🐛 Source Dynamodb: Fix missing scan permissions

airbyte-integrations/connectors/source-dynamodb/metadata.yaml

@@ -5,7 +5,7 @@ data:
   connectorSubtype: api
   connectorType: source
   definitionId: 50401137-8871-4c5a-abb7-1f5fda35545a
-  dockerImageTag: 0.3.1
+  dockerImageTag: 0.3.2
   dockerRepository: airbyte/source-dynamodb
   documentationUrl: https://docs.airbyte.com/integrations/sources/dynamodb
   githubIssueLabel: source-dynamodb

airbyte-integrations/connectors/source-dynamodb/src/main/java/io/airbyte/integrations/source/dynamodb/DynamodbConfig.java

@@ -20,7 +20,9 @@ public record DynamodbConfig(
 
                              String secretKey,
 
-                             List<String> reservedAttributeNames
+                             List<String> reservedAttributeNames,
+
+                             boolean ignoreMissingPermissions
 
 ) {
 
@@ -32,12 +34,14 @@ public static DynamodbConfig createDynamodbConfig(JsonNode jsonNode) {
     JsonNode endpoint = jsonNode.get("endpoint");
     JsonNode region = jsonNode.get("region");
     JsonNode attributeNames = jsonNode.get("reserved_attribute_names");
+    JsonNode missingPermissions = jsonNode.get("ignore_missing_read_permissions_tables");
     return new DynamodbConfig(
         endpoint != null && !endpoint.asText().isBlank() ? URI.create(endpoint.asText()) : null,
         region != null && !region.asText().isBlank() ? Region.of(region.asText()) : null,
         accessKeyId != null && !accessKeyId.asText().isBlank() ? accessKeyId.asText() : null,
         secretAccessKey != null && !secretAccessKey.asText().isBlank() ? secretAccessKey.asText() : null,
-        attributeNames != null ? Arrays.asList(attributeNames.asText().split("\\s*,\\s*")) : List.of());
+        attributeNames != null ? Arrays.asList(attributeNames.asText().split("\\s*,\\s*")) : List.of(),
+        missingPermissions != null ? missingPermissions.asBoolean() : false);
   }
 
 }

airbyte-integrations/connectors/source-dynamodb/src/main/java/io/airbyte/integrations/source/dynamodb/DynamodbSource.java

@@ -28,13 +28,15 @@
 import io.airbyte.protocol.models.v0.AirbyteStreamNameNamespacePair;
 import io.airbyte.protocol.models.v0.ConfiguredAirbyteCatalog;
 import io.airbyte.protocol.models.v0.SyncMode;
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 import java.util.Set;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import software.amazon.awssdk.services.dynamodb.model.DynamoDbException;
 
 public class DynamodbSource extends BaseConnector implements Source {
 
@@ -70,23 +72,39 @@ public AirbyteConnectionStatus check(final JsonNode config) {
   public AirbyteCatalog discover(final JsonNode config) {
 
     final var dynamodbConfig = DynamodbConfig.createDynamodbConfig(config);
+    List<AirbyteStream> airbyteStreams = new ArrayList<>();
 
