* @defgroup Maintenance Maintenance
*/
-// Include global constants, including MW_VERSION and MW_MIN_PHP_VERSION
-require_once( dirname( __FILE__ ) . '/includes/Defines.php' );
+// Make sure we're on PHP5 or better
+if ( !function_exists( 'version_compare' ) || version_compare( PHP_VERSION, '5.3.2' ) < 0 ) {
+ require_once( dirname( __FILE__ ) . '/../includes/PHPVersionError.php' );
+ wfPHPVersionError( 'cli' );
+}
+
+/**
+ * @defgroup MaintenanceArchive Maintenance archives
+ * @ingroup Maintenance
+ */
// Define this so scripts can easily find doMaintenance.php
-define( 'RUN_MAINTENANCE_IF_MAIN', dirname( __FILE__ ) . '/doMaintenance.php' );
+define( 'RUN_MAINTENANCE_IF_MAIN', __DIR__ . '/doMaintenance.php' );
define( 'DO_MAINTENANCE', RUN_MAINTENANCE_IF_MAIN ); // original name, harmless
$maintClass = false;
-// Make sure we're on PHP5 or better
-if ( version_compare( PHP_VERSION, MW_MIN_PHP_VERSION ) < 0 ) {
- die ( "Sorry! This version of MediaWiki requires PHP " . MW_MIN_PHP_VERSION . "; you are running " .
- PHP_VERSION . ".\n\n" .
- "If you are sure you already have PHP " . MW_MIN_PHP_VERSION . " or higher installed, it may be\n" .
- "installed in a different path from PHP " . PHP_VERSION . ". Check with your system\n" .
- "administrator.\n" );
-}
-
-// Wrapper for posix_isatty()
-if ( !function_exists( 'posix_isatty' ) ) {
- # We default as considering stdin a tty (for nice readline methods)
- # but treating stout as not a tty to avoid color codes
- function posix_isatty( $fd ) {
- return !$fd;
- }
-}
/**
* Abstract maintenance class for quickly writing and churning out
// Generic options which might or not be supported by the script
private $mDependantParameters = array();
+ /**
+ * Used by getDD() / setDB()
+ * @var DatabaseBase
+ */
+ private $mDb = null;
+
/**
* List of all the core maintenance scripts. This is added
* to scripts added by extensions in $wgMaintenanceScripts
global $IP;
$IP = strval( getenv( 'MW_INSTALL_PATH' ) ) !== ''
? getenv( 'MW_INSTALL_PATH' )
- : realpath( dirname( __FILE__ ) . '/..' );
+ : realpath( __DIR__ . '/..' );
$this->addDefaultParams();
register_shutdown_function( array( $this, 'outputChanneled' ), false );
/**
* Should we execute the maintenance script, or just allow it to be included
* as a standalone class? It checks that the call stack only includes this
- * function and a require (meaning was called from the file scope)
+ * function and "requires" (meaning was called from the file scope)
*
* @return Boolean
*/
public static function shouldExecute() {
$bt = debug_backtrace();
- if( count( $bt ) !== 2 ) {
- return false;
+ $count = count( $bt );
+ if ( $count < 2 ) {
+ return false; // sanity
}
- return in_array( $bt[1]['function'], array( 'require_once', 'require', 'include' ) ) &&
- $bt[0]['class'] == 'Maintenance' &&
- $bt[0]['function'] == 'shouldExecute';
+ if ( $bt[0]['class'] !== 'Maintenance' || $bt[0]['function'] !== 'shouldExecute' ) {
+ return false; // last call should be to this function
+ }
+ $includeFuncs = array( 'require_once', 'require', 'include', 'include_once' );
+ for( $i=1; $i < $count; $i++ ) {
+ if ( !in_array( $bt[$i]['function'], $includeFuncs ) ) {
+ return false; // previous calls should all be "requires"
+ }
+ }
+ return true;
}
/**
*/
protected function setBatchSize( $s = 0 ) {
$this->mBatchSize = $s;
+
+ // If we support $mBatchSize, show the option.
