Fix disk usage integ tests (#94945)

Disk usage integ tests started failing after #93524, fixed to ignore translog
when checking for tracked path. Also removed the linux only escape hatch,
since the spinning disk detection was removed from lucene in LUCENE-9576.

Closes #94935

server/src/internalClusterTest/java/org/elasticsearch/cluster/routing/allocation/DiskThresholdMonitorIT.java

@@ -8,7 +8,6 @@
 
 package org.elasticsearch.cluster.routing.allocation;
 
-import org.apache.lucene.tests.util.LuceneTestCase;
 import org.elasticsearch.cluster.DiskUsageIntegTestCase;
 import org.elasticsearch.cluster.metadata.IndexMetadata;
 import org.elasticsearch.cluster.routing.ShardRouting;
@@ -28,7 +27,6 @@ import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcke
 import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertBlocked;
 import static org.hamcrest.Matchers.equalTo;
 
-@LuceneTestCase.AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/94935")
 @ESIntegTestCase.ClusterScope(scope = ESIntegTestCase.Scope.TEST, numDataNodes = 0)
 public class DiskThresholdMonitorIT extends DiskUsageIntegTestCase {
 

server/src/internalClusterTest/java/org/elasticsearch/cluster/routing/allocation/decider/DiskThresholdDeciderIT.java

@@ -8,7 +8,6 @@
 
 package org.elasticsearch.cluster.routing.allocation.decider;
 
-import org.apache.lucene.tests.util.LuceneTestCase;
 import org.elasticsearch.action.admin.cluster.snapshots.create.CreateSnapshotResponse;
 import org.elasticsearch.action.admin.cluster.snapshots.restore.RestoreSnapshotResponse;
 import org.elasticsearch.action.admin.indices.stats.ShardStats;
@@ -54,7 +53,6 @@ import static org.hamcrest.Matchers.empty;
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.is;
 
-@LuceneTestCase.AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/94935")
 @ESIntegTestCase.ClusterScope(scope = ESIntegTestCase.Scope.TEST, numDataNodes = 0)
 public class DiskThresholdDeciderIT extends DiskUsageIntegTestCase {
 

test/framework/src/main/java/org/elasticsearch/cluster/DiskUsageIntegTestCase.java

@@ -11,7 +11,6 @@ package org.elasticsearch.cluster;
 import org.apache.lucene.tests.mockfile.FilterFileStore;
 import org.apache.lucene.tests.mockfile.FilterFileSystemProvider;
 import org.apache.lucene.tests.mockfile.FilterPath;
-import org.apache.lucene.util.Constants;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.core.IOUtils;
 import org.elasticsearch.core.PathUtils;
@@ -224,9 +223,9 @@ public class DiskUsageIntegTestCase extends ESIntegTestCase {
                 return fileStore;
             }
 
-            // On Linux, and only Linux, Lucene obtains a filestore for the index in order to determine whether it's on a spinning disk or
-            // not so it can configure the merge scheduler accordingly
-            assertTrue(path + " not tracked and not on Linux", Constants.LINUX);
+            // We check the total size available for translog in InternalEngine constructor and we allow that here,
+            // expecting to match a unique root path.
+            assertTrue(path + " not tracked and not translog", path.getFileName().toString().equals("translog"));
             final Set<Path> containingPaths = trackedPaths.keySet().stream().filter(path::startsWith).collect(Collectors.toSet());
             assertThat(path + " not contained in a unique tracked path", containingPaths, hasSize(1));
             return trackedPaths.get(containingPaths.iterator().next());

x-pack/plugin/autoscaling/src/internalClusterTest/java/org/elasticsearch/xpack/autoscaling/storage/ProactiveStorageIT.java

@@ -7,7 +7,6 @@
 
 package org.elasticsearch.xpack.autoscaling.storage;
 
-import org.apache.lucene.tests.util.LuceneTestCase;
 import org.elasticsearch.action.admin.indices.rollover.RolloverRequest;
 import org.elasticsearch.action.admin.indices.stats.IndicesStatsResponse;
 import org.elasticsearch.action.admin.indices.template.put.PutComposableIndexTemplateAction;
@@ -36,7 +35,6 @@ import java.util.stream.IntStream;
 
 import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
 
-@LuceneTestCase.AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/94935")
 @ESIntegTestCase.ClusterScope(scope = ESIntegTestCase.Scope.TEST, numDataNodes = 0)
 public class ProactiveStorageIT extends AutoscalingStorageIntegTestCase {
 

x-pack/plugin/autoscaling/src/internalClusterTest/java/org/elasticsearch/xpack/autoscaling/storage/ReactiveStorageIT.java

@@ -7,7 +7,6 @@
 
 package org.elasticsearch.xpack.autoscaling.storage;
 
-import org.apache.lucene.tests.util.LuceneTestCase;
 import org.elasticsearch.action.admin.indices.shrink.ResizeType;
 import org.elasticsearch.action.admin.indices.stats.IndicesStatsResponse;
 import org.elasticsearch.action.index.IndexRequestBuilder;
@@ -44,7 +43,6 @@ import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.is;
 import static org.hamcrest.Matchers.notNullValue;
 
-@LuceneTestCase.AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/94935")
 @ESIntegTestCase.ClusterScope(scope = ESIntegTestCase.Scope.TEST, numDataNodes = 0)
 public class ReactiveStorageIT extends AutoscalingStorageIntegTestCase {
 

x-pack/plugin/searchable-snapshots/src/internalClusterTest/java/org/elasticsearch/xpack/searchablesnapshots/allocation/SearchableSnapshotDiskThresholdIntegTests.java

@@ -7,7 +7,6 @@
 
 package org.elasticsearch.xpack.searchablesnapshots.allocation;
 
-import org.apache.lucene.tests.util.LuceneTestCase;
 import org.elasticsearch.action.ActionListener;
 import org.elasticsearch.blobcache.shared.SharedBlobCacheService;
 import org.elasticsearch.cluster.ClusterInfoService;
@@ -71,7 +70,6 @@ import static org.elasticsearch.xpack.core.searchablesnapshots.MountSearchableSn
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.is;
 
-@LuceneTestCase.AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/94935")
 @ESIntegTestCase.ClusterScope(scope = ESIntegTestCase.Scope.TEST, numDataNodes = 0)
 public class SearchableSnapshotDiskThresholdIntegTests extends DiskUsageIntegTestCase {