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134 changes: 134 additions & 0 deletions
134
scio-snowflake/src/main/scala/com/spotify/scio/snowflake/SnowflakeIO.scala
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/* | ||
* Copyright 2024 Spotify AB. | ||
* | ||
* 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. | ||
*/ | ||
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package com.spotify.scio.snowflake | ||
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import com.spotify.scio.ScioContext | ||
import com.spotify.scio.coders.{Coder, CoderMaterializer} | ||
import com.spotify.scio.io.{EmptyTap, EmptyTapOf, ScioIO, Tap, TapT} | ||
import com.spotify.scio.values.SCollection | ||
import kantan.csv.{RowDecoder, RowEncoder} | ||
import org.apache.beam.sdk.io.snowflake.SnowflakeIO.{CsvMapper, UserDataMapper} | ||
import org.apache.beam.sdk.io.{snowflake => beam} | ||
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object SnowflakeIO { | ||
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private[snowflake] def dataSourceConfiguration(connectionOptions: SnowflakeConnectionOptions) = { | ||
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val datasourceInitial = beam.SnowflakeIO.DataSourceConfiguration | ||
.create() | ||
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val datasourceWithAuthent = connectionOptions.authenticationOptions match { | ||
case SnowflakeUsernamePasswordAuthenticationOptions(username, password) => | ||
datasourceInitial.withUsernamePasswordAuth(username, password) | ||
case SnowflakeKeyPairAuthenticationOptions(username, privateKeyPath, None) => | ||
datasourceInitial.withKeyPairPathAuth(username, privateKeyPath) | ||
case SnowflakeKeyPairAuthenticationOptions(username, privateKeyPath, Some(passphrase)) => | ||
datasourceInitial.withKeyPairPathAuth(username, privateKeyPath, passphrase) | ||
case SnowflakeOAuthTokenAuthenticationOptions(token) => | ||
datasourceInitial.withOAuth(token) | ||
} | ||
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val datasourceBeforeSchema = datasourceWithAuthent | ||
.withServerName(connectionOptions.serverName) | ||
.withDatabase(connectionOptions.database) | ||
.withRole(connectionOptions.role) | ||
.withWarehouse(connectionOptions.warehouse) | ||
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connectionOptions.schema | ||
.map(schema => datasourceBeforeSchema.withSchema(schema)) | ||
.getOrElse(datasourceBeforeSchema) | ||
} | ||
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private[snowflake] def buildCsvMapper[T](rowDecoder: RowDecoder[T]): CsvMapper[T] = | ||
new CsvMapper[T] { | ||
override def mapRow(parts: Array[String]): T = { | ||
val unsnowedParts = parts.map { | ||
case "\\N" => "" // needs to be mapped to an Option | ||
case other => other | ||
}.toSeq | ||
rowDecoder.unsafeDecode(unsnowedParts) | ||
} | ||
} | ||
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private[snowflake] def prepareRead[T]( | ||
snowflakeOptions: SnowflakeOptions, | ||
sc: ScioContext | ||
)(implicit rowDecoder: RowDecoder[T], coder: Coder[T]): beam.SnowflakeIO.Read[T] = | ||
beam.SnowflakeIO | ||
.read() | ||
.withDataSourceConfiguration( | ||
SnowflakeIO.dataSourceConfiguration(snowflakeOptions.connectionOptions) | ||
) | ||
.withStagingBucketName(snowflakeOptions.stagingBucketName) | ||
.withStorageIntegrationName(snowflakeOptions.storageIntegrationName) | ||
.withCsvMapper(buildCsvMapper(rowDecoder)) | ||
.withCoder(CoderMaterializer.beam(sc, coder)) | ||
} | ||
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sealed trait SnowflakeIO[T] extends ScioIO[T] | ||
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final case class SnowflakeSelect[T](snowflakeOptions: SnowflakeOptions, select: String)(implicit | ||
rowDecoder: RowDecoder[T], | ||
coder: Coder[T] | ||
) extends SnowflakeIO[T] { | ||
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override type ReadP = Unit | ||
override type WriteP = Unit | ||
override val tapT: TapT.Aux[T, Nothing] = EmptyTapOf[T] | ||
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override protected def read(sc: ScioContext, params: ReadP): SCollection[T] = | ||
sc.applyTransform(SnowflakeIO.prepareRead(snowflakeOptions, sc).fromQuery(select)) | ||
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override protected def write(data: SCollection[T], params: WriteP): Tap[Nothing] = | ||
throw new UnsupportedOperationException("SnowflakeSelect is read-only") | ||
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override def tap(params: ReadP): Tap[Nothing] = EmptyTap | ||
} | ||
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final case class SnowflakeTable[T](snowflakeOptions: SnowflakeOptions, table: String)(implicit | ||
rowDecoder: RowDecoder[T], | ||
rowEncoder: RowEncoder[T], | ||
coder: Coder[T] | ||
) extends SnowflakeIO[T] { | ||
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override type ReadP = Unit | ||
override type WriteP = Unit | ||
override val tapT: TapT.Aux[T, Nothing] = EmptyTapOf[T] | ||
