YARN-8405. RM zk-state-store.parent-path ACLs has been changed since HADOOP-14773. Contributed by Íñigo Goiri.

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/curator/ZKCuratorManager.java

@@ -290,6 +290,18 @@ public final class ZKCuratorManager {
    * @throws Exception If it cannot create the file.
    */
   public void createRootDirRecursively(String path) throws Exception {
+    createRootDirRecursively(path, null);
+  }
+
+  /**
+   * Utility function to ensure that the configured base znode exists.
+   * This recursively creates the znode as well as all of its parents.
+   * @param path Path of the znode to create.
+   * @param zkAcl ACLs for ZooKeeper.
+   * @throws Exception If it cannot create the file.
+   */
+  public void createRootDirRecursively(String path, List<ACL> zkAcl)
+      throws Exception {
     String[] pathParts = path.split("/");
     Preconditions.checkArgument(
         pathParts.length >= 1 && pathParts[0].isEmpty(),
@@ -298,7 +310,7 @@ public final class ZKCuratorManager {
 
     for (int i = 1; i < pathParts.length; i++) {
       sb.append("/").append(pathParts[i]);
-      create(sb.toString());
+      create(sb.toString(), zkAcl);
     }
   }
 

hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/store/driver/impl/StateStoreZooKeeperImpl.java

@@ -35,6 +35,7 @@ import org.apache.hadoop.hdfs.server.federation.store.records.BaseRecord;
 import org.apache.hadoop.hdfs.server.federation.store.records.Query;
 import org.apache.hadoop.hdfs.server.federation.store.records.QueryResult;
 import org.apache.hadoop.util.curator.ZKCuratorManager;
+import org.apache.zookeeper.data.ACL;
 import org.apache.zookeeper.data.Stat;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -70,6 +71,8 @@ public class StateStoreZooKeeperImpl extends StateStoreSerializableImpl {
 
   /** Interface to ZooKeeper. */
   private ZKCuratorManager zkManager;
+  /** ACLs for ZooKeeper. */
+  private List<ACL> zkAcl;
 
 
   @Override
@@ -83,6 +86,7 @@ public class StateStoreZooKeeperImpl extends StateStoreSerializableImpl {
     try {
       this.zkManager = new ZKCuratorManager(conf);
       this.zkManager.start();
+      this.zkAcl = ZKCuratorManager.getZKAcls(conf);
     } catch (IOException e) {
       LOG.error("Cannot initialize the ZK connection", e);
       return false;
@@ -95,7 +99,7 @@ public class StateStoreZooKeeperImpl extends StateStoreSerializableImpl {
       String className, Class<T> clazz) {
     try {
       String checkPath = getNodePath(baseZNode, className);
-      zkManager.createRootDirRecursively(checkPath);
+      zkManager.createRootDirRecursively(checkPath, zkAcl);
       return true;
     } catch (Exception e) {
       LOG.error("Cannot initialize ZK node for {}: {}",

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

@@ -73,6 +73,7 @@ import org.apache.hadoop.yarn.server.federation.store.utils.FederationMembership
 import org.apache.hadoop.yarn.server.federation.store.utils.FederationPolicyStoreInputValidator;
 import org.apache.hadoop.yarn.server.federation.store.utils.FederationStateStoreUtils;
 import org.apache.hadoop.yarn.server.records.Version;
+import org.apache.zookeeper.data.ACL;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -133,9 +134,10 @@ public class ZookeeperFederationStateStore implements FederationStateStore {
 
     // Create base znode for each entity
     try {
-      zkManager.createRootDirRecursively(membershipZNode);
-      zkManager.createRootDirRecursively(appsZNode);
-      zkManager.createRootDirRecursively(policiesZNode);
+      List<ACL> zkAcl = ZKCuratorManager.getZKAcls(conf);
+      zkManager.createRootDirRecursively(membershipZNode, zkAcl);
+      zkManager.createRootDirRecursively(appsZNode, zkAcl);
+      zkManager.createRootDirRecursively(policiesZNode, zkAcl);
     } catch (Exception e) {
       String errMsg = "Cannot create base directories: " + e.getMessage();
       FederationStateStoreUtils.logAndThrowStoreException(LOG, errMsg);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.java

