Resolved the issue where the custom database prefix was lost after th…

…e primary cluster created the database.
ExpediaGroup · Feb 10, 2025 · f3d9228 · f3d9228
1 parent bb3861f
commit f3d9228
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Showing 6 changed files with 80 additions and 2 deletions.
diff --git a/waggle-dance-api/src/main/java/com/hotels/bdp/waggledance/api/model/AbstractMetaStore.java b/waggle-dance-api/src/main/java/com/hotels/bdp/waggledance/api/model/AbstractMetaStore.java
@@ -80,6 +80,20 @@ public AbstractMetaStore(
     this.writableDatabaseWhitelist = writableDatabaseWhitelist;
   }
 
+  public AbstractMetaStore(
+          String name,
+          String remoteMetaStoreUris,
+          String databasePrefix,
+          AccessControlType accessControlType,
+          List<String> writableDatabaseWhitelist) {
+    this.name = name;
+    this.remoteMetaStoreUris = remoteMetaStoreUris;
+    this.databasePrefix = databasePrefix;
+    this.accessControlType = accessControlType;
+    this.writableDatabaseWhitelist = writableDatabaseWhitelist;
+  }
+
+
   public static FederatedMetaStore newFederatedInstance(String name, String remoteMetaStoreUris) {
     return new FederatedMetaStore(name, remoteMetaStoreUris);
   }
@@ -95,6 +109,14 @@ public static PrimaryMetaStore newPrimaryInstance(String name, String remoteMeta
     return new PrimaryMetaStore(name, remoteMetaStoreUris, AccessControlType.READ_ONLY);
   }
 
+  public static PrimaryMetaStore newPrimaryInstance(
+          String name,
+          String remoteMetaStoreUris,
+          String databasePrefix,
+          AccessControlType accessControlType) {
+    return new PrimaryMetaStore(name, remoteMetaStoreUris, databasePrefix, accessControlType);
+  }
+
   public String getDatabasePrefix() {
     return databasePrefix;
   }

diff --git a/waggle-dance-api/src/main/java/com/hotels/bdp/waggledance/api/model/PrimaryMetaStore.java b/waggle-dance-api/src/main/java/com/hotels/bdp/waggledance/api/model/PrimaryMetaStore.java
@@ -43,6 +43,24 @@ public PrimaryMetaStore(
     super(name, remoteMetaStoreUris, accessControlType, writableDatabaseWhitelist);
   }
 
+  public PrimaryMetaStore(
+          String name,
+          String remoteMetaStoreUris,
+          String databasePrefix,
+          AccessControlType accessControlType,
+          String... writableDatabaseWhitelist) {
+    this(name, remoteMetaStoreUris, databasePrefix, accessControlType, Arrays.asList(writableDatabaseWhitelist));
+  }
+
+  public PrimaryMetaStore(
+          String name,
+          String remoteMetaStoreUris,
+          String databasePrefix,
+          AccessControlType accessControlType,
+          List<String> writableDatabaseWhitelist) {
+    super(name, remoteMetaStoreUris, databasePrefix, accessControlType, writableDatabaseWhitelist);
+  }
+
   @Override
   public FederationType getFederationType() {
     return FederationType.PRIMARY;

diff --git a/...e-dance-api/src/test/java/com/hotels/bdp/waggledance/api/model/AbstractMetaStoreTest.java b/...e-dance-api/src/test/java/com/hotels/bdp/waggledance/api/model/AbstractMetaStoreTest.java
@@ -154,6 +154,18 @@ public void newPrimaryInstanceWithDefaultAccessControlType() {
     assertThat(primaryMetaStore.getAccessControlType(), is(AccessControlType.READ_ONLY));
   }
 
