jihoonson commented on a change in pull request #9375: Add support for optional
cloud (aws, gcs, etc.) credentials for s3 for ingestion
URL: https://github.com/apache/druid/pull/9375#discussion_r383538927
##########
File path:
extensions-core/s3-extensions/src/main/java/org/apache/druid/data/input/s3/S3InputSource.java
##########
@@ -19,50 +19,88 @@
package org.apache.druid.data.input.s3;
+import com.amazonaws.auth.AWSStaticCredentialsProvider;
+import com.amazonaws.auth.BasicAWSCredentials;
+import com.amazonaws.services.s3.AmazonS3ClientBuilder;
import com.amazonaws.services.s3.model.S3ObjectSummary;
import com.fasterxml.jackson.annotation.JacksonInject;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.base.Preconditions;
+import com.google.common.base.Supplier;
+import com.google.common.base.Suppliers;
import com.google.common.collect.ImmutableList;
import org.apache.druid.data.input.InputSplit;
import org.apache.druid.data.input.impl.CloudObjectInputSource;
import org.apache.druid.data.input.impl.CloudObjectLocation;
+import org.apache.druid.data.input.impl.S3ConfigProperties;
import org.apache.druid.data.input.impl.SplittableInputSource;
import org.apache.druid.storage.s3.S3InputDataConfig;
+import org.apache.druid.storage.s3.S3StorageConfig;
import org.apache.druid.storage.s3.S3StorageDruidModule;
import org.apache.druid.storage.s3.S3Utils;
import org.apache.druid.storage.s3.ServerSideEncryptingAmazonS3;
import javax.annotation.Nullable;
import java.net.URI;
import java.util.List;
+import java.util.Objects;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;
public class S3InputSource extends CloudObjectInputSource<S3Entity>
{
- private final ServerSideEncryptingAmazonS3 s3Client;
+ // We lazily initialize s3Client to avoid costly s3 operation when we only
need S3InputSource for stored information
+ // (such as for task logs) and not for ingestion. (This cost only applies
for new s3Client created with
+ // s3ConfigProperties given).
+ private final Supplier<ServerSideEncryptingAmazonS3> s3Client;
Review comment:
nit: suggest `s3ClientSupplier`.
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