YARN-7141. Move logging APIs to slf4j in timelineservice after ATSv2 merge. Contributed by Varun Saxena

(cherry picked from commit dcd0bedcc8113dd5e1d852c242ae9511d1b3d58e)

Conflicts:
	hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMHATimelineCollectors.java
	hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/reader/security/TimelineReaderWhitelistAuthorizationFilter.java

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMHATimelineCollectors.java

@@ -26,8 +26,6 @@ import org.apache.hadoop.yarn.server.timelineservice.storage.FileSystemTimelineW
 import org.apache.hadoop.yarn.server.timelineservice.storage.TimelineWriter;
 import org.junit.Before;
 import org.junit.Test;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -40,8 +38,6 @@ import static org.junit.Assert.assertEquals;
  * transition.
  */
 public class TestRMHATimelineCollectors extends RMHATestBase {
-  public static final Logger LOG = LoggerFactory
-      .getLogger(TestRMHATimelineCollectors.class);
 
   @Before
   @Override

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/reader/EntityTypeReader.java

@@ -86,9 +86,7 @@ public final class EntityTypeReader extends AbstractTimelineStorageReader {
     typeFilterList.addFilter(new FirstKeyOnlyFilter());
     typeFilterList.addFilter(new KeyOnlyFilter());
     typeFilterList.addFilter(new PageFilter(1));
-    if (LOG.isDebugEnabled()) {
-      LOG.debug("FilterList created for scan is - " + typeFilterList);
-    }
+    LOG.debug("FilterList created for scan is - {}", typeFilterList);
 
     int counter = 0;
     while (true) {
@@ -112,10 +110,7 @@ public final class EntityTypeReader extends AbstractTimelineStorageReader {
         currRowKey = getNextRowKey(prefix.getRowKeyPrefix(), currType);
       }
     }
-    if (LOG.isDebugEnabled()) {
-      LOG.debug("Scanned " + counter + "records for "
-          + types.size() + "types");
-    }
+    LOG.debug("Scanned {} records for {} types", counter, types.size());
     return types;
   }
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/subapplication/SubApplicationTable.java

@@ -19,8 +19,6 @@ package org.apache.hadoop.yarn.server.timelineservice.storage.subapplication;
 
 import java.io.IOException;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HColumnDescriptor;
 import org.apache.hadoop.hbase.HTableDescriptor;
@@ -30,6 +28,8 @@ import org.apache.hadoop.hbase.regionserver.BloomType;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.BaseTable;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.TimelineHBaseSchemaConstants;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * The sub application table has column families:
@@ -103,7 +103,7 @@ public class SubApplicationTable extends BaseTable<SubApplicationTable> {
   /** default max number of versions. */
   private static final int DEFAULT_METRICS_MAX_VERSIONS = 10000;
 
-  private static final Log LOG = LogFactory.getLog(
+  private static final Logger LOG = LoggerFactory.getLogger(
       SubApplicationTable.class);
 
   public SubApplicationTable() {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/collector/AppLevelTimelineCollectorWithAgg.java

@@ -112,9 +112,7 @@ public class AppLevelTimelineCollectorWithAgg
   private class AppLevelAggregator implements Runnable {
 
     private void aggregate() {
-      if (LOG.isDebugEnabled()) {
-        LOG.debug("App-level real-time aggregating");
-      }
+      LOG.debug("App-level real-time aggregating");
       if (!isReadyToAggregate()) {
         LOG.warn("App-level collector is not ready, skip aggregation. ");
         return;
@@ -137,9 +135,7 @@ public class AppLevelTimelineCollectorWithAgg
       } catch (Exception e) {
         LOG.error("Error aggregating timeline metrics", e);
       }
-      if (LOG.isDebugEnabled()) {
-        LOG.debug("App-level real-time aggregation complete");
-      }
+      LOG.debug("App-level real-time aggregation complete");
     }
 
     @Override

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/security/TimelineV2DelegationTokenSecretManagerService.java

@@ -20,8 +20,6 @@ package org.apache.hadoop.yarn.server.timelineservice.security;
 
 import java.io.IOException;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.classification.InterfaceStability.Unstable;
 import org.apache.hadoop.io.Text;
@@ -30,6 +28,8 @@ import org.apache.hadoop.security.token.Token;
 import org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager;
 import org.apache.hadoop.yarn.security.client.TimelineDelegationTokenIdentifier;
 import org.apache.hadoop.yarn.server.timeline.security.TimelineDelgationTokenSecretManagerService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * The service wrapper of {@link TimelineV2DelegationTokenSecretManager}.
@@ -75,8 +75,8 @@ public class TimelineV2DelegationTokenSecretManagerService extends
   public static class TimelineV2DelegationTokenSecretManager extends
       AbstractDelegationTokenSecretManager<TimelineDelegationTokenIdentifier> {
 
-    private static final Log LOG =
-        LogFactory.getLog(TimelineV2DelegationTokenSecretManager.class);
+    private static final Logger LOG =
+        LoggerFactory.getLogger(TimelineV2DelegationTokenSecretManager.class);
 
     /**
      * Create a timeline v2 secret manager.