch size. If a script supports this, they should set
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* a default with setBatchSize()
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*
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* @var int
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*/
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protected $mBatchSize = null;
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// Generic options added by addDefaultParams()
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private $mGenericParameters = [];
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// Generic options which might or not be supported by the script
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private $mDependantParameters = [];
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/**
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* Used by getDB() / setDB()
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* @var IMaintainableDatabase
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*/
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private $mDb = null;
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/** @var float UNIX timestamp */
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private $lastReplicationWait = 0.0;
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/**
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* Used when creating separate schema files.
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* @var resource
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*/
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public $fileHandle;
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/**
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* Accessible via getConfig()
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*
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* @var Config
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*/
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private $config;
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/**
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* @see Maintenance::requireExtension
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* @var array
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*/
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private $requiredExtensions = [];
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/**
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* Used to read the options in the order they were passed.
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* Useful for option chaining (Ex. dumpBackup.php). It will
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* be an empty array if the options are passed in through
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* loadParamsAndArgs( $self, $opts, $args ).
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*
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* This is an array of arrays where
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* 0 => the option and 1 => parameter value.
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*
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* @var array
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*/
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public $orderedOptions = [];
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/**
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* Default constructor. Children should call this *first* if implementing
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* their own constructors
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*/
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public function __construct() {
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global $IP;
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$IP = getenv( 'MW_INSTALL_PATH' );
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$this->addDefaultParams();
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register_shutdown_function( [ $this, 'outputChanneled' ], false );
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}
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/**
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* Should we execute the maintenance script, or just allow it to be included
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* as a standalone class? It checks that the call stack only includes this
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* function and "requires" (meaning was called from the file scope)
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*
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* @return bool
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*/
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public static function shouldExecute() {
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global $wgCommandLineMode;
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if ( !function_exists( 'debug_backtrace' ) ) {
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// If someone has a better idea...
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return $wgCommandLineMode;
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}
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$bt = debug_backtrace();
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$count = count( $bt );
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if ( $count < 2 ) {
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return false; // sanity
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}
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if ( $bt[0]['class'] !== self::class || $bt[0]['function'] !== 'shouldExecute' ) {
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return false; // last call should be to this function
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}
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$includeFuncs = [ 'require_once', 'require', 'include', 'include_once' ];
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for ( $i = 1; $i < $count; $i++ ) {
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if ( !in_array( $bt[$i]['function'], $includeFuncs ) ) {
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return false; // previous calls should all be "requires"
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}
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}
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return true;
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}
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/**
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* Do the actual work. All child classes will need to implement this
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*
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* @return bool|null|void True for success, false for failure. Not returning
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* a value, or returning null, is also interpreted as success. Returning
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* false for failure will cause doMaintenance.php to exit the process
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* with a non-zero exit status.
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*/
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abstract public function execute();
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/**
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* Checks to see if a particular option in supported. Normally this means it
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* has been registered by the script via addOption.
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* @param string $name The name of the option
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* @return bool true if the option exists, false otherwise
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*/
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protected function supportsOption( $name ) {
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return isset( $this->mParams[$name] );
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}
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/**
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* Add a parameter to the script. Will be displayed on --help
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* with the associated description
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*
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* @param string $name The name of the param (help, version, etc)
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* @param string $description The description of the param to show on --help
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* @param bool $required Is the param required?
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* @param bool $withArg Is an argument required with this option?
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* @param string|bool $shortName Character to use as short name
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* @param bool $multiOccurrence Can this option be passed multiple times?
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*/
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protected function addOption( $name, $description, $required = false,
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$withArg = false, $shortName = false, $multiOccurrence = false
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) {
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$this->mParams[$name] = [
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'desc' => $description,
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'require' => $required,
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'withArg' => $withArg,
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'shortName' => $shortName,
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'multiOccurrence' => $multiOccurrence
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];
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if ( $shortName !== false ) {
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$this->mShortParamsMap[$shortName] = $name;
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}
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}
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/**
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* Checks to see if a particular option exists.
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* @param string $name The name of the option
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* @return bool
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*/
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protected function hasOption( $name ) {
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return isset( $this->mOptions[$name] );
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}
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/**
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* Get an option, or return the default.
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*
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* If the option was added to support multiple occurrences,
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* this will return an array.
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*
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* @param string $name The name of the param
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* @param mixed|null $default Anything you want, default null
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* @return mixed
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*/
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protected function getOption( $name, $default = null ) {
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if ( $this->hasOption( $name ) ) {
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return $this->mOptions[$name];
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} else {
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// Set it so we don't have to provide the default again
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$this->mOptions[$name] = $default;
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return $this->mOptions[$name];
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}
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}
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/**
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* Add some args that are needed
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* @param string $arg Name of the arg, like 'start'
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* @param string $description Short description of the arg
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* @param bool $required Is this required?
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*/
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protected function addArg( $arg, $description, $required = true ) {
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$this->mArgList[] = [
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'name' => $arg,
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'desc' => $description,
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'require' => $required
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];
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}
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/**
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* Remove an option. Useful for removing options that won't be used in your script.
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* @param string $name The option to remove.
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*/
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protected function deleteOption( $name ) {
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unset( $this->mParams[$name] );
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}
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/**
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* Sets whether to allow unregistered options, which are options passed to
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* a script that do not match an expected parameter.
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* @param bool $allow Should we allow?
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*/
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protected function setAllowUnregisteredOptions( $allow ) {
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$this->mAllowUnregisteredOptions = $allow;
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}
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/**
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* Set the description text.
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* @param string $text The text of the description
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*/
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protected function addDescription( $text ) {
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$this->mDescription = $text;
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}
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/**
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* Does a given argument exist?
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* @param int $argId The integer value (from zero) for the arg
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* @return bool
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*/
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protected function hasArg( $argId = 0 ) {
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if ( func_num_args() === 0 ) {
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wfDeprecated( __METHOD__ . ' without an $argId', '1.33' );
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}
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return isset( $this->mArgs[$argId] );
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}
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/**
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* Get an argument.
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* @param int $argId The integer value (from zero) for the arg
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* @param mixed|null $default The default if it doesn't exist
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* @return mixed
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*/
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protected function getArg( $argId = 0, $default = null ) {
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if ( func_num_args() === 0 ) {
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wfDeprecated( __METHOD__ . ' without an $argId', '1.33' );
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}
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return $this->mArgs[$argId] ?? $default;
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}
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/**
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* Returns batch size
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*
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* @since 1.31
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*
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* @return int|null
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*/
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protected function getBatchSize() {
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return $this->mBatchSize;
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}
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||
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/**
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* Set the batch size.
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* @param int $s The number of operations to do in a batch
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*/
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protected function setBatchSize( $s = 0 ) {
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$this->mBatchSize = $s;
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// If we support $mBatchSize, show the option.
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||
// Used to be in addDefaultParams, but in order for that to
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// work, subclasses would have to call this function in the constructor
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// before they called parent::__construct which is just weird
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// (and really wasn't done).
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if ( $this->mBatchSize ) {
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$this->addOption( 'batch-size', 'Run this many operations ' .
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'per batch, default: ' . $this->mBatchSize, false, true );
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if ( isset( $this->mParams['batch-size'] ) ) {
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// This seems a little ugly...
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$this->mDependantParameters['batch-size'] = $this->mParams['batch-size'];
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||
}
|
||
}
|
||
}
|
||
|
||
/**
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||
* Get the script's name
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||
* @return string
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||
*/
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public function getName() {
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||
return $this->mSelf;
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||
}
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||
|
||
/**
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||
* Return input from stdin.