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override protected def read(sc: ScioContext, params: ReadP): SCollection[T] = | ||
sc.applyTransform(SnowflakeIO.prepareRead(snowflakeOptions, sc).fromTable(table)) | ||
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override protected def write(data: SCollection[T], params: WriteP): Tap[Nothing] = { | ||
data.applyInternal( | ||
beam.SnowflakeIO | ||
.write[T]() | ||
.withDataSourceConfiguration( | ||
SnowflakeIO.dataSourceConfiguration(snowflakeOptions.connectionOptions) | ||
) | ||
.to(table) | ||
.withStagingBucketName(snowflakeOptions.stagingBucketName) | ||
.withStorageIntegrationName(snowflakeOptions.storageIntegrationName) | ||
.withUserDataMapper(new UserDataMapper[T] { | ||
override def mapRow(element: T): Array[AnyRef] = rowEncoder.encode(element).toArray | ||
}) | ||
) | ||
EmptyTap | ||
} | ||
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override def tap(params: ReadP): Tap[Nothing] = EmptyTap | ||
} |
100 changes: 100 additions & 0 deletions
100
scio-snowflake/src/main/scala/com/spotify/scio/snowflake/SnowflakeOptions.scala
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/* | ||
* Copyright 2024 Spotify AB. | ||
* | ||
* 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. | ||
*/ | ||
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package com.spotify.scio.snowflake | ||
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trait SnowflakeAuthenticationOptions | ||
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/** | ||
* Options for a Snowflake username/password authentication. | ||
* | ||
* @param username | ||
* username | ||
* @param password | ||
* password | ||
*/ | ||
final case class SnowflakeUsernamePasswordAuthenticationOptions( | ||
username: String, | ||
password: String | ||
) extends SnowflakeAuthenticationOptions | ||
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/** | ||
* Options for a Snowflake key pair authentication. | ||
* | ||
* @param username | ||
* username | ||
* @param privateKeyPath | ||
* path to the private key | ||
* @param privateKeyPassphrase | ||
* passphrase for the private key (optional) | ||
*/ | ||
final case class SnowflakeKeyPairAuthenticationOptions( | ||
username: String, | ||
privateKeyPath: String, | ||
privateKeyPassphrase: Option[String] | ||
) extends SnowflakeAuthenticationOptions | ||
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/** | ||
* Options for a Snowflake OAuth token authentication. | ||
* | ||
* @param token | ||
* OAuth token | ||
*/ | ||
final case class SnowflakeOAuthTokenAuthenticationOptions( | ||
token: String | ||
) extends SnowflakeAuthenticationOptions | ||
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/** | ||
* Options for a Snowflake connection. | ||
* | ||
* @param authenticationOptions | ||
* authentication options | ||
* @param serverName | ||
* server name (e.g. "account.region.snowflakecomputing.com") | ||
* @param database | ||
* database name | ||
* @param role | ||
* role name | ||
* @param warehouse | ||
* warehouse name | ||
* @param schema | ||
* schema name (optional) | ||
*/ | ||
final case class SnowflakeConnectionOptions( | ||
authenticationOptions: SnowflakeAuthenticationOptions, | ||
serverName: String, | ||
database: String, | ||
role: String, | ||
warehouse: String, | ||
schema: Option[String] | ||
) | ||
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/** | ||
* Options for configuring a Neo4J driver. | ||
* | ||
* @param connectionOptions | ||
* connection options | ||
* @param stagingBucketName | ||
* Snowflake staging bucket name where CSV files will be stored | ||
* @param storageIntegrationName | ||
* Storage integration name as created in Snowflake | ||
*/ | ||
final case class SnowflakeOptions( | ||
connectionOptions: SnowflakeConnectionOptions, | ||
stagingBucketName: String, | ||
storageIntegrationName: String | ||
) |
29 changes: 29 additions & 0 deletions
29
scio-snowflake/src/main/scala/com/spotify/scio/snowflake/package.scala
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/* | ||
* Copyright 2024 Spotify AB. | ||
* | ||
* 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. | ||
*/ | ||
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package com.spotify.scio | ||
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import com.spotify.scio.snowflake.syntax.AllSyntax | ||
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/** | ||
* Main package for Snowflake APIs. Import all. | ||
* | ||
* {{{ | ||
* import com.spotify.scio.snowflake._ | ||
* }}} | ||
*/ | ||
package object snowflake extends AllSyntax |
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scio-snowflake/src/main/scala/com/spotify/scio/snowflake/syntax/AllSyntax.scala
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/* | ||
* Copyright 2024 Spotify AB. | ||
* | ||
* 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. | ||
*/ | ||
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package com.spotify.scio.snowflake.syntax | ||
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trait AllSyntax extends ScioContextSyntax with SCollectionSyntax |
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