@@ -379,7 +379,7 @@ public class ZKRMStateStore extends RMStateStore {
   @Override
   public synchronized void startInternal() throws Exception {
     // ensure root dirs exist
-    zkManager.createRootDirRecursively(znodeWorkingPath);
+    zkManager.createRootDirRecursively(znodeWorkingPath, zkAcl);
     create(zkRootNodePath);
     setRootNodeAcls();
     delete(fencingNodePath);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/conf/ZKConfigurationStore.java

@@ -90,7 +90,7 @@ public class ZKConfigurationStore extends YarnConfigurationStore {
     this.confStorePath = getNodePath(znodeParentPath, CONF_STORE_PATH);
     this.fencingNodePath = getNodePath(znodeParentPath, FENCING_PATH);
 
-    zkManager.createRootDirRecursively(znodeParentPath);
+    zkManager.createRootDirRecursively(znodeParentPath, zkAcl);
     zkManager.delete(fencingNodePath);
 
     if (!zkManager.exists(logsPath)) {

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

@@ -25,6 +25,7 @@ import org.apache.curator.test.TestingServer;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.CommonConfigurationKeys;
 import org.apache.hadoop.ha.HAServiceProtocol;
 import org.apache.hadoop.ha.HAServiceProtocol.StateChangeRequestInfo;
 import org.apache.hadoop.io.Text;
@@ -206,7 +207,7 @@ public class TestZKRMStateStore extends RMStateStoreTestBase {
 
     private RMStateStore createStore(Configuration conf) throws Exception {
       workingZnode = "/jira/issue/3077/rmstore";
-      conf.set(YarnConfiguration.RM_ZK_ADDRESS,
+      conf.set(CommonConfigurationKeys.ZK_ADDRESS,
           curatorTestingServer.getConnectString());
       conf.set(YarnConfiguration.ZK_RM_STATE_STORE_PARENT_PATH, workingZnode);
       conf.setLong(YarnConfiguration.RM_EPOCH, epoch);
@@ -339,7 +340,7 @@ public class TestZKRMStateStore extends RMStateStoreTestBase {
       public RMStateStore getRMStateStore() throws Exception {
         YarnConfiguration conf = new YarnConfiguration();
         workingZnode = "/jira/issue/3077/rmstore";
-        conf.set(YarnConfiguration.RM_ZK_ADDRESS,
+        conf.set(CommonConfigurationKeys.ZK_ADDRESS,
             curatorTestingServer.getConnectString());
         conf.set(YarnConfiguration.ZK_RM_STATE_STORE_PARENT_PATH, workingZnode);
         this.store = new TestZKRMStateStoreInternal(conf, workingZnode) {
@@ -380,9 +381,9 @@ public class TestZKRMStateStore extends RMStateStoreTestBase {
     conf.set(YarnConfiguration.RM_HA_IDS, rmIds);
     conf.setBoolean(YarnConfiguration.RECOVERY_ENABLED, true);
     conf.set(YarnConfiguration.RM_STORE, ZKRMStateStore.class.getName());
-    conf.set(YarnConfiguration.RM_ZK_ADDRESS,
+    conf.set(CommonConfigurationKeys.ZK_ADDRESS,
         curatorTestServer.getConnectString());
-    conf.setInt(YarnConfiguration.RM_ZK_TIMEOUT_MS, ZK_TIMEOUT_MS);
+    conf.setInt(CommonConfigurationKeys.ZK_TIMEOUT_MS, ZK_TIMEOUT_MS);
     conf.set(YarnConfiguration.RM_HA_ID, rmId);
     conf.set(YarnConfiguration.RM_WEBAPP_ADDRESS, "localhost:0");
     conf.setBoolean(
@@ -419,31 +420,37 @@ public class TestZKRMStateStore extends RMStateStoreTestBase {
   public void testZKRootPathAcls() throws Exception {
     StateChangeRequestInfo req = new StateChangeRequestInfo(
         HAServiceProtocol.RequestSource.REQUEST_BY_USER);
-    String rootPath =
-        YarnConfiguration.DEFAULT_ZK_RM_STATE_STORE_PARENT_PATH + "/" +
-            ZKRMStateStore.ROOT_ZNODE_NAME;
+    String parentPath = YarnConfiguration.DEFAULT_ZK_RM_STATE_STORE_PARENT_PATH;
+    String rootPath = parentPath + "/" + ZKRMStateStore.ROOT_ZNODE_NAME;
 
