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feat(upgrade): common base for mcl upgrades (#10429)
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datahub-upgrade/src/main/java/com/linkedin/datahub/upgrade/system/AbstractMCLStep.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| package com.linkedin.datahub.upgrade.system; | ||
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| import static com.linkedin.metadata.Constants.DATA_HUB_UPGRADE_RESULT_ASPECT_NAME; | ||
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| import com.linkedin.common.urn.Urn; | ||
| import com.linkedin.datahub.upgrade.UpgradeContext; | ||
| import com.linkedin.datahub.upgrade.UpgradeStep; | ||
| import com.linkedin.datahub.upgrade.UpgradeStepResult; | ||
| import com.linkedin.datahub.upgrade.impl.DefaultUpgradeStepResult; | ||
| import com.linkedin.events.metadata.ChangeType; | ||
| import com.linkedin.metadata.boot.BootstrapStep; | ||
| import com.linkedin.metadata.entity.AspectDao; | ||
| import com.linkedin.metadata.entity.EntityService; | ||
| import com.linkedin.metadata.entity.EntityUtils; | ||
| import com.linkedin.metadata.entity.restoreindices.RestoreIndicesArgs; | ||
| import com.linkedin.metadata.models.AspectSpec; | ||
| import com.linkedin.metadata.utils.AuditStampUtils; | ||
| import com.linkedin.util.Pair; | ||
| import io.datahubproject.metadata.context.OperationContext; | ||
| import java.util.List; | ||
| import java.util.concurrent.ExecutionException; | ||
| import java.util.concurrent.Future; | ||
| import java.util.function.Function; | ||
| import java.util.stream.Collectors; | ||
| import javax.annotation.Nonnull; | ||
| import javax.annotation.Nullable; | ||
| import lombok.extern.slf4j.Slf4j; | ||
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|
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| /** | ||
| * Generic upgrade step class for generating MCLs for a given aspect in order to update ES documents | ||
| */ | ||
| @Slf4j | ||
| public abstract class AbstractMCLStep implements UpgradeStep { | ||
| private final OperationContext opContext; | ||
| private final EntityService<?> entityService; | ||
| private final AspectDao aspectDao; | ||
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| private final int batchSize; | ||
| private final int batchDelayMs; | ||
| private final int limit; | ||
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| public AbstractMCLStep( | ||
| OperationContext opContext, | ||
| EntityService<?> entityService, | ||
| AspectDao aspectDao, | ||
| Integer batchSize, | ||
| Integer batchDelayMs, | ||
| Integer limit) { | ||
| this.opContext = opContext; | ||
| this.entityService = entityService; | ||
| this.aspectDao = aspectDao; | ||
| this.batchSize = batchSize; | ||
| this.batchDelayMs = batchDelayMs; | ||
| this.limit = limit; | ||
| } | ||
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| @Nonnull | ||
| protected abstract String getAspectName(); | ||
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| protected Urn getUpgradeIdUrn() { | ||
| return BootstrapStep.getUpgradeUrn(id()); | ||
| } | ||
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| /** Optionally apply an urn-like sql filter, otherwise all urns */ | ||
| @Nullable | ||
| protected abstract String getUrnLike(); | ||
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| @Override | ||
| public Function<UpgradeContext, UpgradeStepResult> executable() { | ||
| return (context) -> { | ||
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| // re-using for configuring the sql scan | ||
| RestoreIndicesArgs args = | ||
| new RestoreIndicesArgs().aspectName(getAspectName()).batchSize(batchSize).limit(limit); | ||
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| if (getUrnLike() != null) { | ||
| args = args.urnLike(getUrnLike()); | ||
| } | ||
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| final AspectSpec aspectSpec = | ||
| opContext.getEntityRegistry().getAspectSpecs().get(getAspectName()); | ||
|
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| aspectDao | ||
| .streamAspectBatches(args) | ||
| .forEach( | ||
| batch -> { | ||
| log.info("Processing batch({}) of size {}.", getAspectName(), batchSize); | ||
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| List<Pair<Future<?>, Boolean>> futures = | ||
| EntityUtils.toSystemAspectFromEbeanAspects( | ||
| opContext.getRetrieverContext().get(), | ||
| batch.collect(Collectors.toList())) | ||
| .stream() | ||
| .map( | ||
| systemAspect -> | ||
| entityService.alwaysProduceMCLAsync( | ||
| opContext, | ||
| systemAspect.getUrn(), | ||
| systemAspect.getUrn().getEntityType(), | ||
| getAspectName(), | ||
| aspectSpec, | ||
| null, | ||
| systemAspect.getRecordTemplate(), | ||
| null, | ||
| systemAspect | ||
| .getSystemMetadata() | ||
| .setRunId(id()) | ||
| .setLastObserved(System.currentTimeMillis()), | ||
| AuditStampUtils.createDefaultAuditStamp(), | ||
| ChangeType.UPSERT)) | ||
| .collect(Collectors.toList()); | ||
|
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| futures.forEach( | ||
| f -> { | ||
| try { | ||
| f.getFirst().get(); | ||
| } catch (InterruptedException | ExecutionException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| }); | ||
|
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| if (batchDelayMs > 0) { | ||
| log.info("Sleeping for {} ms", batchDelayMs); | ||
| try { | ||
| Thread.sleep(batchDelayMs); | ||
| } catch (InterruptedException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| }); | ||
|
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| entityService | ||
| .streamRestoreIndices(opContext, args, x -> context.report().addLine((String) x)) | ||
| .forEach( | ||
| result -> { | ||
| context.report().addLine("Rows migrated: " + result.rowsMigrated); | ||
| context.report().addLine("Rows ignored: " + result.ignored); | ||
| }); | ||
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| BootstrapStep.setUpgradeResult(opContext, getUpgradeIdUrn(), entityService); | ||
| context.report().addLine("State updated: " + getUpgradeIdUrn()); | ||
|
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| return new DefaultUpgradeStepResult(id(), UpgradeStepResult.Result.SUCCEEDED); | ||
| }; | ||
| } | ||
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| @Override | ||
| /** Returns whether the upgrade should be skipped. */ | ||
| public boolean skip(UpgradeContext context) { | ||
| boolean previouslyRun = | ||
| entityService.exists( | ||
| opContext, getUpgradeIdUrn(), DATA_HUB_UPGRADE_RESULT_ASPECT_NAME, true); | ||
| if (previouslyRun) { | ||
| log.info("{} was already run. Skipping.", id()); | ||
| } | ||
| return previouslyRun; | ||
| } | ||
| } |
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