+ // Used to be in addDefaultParams, but in order for that to
+ // work, subclasses would have to call this function in the constructor
+ // before they called parent::__construct which is just weird
+ // (and really wasn't done).
+ if ( $this->mBatchSize ) {
+ $this->addOption( 'batch-size', 'Run this many operations ' .
+ 'per batch, default: ' . $this->mBatchSize, false, true );
+ if ( isset( $this->mParams['batch-size'] ) ) {
+ // This seems a little ugly...
+ $this->mDependantParameters['batch-size'] = $this->mParams['batch-size'];
+ }
+ }
}
/**
return rtrim( $input );
}
+ /**
+ * @return bool
+ */
public function isQuiet() {
return $this->mQuiet;
}
}
if ( $channel === null ) {
$this->cleanupChanneled();
-
- $f = fopen( 'php://stdout', 'w' );
- fwrite( $f, $out );
- fclose( $f );
- }
- else {
+ 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 $err String: the error to display
- * @param $die Boolean: If true, go ahead and die out.
+ * @param $die Int: if > 0, go ahead and die out using this int as the code
*/
- protected function error( $err, $die = false ) {
+ protected function error( $err, $die = 0 ) {
$this->outputChanneled( false );
if ( php_sapi_name() == 'cli' ) {
fwrite( STDERR, $err . "\n" );
} else {
- $f = fopen( 'php://stderr', 'w' );
- fwrite( $f, $err . "\n" );
- fclose( $f );
+ print $err;
}
- if ( $die ) {
- die();
+ $die = intval( $die );
+ if ( $die > 0 ) {
+ die( $die );
}
}
*/
public function cleanupChanneled() {
if ( !$this->atLineStart ) {
- $handle = fopen( 'php://stdout', 'w' );
- fwrite( $handle, "\n" );
- fclose( $handle );
+ print "\n";
$this->atLineStart = true;
}
}
* same channel are concatenated, but any intervening messages in another
* channel start a new line.
* @param $msg String: the message without trailing newline
- * @param $channel Channel identifier or null for no
+ * @param $channel string Channel identifier or null for no
* channel. Channel comparison uses ===.
*/
public function outputChanneled( $msg, $channel = null ) {
return;
}
- $handle = fopen( 'php://stdout', 'w' );
-
// End the current line if necessary
if ( !$this->atLineStart && $channel !== $this->lastChannel ) {
- fwrite( $handle, "\n" );
+ print "\n";
}
- fwrite( $handle, $msg );
+ print $msg;
$this->atLineStart = false;
if ( $channel === null ) {
// For unchanneled messages, output trailing newline immediately
- fwrite( $handle, "\n" );
+ print "\n";
$this->atLineStart = true;
}
$this->lastChannel = $channel;
-
- // Cleanup handle
- fclose( $handle );
}
/**
$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 );
}
- // If we support $mBatchSize, show the option
- if ( $this->mBatchSize ) {
- $this->addOption( 'batch-size', 'Run this many operations ' .