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||
* @param int|null $len The number of bytes to read. If null, just return the handle.
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||
* Maintenance::STDIN_ALL returns the full length
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* @return mixed
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*/
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protected function getStdin( $len = null ) {
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if ( $len == self::STDIN_ALL ) {
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return file_get_contents( 'php://stdin' );
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}
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$f = fopen( 'php://stdin', 'rt' );
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if ( !$len ) {
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return $f;
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}
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$input = fgets( $f, $len );
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fclose( $f );
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||
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return rtrim( $input );
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||
}
|
||
|
||
/**
|
||
* @return bool
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||
*/
|
||
public function isQuiet() {
|
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return $this->mQuiet;
|
||
}
|
||
|
||
/**
|
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* Throw some output to the user. Scripts can call this with no fears,
|
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* as we handle all --quiet stuff here
|
||
* @param string $out The text to show to the user
|
||
* @param mixed|null $channel Unique identifier for the channel. See function outputChanneled.
|
||
*/
|
||
protected function output( $out, $channel = null ) {
|
||
// This is sometimes called very early, before Setup.php is included.
|
||
if ( class_exists( MediaWikiServices::class ) ) {
|
||
// Try to periodically flush buffered metrics to avoid OOMs
|
||
$stats = MediaWikiServices::getInstance()->getStatsdDataFactory();
|
||
if ( $stats->getDataCount() > 1000 ) {
|
||
MediaWiki::emitBufferedStatsdData( $stats, $this->getConfig() );
|
||
}
|
||
}
|
||
|
||
if ( $this->mQuiet ) {
|
||
return;
|
||
}
|
||
if ( $channel === null ) {
|
||
$this->cleanupChanneled();
|
||
print $out;
|
||
} else {
|
||
$out = preg_replace( '/\n\z/', '', $out );
|
||
$this->outputChanneled( $out, $channel );
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Throw an error to the user. Doesn't respect --quiet, so don't use
|
||
* this for non-error output
|
||
* @param string $err The error to display
|
||
* @param int $die Deprecated since 1.31, use Maintenance::fatalError() instead
|
||
*/
|
||
protected function error( $err, $die = 0 ) {
|
||
if ( intval( $die ) !== 0 ) {
|
||
wfDeprecated( __METHOD__ . '( $err, $die )', '1.31' );
|
||
$this->fatalError( $err, intval( $die ) );
|
||
}
|
||
$this->outputChanneled( false );
|
||
if (
|
||
( PHP_SAPI == 'cli' || PHP_SAPI == 'phpdbg' ) &&
|
||
!defined( 'MW_PHPUNIT_TEST' )
|
||
) {
|
||
fwrite( STDERR, $err . "\n" );
|
||
} else {
|
||
print $err;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Output a message and terminate the current script.
|
||
*
|
||
* @param string $msg Error message
|
||
* @param int $exitCode PHP exit status. Should be in range 1-254.
|
||
* @since 1.31
|
||
*/
|
||
protected function fatalError( $msg, $exitCode = 1 ) {
|
||
$this->error( $msg );
|
||
exit( $exitCode );
|
||
}
|
||
|
||
private $atLineStart = true;
|
||
private $lastChannel = null;
|
||
|
||
/**
|
||
* Clean up channeled output. Output a newline if necessary.
|
||
*/
|
||
public function cleanupChanneled() {
|
||
if ( !$this->atLineStart ) {
|
||
print "\n";
|
||
$this->atLineStart = true;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Message outputter with channeled message support. Messages on the
|
||
* same channel are concatenated, but any intervening messages in another
|
||
* channel start a new line.
|
||
* @param string $msg The message without trailing newline
|
||
* @param string|null $channel Channel identifier or null for no
|
||
* channel. Channel comparison uses ===.
|
||
*/
|
||
public function outputChanneled( $msg, $channel = null ) {
|
||
if ( $msg === false ) {
|
||
$this->cleanupChanneled();
|
||
|
||
return;
|
||
}
|
||
|
||
// End the current line if necessary
|
||
if ( !$this->atLineStart && $channel !== $this->lastChannel ) {
|
||
print "\n";
|
||
}
|
||
|
||
print $msg;
|
||
|
||
$this->atLineStart = false;
|
||
if ( $channel === null ) {
|
||
// For unchanneled messages, output trailing newline immediately
|
||
print "\n";
|
||
$this->atLineStart = true;
|
||
}
|
||
$this->lastChannel = $channel;
|
||
}
|
||
|
||
/**
|
||
* Does the script need different DB access? By default, we give Maintenance
|
||
* scripts normal rights to the DB. Sometimes, a script needs admin rights
|
||
* access for a reason and sometimes they want no access. Subclasses should
|
||
* override and return one of the following values, as needed:
|
||
* Maintenance::DB_NONE - For no DB access at all
|
||
* Maintenance::DB_STD - For normal DB access, default
|
||
* Maintenance::DB_ADMIN - For admin DB access
|
||
* @return int
|
||
*/
|
||
public function getDbType() {
|
||
return self::DB_STD;
|
||
}
|
||
|
||
/**
|
||
* Add the default parameters to the scripts
|
||
*/
|
||
protected function addDefaultParams() {
|
||
# Generic (non script dependant) options:
|
||
|
||
$this->addOption( 'help', 'Display this help message', false, false, 'h' );
|
||
$this->addOption( 'quiet', 'Whether to suppress non-error output', false, false, 'q' );
|
||
$this->addOption( 'conf', 'Location of LocalSettings.php, if not default', false, true );
|
||
$this->addOption( 'wiki', 'For specifying the wiki ID', false, true );
|
||
$this->addOption( 'globals', 'Output globals at the end of processing for debugging' );
|
||
$this->addOption(
|
||
'memory-limit',
|
||
'Set a specific memory limit for the script, '
|
||
. '"max" for no limit or "default" to avoid changing it',
|
||
false,
|
||
true
|
||
);
|
||
$this->addOption( 'server', "The protocol and server name to use in URLs, e.g. " .
|
||
"http://en.wikipedia.org. This is sometimes necessary because " .
|
||
"server name detection may fail in command line scripts.", false, true );
|
||
$this->addOption( 'profiler', 'Profiler output format (usually "text")', false, true );
|
||
// This is named --mwdebug, because --debug would conflict in the phpunit.php CLI script.
|
||
$this->addOption( 'mwdebug', 'Enable built-in MediaWiki development settings', false, true );
|
||
|
||
# Save generic options to display them separately in help
|
||
$this->mGenericParameters = $this->mParams;
|
||
|
||
# Script dependant options:
|
||
|
||
// If we support a DB, show the options
|
||
if ( $this->getDbType() > 0 ) {
|
||
$this->addOption( 'dbuser', 'The DB user to use for this script', false, true );
|
||
$this->addOption( 'dbpass', 'The password to use for this script', false, true );
|
||
$this->addOption( 'dbgroupdefault', 'The default DB group to use.', false, true );
|
||
}
|
||
|
||
# Save additional script dependant options to display
|
||
# them separately in help
|
||
$this->mDependantParameters = array_diff_key( $this->mParams, $this->mGenericParameters );
|
||
}
|
||
|
||
/**
|
||
* @since 1.24
|
||
* @return Config
|
||
*/
|
||
public function getConfig() {
|
||
if ( $this->config === null ) {
|
||
$this->config = MediaWikiServices::getInstance()->getMainConfig();
|
||
}
|
||
|
||
return $this->config;
|
||
}
|
||
|
||
/**
|
||
* @since 1.24
|
||
* @param Config $config
|
||
*/
|
||
public function setConfig( Config $config ) {
|
||
$this->config = $config;
|
||
}
|
||
|
||
/**
|
||
* Indicate that the specified extension must be
|
||
* loaded before the script can run.