+  @Test
+  public void newPrimaryPrefixInstance() {
+    AccessControlType access = AccessControlType.READ_AND_WRITE_AND_CREATE;
+    String databasePrefix = "primary";
+    PrimaryMetaStore primaryMetaStore = AbstractMetaStore.newPrimaryInstance(name, remoteMetaStoreUri, databasePrefix, access);
+    assertThat(primaryMetaStore.getName(), is(name));
+    assertThat(primaryMetaStore.getRemoteMetaStoreUris(), is(remoteMetaStoreUri));
+    assertThat(primaryMetaStore.getDatabasePrefix(), is(databasePrefix));
+    assertThat(primaryMetaStore.getAccessControlType(), is(access));
+  }
+
+
   @Test
   public void mappedDatabases() {
     List<String> mappedDatabases = new ArrayList<>();

diff --git a/...le-dance-api/src/test/java/com/hotels/bdp/waggledance/api/model/PrimaryMetaStoreTest.java b/...le-dance-api/src/test/java/com/hotels/bdp/waggledance/api/model/PrimaryMetaStoreTest.java
@@ -36,6 +36,7 @@ public class PrimaryMetaStoreTest extends AbstractMetaStoreTest<PrimaryMetaStore
   private final String remoteMetaStoreUris = "remoteMetaStoreUris";
   private final List<String> whitelist = new ArrayList<>();
   private final AccessControlType accessControlType = AccessControlType.READ_AND_WRITE_ON_DATABASE_WHITELIST;
+  private final String databasePrefix = "primary";
 
   public PrimaryMetaStoreTest() {
     super(new PrimaryMetaStore());
@@ -120,4 +121,29 @@ public void constructorWithArrayListForWhitelist() {
     assertThat(store.getWritableDatabaseWhiteList(), is(whitelist));
   }
 
+  @Test
+  public void nonEmptyPrefixConstructor() {
+    whitelist.add("databaseOne");
+    whitelist.add("databaseTwo");
+    PrimaryMetaStore store = new PrimaryMetaStore(name, remoteMetaStoreUris, databasePrefix, accessControlType, whitelist.get(0),
+            whitelist.get(1));
+    assertThat(store.getName(), is(name));
+    assertThat(store.getRemoteMetaStoreUris(), is(remoteMetaStoreUris));
+    assertThat(store.getDatabasePrefix(), is(databasePrefix));
+    assertThat(store.getAccessControlType(), is(accessControlType));
+    assertThat(store.getWritableDatabaseWhiteList(), is(whitelist));
+  }
+
+  @Test
+  public void constructorWithPrefixArrayListForWhitelist() {
+    whitelist.add("databaseOne");
+    whitelist.add("databaseTwo");
+    PrimaryMetaStore store = new PrimaryMetaStore(name, remoteMetaStoreUris, databasePrefix, accessControlType, whitelist);
+    assertThat(store.getName(), is(name));
+    assertThat(store.getRemoteMetaStoreUris(), is(remoteMetaStoreUris));
+    assertThat(store.getDatabasePrefix(), is(databasePrefix));
+    assertThat(store.getAccessControlType(), is(accessControlType));
+    assertThat(store.getWritableDatabaseWhiteList(), is(whitelist));
+  }
+
 }
diff --git a/...ava/com/hotels/bdp/waggledance/server/security/DatabaseWhitelistAccessControlHandler.java b/...ava/com/hotels/bdp/waggledance/server/security/DatabaseWhitelistAccessControlHandler.java
@@ -74,7 +74,7 @@ public void databaseCreatedNotification(String name) {
     AbstractMetaStore newMetaStore;
     if (metaStore instanceof PrimaryMetaStore) {
       newMetaStore = new PrimaryMetaStore(metaStore.getName(), metaStore.getRemoteMetaStoreUris(),
-          metaStore.getAccessControlType(), newWritableDatabaseWhiteList);
+          metaStore.getDatabasePrefix(), metaStore.getAccessControlType(), newWritableDatabaseWhiteList);
       newMetaStore.setMappedDatabases(mappedDatabases);
     } else {
       throw new WaggleDanceException(

diff --git a/.../java/com/hotels/bdp/waggledance/server/security/ReadWriteCreateAccessControlHandler.java b/.../java/com/hotels/bdp/waggledance/server/security/ReadWriteCreateAccessControlHandler.java
@@ -55,7 +55,7 @@ public void databaseCreatedNotification(String name) {
     AbstractMetaStore newMetaStore;
     if (metaStore instanceof PrimaryMetaStore) {
       newMetaStore = new PrimaryMetaStore(metaStore.getName(), metaStore.getRemoteMetaStoreUris(),
-          metaStore.getAccessControlType());
+          metaStore.getDatabasePrefix(), metaStore.getAccessControlType());
       newMetaStore.setMappedDatabases(mappedDatabases);
     } else {
       throw new WaggleDanceException(