     try (final var dynamodbOperations = new DynamodbOperations(dynamodbConfig)) {
 
-      final var airbyteStreams = dynamodbOperations.listTables().stream()
-          .map(tb -> new AirbyteStream()
-              .withName(tb)
-              .withJsonSchema(Jsons.jsonNode(ImmutableMap.builder()
-                  .put("type", "object")
-                  .put("properties", dynamodbOperations.inferSchema(tb, 1000))
-                  .build()))
-              .withSourceDefinedPrimaryKey(Collections.singletonList(dynamodbOperations.primaryKey(tb)))
-              .withSupportedSyncModes(List.of(SyncMode.FULL_REFRESH, SyncMode.INCREMENTAL)))
-          .toList();
-
-      return new AirbyteCatalog().withStreams(airbyteStreams);
+      dynamodbOperations.listTables().forEach(table -> {
+        try {
+          airbyteStreams.add(
+              new AirbyteStream()
+                  .withName(table)
+                  .withJsonSchema(Jsons.jsonNode(ImmutableMap.builder()
+                      .put("type", "object")
+                      // will throw DynamoDbException if it can't scan the table from missing read permissions
+                      .put("properties", dynamodbOperations.inferSchema(table, 1000))
+                      .build()))
+                  .withSourceDefinedPrimaryKey(Collections.singletonList(dynamodbOperations.primaryKey(table)))
+                  .withSupportedSyncModes(List.of(SyncMode.FULL_REFRESH, SyncMode.INCREMENTAL)));
+        } catch (DynamoDbException e) {
+          if (dynamodbConfig.ignoreMissingPermissions()) {
+            // fragile way to check for missing read access but there is no dedicated exception for missing
+            // permissions.
+            if (e.getMessage().contains("not authorized")) {
+              LOGGER.warn("Connector doesn't have READ access for the table {}", table);
+            } else {
+              throw e;
+            }
+          } else {
+            throw e;
+          }
+        }
+      });
     }
 
+    return new AirbyteCatalog().withStreams(airbyteStreams);
   }
 
   @Override

airbyte-integrations/connectors/source-dynamodb/src/main/resources/spec.json

@@ -110,6 +110,12 @@
         "description": "Comma separated reserved attribute names present in your tables",
         "airbyte_secret": true,
         "examples": ["name, field_name, field-name"]
+      },
+      "ignore_missing_read_permissions_tables": {
+        "title": "Ignore missing read permissions tables",
+        "type": "boolean",
+        "description": "Ignore tables with missing scan/read permissions",
+        "default": false
       }
     }
   }

airbyte-integrations/connectors/source-dynamodb/src/test/java/io/airbyte/integrations/source/dynamodb/DynamodbConfigTest.java

@@ -8,6 +8,7 @@
 
 import io.airbyte.commons.json.Jsons;
 import java.net.URI;
+import java.util.Collections;
 import java.util.Map;
 import org.junit.jupiter.api.Test;
 import software.amazon.awssdk.regions.Region;
@@ -29,7 +30,9 @@ void testUserBasedDynamodbConfig() {
         .hasFieldOrPropertyWithValue("endpoint", URI.create("http://localhost:8080"))
         .hasFieldOrPropertyWithValue("region", Region.of("us-east-1"))
         .hasFieldOrPropertyWithValue("accessKey", "A012345678910EXAMPLE")
-        .hasFieldOrPropertyWithValue("secretKey", "a012345678910ABCDEFGH/AbCdEfGhLEKEY");
+        .hasFieldOrPropertyWithValue("secretKey", "a012345678910ABCDEFGH/AbCdEfGhLEKEY")
+        .hasFieldOrPropertyWithValue("reservedAttributeNames", Collections.emptyList())
+        .hasFieldOrPropertyWithValue("ignoreMissingPermissions", false);
 
   }
 

docs/integrations/sources/dynamodb.md

@@ -75,6 +75,7 @@ the underlying role executing the container workload in AWS.
 
 | Version | Date       | Pull Request                                              | Subject                                                                |
 |:--------| :--------- | :-------------------------------------------------------- |:-----------------------------------------------------------------------|
+| 0.3.2   | 2024-05-01 | [27045](https://github.com/airbytehq/airbyte/pull/27045) | Fix missing scan permissions |
 | 0.3.1   | 2024-05-01 | [31935](https://github.com/airbytehq/airbyte/pull/31935) | Fix list more than 100 tables |
 | 0.3.0   | 2024-04-24 | [37530](https://github.com/airbytehq/airbyte/pull/37530) | Allow role based access                                                |
 | 0.2.3   | 2024-02-13 | [35232](https://github.com/airbytehq/airbyte/pull/35232) | Adopt CDK 0.20.4                                                       |