|
||
*
|
||
* This *must* be called in the constructor.
|
||
*
|
||
* @since 1.28
|
||
* @param string $name
|
||
*/
|
||
protected function requireExtension( $name ) {
|
||
$this->requiredExtensions[] = $name;
|
||
}
|
||
|
||
/**
|
||
* Verify that the required extensions are installed
|
||
*
|
||
* @since 1.28
|
||
*/
|
||
public function checkRequiredExtensions() {
|
||
$registry = ExtensionRegistry::getInstance();
|
||
$missing = [];
|
||
foreach ( $this->requiredExtensions as $name ) {
|
||
if ( !$registry->isLoaded( $name ) ) {
|
||
$missing[] = $name;
|
||
}
|
||
}
|
||
|
||
if ( $missing ) {
|
||
$joined = implode( ', ', $missing );
|
||
$msg = "The following extensions are required to be installed "
|
||
. "for this script to run: $joined. Please enable them and then try again.";
|
||
$this->fatalError( $msg );
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Set triggers like when to try to run deferred updates
|
||
* @since 1.28
|
||
*/
|
||
public function setAgentAndTriggers() {
|
||
if ( function_exists( 'posix_getpwuid' ) ) {
|
||
$agent = posix_getpwuid( posix_geteuid() )['name'];
|
||
} else {
|
||
$agent = 'sysadmin';
|
||
}
|
||
$agent .= '@' . wfHostname();
|
||
|
||
$lbFactory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
|
||
// Add a comment for easy SHOW PROCESSLIST interpretation
|
||
$lbFactory->setAgentName(
|
||
mb_strlen( $agent ) > 15 ? mb_substr( $agent, 0, 15 ) . '...' : $agent
|
||
);
|
||
self::setLBFactoryTriggers( $lbFactory, $this->getConfig() );
|
||
}
|
||
|
||
/**
|
||
* @param LBFactory $LBFactory
|
||
* @param Config $config
|
||
* @since 1.28
|
||
*/
|
||
public static function setLBFactoryTriggers( LBFactory $LBFactory, Config $config ) {
|
||
$services = MediaWikiServices::getInstance();
|
||
$stats = $services->getStatsdDataFactory();
|
||
// Hook into period lag checks which often happen in long-running scripts
|
||
$lbFactory = $services->getDBLoadBalancerFactory();
|
||
$lbFactory->setWaitForReplicationListener(
|
||
__METHOD__,
|
||
function () use ( $stats, $config ) {
|
||
// Check config in case of JobRunner and unit tests
|
||
if ( $config->get( 'CommandLineMode' ) ) {
|
||
DeferredUpdates::tryOpportunisticExecute( 'run' );
|
||
}
|
||
// Try to periodically flush buffered metrics to avoid OOMs
|
||
MediaWiki::emitBufferedStatsdData( $stats, $config );
|
||
}
|
||
);
|
||
// Check for other windows to run them. A script may read or do a few writes
|
||
// to the master but mostly be writing to something else, like a file store.
|
||
$lbFactory->getMainLB()->setTransactionListener(
|
||
__METHOD__,
|
||
function ( $trigger ) use ( $stats, $config ) {
|
||
// Check config in case of JobRunner and unit tests
|
||
if ( $config->get( 'CommandLineMode' ) && $trigger === IDatabase::TRIGGER_COMMIT ) {
|
||
DeferredUpdates::tryOpportunisticExecute( 'run' );
|
||
}
|
||
// Try to periodically flush buffered metrics to avoid OOMs
|
||
MediaWiki::emitBufferedStatsdData( $stats, $config );
|
||
}
|
||
);
|
||
}
|
||
|
||
/**
|
||
* Run a child maintenance script. Pass all of the current arguments
|
||
* to it.
|
||
* @param string $maintClass A name of a child maintenance class
|
||
* @param string|null $classFile Full path of where the child is
|
||
* @return Maintenance
|
||
*/
|
||
public function runChild( $maintClass, $classFile = null ) {
|
||
// Make sure the class is loaded first
|
||
if ( !class_exists( $maintClass ) ) {
|
||
if ( $classFile ) {
|
||
require_once $classFile;
|
||
}
|
||
if ( !class_exists( $maintClass ) ) {
|
||
$this->error( "Cannot spawn child: $maintClass" );
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @var Maintenance $child
|
||
*/
|
||
$child = new $maintClass();
|
||
$child->loadParamsAndArgs( $this->mSelf, $this->mOptions, $this->mArgs );
|
||
if ( !is_null( $this->mDb ) ) {
|
||
$child->setDB( $this->mDb );
|
||
}
|
||
|
||
return $child;
|
||
}
|
||
|
||
/**
|
||
* Do some sanity checking and basic setup
|
||
*/
|
||
public function setup() {
|
||
global $IP, $wgCommandLineMode;
|
||
|
||
# Abort if called from a web server
|
||
# wfIsCLI() is not available yet
|
||
if ( PHP_SAPI !== 'cli' && PHP_SAPI !== 'phpdbg' ) {
|
||
$this->fatalError( 'This script must be run from the command line' );
|
||
}
|
||
|
||
if ( $IP === null ) {
|
||
$this->fatalError( "\$IP not set, aborting!\n" .
|
||
'(Did you forget to call parent::__construct() in your maintenance script?)' );
|
||
}
|
||
|
||
# Make sure we can handle script parameters
|
||
if ( !defined( 'HPHP_VERSION' ) && !ini_get( 'register_argc_argv' ) ) {
|
||
$this->fatalError( 'Cannot get command line arguments, register_argc_argv is set to false' );
|
||
}
|
||
|
||
// Send PHP warnings and errors to stderr instead of stdout.
|
||
// This aids in diagnosing problems, while keeping messages
|
||
// out of redirected output.
|
||
if ( ini_get( 'display_errors' ) ) {
|
||
ini_set( 'display_errors', 'stderr' );
|
||
}
|
||
|
||
$this->loadParamsAndArgs();
|
||
|
||
# Set the memory limit
|
||
# Note we need to set it again later in cache LocalSettings changed it
|
||
$this->adjustMemoryLimit();
|
||
|
||
# Set max execution time to 0 (no limit). PHP.net says that
|
||
# "When running PHP from the command line the default setting is 0."
|
||
# But sometimes this doesn't seem to be the case.
|
||
ini_set( 'max_execution_time', 0 );
|
||
|
||
# Define us as being in MediaWiki
|
||
define( 'MEDIAWIKI', true );
|
||
|
||
$wgCommandLineMode = true;
|
||
|
||
# Turn off output buffering if it's on
|
||
while ( ob_get_level() > 0 ) {
|
||
ob_end_flush();
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Normally we disable the memory_limit when running admin scripts.