     // Start RM with HA enabled
     Configuration conf =
         createHARMConf("rm1,rm2", "rm1", 1234, false, curatorTestingServer);
+    conf.set(YarnConfiguration.RM_ZK_ACL, "world:anyone:rwca");
+    int perm = 23;// rwca=1+2+4+16
     ResourceManager rm = new MockRM(conf);
     rm.start();
     rm.getRMContext().getRMAdminService().transitionToActive(req);
-    List<ACL> acls =
-        ((ZKRMStateStore)rm.getRMContext().getStateStore()).getACL(rootPath);
+    ZKRMStateStore stateStore = (ZKRMStateStore) rm.getRMContext().getStateStore();
+    List<ACL> acls = stateStore.getACL(rootPath);
     assertEquals(acls.size(), 2);
     // CREATE and DELETE permissions for root node based on RM ID
     verifyZKACL("digest", "localhost", Perms.CREATE | Perms.DELETE, acls);
     verifyZKACL(
         "world", "anyone", Perms.ALL ^ (Perms.CREATE | Perms.DELETE), acls);
+
+    acls = stateStore.getACL(parentPath);
+    assertEquals(1, acls.size());
+    assertEquals(perm, acls.get(0).getPerms());
     rm.close();
 
     // Now start RM with HA disabled. NoAuth Exception should not be thrown.
     conf.setBoolean(YarnConfiguration.RM_HA_ENABLED, false);
+    conf.set(YarnConfiguration.RM_ZK_ACL, YarnConfiguration.DEFAULT_RM_ZK_ACL);
     rm = new MockRM(conf);
     rm.start();
     rm.getRMContext().getRMAdminService().transitionToActive(req);
-    acls = ((ZKRMStateStore)rm.getRMContext().getStateStore()).getACL(rootPath);
+    acls = stateStore.getACL(rootPath);
     assertEquals(acls.size(), 1);
     verifyZKACL("world", "anyone", Perms.ALL, acls);
     rm.close();
@@ -453,7 +460,7 @@ public class TestZKRMStateStore extends RMStateStoreTestBase {
     rm = new MockRM(conf);
     rm.start();
     rm.getRMContext().getRMAdminService().transitionToActive(req);
-    acls = ((ZKRMStateStore)rm.getRMContext().getStateStore()).getACL(rootPath);
+    acls = stateStore.getACL(rootPath);
     assertEquals(acls.size(), 2);
     verifyZKACL("digest", "localhost", Perms.CREATE | Perms.DELETE, acls);
     verifyZKACL(

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

@@ -22,13 +22,12 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.curator.test.TestingServer;
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.CommonConfigurationKeys;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
 import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStoreTestBase.TestDispatcher;
 import org.apache.hadoop.util.ZKUtil;
 
-import org.apache.zookeeper.CreateMode;
-import org.apache.zookeeper.ZooDefs;
 import org.apache.zookeeper.server.auth.DigestAuthenticationProvider;
 import org.junit.After;
 import org.junit.Assert;
@@ -38,7 +37,6 @@ import org.junit.Test;
 import java.security.NoSuchAlgorithmException;
 import java.util.concurrent.atomic.AtomicBoolean;
 
