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136 changes: 136 additions & 0 deletions
136
src/it/scala/com/exasol/cloudetl/AlluxioExportImportIT.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| package com.exasol.cloudetl | ||
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| import java.sql.ResultSet | ||
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| import com.exasol.dbbuilder.dialects.Table | ||
| import com.exasol.matcher.ResultSetStructureMatcher.table | ||
| import com.dimafeng.testcontainers.GenericContainer | ||
| import org.hamcrest.Matcher | ||
| import org.hamcrest.MatcherAssert.assertThat | ||
|
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| class AlluxioExportImportIT extends BaseIntegrationTest { | ||
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| val ALLUXIO_IMAGE = "alluxio/alluxio:2.5.0" | ||
| val SCHEMA_NAME = "ALLUXIO_SCHEMA" | ||
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| val alluxioMainContainer = | ||
| GenericContainer(ALLUXIO_IMAGE, exposedPorts = Seq(19998), command = Seq("master")) | ||
| .configure { c => | ||
| c.withNetwork(network) | ||
| c.withNetworkAliases("alluxio-main") | ||
| c.withEnv("ALLUXIO_JAVA_OPTS", "-Dalluxio.master.hostname=alluxio-main") | ||
| c.withReuse(true) | ||
| () | ||
| } | ||
| val alluxioWorkerContainer = | ||
| GenericContainer(ALLUXIO_IMAGE, exposedPorts = Seq(29999, 30000), command = Seq("worker")) | ||
| .configure { c => | ||
| c.withNetwork(network) | ||
| c.withNetworkAliases("alluxio-worker") | ||
| c.withEnv( | ||
| "ALLUXIO_JAVA_OPTS", | ||
| "-Dalluxio.master.hostname=alluxio-main " + | ||
| "-Dalluxio.worker.container.hostname=alluxio-worker -Dalluxio.worker.ramdisk.size=64MB" | ||
| ) | ||
| c.withSharedMemorySize(1024 * 1024 * 1024 * 1024) | ||
| c.dependsOn(alluxioMainContainer) | ||
| c.withReuse(true) | ||
| () | ||
| } | ||
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| override final def beforeAll(): Unit = { | ||
| super.beforeAll() | ||
| alluxioMainContainer.start() | ||
| alluxioWorkerContainer.start() | ||
| prepareExasolDatabase(SCHEMA_NAME) | ||
| } | ||
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| override final def afterAll(): Unit = { | ||
| alluxioMainContainer.stop() | ||
| alluxioWorkerContainer.stop() | ||
| super.afterAll() | ||
| } | ||
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| test("alluxio filesystem export and import") { | ||
| val exportedTable = schema | ||
| .createTable("EXPORTED_ITEMS", "PRODUCT_ID", "DECIMAL(18,0)", "NAME", "VARCHAR(40)") | ||
| .insert("1", "Cat food") | ||
| .insert("2", "Toy mouse") | ||
| val importedTable = schema | ||
| .createTable("IMPORTED_ITEMS", "PRODUCT_ID", "DECIMAL(18,0)", "NAME", "VARCHAR(40)") | ||
| prepareContainers("data") | ||
| exportIntoAlluxio(exportedTable, "data") | ||
| importIntoExasol(importedTable, "data") | ||
| assertResultSet( | ||
| importedTable, | ||
| table() | ||
| .row(java.lang.Long.valueOf(1), "Cat food") | ||
| .row(java.lang.Long.valueOf(2), "Toy mouse") | ||
| .matches() | ||
| ) | ||
| } | ||
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| def assertResultSet(table: Table, matcher: Matcher[ResultSet]): Unit = { | ||
| val resultSet = executeQuery( | ||
| s"SELECT * FROM ${table.getFullyQualifiedName()} ORDER BY PRODUCT_ID ASC" | ||
| ) | ||
| assertThat(resultSet, matcher) | ||
| resultSet.close() | ||
| } | ||
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| def prepareContainers(bucket: String): Unit = { | ||
| val alluxioFsCmd = "/opt/alluxio/bin/alluxio fs" | ||
| var exitCode = alluxioMainContainer | ||
| .execInContainer("/bin/sh", "-c", s"$alluxioFsCmd mkdir /$bucket") | ||
| if (exitCode.getExitCode() != 0) { | ||
| throw new RuntimeException(s"Could not create '$bucket' folder in Alluxio container.") | ||
| } | ||
| exitCode = alluxioMainContainer | ||
| .execInContainer("/bin/sh", "-c", s"$alluxioFsCmd chmod 777 /$bucket/") | ||
| if (exitCode.getExitCode() != 0) { | ||
| throw new RuntimeException( | ||
| s"Could not change '$bucket' folder permissions in Alluxio container." | ||
| ) | ||
| } | ||
| val workerIPv4Address = getContainerIPv4Address(alluxioWorkerContainer) | ||
| exitCode = exasolContainer.execInContainer( | ||
| "/bin/sh", | ||
| "-c", | ||
| s"echo '$workerIPv4Address alluxio-worker' >> /etc/hosts" | ||
| ) | ||
| if (exitCode.getExitCode() != 0) { | ||
| throw new RuntimeException("Could not update `/etc/hosts` file in Exasol container.") | ||
| } | ||
| } | ||
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| def exportIntoAlluxio(table: Table, bucket: String): Unit = | ||
| executeStmt( | ||
| s"""|EXPORT ${table.getFullyQualifiedName()} | ||
| |INTO SCRIPT $SCHEMA_NAME.EXPORT_PATH WITH | ||
| |BUCKET_PATH = 'alluxio://${getContainerIPv4Address(alluxioMainContainer)}:19998/$bucket/' | ||
| |DATA_FORMAT = 'PARQUET' | ||
| |PARQUET_BLOCK_SIZE = '67108864' | ||
| |PARALLELISM = 'iproc()'; | ||
| """.stripMargin | ||
| ) | ||
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| def importIntoExasol(table: Table, bucket: String): Unit = | ||
| executeStmt( | ||
| s"""|IMPORT INTO ${table.getFullyQualifiedName()} | ||
| |FROM SCRIPT $SCHEMA_NAME.IMPORT_PATH WITH | ||
| |BUCKET_PATH = 'alluxio://${getContainerIPv4Address(alluxioMainContainer)}:19998/$bucket/' | ||
| |DATA_FORMAT = 'PARQUET' | ||
| |PARALLELISM = 'nproc()'; | ||
| """.stripMargin | ||
| ) | ||
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| private[this] def getContainerIPv4Address(container: GenericContainer): String = | ||
| container.containerInfo | ||
| .getNetworkSettings() | ||
| .getNetworks() | ||
| .values() | ||
| .iterator() | ||
| .next() | ||
| .getIpAddress() | ||
|
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| } |
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