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Merge pull request #79 from civitaspo/develop
v0.3.2
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78 changes: 78 additions & 0 deletions
78
...n/scala/pro/civitaspo/digdag/plugin/athena/each_database/AthenaEachDatabaseOperator.scala
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| Original file line number | Diff line number | Diff line change |
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| package pro.civitaspo.digdag.plugin.athena.each_database | ||
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| import com.amazonaws.services.glue.model.Database | ||
| import io.digdag.client.config.Config | ||
| import io.digdag.spi.{OperatorContext, TaskResult, TemplateEngine} | ||
| import pro.civitaspo.digdag.plugin.athena.AbstractAthenaOperator | ||
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| import scala.jdk.CollectionConverters._ | ||
| import scala.util.chaining._ | ||
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| class AthenaEachDatabaseOperator(operatorName: String, | ||
| context: OperatorContext, | ||
| systemConfig: Config, | ||
| templateEngine: TemplateEngine) | ||
| extends AbstractAthenaOperator(operatorName, context, systemConfig, templateEngine) | ||
| { | ||
| protected val catalogId: Option[String] = Option(params.getOptional("catalog_id", classOf[String]).orNull()) | ||
| protected val parallelSlice: Int = params.get("parallel_slice", classOf[Int], 1) | ||
| protected val doConfig: Config = params.getNested("_do") | ||
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| override def runTask(): TaskResult = | ||
| { | ||
| val doConfigs = aws.glue.database.list(catalogId).map { db => | ||
| cf.create().tap { newDoConfig => | ||
| newDoConfig.getNestedOrSetEmpty(s"+${db.getName}").tap { c => | ||
| c.setAll(doConfig) | ||
| c.setNested("_export", convertDatabaseToExport(db)) | ||
| } | ||
| } | ||
| } | ||
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| val builder = TaskResult.defaultBuilder(cf) | ||
| builder.subtaskConfig(generateParallelTasks(doConfigs = doConfigs)) | ||
| builder.build() | ||
| } | ||
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| protected def generateParallelTasks(doConfigs: Seq[Config]): Config = | ||
| { | ||
| def gen(remainingDoConfigs: Seq[Config], | ||
| result: Config = cf.create(), | ||
| idx: Int = 0): Config = | ||
| { | ||
| result.tap { r => | ||
| val (left, right) = remainingDoConfigs.splitAt(parallelSlice) | ||
| val subTaskConfig = cf.create().tap { c => | ||
| val taskGroup: Config = c.getNestedOrSetEmpty(s"+p$idx") | ||
| taskGroup.set("_parallel", true) | ||
| left.foreach(taskGroup.setAll) | ||
| } | ||
| r.setAll(subTaskConfig) | ||
| if (right.nonEmpty) gen(remainingDoConfigs = right, result = r, idx = idx + 1) | ||
| } | ||
| } | ||
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| gen(remainingDoConfigs = doConfigs) | ||
| } | ||
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| protected def convertDatabaseToExport(database: Database): Config = | ||
| { | ||
| cf.create().tap { ret => | ||
| val export = ret | ||
| .getNestedOrSetEmpty("athena") | ||
| .getNestedOrSetEmpty("each_database") | ||
| .getNestedOrSetEmpty("export") | ||
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| export.set("name", database.getName) | ||
| Option(database.getCreateTime).foreach(ct => export.set("created_at", ct.toInstant.toEpochMilli)) | ||
| Option(database.getDescription).foreach(desc => export.set("description", desc)) | ||
| Option(database.getParameters).foreach { p => | ||
| p.asScala.foreach { | ||
| case (k: String, v: String) => export.getNestedOrSetEmpty("parameters").set(k, v) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |