Github user brkyvz commented on a diff in the pull request:
https://github.com/apache/spark/pull/16744#discussion_r102339883
--- Diff:
external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisUtils.scala
---
@@ -213,9 +347,135 @@ object KinesisUtils {
awsAccessKeyId: String,
awsSecretKey: String): ReceiverInputDStream[Array[Byte]] = {
ssc.withNamedScope("kinesis stream") {
+ val kinesisCredsProvider = BasicCredentialsProvider(
+ awsAccessKeyId = awsAccessKeyId,
+ awsSecretKey = awsSecretKey)
+ new KinesisInputDStream[Array[Byte]](ssc, streamName, endpointUrl,
validateRegion(regionName),
+ initialPositionInStream, kinesisAppName, checkpointInterval,
storageLevel,
+ defaultMessageHandler, kinesisCredsProvider)
+ }
+ }
+
+ /**
+ * Create an input stream that pulls messages from a Kinesis stream.
+ * This uses the Kinesis Client Library (KCL) to pull messages from
Kinesis.
+ *
+ * @param ssc StreamingContext object
+ * @param kinesisAppName Kinesis application name used by the Kinesis
Client Library
+ * (KCL) to update DynamoDB
+ * @param streamName Kinesis stream name
+ * @param endpointUrl Url of Kinesis service (e.g.,
https://kinesis.us-east-1.amazonaws.com)
+ * @param regionName Name of region used by the Kinesis Client Library
(KCL) to update
+ * DynamoDB (lease coordination and checkpointing)
and CloudWatch (metrics)
+ * @param initialPositionInStream In the absence of Kinesis checkpoint
info, this is the
+ * worker's initial starting position in
the stream.
+ * The values are either the beginning
of the stream
+ * per Kinesis' limit of 24 hours
+ *
(InitialPositionInStream.TRIM_HORIZON) or
+ * the tip of the stream
(InitialPositionInStream.LATEST).
+ * @param checkpointInterval Checkpoint interval for Kinesis
checkpointing.
+ * See the Kinesis Spark Streaming
documentation for more
+ * details on the different types of
checkpoints.
+ * @param storageLevel Storage level to use for storing the received
objects.
+ * StorageLevel.MEMORY_AND_DISK_2 is recommended.
+ * @param stsAssumeRoleArn ARN of IAM role to assume when using STS
sessions to read from
+ * Kinesis stream.
+ * @param stsSessionName Name to uniquely identify STS sessions if
multiple princples assume
+ * the same role.
+ * @param stsExternalId External ID that can be used to validate against
the assumed IAM role's
+ * trust policy.
+ *
+ * @note The AWS credentials will be discovered using the
DefaultAWSCredentialsProviderChain
+ * on the workers. See AWS documentation to understand how
DefaultAWSCredentialsProviderChain
+ * gets the AWS credentials.
+ */
+ // scalastyle:off
+ def createStream(
--- End diff --
let's remove this
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