|
||
* Some scripts may wish to actually set a limit, however, to avoid
|
||
* blowing up unexpectedly. We also support a --memory-limit option,
|
||
* to allow sysadmins to explicitly set one if they'd prefer to override
|
||
* defaults (or for people using Suhosin which yells at you for trying
|
||
* to disable the limits)
|
||
* @return string
|
||
*/
|
||
public function memoryLimit() {
|
||
$limit = $this->getOption( 'memory-limit', 'max' );
|
||
$limit = trim( $limit, "\" '" ); // trim quotes in case someone misunderstood
|
||
return $limit;
|
||
}
|
||
|
||
/**
|
||
* Adjusts PHP's memory limit to better suit our needs, if needed.
|
||
*/
|
||
protected function adjustMemoryLimit() {
|
||
$limit = $this->memoryLimit();
|
||
if ( $limit == 'max' ) {
|
||
$limit = -1; // no memory limit
|
||
}
|
||
if ( $limit != 'default' ) {
|
||
ini_set( 'memory_limit', $limit );
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Activate the profiler (assuming $wgProfiler is set)
|
||
*/
|
||
protected function activateProfiler() {
|
||
global $wgProfiler, $wgProfileLimit, $wgTrxProfilerLimits;
|
||
|
||
$output = $this->getOption( 'profiler' );
|
||
if ( !$output ) {
|
||
return;
|
||
}
|
||
|
||
if ( is_array( $wgProfiler ) && isset( $wgProfiler['class'] ) ) {
|
||
$class = $wgProfiler['class'];
|
||
/** @var Profiler $profiler */
|
||
$profiler = new $class(
|
||
[ 'sampling' => 1, 'output' => [ $output ] ]
|
||
+ $wgProfiler
|
||
+ [ 'threshold' => $wgProfileLimit ]
|
||
);
|
||
$profiler->setAllowOutput();
|
||
Profiler::replaceStubInstance( $profiler );
|
||
}
|
||
|
||
$trxProfiler = Profiler::instance()->getTransactionProfiler();
|
||
$trxProfiler->setLogger( LoggerFactory::getInstance( 'DBPerformance' ) );
|
||
$trxProfiler->setExpectations( $wgTrxProfilerLimits['Maintenance'], __METHOD__ );
|
||
}
|
||
|
||
/**
|
||
* Clear all params and arguments.
|
||
*/
|
||
public function clearParamsAndArgs() {
|
||
$this->mOptions = [];
|
||
$this->mArgs = [];
|
||
$this->mInputLoaded = false;
|
||
}
|
||
|
||
/**
|
||
* Load params and arguments from a given array
|
||
* of command-line arguments
|
||
*
|
||
* @since 1.27
|
||
* @param array $argv
|
||
*/
|
||
public function loadWithArgv( $argv ) {
|
||
$options = [];
|
||
$args = [];
|
||
$this->orderedOptions = [];
|
||
|
||
# Parse arguments
|
||
for ( $arg = reset( $argv ); $arg !== false; $arg = next( $argv ) ) {
|
||
if ( $arg == '--' ) {
|
||
# End of options, remainder should be considered arguments
|
||
$arg = next( $argv );
|
||
while ( $arg !== false ) {
|
||
$args[] = $arg;
|
||
$arg = next( $argv );
|
||
}
|
||
break;
|
||
} elseif ( substr( $arg, 0, 2 ) == '--' ) {
|
||
# Long options
|
||
$option = substr( $arg, 2 );
|
||
if ( isset( $this->mParams[$option] ) && $this->mParams[$option]['withArg'] ) {
|
||
$param = next( $argv );
|
||
if ( $param === false ) {
|
||
$this->error( "\nERROR: $option parameter needs a value after it\n" );
|
||
$this->maybeHelp( true );
|
||
}
|
||
|
||
$this->setParam( $options, $option, $param );
|
||
} else {
|
||
$bits = explode( '=', $option, 2 );
|
||
$this->setParam( $options, $bits[0], $bits[1] ?? 1 );
|
||
}
|
||
} elseif ( $arg == '-' ) {
|
||
# Lonely "-", often used to indicate stdin or stdout.
|
||
$args[] = $arg;
|
||
} elseif ( substr( $arg, 0, 1 ) == '-' ) {
|
||
# Short options
|
||
$argLength = strlen( $arg );
|
||
for ( $p = 1; $p < $argLength; $p++ ) {
|
||
$option = $arg[$p];
|
||
if ( !isset( $this->mParams[$option] ) && isset( $this->mShortParamsMap[$option] ) ) {
|
||
$option = $this->mShortParamsMap[$option];
|
||
}
|
||
|
||
if ( isset( $this->mParams[$option]['withArg'] ) && $this->mParams[$option]['withArg'] ) {
|
||
$param = next( $argv );
|
||
if ( $param === false ) {
|
||
$this->error( "\nERROR: $option parameter needs a value after it\n" );
|
||
$this->maybeHelp( true );
|
||
}
|
||
$this->setParam( $options, $option, $param );
|
||
} else {
|
||
$this->setParam( $options, $option, 1 );
|
||
}
|
||
}
|
||
} else {
|
||
$args[] = $arg;
|
||
}
|
||
}
|
||
|
||
$this->mOptions = $options;
|
||
$this->mArgs = $args;
|
||
$this->loadSpecialVars();
|
||
$this->mInputLoaded = true;
|
||
}
|
||
|
||
/**
|
||
* Helper function used solely by loadParamsAndArgs
|
||
* to prevent code duplication
|
||
*
|
||
* This sets the param in the options array based on
|
||
* whether or not it can be specified multiple times.
