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Cats tooling for the Smithy4s Kinesis Client
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/*
* Copyright 2023-2023 etspaceman
*
* Licensed 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 kinesis4cats.smithy4s.client
package producer
import java.time.Instant
import _root_.fs2.compression.Compression
import _root_.fs2.io.file.Files
import cats.data.NonEmptyList
import cats.effect._
import cats.syntax.all._
import com.amazonaws.kinesis._
import org.http4s.client.Client
import org.typelevel.log4cats.StructuredLogger
import org.typelevel.log4cats.noop.NoOpLogger
import smithy4s.Blob
import smithy4s.aws.AwsCredentialsProvider
import smithy4s.aws.kernel.AwsCredentials
import smithy4s.aws.kernel.AwsRegion
import kinesis4cats.models
import kinesis4cats.producer.{Record => Rec, _}
/** A [[kinesis4cats.producer.Producer Producer]] implementation that leverages
* the [[kinesis4cats.smithy4s.client.KinesisClient KinesisClient]]
*
* @param logger
* [[org.typelevel.log4cats.StructuredLogger StructuredLogger]] instance, for
* logging
* @param shardMapCache
* [[kinesis.producer.ShardMapCache ShardMapCache]]
* @param config
* [[kinesis.producer.Producer.Config Producer.Config]]
* @param underlying
* [[kinesis4cats.smithy4s.client.KinesisClient KinesisClient]]
* @param F
* [[cats.effect.Async Async]]
* @param LE
* [[kinesis4cats.producer.Producer.LogEncoders Producer.LogEncoders]]
*/
final class KinesisProducer[F[_]] private[kinesis4cats] (
override val logger: StructuredLogger[F],
override val shardMapCache: ShardMapCache[F],
override val config: Producer.Config[F],
underlying: KinesisClient[F],
encoders: Producer.LogEncoders
)(implicit F: Async[F])
extends Producer[F, PutRecordsInput, PutRecordsOutput](encoders) {
override protected def putImpl(
req: PutRecordsInput
): F[PutRecordsOutput] =
underlying.putRecords(req.records, req.streamName, req.streamARN)
def toEntry(record: Rec): PutRecordsRequestEntry =
PutRecordsRequestEntry(
Data(Blob(record.data)),
PartitionKey(record.partitionKey),
record.explicitHashKey.map(HashKey(_))
)
override protected def asPutRequest(
records: NonEmptyList[Rec]
): PutRecordsInput =
PutRecordsInput(
records.toList.map(toEntry),
config.streamNameOrArn.streamName.map(StreamName(_)),
config.streamNameOrArn.streamArn.map(x => StreamARN(x.streamArn))
)
override protected def failedRecords(
records: NonEmptyList[Rec],
resp: PutRecordsOutput
): Option[NonEmptyList[Producer.FailedRecord]] =
NonEmptyList.fromList(
resp.records.zipWithIndex.zip(records.toList).collect {
case ((respEntry, index), record)
if respEntry.errorCode.nonEmpty && respEntry.errorMessage.nonEmpty =>
Producer.FailedRecord(
record,
respEntry.errorCode.get.value,
respEntry.errorMessage.get.value,
index
)
}
)
}
object KinesisProducer {
final case class Builder[F[_]: Compression: Files] private (
config: Producer.Config[F],
client: Client[F],
region: AwsRegion,
logger: StructuredLogger[F],
credentialsResourceF: Client[F] => Resource[F, F[
AwsCredentials
]],
encoders: LogEncoders[F],
logRequestsResponses: Boolean
)(implicit F: Async[F]) {
def withConfig(config: Producer.Config[F]): Builder[F] =
copy(config = config)
def transformConfig(f: Producer.Config[F] => Producer.Config[F]) = copy(
config = f(config)
)
def withClient(client: Client[F]): Builder[F] = copy(client = client)
def withRegion(region: AwsRegion): Builder[F] = copy(region = region)
def withLogger(logger: StructuredLogger[F]): Builder[F] =
copy(logger = logger)
def withCredentials(
credentialsResourceF: Client[F] => Resource[F, F[
AwsCredentials
]]
): Builder[F] =
copy(credentialsResourceF = credentialsResourceF)
def withLogEncoders(encoders: LogEncoders[F]): Builder[F] =
copy(encoders = encoders)
def withLogRequestsResponses(logRequestsResponses: Boolean): Builder[F] =
copy(logRequestsResponses = logRequestsResponses)
def enableLogging: Builder[F] = withLogRequestsResponses(true)
def disableLogging: Builder[F] = withLogRequestsResponses(false)
def build: Resource[F, KinesisProducer[F]] = for {
client <- KinesisClient.Builder
.default[F](client, region)
.withLogger(logger)
.withCredentials(credentialsResourceF)
.withLogEncoders(encoders.kinesisClientLogEncoders)
.withLogRequestsResponses(logRequestsResponses)
.build
shardMapCache <- ShardMapCache.Builder
.default(getShardMap(client, config.streamNameOrArn), logger)
.withLogEncoders(encoders.producerLogEncoders.shardMapLogEncoders)
.build
} yield new KinesisProducer[F](
logger,
shardMapCache,
config,
client,
encoders.producerLogEncoders
)
}
object Builder {
def default[F[_]: Async: Compression: Files](
streamNameOrArn: models.StreamNameOrArn,
client: Client[F],
region: AwsRegion
): Builder[F] = Builder[F](
Producer.Config.default(streamNameOrArn),
client,
region,
NoOpLogger[F],
backend => AwsCredentialsProvider.default(backend),
LogEncoders.show[F],
logRequestsResponses = true
)
@annotation.unused
private def unapply[F[_]](builder: Builder[F]): Unit = ()
}
final class LogEncoders[F[_]](
val kinesisClientLogEncoders: KinesisClient.LogEncoders[F],
val producerLogEncoders: Producer.LogEncoders
)
object LogEncoders {
def show[F[_]]: LogEncoders[F] =
new LogEncoders(KinesisClient.LogEncoders.show, Producer.LogEncoders.show)
}
private def getShards[F[_]](
client: KinesisClient[F],
streamNameOrArn: models.StreamNameOrArn
): F[ListShardsOutput] = client
.listShards(
streamName = streamNameOrArn.streamName.map(StreamName(_)),
streamARN = streamNameOrArn.streamArn.map(x => StreamARN(x.streamArn)),
shardFilter = Some(ShardFilter(ShardFilterType.AT_LATEST))
)
private[kinesis4cats] def getShardMap[F[_]](
client: KinesisClient[F],
streamNameOrArn: models.StreamNameOrArn
)(implicit
F: Async[F]
): F[Either[ShardMapCache.Error, ShardMap]] =
F.realTime
.map(d => Instant.EPOCH.plusNanos(d.toNanos))
.flatMap(now =>
getShards(client, streamNameOrArn).attempt
.map(
_.bimap(
ShardMapCache.ListShardsError(_),
resp =>
ShardMap(
resp.shards
.map(
_.map(x =>
ShardMapRecord(
models.ShardId(
x.shardId.value
),
models.HashKeyRange(
BigInt(x.hashKeyRange.endingHashKey.value),
BigInt(x.hashKeyRange.startingHashKey.value)
)
)
)
)
.getOrElse(List.empty),
now
)
)
)
)
}