mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Echo
synced 2024-12-11 07:26:29 +00:00
105f2a3845
Fix task idempotency. Check if a table exists before running the schema patch. Bug: T352113 Change-Id: If6f0930ea327df35fe118d4a08993c6383f9d579
65 lines
1.8 KiB
PHP
65 lines
1.8 KiB
PHP
<?php
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namespace MediaWiki\Extension\Notifications;
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use MediaWiki\Installer\Task\Task;
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use MediaWiki\Status\Status;
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use Wikimedia\Rdbms\DatabaseDomain;
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/**
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* TODO: replace this with virtual domains
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*
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* This is a temporary hack to support WMF production wiki creation, with
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* database creation in an external cluster. Core knows how to do this for
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* virtual domains, but this extension is not yet using a virtual domain. (T348573)
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*/
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class InstallSchemaTask extends Task {
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public function getName() {
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return 'echo-schema';
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}
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public function getDescription() {
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return 'Installing Echo tables';
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}
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public function getDependencies() {
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return [ 'services', 'schema' ];
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}
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public function getAliases() {
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// Group with extension tables so that things that depend on
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// extension tables will have this
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return 'extension-tables';
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}
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public function execute(): Status {
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$status = Status::newGood();
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$cluster = $this->getConfigVar( 'EchoCluster' );
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if ( !$cluster ) {
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// This case is adequately handled by LoadExtensionSchemaUpdates
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return $status;
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}
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// Get the load balancer
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$lbFactory = $this->getServices()->getDBLoadBalancerFactory();
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$databaseCreator = $this->getDatabaseCreator();
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$domainId = $lbFactory->getLocalDomainID();
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$database = DatabaseDomain::newFromId( $domainId )->getDatabase();
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$echoLB = $lbFactory->getExternalLB( $cluster );
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// Create database
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if ( !$databaseCreator->existsInLoadBalancer( $echoLB, $database ) ) {
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$databaseCreator->createInLoadBalancer( $echoLB, $database );
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}
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// Create tables
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$dbw = $echoLB->getMaintenanceConnectionRef( DB_PRIMARY );
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$dbw->setSchemaVars( $this->getContext()->getSchemaVars() );
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if ( !$dbw->tableExists( 'echo_event' ) ) {
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$status = $this->applySourceFile( $dbw, 'tables-generated.sql' );
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}
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return $status;
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}
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}
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