|
||
*
|
||
* @since 1.27
|
||
* @param array $options
|
||
* @param string $option
|
||
* @param mixed $value
|
||
*/
|
||
private function setParam( &$options, $option, $value ) {
|
||
$this->orderedOptions[] = [ $option, $value ];
|
||
|
||
if ( isset( $this->mParams[$option] ) ) {
|
||
$multi = $this->mParams[$option]['multiOccurrence'];
|
||
} else {
|
||
$multi = false;
|
||
}
|
||
$exists = array_key_exists( $option, $options );
|
||
if ( $multi && $exists ) {
|
||
$options[$option][] = $value;
|
||
} elseif ( $multi ) {
|
||
$options[$option] = [ $value ];
|
||
} elseif ( !$exists ) {
|
||
$options[$option] = $value;
|
||
} else {
|
||
$this->error( "\nERROR: $option parameter given twice\n" );
|
||
$this->maybeHelp( true );
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Process command line arguments
|
||
* $mOptions becomes an array with keys set to the option names
|
||
* $mArgs becomes a zero-based array containing the non-option arguments
|
||
*
|
||
* @param string|null $self The name of the script, if any
|
||
* @param array|null $opts An array of options, in form of key=>value
|
||
* @param array|null $args An array of command line arguments
|
||
*/
|
||
public function loadParamsAndArgs( $self = null, $opts = null, $args = null ) {
|
||
# If we were given opts or args, set those and return early
|
||
if ( $self ) {
|
||
$this->mSelf = $self;
|
||
$this->mInputLoaded = true;
|
||
}
|
||
if ( $opts ) {
|
||
$this->mOptions = $opts;
|
||
$this->mInputLoaded = true;
|
||
}
|
||
if ( $args ) {
|
||
$this->mArgs = $args;
|
||
$this->mInputLoaded = true;
|
||
}
|
||
|
||
# If we've already loaded input (either by user values or from $argv)
|
||
# skip on loading it again. The array_shift() will corrupt values if
|
||
# it's run again and again
|
||
if ( $this->mInputLoaded ) {
|
||
$this->loadSpecialVars();
|
||
|
||
return;
|
||
}
|
||
|
||
global $argv;
|
||
$this->mSelf = $argv[0];
|
||
$this->loadWithArgv( array_slice( $argv, 1 ) );
|
||
}
|
||
|
||
/**
|
||
* Run some validation checks on the params, etc
|
||
*/
|
||
public function validateParamsAndArgs() {
|
||
$die = false;
|
||
# Check to make sure we've got all the required options
|
||
foreach ( $this->mParams as $opt => $info ) {
|
||
if ( $info['require'] && !$this->hasOption( $opt ) ) {
|
||
$this->error( "Param $opt required!" );
|
||
$die = true;
|
||
}
|
||
}
|
||
# Check arg list too
|
||
foreach ( $this->mArgList as $k => $info ) {
|
||
if ( $info['require'] && !$this->hasArg( $k ) ) {
|
||
$this->error( 'Argument <' . $info['name'] . '> required!' );
|
||
$die = true;
|
||
}
|
||
}
|
||
if ( !$this->mAllowUnregisteredOptions ) {
|
||
# Check for unexpected options
|
||
foreach ( $this->mOptions as $opt => $val ) {
|
||
if ( !$this->supportsOption( $opt ) ) {
|
||
$this->error( "Unexpected option $opt!" );
|
||
$die = true;
|
||
}
|
||
}
|
||
}
|
||
|
||
$this->maybeHelp( $die );
|
||
}
|
||
|
||
/**
|
||
* Handle the special variables that are global to all scripts
|
||
*/
|
||
protected function loadSpecialVars() {
|
||
if ( $this->hasOption( 'dbuser' ) ) {
|
||
$this->mDbUser = $this->getOption( 'dbuser' );
|
||
}
|
||
if ( $this->hasOption( 'dbpass' ) ) {
|
||
$this->mDbPass = $this->getOption( 'dbpass' );
|
||
}
|
||
if ( $this->hasOption( 'quiet' ) ) {
|
||
$this->mQuiet = true;
|
||
}
|
||
if ( $this->hasOption( 'batch-size' ) ) {
|
||
$this->mBatchSize = intval( $this->getOption( 'batch-size' ) );
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Maybe show the help.
|
||
* @param bool $force Whether to force the help to show, default false
|
||
*/
|
||
protected function maybeHelp( $force = false ) {
|
||
if ( !$force && !$this->hasOption( 'help' ) ) {
|
||
return;
|
||
}
|
||
|
||
$screenWidth = 80; // TODO: Calculate this!
|
||
$tab = " ";
|
||
$descWidth = $screenWidth - ( 2 * strlen( $tab ) );
|
||
|
||
ksort( $this->mParams );
|
||
$this->mQuiet = false;
|
||
|
||
// Description ...
|
||
if ( $this->mDescription ) {
|
||
$this->output( "\n" . wordwrap( $this->mDescription, $screenWidth ) . "\n" );
|
||
}
|
||
$output = "\nUsage: php " . basename( $this->mSelf );
|
||
|
||
// ... append parameters ...
|
||
if ( $this->mParams ) {
|
||
$output .= " [--" . implode( "|--", array_keys( $this->mParams ) ) . "]";
|
||
}
|
||
|
||
// ... and append arguments.
|
||
if ( $this->mArgList ) {
|
||
$output .= ' ';
|
||
foreach ( $this->mArgList as $k => $arg ) {
|
||
if ( $arg['require'] ) {
|
||
$output .= '<' . $arg['name'] . '>';
|
||
} else {
|
||
$output .= '[' . $arg['name'] . ']';
|
||
}
|
||
if ( $k < count( $this->mArgList ) - 1 ) {
|
||
$output .= ' ';
|
||
}
|
||
}
|
||
}
|
||
$this->output( "$output\n\n" );
|
||
|
||
# TODO abstract some repetitive code below
|
||
|
||
// Generic parameters
|
||
$this->output( "Generic maintenance parameters:\n" );
|
||
foreach ( $this->mGenericParameters as $par => $info ) {
|
||
if ( $info['shortName'] !== false ) {
|
||
$par .= " (-{$info['shortName']})";
|
||
}
|
||
$this->output(
|
||
wordwrap( "$tab--$par: " . $info['desc'], $descWidth,
|
||
"\n$tab$tab" ) . "\n"
|
||
);
|
||
}
|
||
$this->output( "\n" );
|
||
|
||
$scriptDependantParams = $this->mDependantParameters;
|
||
if ( count( $scriptDependantParams ) > 0 ) {
|
||
$this->output( "Script dependant parameters:\n" );
|
||
// Parameters description
|
||
foreach ( $scriptDependantParams as $par => $info ) {
|
||
if ( $info['shortName'] !== false ) {
|
||
$par .= " (-{$info['shortName']})";
|
||
}
|
||
$this->output(
|
||
wordwrap( "$tab--$par: " . $info['desc'], $descWidth,
|
||
"\n$tab$tab" ) . "\n"
|
||
);
|
||
}
|
||
$this->output( "\n" );
|
||
}
|
||
|
||
// Script specific parameters not defined on construction by
|
||
// Maintenance::addDefaultParams()
|
||
$scriptSpecificParams = array_diff_key(
|
||
# all script parameters:
|
||
$this->mParams,
|
||
# remove the Maintenance default parameters:
|
||
$this->mGenericParameters,
|
||
$this->mDependantParameters
|
||
);
|
||
if ( count( $scriptSpecificParams ) > 0 ) {
|
||
$this->output( "Script specific parameters:\n" );
|
||
// Parameters description
|
||
foreach ( $scriptSpecificParams as $par => $info ) {
|
||
if ( $info['shortName'] !== false ) {
|
||
$par .= " (-{$info['shortName']})";
|
||
}
|
||
$this->output(
|
||
wordwrap( "$tab--$par: " . $info['desc'], $descWidth,
|
||
"\n$tab$tab" ) . "\n"
|
||
);
|
||
}
|
||
$this->output( "\n" );
|
||
}
|
||
|
||
// Print arguments
|
||
if ( count( $this->mArgList ) > 0 ) {
|
||
$this->output( "Arguments:\n" );
|
||
// Arguments description
|
||
foreach ( $this->mArgList as $info ) {
|
||
$openChar = $info['require'] ? '<' : '[';
|
||
$closeChar = $info['require'] ? '>' : ']';
|
||
$this->output(
|
||
wordwrap( "$tab$openChar" . $info['name'] . "$closeChar: " .
|
||
$info['desc'], $descWidth, "\n$tab$tab" ) . "\n"
|
||
);
|
||
}
|
||
$this->output( "\n" );
|
||
}
|
||
|
||
die( 1 );
|
||
}
|
||
|
||
/**
|
||
* Handle some last-minute setup here.
