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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. | ||
| */ | ||
|
|
||
| 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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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| /* | ||
| * 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 |
20 changes: 20 additions & 0 deletions
20
scio-snowflake/src/main/scala/com/spotify/scio/snowflake/syntax/AllSyntax.scala
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| @@ -0,0 +1,20 @@ | ||
| /* | ||
| * 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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