-import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
@@ -90,7 +88,7 @@ public class TestZKRMStateStoreZKClientConnections {
 
     public RMStateStore getRMStateStore(Configuration conf) throws Exception {
       String workingZnode = "/Test";
-      conf.set(YarnConfiguration.RM_ZK_ADDRESS,
+      conf.set(CommonConfigurationKeys.ZK_ADDRESS,
           testingServer.getConnectString());
       conf.set(YarnConfiguration.ZK_RM_STATE_STORE_PARENT_PATH, workingZnode);
       this.store = new TestZKRMStateStore(conf, workingZnode);
@@ -103,8 +101,8 @@ public class TestZKRMStateStoreZKClientConnections {
     TestZKClient zkClientTester = new TestZKClient();
     final String path = "/test";
     YarnConfiguration conf = new YarnConfiguration();
-    conf.setInt(YarnConfiguration.RM_ZK_TIMEOUT_MS, ZK_TIMEOUT_MS);
-    conf.setLong(YarnConfiguration.RM_ZK_RETRY_INTERVAL_MS, 100);
+    conf.setInt(CommonConfigurationKeys.ZK_TIMEOUT_MS, ZK_TIMEOUT_MS);
+    conf.setLong(CommonConfigurationKeys.ZK_RETRY_INTERVAL_MS, 100);
     final ZKRMStateStore store =
         (ZKRMStateStore) zkClientTester.getRMStateStore(conf);
     TestDispatcher dispatcher = new TestDispatcher();
@@ -133,7 +131,7 @@ public class TestZKRMStateStoreZKClientConnections {
   public void testSetZKAcl() {
     TestZKClient zkClientTester = new TestZKClient();
     YarnConfiguration conf = new YarnConfiguration();
-    conf.set(YarnConfiguration.RM_ZK_ACL, "world:anyone:rwca");
+    conf.set(CommonConfigurationKeys.ZK_ACL, "world:anyone:rwca");
     try {
       zkClientTester.store.delete(zkClientTester.store
           .znodeWorkingPath);
@@ -146,7 +144,7 @@ public class TestZKRMStateStoreZKClientConnections {
   public void testInvalidZKAclConfiguration() {
     TestZKClient zkClientTester = new TestZKClient();
     YarnConfiguration conf = new YarnConfiguration();
-    conf.set(YarnConfiguration.RM_ZK_ACL, "randomstring&*");
+    conf.set(CommonConfigurationKeys.ZK_ACL, "randomstring&*");
     try {
       zkClientTester.getRMStateStore(conf);
       fail("ZKRMStateStore created with bad ACL");
@@ -163,10 +161,10 @@ public class TestZKRMStateStoreZKClientConnections {
   public void testZKAuths() throws Exception {
     TestZKClient zkClientTester = new TestZKClient();
     YarnConfiguration conf = new YarnConfiguration();
-    conf.setInt(YarnConfiguration.RM_ZK_NUM_RETRIES, 1);
-    conf.setInt(YarnConfiguration.RM_ZK_TIMEOUT_MS, ZK_TIMEOUT_MS);
-    conf.set(YarnConfiguration.RM_ZK_ACL, TEST_ACL);
-    conf.set(YarnConfiguration.RM_ZK_AUTH, TEST_AUTH_GOOD);
+    conf.setInt(CommonConfigurationKeys.ZK_NUM_RETRIES, 1);
+    conf.setInt(CommonConfigurationKeys.ZK_TIMEOUT_MS, ZK_TIMEOUT_MS);
+    conf.set(CommonConfigurationKeys.ZK_ACL, TEST_ACL);
+    conf.set(CommonConfigurationKeys.ZK_AUTH, TEST_AUTH_GOOD);
 
     zkClientTester.getRMStateStore(conf);
   }