|
||
*/
|
||
public function finalSetup() {
|
||
global $wgCommandLineMode, $wgServer, $wgShowExceptionDetails, $wgShowHostnames;
|
||
global $wgDBadminuser, $wgDBadminpassword, $wgDBDefaultGroup;
|
||
global $wgDBuser, $wgDBpassword, $wgDBservers, $wgLBFactoryConf;
|
||
|
||
# Turn off output buffering again, it might have been turned on in the settings files
|
||
if ( ob_get_level() ) {
|
||
ob_end_flush();
|
||
}
|
||
# Same with these
|
||
$wgCommandLineMode = true;
|
||
|
||
# Override $wgServer
|
||
if ( $this->hasOption( 'server' ) ) {
|
||
$wgServer = $this->getOption( 'server', $wgServer );
|
||
}
|
||
|
||
# If these were passed, use them
|
||
if ( $this->mDbUser ) {
|
||
$wgDBadminuser = $this->mDbUser;
|
||
}
|
||
if ( $this->mDbPass ) {
|
||
$wgDBadminpassword = $this->mDbPass;
|
||
}
|
||
if ( $this->hasOption( 'dbgroupdefault' ) ) {
|
||
$wgDBDefaultGroup = $this->getOption( 'dbgroupdefault', null );
|
||
|
||
MediaWikiServices::getInstance()->getDBLoadBalancerFactory()->destroy();
|
||
}
|
||
|
||
if ( $this->getDbType() == self::DB_ADMIN && isset( $wgDBadminuser ) ) {
|
||
$wgDBuser = $wgDBadminuser;
|
||
$wgDBpassword = $wgDBadminpassword;
|
||
|
||
if ( $wgDBservers ) {
|
||
/**
|
||
* @var array $wgDBservers
|
||
*/
|
||
foreach ( $wgDBservers as $i => $server ) {
|
||
$wgDBservers[$i]['user'] = $wgDBuser;
|
||
$wgDBservers[$i]['password'] = $wgDBpassword;
|
||
}
|
||
}
|
||
if ( isset( $wgLBFactoryConf['serverTemplate'] ) ) {
|
||
$wgLBFactoryConf['serverTemplate']['user'] = $wgDBuser;
|
||
$wgLBFactoryConf['serverTemplate']['password'] = $wgDBpassword;
|
||
}
|
||
MediaWikiServices::getInstance()->getDBLoadBalancerFactory()->destroy();
|
||
}
|
||
|
||
# Apply debug settings
|
||
if ( $this->hasOption( 'mwdebug' ) ) {
|
||
require __DIR__ . '/../includes/DevelopmentSettings.php';
|
||
}
|
||
|
||
// Per-script profiling; useful for debugging
|
||
$this->activateProfiler();
|
||
|
||
$this->afterFinalSetup();
|
||
|
||
$wgShowExceptionDetails = true;
|
||
$wgShowHostnames = true;
|
||
|
||
Wikimedia\suppressWarnings();
|
||
set_time_limit( 0 );
|
||
Wikimedia\restoreWarnings();
|
||
|
||
$this->adjustMemoryLimit();
|
||
}
|
||
|
||
/**
|
||
* Execute a callback function at the end of initialisation
|
||
*/
|
||
protected function afterFinalSetup() {
|
||
if ( defined( 'MW_CMDLINE_CALLBACK' ) ) {
|
||
call_user_func( MW_CMDLINE_CALLBACK );
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Potentially debug globals. Originally a feature only
|
||
* for refreshLinks
|
||
*/
|
||
public function globals() {
|
||
if ( $this->hasOption( 'globals' ) ) {
|
||
print_r( $GLOBALS );
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Generic setup for most installs. Returns the location of LocalSettings
|
||
* @return string
|
||
*/
|
||
public function loadSettings() {
|
||
global $wgCommandLineMode, $IP;
|
||
|
||
if ( isset( $this->mOptions['conf'] ) ) {
|
||
$settingsFile = $this->mOptions['conf'];
|
||
} elseif ( defined( "MW_CONFIG_FILE" ) ) {
|
||
$settingsFile = MW_CONFIG_FILE;
|
||
} else {
|
||
$settingsFile = "$IP/LocalSettings.php";
|
||
}
|
||
if ( isset( $this->mOptions['wiki'] ) ) {
|
||
$bits = explode( '-', $this->mOptions['wiki'], 2 );
|
||
define( 'MW_DB', $bits[0] );
|
||
define( 'MW_PREFIX', $bits[1] ?? '' );
|
||
} elseif ( isset( $this->mOptions['server'] ) ) {
|
||
// Provide the option for site admins to detect and configure
|
||
// multiple wikis based on server names. This offers --server
|
||
// as alternative to --wiki.
|
||
// See https://www.mediawiki.org/wiki/Manual:Wiki_family
|
||
$_SERVER['SERVER_NAME'] = $this->mOptions['server'];
|
||
}
|
||
|
||
if ( !is_readable( $settingsFile ) ) {
|
||
$this->fatalError( "A copy of your installation's LocalSettings.php\n" .
|
||
"must exist and be readable in the source directory.\n" .
|
||
"Use --conf to specify it." );
|
||
}
|
||
$wgCommandLineMode = true;
|
||
|
||
return $settingsFile;
|
||
}
|
||
|
||
/**
|
||
* Support function for cleaning up redundant text records
|
||
* @param bool $delete Whether or not to actually delete the records
|
||
* @author Rob Church <robchur@gmail.com>
|
||
*/
|
||
public function purgeRedundantText( $delete = true ) {
|
||
global $wgMultiContentRevisionSchemaMigrationStage;
|
||
|
||
# Data should come off the master, wrapped in a transaction
|
||
$dbw = $this->getDB( DB_MASTER );
|
||
$this->beginTransaction( $dbw, __METHOD__ );
|
||
|
||
if ( $wgMultiContentRevisionSchemaMigrationStage & SCHEMA_COMPAT_READ_OLD ) {
|
||
# Get "active" text records from the revisions table
|
||
$cur = [];
|
||
$this->output( 'Searching for active text records in revisions table...' );
|
||
$res = $dbw->select( 'revision', 'rev_text_id', [], __METHOD__, [ 'DISTINCT' ] );
|
||
foreach ( $res as $row ) {
|
||
$cur[] = $row->rev_text_id;
|
||
}
|
||
$this->output( "done.\n" );
|
||
|
||
# Get "active" text records from the archive table
|
||
$this->output( 'Searching for active text records in archive table...' );
|
||
$res = $dbw->select( 'archive', 'ar_text_id', [], __METHOD__, [ 'DISTINCT' ] );
|
||
foreach ( $res as $row ) {
|
||
# old pre-MW 1.5 records can have null ar_text_id's.
|
||
if ( $row->ar_text_id !== null ) {
|
||
$cur[] = $row->ar_text_id;
|
||
}
|
||
}
|
||
$this->output( "done.\n" );
|
||
} else {
|
||
# Get "active" text records via the content table
|
||
$cur = [];
|
||
$this->output( 'Searching for active text records via contents table...' );
|
||
$res = $dbw->select( 'content', 'content_address', [], __METHOD__, [ 'DISTINCT' ] );
|
||
$blobStore = MediaWikiServices::getInstance()->getBlobStore();
|
||
foreach ( $res as $row ) {
|
||
// @phan-suppress-next-line PhanUndeclaredMethod
|
||
$textId = $blobStore->getTextIdFromAddress( $row->content_address );
|
||
if ( $textId ) {
|
||
$cur[] = $textId;
|
||
}
|
||
}
|
||
$this->output( "done.\n" );
|
||
}
|
||
$this->output( "done.\n" );
|
||
|
||
# Get the IDs of all text records not in these sets
|
||
$this->output( 'Searching for inactive text records...' );
|
||
$cond = 'old_id NOT IN ( ' . $dbw->makeList( $cur ) . ' )';
|
||
$res = $dbw->select( 'text', 'old_id', [ $cond ], __METHOD__, [ 'DISTINCT' ] );
|
||
$old = [];
|
||
foreach ( $res as $row ) {
|
||
$old[] = $row->old_id;
|
||
}
|
||
$this->output( "done.\n" );
|
||
|
||
# Inform the user of what we're going to do
|
||
$count = count( $old );
|
||
$this->output( "$count inactive items found.\n" );
|
||
|
||
# Delete as appropriate
|
||
if ( $delete && $count ) {
|
||
$this->output( 'Deleting...' );
|
||
$dbw->delete( 'text', [ 'old_id' => $old ], __METHOD__ );
|
||
$this->output( "done.\n" );
|
||
}
|
||
|
||
$this->commitTransaction( $dbw, __METHOD__ );
|
||
}
|
||
|
||
/**
|
||
* Get the maintenance directory.
