YARN-11350. [Federation] Router Support DelegationToken With ZK.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/federation/store/FederationDelegationTokenStateStore.java

@@ -112,4 +112,39 @@ RouterRMTokenResponse removeStoredToken(RouterRMTokenRequest request)
    */
   RouterRMTokenResponse getTokenByRouterStoreToken(RouterRMTokenRequest request)
       throws YarnException, IOException;
+
+  /**
+   * The Router Supports incrementDelegationTokenSeqNum.
+   *
+   * @return DelegationTokenSeqNum.
+   */
+  int incrementDelegationTokenSeqNum();
+
+  /**
+   * The Router Supports getDelegationTokenSeqNum.
+   *
+   * @return DelegationTokenSeqNum.
+   */
+  int getDelegationTokenSeqNum();
+
+  /**
+   * The Router Supports setDelegationTokenSeqNum.
+   *
+   * @param seqNum DelegationTokenSeqNum.
+   */
+  void setDelegationTokenSeqNum(int seqNum);
+
+  /**
+   * The Router Supports getCurrentKeyId.
+   *
+   * @return CurrentKeyId.
+   */
+  int getCurrentKeyId();
+
+  /**
+   * The Router Supports incrementCurrentKeyId.
+   *
+   * @return CurrentKeyId.
+   */
+  int incrementCurrentKeyId();
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/federation/store/impl/MemoryFederationStateStore.java

@@ -27,6 +27,7 @@
 import java.util.Set;
 import java.util.TimeZone;
 import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.AtomicInteger;
 import java.util.stream.Collectors;
 import java.util.Comparator;
 
@@ -110,6 +111,8 @@ public class MemoryFederationStateStore implements FederationStateStore {
   private Map<String, SubClusterPolicyConfiguration> policies;
   private RouterRMDTSecretManagerState routerRMSecretManagerState;
   private int maxAppsInStateStore;
+  private AtomicInteger sequenceNum;
+  private AtomicInteger masterKeyId;
 
   private final MonotonicClock clock = new MonotonicClock();
 
@@ -126,6 +129,8 @@ public void init(Configuration conf) {
     maxAppsInStateStore = conf.getInt(
         YarnConfiguration.FEDERATION_STATESTORE_MAX_APPLICATIONS,
         YarnConfiguration.DEFAULT_FEDERATION_STATESTORE_MAX_APPLICATIONS);
+    sequenceNum = new AtomicInteger();
+    masterKeyId = new AtomicInteger();
   }
 
   @Override
@@ -534,6 +539,31 @@ public RouterRMTokenResponse getTokenByRouterStoreToken(RouterRMTokenRequest req
     return RouterRMTokenResponse.newInstance(resultToken);
   }
 
+  @Override
+  public int incrementDelegationTokenSeqNum() {
+    return sequenceNum.incrementAndGet();
+  }
+
+  @Override
+  public int getDelegationTokenSeqNum() {
+    return sequenceNum.get();
+  }
+
+  @Override
+  public void setDelegationTokenSeqNum(int seqNum) {
+    sequenceNum.set(seqNum);
+  }
+
+  @Override
+  public int getCurrentKeyId() {
+    return masterKeyId.get();
+  }
+
+  @Override
+  public int incrementCurrentKeyId() {
+    return masterKeyId.incrementAndGet();
+  }
+
   private void storeOrUpdateRouterRMDT(RMDelegationTokenIdentifier rmDTIdentifier,
       Long renewDate, boolean isUpdate) throws IOException {
     Map<RMDelegationTokenIdentifier, Long> rmDTState = routerRMSecretManagerState.getTokenState();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/federation/store/impl/SQLFederationStateStore.java

@@ -1394,4 +1394,29 @@ public RouterRMTokenResponse getTokenByRouterStoreToken(RouterRMTokenRequest req
       throws YarnException, IOException {
     throw new NotImplementedException("Code is not implemented");
   }
+
+  @Override
+  public int incrementDelegationTokenSeqNum() {
+    return 0;
+  }
+
+  @Override
+  public int getDelegationTokenSeqNum() {
+    return 0;
+  }
+
+  @Override
+  public void setDelegationTokenSeqNum(int seqNum) {
+    return;
+  }
+
+  @Override
+  public int getCurrentKeyId() {
+    return 0;
+  }
+
+  @Override
+  public int incrementCurrentKeyId() {
+    return 0;
+  }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/federation/store/impl/ZKFederationStateStoreOpDurations.java

@@ -89,6 +89,27 @@ public final class ZKFederationStateStoreOpDurations implements MetricsSource {
   @Metric("Duration for a update reservation homeSubCluster call")
   private MutableRate updateReservationHomeSubCluster;
 
+  @Metric("Duration for a store new master key call")
+  private MutableRate storeNewMasterKey;
+
+  @Metric("Duration for a remove new master key call")
+  private MutableRate removeStoredMasterKey;
+
+  @Metric("Duration for a get master key by delegation key call")
+  private MutableRate getMasterKeyByDelegationKey;
+
+  @Metric("Duration for a store new token call")
+  private MutableRate storeNewToken;
+
+  @Metric("Duration for a update stored token call")
+  private MutableRate updateStoredToken;
+
+  @Metric("Duration for a remove stored token call")
+  private MutableRate removeStoredToken;
+
+  @Metric("Duration for a get token by router store token call")
+  private MutableRate getTokenByRouterStoreToken;
+
   protected static final MetricsInfo RECORD_INFO =
       info("ZKFederationStateStoreOpDurations", "Durations of ZKFederationStateStore calls");
 
@@ -187,4 +208,32 @@ public void addDeleteReservationHomeSubClusterDuration(long startTime, long endT
   public void addUpdateReservationHomeSubClusterDuration(long startTime, long endTime) {
     updateReservationHomeSubCluster.add(endTime - startTime);
   }
+
+  public void addStoreNewMasterKeyDuration(long startTime, long endTime) {
+    storeNewMasterKey.add(endTime - startTime);
+  }
+
+  public void removeStoredMasterKeyDuration(long startTime, long endTime) {
+    removeStoredMasterKey.add(endTime - startTime);
+  }
+
+  public void getMasterKeyByDelegationKeyDuration(long startTime, long endTime) {
+    getMasterKeyByDelegationKey.add(endTime - startTime);
+  }
+
+  public void getStoreNewTokenDuration(long startTime, long endTime) {
+    storeNewToken.add(endTime - startTime);
+  }
+
+  public void updateStoredTokenDuration(long startTime, long endTime) {
+    updateStoredToken.add(endTime - startTime);
+  }
+
+  public void removeStoredTokenDuration(long startTime, long endTime) {
+    removeStoredToken.add(endTime - startTime);
+  }
+
+  public void getTokenByRouterStoreTokenDuration(long startTime, long endTime) {
+    getTokenByRouterStoreToken.add(endTime - startTime);
+  }
 }