jackye1995 commented on a change in pull request #1823:
URL: https://github.com/apache/iceberg/pull/1823#discussion_r533087622



##########
File path: aws/src/main/java/org/apache/iceberg/aws/glue/DynamoLockManager.java
##########
@@ -0,0 +1,180 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.iceberg.aws.glue;
+
+import java.util.List;
+import java.util.Map;
+import org.apache.iceberg.aws.AwsClientUtil;
+import org.apache.iceberg.aws.AwsProperties;
+import org.apache.iceberg.relocated.com.google.common.collect.Lists;
+import org.apache.iceberg.relocated.com.google.common.collect.Maps;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import software.amazon.awssdk.services.dynamodb.DynamoDbClient;
+import software.amazon.awssdk.services.dynamodb.model.AttributeDefinition;
+import software.amazon.awssdk.services.dynamodb.model.AttributeValue;
+import software.amazon.awssdk.services.dynamodb.model.BillingMode;
+import software.amazon.awssdk.services.dynamodb.model.CreateTableRequest;
+import software.amazon.awssdk.services.dynamodb.model.DeleteItemRequest;
+import software.amazon.awssdk.services.dynamodb.model.DescribeTableRequest;
+import software.amazon.awssdk.services.dynamodb.model.DescribeTableResponse;
+import software.amazon.awssdk.services.dynamodb.model.KeySchemaElement;
+import software.amazon.awssdk.services.dynamodb.model.KeyType;
+import software.amazon.awssdk.services.dynamodb.model.PutItemRequest;
+import 
software.amazon.awssdk.services.dynamodb.model.ResourceNotFoundException;
+import software.amazon.awssdk.services.dynamodb.model.ScalarAttributeType;
+import software.amazon.awssdk.services.dynamodb.model.TableStatus;
+
+class DynamoLockManager implements LockManager {
+
+  private static final Logger LOG = 
LoggerFactory.getLogger(DynamoLockManager.class);
+
+  private static final String LOCK_TABLE_COL_TABLE_ID = "tableId";
+  private static final String LOCK_TABLE_COL_EXPIRE_TS_MILLIS = 
"expireTimestampMillis";
+
+  private static final List<KeySchemaElement> LOCK_TABLE_SCHEMA = 
Lists.newArrayList(
+      KeySchemaElement.builder()
+          .attributeName(LOCK_TABLE_COL_TABLE_ID)
+          .keyType(KeyType.HASH)
+          .build()
+  );
+
+  private static final List<AttributeDefinition> LOCK_TABLE_COL_DEFINITIONS = 
Lists.newArrayList(
+      AttributeDefinition.builder()
+          .attributeName(LOCK_TABLE_COL_TABLE_ID)
+          .attributeType(ScalarAttributeType.S)
+          .build()
+  );
+
+  private final DynamoDbClient dynamo;
+  private final AwsProperties awsProperties;
+
+  DynamoLockManager(AwsProperties awsProperties) {
+    this(AwsClientUtil.defaultDynamoClient(), awsProperties);
+  }
+
+  DynamoLockManager(DynamoDbClient dynamo, AwsProperties awsProperties) {
+    this.dynamo = dynamo;
+    this.awsProperties = awsProperties;
+    ensureLockTableExists();
+  }
+
+  private void ensureLockTableExists() {
+    ensureTableExists(awsProperties.glueCatalogLockTable(), LOCK_TABLE_SCHEMA, 
LOCK_TABLE_COL_DEFINITIONS);
+  }
+
+  private void ensureTableExists(String tableName, List<KeySchemaElement> 
schema,
+                                 List<AttributeDefinition> definitions) {
+    try {
+      dynamo.describeTable(DescribeTableRequest.builder()
+          .tableName(tableName)
+          .build());
+    } catch (ResourceNotFoundException e) {
+      LOG.info("Glue lock DynamoDB table <{}> not found, trying to create", 
tableName);
+      dynamo.createTable(CreateTableRequest.builder()
+          .tableName(tableName)
+          .keySchema(schema)
+          .attributeDefinitions(definitions)
+          .billingMode(BillingMode.PAY_PER_REQUEST)
+          .build());
+
+      boolean isTableActive = false;
+      while (!isTableActive) {
+        LOG.info("waiting for DynamoDB table <{}> to be active", tableName);
+        try {
+          Thread.sleep(5000);
+        } catch (InterruptedException ie) {
+          LOG.warn("Glue lock DynamoDB table creation sleep interrupted", e);
+        }
+        DescribeTableResponse describeTableResponse = 
dynamo.describeTable(DescribeTableRequest.builder()

Review comment:
       why? Given we already called create table and waited for 5 seconds




----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

For queries about this service, please contact Infrastructure at:
[email protected]



---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]

Reply via email to