|
||
* @return string
|
||
*/
|
||
protected function getDir() {
|
||
return __DIR__;
|
||
}
|
||
|
||
/**
|
||
* Returns a database to be used by current maintenance script.
|
||
*
|
||
* This uses the main LBFactory instance by default unless overriden via setDB().
|
||
*
|
||
* This function has the same parameters as LoadBalancer::getConnection().
|
||
*
|
||
* @param int $db DB index (DB_REPLICA/DB_MASTER)
|
||
* @param string|string[] $groups default: empty array
|
||
* @param string|bool $dbDomain default: current wiki
|
||
* @return IMaintainableDatabase
|
||
*/
|
||
protected function getDB( $db, $groups = [], $dbDomain = false ) {
|
||
if ( $this->mDb === null ) {
|
||
return MediaWikiServices::getInstance()
|
||
->getDBLoadBalancerFactory()
|
||
->getMainLB( $dbDomain )
|
||
->getMaintenanceConnectionRef( $db, $groups, $dbDomain );
|
||
}
|
||
|
||
return $this->mDb;
|
||
}
|
||
|
||
/**
|
||
* Sets database object to be returned by getDB().
|
||
*
|
||
* @param IMaintainableDatabase $db
|
||
*/
|
||
public function setDB( IMaintainableDatabase $db ) {
|
||
$this->mDb = $db;
|
||
}
|
||
|
||
/**
|
||
* Begin a transcation on a DB
|
||
*
|
||
* This method makes it clear that begin() is called from a maintenance script,
|
||
* which has outermost scope. This is safe, unlike $dbw->begin() called in other places.
|
||
*
|
||
* @param IDatabase $dbw
|
||
* @param string $fname Caller name
|
||
* @since 1.27
|
||
*/
|
||
protected function beginTransaction( IDatabase $dbw, $fname ) {
|
||
$dbw->begin( $fname );
|
||
}
|
||
|
||
/**
|
||
* Commit the transcation on a DB handle and wait for replica DBs to catch up
|
||
*
|
||
* This method makes it clear that commit() is called from a maintenance script,
|
||
* which has outermost scope. This is safe, unlike $dbw->commit() called in other places.
|
||
*
|
||
* @param IDatabase $dbw
|
||
* @param string $fname Caller name
|
||
* @return bool Whether the replica DB wait succeeded
|
||
* @since 1.27
|
||
*/
|
||
protected function commitTransaction( IDatabase $dbw, $fname ) {
|
||
$dbw->commit( $fname );
|
||
$lbFactory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
|
||
$waitSucceeded = $lbFactory->waitForReplication(
|
||
[ 'timeout' => 30, 'ifWritesSince' => $this->lastReplicationWait ]
|
||
);
|
||
$this->lastReplicationWait = microtime( true );
|
||
return $waitSucceeded;
|
||
}
|
||
|
||
/**
|
||
* Rollback the transcation on a DB handle
|
||
*
|
||
* This method makes it clear that rollback() is called from a maintenance script,
|
||
* which has outermost scope. This is safe, unlike $dbw->rollback() called in other places.
|
||
*
|
||
* @param IDatabase $dbw
|
||
* @param string $fname Caller name
|
||
* @since 1.27
|
||
*/
|
||
protected function rollbackTransaction( IDatabase $dbw, $fname ) {
|
||
$dbw->rollback( $fname );
|
||
}
|
||
|
||
/**
|
||
* Lock the search index
|
||
* @param IMaintainableDatabase &$db
|
||
*/
|
||
private function lockSearchindex( $db ) {
|
||
$write = [ 'searchindex' ];
|
||
$read = [
|
||
'page',
|
||
'revision',
|
||
'text',
|
||
'interwiki',
|
||
'l10n_cache',
|
||
'user',
|
||
'page_restrictions'
|
||
];
|
||
$db->lockTables( $read, $write, __CLASS__ . '-searchIndexLock' );
|
||
}
|
||
|
||
/**
|
||
* Unlock the tables
|
||
* @param IMaintainableDatabase &$db
|
||
*/
|
||
private function unlockSearchindex( $db ) {
|
||
$db->unlockTables( __CLASS__ . '-searchIndexLock' );
|
||
}
|
||
|
||
/**
|
||
* Unlock and lock again
|
||
* Since the lock is low-priority, queued reads will be able to complete
|
||
* @param IMaintainableDatabase &$db
|
||
*/
|
||
private function relockSearchindex( $db ) {
|
||
$this->unlockSearchindex( $db );
|
||
$this->lockSearchindex( $db );
|
||
}
|
||
|
||
/**
|
||
* Perform a search index update with locking
|
||
* @param int $maxLockTime The maximum time to keep the search index locked.
|
||
* @param callable $callback The function that will update the function.
|
||
* @param IMaintainableDatabase $dbw
|
||
* @param array|IResultWrapper $results
|
||
*/
|
||
public function updateSearchIndex( $maxLockTime, $callback, $dbw, $results ) {
|
||
$lockTime = time();
|
||
|
||
# Lock searchindex
|
||
if ( $maxLockTime ) {
|
||
$this->output( " --- Waiting for lock ---" );
|
||
$this->lockSearchindex( $dbw );
|
||
$lockTime = time();
|
||
$this->output( "\n" );
|
||
}
|
||
|
||
# Loop through the results and do a search update
|
||
foreach ( $results as $row ) {
|
||
# Allow reads to be processed
|
||
if ( $maxLockTime && time() > $lockTime + $maxLockTime ) {
|
||
$this->output( " --- Relocking ---" );
|
||
$this->relockSearchindex( $dbw );
|
||
$lockTime = time();
|
||
$this->output( "\n" );
|
||
}
|
||
call_user_func( $callback, $dbw, $row );
|
||
}
|
||
|
||
# Unlock searchindex
|
||
if ( $maxLockTime ) {
|
||
$this->output( " --- Unlocking --" );
|
||
$this->unlockSearchindex( $dbw );
|
||
$this->output( "\n" );
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Update the searchindex table for a given pageid
|
||
* @param IDatabase $dbw A database write handle
|
||
* @param int $pageId The page ID to update.
|
||
* @return null|string
|
||
*/
|
||
public function updateSearchIndexForPage( $dbw, $pageId ) {
|
||
// Get current revision
|
||
$rev = Revision::loadFromPageId( $dbw, $pageId );
|
||
$title = null;
|
||
if ( $rev ) {
|
||
$titleObj = $rev->getTitle();
|
||
$title = $titleObj->getPrefixedDBkey();
|
||
$this->output( "$title..." );
|
||
# Update searchindex
|
||
$u = new SearchUpdate( $pageId, $titleObj, $rev->getContent() );
|
||
$u->doUpdate();
|
||
$this->output( "\n" );
|
||
}
|
||
|
||
return $title;
|
||
}
|
||
|
||
/**
|
||
* Count down from $seconds to zero on the terminal, with a one-second pause
|
||
* between showing each number. If the maintenance script is in quiet mode,
|
||
* this function does nothing.