- 'per batch, default: ' . $this->mBatchSize, false, true );
- }
+
# Save additional script dependant options to display
# them separately in help
$this->mDependantParameters = array_diff_key( $this->mParams, $this->mGenericParameters );
}
}
+ /**
+ * @var $child Maintenance
+ */
$child = new $maintClass();
$child->loadParamsAndArgs( $this->mSelf, $this->mOptions, $this->mArgs );
+ if ( !is_null( $this->mDb ) ) {
+ $child->setDB( $this->mDb );
+ }
return $child;
}
* 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' );
} elseif ( substr( $arg, 0, 2 ) == '--' ) {
# Long options
$option = substr( $arg, 2 );
+ if ( array_key_exists( $option, $options ) ) {
+ $this->error( "\nERROR: $option parameter given twice\n" );
+ $this->maybeHelp( true );
+ }
if ( isset( $this->mParams[$option] ) && $this->mParams[$option]['withArg'] ) {
$param = next( $argv );
if ( $param === false ) {
- $this->error( "\nERROR: $option needs a value after it\n" );
+ $this->error( "\nERROR: $option parameter needs a value after it\n" );
$this->maybeHelp( true );
}
$options[$option] = $param;
if ( !isset( $this->mParams[$option] ) && isset( $this->mShortParamsMap[$option] ) ) {
$option = $this->mShortParamsMap[$option];
}
+ if ( array_key_exists( $option, $options ) ) {
+ $this->error( "\nERROR: $option parameter given twice\n" );
+ $this->maybeHelp( true );
+ }
if ( isset( $this->mParams[$option]['withArg'] ) && $this->mParams[$option]['withArg'] ) {
$param = next( $argv );
if ( $param === false ) {
- $this->error( "\nERROR: $option needs a value after it\n" );
+ $this->error( "\nERROR: $option parameter needs a value after it\n" );
$this->maybeHelp( true );
}
$options[$option] = $param;
$this->mQuiet = true;
}
if ( $this->hasOption( 'batch-size' ) ) {
- $this->mBatchSize = $this->getOption( 'batch-size' );
+ $this->mBatchSize = intval( $this->getOption( 'batch-size' ) );
}
}
$wgDBpassword = $wgDBadminpassword;
if ( $wgDBservers ) {
+ /**
+ * @var $wgDBservers array
+ */
foreach ( $wgDBservers as $i => $server ) {
$wgDBservers[$i]['user'] = $wgDBuser;
$wgDBservers[$i]['password'] = $wgDBpassword;
}
}
- /**
- * Do setup specific to WMF
- */
- public function loadWikimediaSettings() {
- global $IP, $wgNoDBParam, $wgUseNormalUser, $wgConf, $site, $lang;
-
- if ( empty( $wgNoDBParam ) ) {
- # Check if we were passed a db name
- if ( isset( $this->mOptions['wiki'] ) ) {
- $db = $this->mOptions['wiki'];
- } else {
- $db = array_shift( $this->mArgs );
- }
- list( $site, $lang ) = $wgConf->siteFromDB( $db );
-
- # If not, work out the language and site the old way
- if ( is_null( $site ) || is_null( $lang ) ) {
- if ( !$db ) {
- $lang = 'aa';
- } else {
- $lang = $db;
- }
- if ( isset( $this->mArgs[0] ) ) {
- $site = array_shift( $this->mArgs );
- } else {
- $site = 'wikipedia';
- }
- }
- } else {
- $lang = 'aa';
- $site = 'wikipedia';
- }
-
- # This is for the IRC scripts, which now run as the apache user
- # The apache user doesn't have access to the wikiadmin_pass command
- if ( $_ENV['USER'] == 'apache' ) {
- # if ( posix_geteuid() == 48 ) {
- $wgUseNormalUser = true;
- }
-
- putenv( 'wikilang=' . $lang );
-
- ini_set( 'include_path', ".:$IP:$IP/includes:$IP/languages:$IP/maintenance" );
-
- if ( $lang == 'test' && $site == 'wikipedia' ) {
- define( 'TESTWIKI', 1 );
- }
- }
-
/**
* Generic setup for most installs. Returns the location of LocalSettings
* @return String
*/
public function loadSettings() {
- global $wgWikiFarm, $wgCommandLineMode, $IP;
+ global $wgCommandLineMode, $IP;
- $wgWikiFarm = false;
if ( isset( $this->mOptions['conf'] ) ) {
$settingsFile = $this->mOptions['conf'];
- } else if ( defined("MW_CONFIG_FILE") ) {
+ } elseif ( defined("MW_CONFIG_FILE") ) {
$settingsFile = MW_CONFIG_FILE;
} else {
$settingsFile = "$IP/LocalSettings.php";
*/
public function purgeRedundantText( $delete = true ) {
# Data should come off the master, wrapped in a transaction
- $dbw = wfGetDB( DB_MASTER );
- $dbw->begin();
+ $dbw = $this->getDB( DB_MASTER );
+ $dbw->begin( __METHOD__ );
$tbl_arc = $dbw->tableName( 'archive' );
$tbl_rev = $dbw->tableName( 'revision' );
}
# Done
- $dbw->commit();
+ $dbw->commit( __METHOD__ );
}
/**
* Get the maintenance directory.
