HBASE-29611: With FILE based SFT, the list of HFiles we maintain in .filelist is n…

hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/storefiletracker/StoreFileTrackerBase.java

@@ -32,6 +32,7 @@
 import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.backup.HFileArchiver;
 import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;
@@ -85,7 +86,9 @@ protected StoreFileTrackerBase(Configuration conf, boolean isPrimaryReplica, Sto
 
   @Override
   public final List<StoreFileInfo> load() throws IOException {
-    return doLoadStoreFiles(!isPrimaryReplica);
+    return doLoadStoreFiles(
+      !isPrimaryReplica || conf.getBoolean(HConstants.HBASE_GLOBAL_READONLY_ENABLED_KEY,
+        HConstants.HBASE_GLOBAL_READONLY_ENABLED_DEFAULT));
   }
 
   @Override
@@ -98,7 +101,10 @@ public final void add(Collection<StoreFileInfo> newFiles) throws IOException {
   @Override
   public final void replace(Collection<StoreFileInfo> compactedFiles,
     Collection<StoreFileInfo> newFiles) throws IOException {
-    if (isPrimaryReplica) {
+    if (
+      isPrimaryReplica && !conf.getBoolean(HConstants.HBASE_GLOBAL_READONLY_ENABLED_KEY,
+        HConstants.HBASE_GLOBAL_READONLY_ENABLED_DEFAULT)
+    ) {
       doAddCompactionResults(compactedFiles, newFiles);
     }
   }

hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/storefiletracker/DummyStoreFileTrackerForReadOnlyMode.java

@@ -0,0 +1,69 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hbase.regionserver.storefiletracker;
+
+import java.io.IOException;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hbase.regionserver.StoreFileInfo;
+
+public class DummyStoreFileTrackerForReadOnlyMode extends StoreFileTrackerBase {
+  private boolean readOnlyUsed = false;
+  private boolean compactionExecuted = false;
+
+  public DummyStoreFileTrackerForReadOnlyMode(Configuration conf, boolean isPrimaryReplica) {
+    super(conf, isPrimaryReplica, null);
+  }
+
+  @Override
+  protected void doAddCompactionResults(Collection<StoreFileInfo> compactedFiles,
+    Collection<StoreFileInfo> newFiles) {
+    compactionExecuted = true;
+  }
+
+  @Override
+  protected void doSetStoreFiles(Collection<StoreFileInfo> files) throws IOException {
+
+  }
+
+  @Override
+  protected List<StoreFileInfo> doLoadStoreFiles(boolean readOnly) {
+    readOnlyUsed = readOnly;
+    return Collections.emptyList();
+  }
+
+  @Override
+  protected void doAddNewStoreFiles(Collection<StoreFileInfo> newFiles) throws IOException {
+
+  }
+
+  boolean wasReadOnlyLoad() {
+    return readOnlyUsed;
+  }
+
+  boolean wasCompactionExecuted() {
+    return compactionExecuted;
+  }
+
+  @Override
+  public boolean requireWritingToTmpDirFirst() {
+    return false;
+  }
+}

hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/storefiletracker/TestStoreFileTrackerBaseReadOnlyMode.java

@@ -0,0 +1,90 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hbase.regionserver.storefiletracker;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import java.util.Collections;
+import org.apache.hadoop.hbase.HBaseClassTestRule;
+import org.apache.hadoop.hbase.TestRefreshHFilesBase;
+import org.apache.hadoop.hbase.master.procedure.TestRefreshHFilesProcedureWithReadOnlyConf;
+import org.apache.hadoop.hbase.testclassification.RegionServerTests;
+import org.apache.hadoop.hbase.testclassification.SmallTests;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+@Category({ RegionServerTests.class, SmallTests.class })
+public class TestStoreFileTrackerBaseReadOnlyMode extends TestRefreshHFilesBase {
+  private DummyStoreFileTrackerForReadOnlyMode tracker;
+
+  @ClassRule
+  public static final HBaseClassTestRule CLASS_RULE =
+    HBaseClassTestRule.forClass(TestRefreshHFilesProcedureWithReadOnlyConf.class);
+
+  @Before
+  public void setup() throws Exception {
+    // When true is passed only setup for readonly property is done.
+    // The initial ReadOnly property will be false for table creation
+    baseSetup(true);
+  }
+
+  @After
+  public void tearDown() throws Exception {
+    baseTearDown();
+  }
+
+  @Test
+  public void testLoadReadOnlyWhenGlobalReadOnlyEnabled() throws Exception {
+    try {
+      setReadOnlyMode(true);
+      tracker = new DummyStoreFileTrackerForReadOnlyMode(conf, true);
+      tracker.load();
+      assertTrue("Tracker should be in read-only mode", tracker.wasReadOnlyLoad());
+    } catch (Exception e) {
+      throw new RuntimeException(e);
+    } finally {
+      setReadOnlyMode(false);
+    }
+  }
+
+  @Test
+  public void testReplaceSkippedWhenGlobalReadOnlyEnabled() throws Exception {
+    try {
+      setReadOnlyMode(true);
+      tracker = new DummyStoreFileTrackerForReadOnlyMode(conf, true);
+      tracker.replace(Collections.emptyList(), Collections.emptyList());
+      assertFalse("Compaction should not be executed in readonly mode",
+        tracker.wasCompactionExecuted());
+    } catch (Exception e) {
+      throw new RuntimeException(e);
+    } finally {
+      setReadOnlyMode(false);
+    }
+  }
+
+  @Test
+  public void testReplaceExecutedWhenWritable() throws Exception {
+    tracker = new DummyStoreFileTrackerForReadOnlyMode(conf, true);
+    tracker.replace(Collections.emptyList(), Collections.emptyList());
+    assertTrue("Compaction should run when not readonly", tracker.wasCompactionExecuted());
+  }
+}