|
||
*
|
||
* @since 1.31
|
||
*
|
||
* @codeCoverageIgnore
|
||
* @param int $seconds
|
||
*/
|
||
protected function countDown( $seconds ) {
|
||
if ( $this->isQuiet() ) {
|
||
return;
|
||
}
|
||
for ( $i = $seconds; $i >= 0; $i-- ) {
|
||
if ( $i != $seconds ) {
|
||
$this->output( str_repeat( "\x08", strlen( $i + 1 ) ) );
|
||
}
|
||
$this->output( $i );
|
||
if ( $i ) {
|
||
sleep( 1 );
|
||
}
|
||
}
|
||
$this->output( "\n" );
|
||
}
|
||
|
||
/**
|
||
* Wrapper for posix_isatty()
|
||
* We default as considering stdin a tty (for nice readline methods)
|
||
* but treating stout as not a tty to avoid color codes
|
||
*
|
||
* @param mixed $fd File descriptor
|
||
* @return bool
|
||
*/
|
||
public static function posix_isatty( $fd ) {
|
||
if ( !function_exists( 'posix_isatty' ) ) {
|
||
return !$fd;
|
||
} else {
|
||
return posix_isatty( $fd );
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Prompt the console for input
|
||
* @param string $prompt What to begin the line with, like '> '
|
||
* @return string Response
|
||
*/
|
||
public static function readconsole( $prompt = '> ' ) {
|
||
static $isatty = null;
|
||
if ( is_null( $isatty ) ) {
|
||
$isatty = self::posix_isatty( 0 /*STDIN*/ );
|
||
}
|
||
|
||
if ( $isatty && function_exists( 'readline' ) ) {
|
||
return readline( $prompt );
|
||
} else {
|
||
if ( $isatty ) {
|
||
$st = self::readlineEmulation( $prompt );
|
||
} else {
|
||
if ( feof( STDIN ) ) {
|
||
$st = false;
|
||
} else {
|
||
$st = fgets( STDIN, 1024 );
|
||
}
|
||
}
|
||
if ( $st === false ) {
|
||
return false;
|
||
}
|
||
$resp = trim( $st );
|
||
|
||
return $resp;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Emulate readline()
|
||
* @param string $prompt What to begin the line with, like '> '
|
||
* @return string
|
||
*/
|
||
private static function readlineEmulation( $prompt ) {
|
||
$bash = ExecutableFinder::findInDefaultPaths( 'bash' );
|
||
if ( !wfIsWindows() && $bash ) {
|
||
$retval = false;
|
||
$encPrompt = Shell::escape( $prompt );
|
||
$command = "read -er -p $encPrompt && echo \"\$REPLY\"";
|
||
$encCommand = Shell::escape( $command );
|
||
$line = Shell::escape( "$bash -c $encCommand", $retval, [], [ 'walltime' => 0 ] );
|
||
|
||
if ( $retval == 0 ) {
|
||
return $line;
|
||
} elseif ( $retval == 127 ) {
|
||
// Couldn't execute bash even though we thought we saw it.
|
||
// Shell probably spit out an error message, sorry :(
|
||
// Fall through to fgets()...
|
||
} else {
|
||
// EOF/ctrl+D
|
||
return false;
|
||
}
|
||
}
|
||
|
||
// Fallback... we'll have no editing controls, EWWW
|
||
if ( feof( STDIN ) ) {
|
||
return false;
|
||
}
|
||
print $prompt;
|
||
|
||
return fgets( STDIN, 1024 );
|
||
}
|
||
|
||
/**
|
||
* Get the terminal size as a two-element array where the first element
|
||
* is the width (number of columns) and the second element is the height
|
||
* (number of rows).
|
||
*
|
||
* @return array
|
||
*/
|
||
public static function getTermSize() {
|
||
$default = [ 80, 50 ];
|
||
if ( wfIsWindows() ) {
|
||
return $default;
|
||
}
|
||
if ( Shell::isDisabled() ) {
|
||
return $default;
|
||
}
|
||
// It's possible to get the screen size with VT-100 terminal escapes,
|
||
// but reading the responses is not possible without setting raw mode
|
||
// (unless you want to require the user to press enter), and that
|
||
// requires an ioctl(), which we can't do. So we have to shell out to
|
||
// something that can do the relevant syscalls. There are a few
|
||
// options. Linux and Mac OS X both have "stty size" which does the
|
||
// job directly.
|
||
$result = Shell::command( 'stty', 'size' )
|
||
->execute();
|
||
if ( $result->getExitCode() !== 0 ) {
|
||
return $default;
|
||
}
|
||
if ( !preg_match( '/^(\d+) (\d+)$/', $result->getStdout(), $m ) ) {
|
||
return $default;
|
||
}
|
||
return [ intval( $m[2] ), intval( $m[1] ) ];
|
||
}
|
||
|
||
/**
|
||
* Call this to set up the autoloader to allow classes to be used from the
|
||
* tests directory.
|
||
*/
|
||
public static function requireTestsAutoloader() {
|
||
require_once __DIR__ . '/../tests/common/TestsAutoLoader.php';
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Fake maintenance wrapper, mostly used for the web installer/updater
|
||
*/
|
||
class FakeMaintenance extends Maintenance {
|
||
protected $mSelf = "FakeMaintenanceScript";
|
||
|
||
public function execute() {
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Class for scripts that perform database maintenance and want to log the
|
||
* update in `updatelog` so we can later skip it
|
||
*/
|
||
abstract class LoggedUpdateMaintenance extends Maintenance {
|
||
public function __construct() {
|
||
parent::__construct();
|
||
$this->addOption( 'force', 'Run the update even if it was completed already' );
|
||
$this->setBatchSize( 200 );
|
||
}
|
||
|
||
public function execute() {
|
||
$db = $this->getDB( DB_MASTER );
|
||
$key = $this->getUpdateKey();
|
||
|
||
if ( !$this->hasOption( 'force' )
|
||
&& $db->selectRow( 'updatelog', '1', [ 'ul_key' => $key ], __METHOD__ )
|
||
) {
|
||
$this->output( "..." . $this->updateSkippedMessage() . "\n" );
|
||
|
||
return true;
|
||
}
|
||
|
||
if ( !$this->doDBUpdates() ) {
|
||
return false;
|
||
}
|
||
|
||
$db->insert( 'updatelog', [ 'ul_key' => $key ], __METHOD__, [ 'IGNORE' ] );
|
||
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* Message to show that the update was done already and was just skipped
|
||
* @return string
|
||
*/
|
||
protected function updateSkippedMessage() {
|
||
$key = $this->getUpdateKey();
|
||
|
||
return "Update '{$key}' already logged as completed. Use --force to run it again.";
|
||
}
|
||
|
||
/**
|
||
* Do the actual work. All child classes will need to implement this.
|
||
* Return true to log the update as done or false (usually on failure).
|
||
* @return bool
|
||
*/
|
||
abstract protected function doDBUpdates();
|
||
|
||
/**
|
||
* Get the update key name to go in the update log table
|
||
* @return string
|
||
*/
|
||
abstract protected function getUpdateKey();
|
||
}
|