+ * @return string
*/
protected function getDir() {
- return dirname( __FILE__ );
+ return __DIR__;
}
/**
protected static function getCoreScripts() {
if ( !self::$mCoreScripts ) {
$paths = array(
- dirname( __FILE__ ),
- dirname( __FILE__ ) . '/gearman',
- dirname( __FILE__ ) . '/language',
- dirname( __FILE__ ) . '/storage',
+ __DIR__,
+ __DIR__ . '/language',
+ __DIR__ . '/storage',
);
self::$mCoreScripts = array();
foreach ( $paths as $p ) {
return self::$mCoreScripts;
}
+ /**
+ * Returns a database to be used by current maintenance script. It can be set by setDB().
+ * If not set, wfGetDB() will be used.
+ * This function has the same parameters as wfGetDB()
+ *
+ * @return DatabaseBase
+ */
+ protected function &getDB( $db, $groups = array(), $wiki = false ) {
+ if ( is_null( $this->mDb ) ) {
+ return wfGetDB( $db, $groups, $wiki );
+ } else {
+ return $this->mDb;
+ }
+ }
+
+ /**
+ * Sets database object to be returned by getDB().
+ *
+ * @param $db DatabaseBase: Database object to be used
+ */
+ public function setDB( &$db ) {
+ $this->mDb = $db;
+ }
+
/**
* Lock the search index
- * @param &$db Database object
+ * @param &$db DatabaseBase object
*/
private function lockSearchindex( &$db ) {
$write = array( 'searchindex' );
/**
* Unlock the tables
- * @param &$db Database object
+ * @param &$db DatabaseBase object
*/
private function unlockSearchindex( &$db ) {
$db->unlockTables( __CLASS__ . '::' . __METHOD__ );
/**
* Unlock and lock again
* Since the lock is low-priority, queued reads will be able to complete
- * @param &$db Database object
+ * @param &$db DatabaseBase object
*/
private function relockSearchindex( &$db ) {
$this->unlockSearchindex( $db );
/**
* Update the searchindex table for a given pageid
- * @param $dbw Database: a database write handle
+ * @param $dbw DatabaseBase a database write handle
* @param $pageId Integer: the page ID to update.
+ * @return null|string
*/
public function updateSearchIndexForPage( $dbw, $pageId ) {
// Get current revision
return $title;
}
+ /**
+ * 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 $fd int File descriptor
+ * @return bool
+ */
+ public static function posix_isatty( $fd ) {
+ if ( !MWInit::functionExists( 'posix_isatty' ) ) {
+ return !$fd;
+ } else {
+ return posix_isatty( $fd );
+ }
+ }
+
/**
* Prompt the console for input
* @param $prompt String what to begin the line with, like '> '
public static function readconsole( $prompt = '> ' ) {
static $isatty = null;
if ( is_null( $isatty ) ) {
- $isatty = posix_isatty( 0 /*STDIN*/ );
+ $isatty = self::posix_isatty( 0 /*STDIN*/ );
}
if ( $isatty && function_exists( 'readline' ) ) {
}
}
+/**
+ * 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', array( 'ul_key' => $key ), __METHOD__ ) )
+ {
+ $this->output( "..." . $this->updateSkippedMessage() . "\n" );
+ return true;
+ }
+
+ if ( !$this->doDBUpdates() ) {
+ return false;
+ }
+
+ if (
+ $db->insert( 'updatelog', array( 'ul_key' => $key ), __METHOD__, 'IGNORE' ) )
+ {
+ return true;
+ } else {
+ $this->output( $this->updatelogFailedMessage() . "\n" );
+ return false;
+ }
+ }
+
+ /**
+ * 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.";
+ }
+
+ /**
+ * Message to show the the update log was unable to log the completion of this update
+ * @return String
+ */
+ protected function updatelogFailedMessage() {
+ $key = $this->getUpdateKey();
+ return "Unable to log update '{$key}' as completed.";
+ }
+
+ /**
+ * 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();
+}