CMSP-789: Config XML (#176)

CMSP-789: Resolves issue with solrconfig.xml

composer.json

@@ -41,7 +41,7 @@
         "ext-curl": "*",
         "ext-json": "*",
         "ext-zip": "*",
-        "drupal/search_api_solr": "^4.2",
+        "drupal/search_api_solr": "^4.3",
         "guzzlehttp/guzzle": "^6.5.7|^7.5",
         "http-interop/http-factory-guzzle": "^1.0",
         "kint-php/kint": "^4.1",

src/EventSubscriber/SearchApiPantheonSolrConfigFilesAlter.php

@@ -24,6 +24,7 @@ final class SearchApiPantheonSolrConfigFilesAlter implements EventSubscriberInte
    */
   public function onPostConfigFilesGenerationEvent(PostConfigFilesGenerationEvent $event): void {
     $files = $event->getConfigFiles();
+
     // Append at the end of the file.
     $solrcore_properties = explode(PHP_EOL, $files['solrcore.properties']);
     // Remove the solr.install.dir if it exists
@@ -36,6 +37,11 @@ public function onPostConfigFilesGenerationEvent(PostConfigFilesGenerationEvent
     // This file is causing undue issues with core restarts
     unset($files['solrcore.properties']);
 
+    $install_dir = isset($_ENV['PANTHEON_SOLR_INSTALL_DIR']) ? $_ENV['PANTHEON_SOLR_INSTALL_DIR'] : "/opt/solr/";
+
+    $files['solrconfig.xml'] = str_replace("solr.install.dir:../../../..",
+      "solr.install.dir:" . $install_dir, $files['solrconfig.xml']);
+
     $event->setConfigFiles($files);
   }