Backport WikiMap/JobQueueGroup logic to handle hyphenated DB names
[lhc/web/wiklou.git] / includes / jobqueue / JobQueueGroup.php
index addc7fc..df55fc5 100644 (file)
@@ -33,8 +33,8 @@ class JobQueueGroup {
        /** @var ProcessCacheLRU */
        protected $cache;
 
-       /** @var string Wiki ID */
-       protected $wiki;
+       /** @var string Wiki DB domain ID */
+       protected $domain;
        /** @var string|bool Read only rationale (or false if r/w) */
        protected $readOnlyReason;
        /** @var bool Whether the wiki is not recognized in configuration */
@@ -56,34 +56,40 @@ class JobQueueGroup {
        const CACHE_VERSION = 1; // integer; cache version
 
        /**
-        * @param string $wiki Wiki ID
+        * @param string $domain Wiki DB domain ID
         * @param string|bool $readOnlyReason Read-only reason or false
         */
-       protected function __construct( $wiki, $readOnlyReason ) {
-               $this->wiki = $wiki;
+       protected function __construct( $domain, $readOnlyReason ) {
+               $this->domain = $domain;
                $this->readOnlyReason = $readOnlyReason;
                $this->cache = new ProcessCacheLRU( 10 );
        }
 
        /**
-        * @param bool|string $wiki Wiki ID
+        * @param bool|string $domain Wiki domain ID
         * @return JobQueueGroup
         */
-       public static function singleton( $wiki = false ) {
+       public static function singleton( $domain = false ) {
                global $wgLocalDatabases;
 
-               $wiki = ( $wiki === false ) ? wfWikiID() : $wiki;
+               if ( $domain === false ) {
+                       $domain = WikiMap::getCurrentWikiDbDomain()->getId();
+               }
 
-               if ( !isset( self::$instances[$wiki] ) ) {
-                       self::$instances[$wiki] = new self( $wiki, wfConfiguredReadOnlyReason() );
+               if ( !isset( self::$instances[$domain] ) ) {
+                       self::$instances[$domain] = new self( $domain, wfConfiguredReadOnlyReason() );
                        // Make sure jobs are not getting pushed to bogus wikis. This can confuse
                        // the job runner system into spawning endless RPC requests that fail (T171371).
-                       if ( $wiki !== wfWikiID() && !in_array( $wiki, $wgLocalDatabases ) ) {
-                               self::$instances[$wiki]->invalidWiki = true;
+                       $wikiId = WikiMap::getWikiIdFromDomain( $domain );
+                       if (
+                               !WikiMap::isCurrentWikiDbDomain( $domain ) &&
+                               !in_array( $wikiId, $wgLocalDatabases )
+                       ) {
+                               self::$instances[$domain]->invalidWiki = true;
                        }
                }
 
-               return self::$instances[$wiki];
+               return self::$instances[$domain];
        }
 
        /**
@@ -104,7 +110,7 @@ class JobQueueGroup {
        public function get( $type ) {
                global $wgJobTypeConf;
 
-               $conf = [ 'wiki' => $this->wiki, 'type' => $type ];
+               $conf = [ 'wiki' => $this->domain, 'type' => $type ];
                if ( isset( $wgJobTypeConf[$type] ) ) {
                        $conf = $conf + $wgJobTypeConf[$type];
                } else {
@@ -133,7 +139,7 @@ class JobQueueGroup {
 
                if ( $this->invalidWiki ) {
                        // Do not enqueue job that cannot be run (T171371)
-                       $e = new LogicException( "Domain '{$this->wiki}' is not recognized." );
+                       $e = new LogicException( "Domain '{$this->domain}' is not recognized." );
                        MWExceptionHandler::logException( $e );
                        return;
                }
@@ -163,13 +169,13 @@ class JobQueueGroup {
 
                $cache = ObjectCache::getLocalClusterInstance();
                $cache->set(
-                       $cache->makeGlobalKey( 'jobqueue', $this->wiki, 'hasjobs', self::TYPE_ANY ),
+                       $cache->makeGlobalKey( 'jobqueue', $this->domain, 'hasjobs', self::TYPE_ANY ),
                        'true',
                        15
                );
                if ( array_diff( array_keys( $jobsByType ), $wgJobTypesExcludedFromDefaultQueue ) ) {
                        $cache->set(
-                               $cache->makeGlobalKey( 'jobqueue', $this->wiki, 'hasjobs', self::TYPE_DEFAULT ),
+                               $cache->makeGlobalKey( 'jobqueue', $this->domain, 'hasjobs', self::TYPE_DEFAULT ),
                                'true',
                                15
                        );
@@ -190,7 +196,7 @@ class JobQueueGroup {
        public function lazyPush( $jobs ) {
                if ( $this->invalidWiki ) {
                        // Do not enqueue job that cannot be run (T171371)
-                       throw new LogicException( "Domain '{$this->wiki}' is not recognized." );
+                       throw new LogicException( "Domain '{$this->domain}' is not recognized." );
                }
 
                if ( PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg' ) {
@@ -338,7 +344,7 @@ class JobQueueGroup {
         */
        public function queuesHaveJobs( $type = self::TYPE_ANY ) {
                $cache = ObjectCache::getLocalClusterInstance();
-               $key = $cache->makeGlobalKey( 'jobqueue', $this->wiki, 'hasjobs', $type );
+               $key = $cache->makeGlobalKey( 'jobqueue', $this->domain, 'hasjobs', $type );
 
                $value = $cache->get( $key );
                if ( $value === false ) {
@@ -407,7 +413,7 @@ class JobQueueGroup {
                        $this->coalescedQueues = [];
                        foreach ( $wgJobTypeConf as $type => $conf ) {
                                $queue = JobQueue::factory(
-                                       [ 'wiki' => $this->wiki, 'type' => 'null' ] + $conf );
+                                       [ 'wiki' => $this->domain, 'type' => 'null' ] + $conf );
                                $loc = $queue->getCoalesceLocationInternal();
                                if ( !isset( $this->coalescedQueues[$loc] ) ) {
                                        $this->coalescedQueues[$loc]['queue'] = $queue;
@@ -433,22 +439,21 @@ class JobQueueGroup {
         */
        private function getCachedConfigVar( $name ) {
                // @TODO: cleanup this whole method with a proper config system
-               if ( $this->wiki === wfWikiID() ) {
+               if ( WikiMap::isCurrentWikiDbDomain( $this->domain ) ) {
                        return $GLOBALS[$name]; // common case
                } else {
-                       $wiki = $this->wiki;
+                       $wiki = WikiMap::getWikiIdFromDomain( $this->domain );
                        $cache = ObjectCache::getMainWANInstance();
                        $value = $cache->getWithSetCallback(
-                               $cache->makeGlobalKey( 'jobqueue', 'configvalue', $wiki, $name ),
+                               $cache->makeGlobalKey( 'jobqueue', 'configvalue', $this->domain, $name ),
                                $cache::TTL_DAY + mt_rand( 0, $cache::TTL_DAY ),
                                function () use ( $wiki, $name ) {
                                        global $wgConf;
-
+                                       // @TODO: use the full domain ID here
                                        return [ 'v' => $wgConf->getConfig( $wiki, $name ) ];
                                },
                                [ 'pcTTL' => WANObjectCache::TTL_PROC_LONG ]
                        );
-
                        return $value['v'];
                }
        }