HDDS-11578. Unify constants for RATIS_SNAPSHOT_DIR (apache#7310)

(cherry picked from commit f784a84)

Author: weimingdiit

hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/scm/ha/SCMHAUtils.java

@@ -54,7 +54,7 @@
 import java.util.List;
 
 import static org.apache.hadoop.hdds.HddsConfigKeys.OZONE_METADATA_DIRS;
-import static org.apache.hadoop.ozone.OzoneConsts.SCM_RATIS_SNAPSHOT_DIR;
+import static org.apache.hadoop.ozone.OzoneConsts.OZONE_RATIS_SNAPSHOT_DIR;
 import static org.apache.hadoop.hdds.scm.ScmConfigKeys.OZONE_SCM_DEFAULT_SERVICE_ID;
 import static org.apache.hadoop.hdds.scm.ScmConfigKeys.OZONE_SCM_SERVICE_IDS_KEY;
 
@@ -159,7 +159,7 @@ public static String getSCMRatisSnapshotDirectory(ConfigurationSource conf) {
           OZONE_METADATA_DIRS);
       File metaDirPath = ServerUtils.getOzoneMetaDirPath(conf);
       snapshotDir =
-          Paths.get(metaDirPath.getPath(), SCM_RATIS_SNAPSHOT_DIR).toString();
+          Paths.get(metaDirPath.getPath(), OZONE_RATIS_SNAPSHOT_DIR).toString();
     }
     return snapshotDir;
   }

hadoop-hdds/common/src/main/java/org/apache/hadoop/ozone/OzoneConsts.java

@@ -387,10 +387,7 @@ private OzoneConsts() {
   // should remain prepared even after a restart.
   public static final String PREPARE_MARKER = "prepareMarker";
 
-  // TODO : rename this to OZONE_RATIS_SNAPSHOT_DIR and use it in both
-  // SCM and OM
-  public static final String OM_RATIS_SNAPSHOT_DIR = "snapshot";
-  public static final String SCM_RATIS_SNAPSHOT_DIR = "snapshot";
+  public static final String OZONE_RATIS_SNAPSHOT_DIR = "snapshot";
 
   public static final long DEFAULT_OM_UPDATE_ID = -1L;
 

hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java

@@ -274,7 +274,7 @@
 import static org.apache.hadoop.ozone.OzoneConsts.OM_METRICS_TEMP_FILE;
 import static org.apache.hadoop.ozone.OzoneConsts.OM_SNAPSHOT_DIR;
 import static org.apache.hadoop.ozone.OzoneConsts.PREPARE_MARKER_KEY;
-import static org.apache.hadoop.ozone.OzoneConsts.OM_RATIS_SNAPSHOT_DIR;
+import static org.apache.hadoop.ozone.OzoneConsts.OZONE_RATIS_SNAPSHOT_DIR;
 import static org.apache.hadoop.ozone.OzoneConsts.RPC_PORT;
 import static org.apache.hadoop.ozone.OzoneConsts.TRANSACTION_INFO_KEY;
 import static org.apache.hadoop.ozone.om.OMConfigKeys.OZONE_KEY_DELETING_LIMIT_PER_TASK;
@@ -1494,7 +1494,7 @@ private void initializeRatisDirs(OzoneConfiguration conf) throws IOException {
       // snapshot directory in Ratis storage directory. if yes, move it to
       // new snapshot directory.
 
-      File snapshotDir = new File(omRatisDirectory, OM_RATIS_SNAPSHOT_DIR);
+      File snapshotDir = new File(omRatisDirectory, OZONE_RATIS_SNAPSHOT_DIR);
 
       if (snapshotDir.isDirectory()) {
         FileUtils.moveDirectory(snapshotDir.toPath(),

hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/ratis/utils/OzoneManagerRatisUtils.java

@@ -110,7 +110,7 @@
 import org.slf4j.LoggerFactory;
 
 import static org.apache.hadoop.hdds.HddsConfigKeys.OZONE_METADATA_DIRS;
-import static org.apache.hadoop.ozone.OzoneConsts.OM_RATIS_SNAPSHOT_DIR;
+import static org.apache.hadoop.ozone.OzoneConsts.OZONE_RATIS_SNAPSHOT_DIR;
 import static org.apache.hadoop.ozone.om.OMConfigKeys.OZONE_OM_RATIS_SNAPSHOT_DIR;
 import static org.apache.hadoop.ozone.om.OzoneManagerUtils.getBucketLayout;
 
@@ -484,7 +484,7 @@ public static String getOMRatisSnapshotDirectory(ConfigurationSource conf) {
           OZONE_OM_RATIS_SNAPSHOT_DIR, OZONE_METADATA_DIRS);
       File metaDirPath = ServerUtils.getOzoneMetaDirPath(conf);
       snapshotDir = Paths.get(metaDirPath.getPath(),
-          OM_RATIS_SNAPSHOT_DIR).toString();
+          OZONE_RATIS_SNAPSHOT_DIR).toString();
     }
     return snapshotDir;
   }