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FlintStreamingJobCleanerTask Implementation
Signed-off-by: Vamsi Manohar <[email protected]>
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134
spark/src/main/java/org/opensearch/sql/spark/cluster/FlintStreamingJobHouseKeeperTask.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| /* | ||
| * Copyright OpenSearch Contributors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| package org.opensearch.sql.spark.cluster; | ||
|
|
||
| import java.util.Map; | ||
| import java.util.concurrent.atomic.AtomicBoolean; | ||
| import java.util.stream.Collectors; | ||
| import lombok.RequiredArgsConstructor; | ||
| import org.apache.logging.log4j.LogManager; | ||
| import org.apache.logging.log4j.Logger; | ||
| import org.opensearch.sql.datasource.DataSourceService; | ||
| import org.opensearch.sql.datasource.model.DataSourceMetadata; | ||
| import org.opensearch.sql.datasource.model.DataSourceStatus; | ||
| import org.opensearch.sql.datasources.exceptions.DataSourceNotFoundException; | ||
| import org.opensearch.sql.legacy.metrics.MetricName; | ||
| import org.opensearch.sql.legacy.metrics.Metrics; | ||
| import org.opensearch.sql.spark.client.EMRServerlessClientFactory; | ||
| import org.opensearch.sql.spark.dispatcher.model.FlintIndexOptions; | ||
| import org.opensearch.sql.spark.execution.statestore.StateStore; | ||
| import org.opensearch.sql.spark.flint.FlintIndexMetadata; | ||
| import org.opensearch.sql.spark.flint.FlintIndexMetadataService; | ||
| import org.opensearch.sql.spark.flint.operation.FlintIndexOpAlter; | ||
| import org.opensearch.sql.spark.flint.operation.FlintIndexOpDrop; | ||
|
|
||
| /** Cleaner task which alters the active streaming jobs of a disabled datasource. */ | ||
| @RequiredArgsConstructor | ||
| public class FlintStreamingJobHouseKeeperTask implements Runnable { | ||
|
|
||
| private final DataSourceService dataSourceService; | ||
| private final FlintIndexMetadataService flintIndexMetadataService; | ||
| private final StateStore stateStore; | ||
| private final EMRServerlessClientFactory emrServerlessClientFactory; | ||
|
|
||
| private static final Logger LOGGER = LogManager.getLogger(FlintStreamingJobHouseKeeperTask.class); | ||
| protected static final AtomicBoolean isRunning = new AtomicBoolean(false); | ||
|
|
||
| @Override | ||
| public void run() { | ||
| if (!isRunning.compareAndSet(false, true)) { | ||
| LOGGER.info("Previous task is still running. Skipping this execution."); | ||
| return; | ||
| } | ||
| try { | ||
| LOGGER.info("Starting the cleaner task for disabled and deleted data sources."); | ||
| Map<String, FlintIndexMetadata> autoRefreshFlintIndicesMap = getAllAutoRefreshIndices(); | ||
| autoRefreshFlintIndicesMap.forEach( | ||
| (autoRefreshIndex, flintIndexMetadata) -> { | ||
| try { | ||
| String datasourceName = getDataSourceName(flintIndexMetadata); | ||
| try { | ||
| DataSourceMetadata dataSourceMetadata = | ||
| this.dataSourceService.getDataSourceMetadata(datasourceName); | ||
| if (dataSourceMetadata.getStatus() == DataSourceStatus.DISABLED) { | ||
| LOGGER.info("Datasource is disabled for autoRefreshIndex: {}", autoRefreshIndex); | ||
| alterAutoRefreshIndex(autoRefreshIndex, flintIndexMetadata, datasourceName); | ||
| } else { | ||
| LOGGER.debug("Datasource is enabled for autoRefreshIndex : {}", autoRefreshIndex); | ||
| } | ||
| } catch (DataSourceNotFoundException exception) { | ||
| // Datasource disabled. | ||
| LOGGER.info("Datasource is deleted for autoRefreshIndex: {}", autoRefreshIndex); | ||
| dropAutoRefreshIndex(autoRefreshIndex, flintIndexMetadata, datasourceName); | ||
| } | ||
| } catch (Exception exception) { | ||
| LOGGER.error( | ||
| "Failed to alter/cancel index {}: {}", | ||
| autoRefreshIndex, | ||
| exception.getMessage(), | ||
| exception); | ||
| Metrics.getInstance() | ||
| .getNumericalMetric(MetricName.STREAMING_JOB_HOUSEKEEPER_TASK_FAILURE_COUNT) | ||
| .increment(); | ||
| } | ||
| }); | ||
| } catch (Throwable error) { | ||
| LOGGER.error("Error while running the streaming job cleaner task: {}", error.getMessage()); | ||
| Metrics.getInstance() | ||
| .getNumericalMetric(MetricName.STREAMING_JOB_HOUSEKEEPER_TASK_FAILURE_COUNT) | ||
| .increment(); | ||
| } finally { | ||
| isRunning.set(false); | ||
| } | ||
| } | ||
|
|
||
| private void dropAutoRefreshIndex( | ||
| String autoRefreshIndex, FlintIndexMetadata flintIndexMetadata, String datasourceName) { | ||
| // When the datasource is deleted. Possibly Replace with VACUUM Operation. | ||
| LOGGER.info("Attempting to drop auto refresh index: {}", autoRefreshIndex); | ||
| FlintIndexOpDrop flintIndexOpDrop = | ||
| new FlintIndexOpDrop(stateStore, datasourceName, emrServerlessClientFactory.getClient()); | ||
| flintIndexOpDrop.apply(flintIndexMetadata); | ||
| LOGGER.info("Successfully dropped index: {}", autoRefreshIndex); | ||
| } | ||
|
|
||
| private void alterAutoRefreshIndex( | ||
| String autoRefreshIndex, FlintIndexMetadata flintIndexMetadata, String datasourceName) { | ||
| LOGGER.info("Attempting to alter index: {}", autoRefreshIndex); | ||
| FlintIndexOptions flintIndexOptions = new FlintIndexOptions(); | ||
| flintIndexOptions.setOption(FlintIndexOptions.AUTO_REFRESH, "false"); | ||
| FlintIndexOpAlter flintIndexOpAlter = | ||
| new FlintIndexOpAlter( | ||
| flintIndexOptions, | ||
| stateStore, | ||
| datasourceName, | ||
| emrServerlessClientFactory.getClient(), | ||
| flintIndexMetadataService); | ||
| flintIndexOpAlter.apply(flintIndexMetadata); | ||
| LOGGER.info("Successfully altered index: {}", autoRefreshIndex); | ||
| } | ||
|
|
||
| private String getDataSourceName(FlintIndexMetadata flintIndexMetadata) { | ||
| String kind = flintIndexMetadata.getKind(); | ||
| switch (kind) { | ||
| case "mv": | ||
| return flintIndexMetadata.getName().split("\\.")[0]; | ||
| case "skipping": | ||
| case "covering": | ||
| return flintIndexMetadata.getSource().split("\\.")[0]; | ||
| default: | ||
| throw new IllegalArgumentException(String.format("Unknown flint index kind: %s", kind)); | ||
| } | ||
| } | ||
|
|
||
| private Map<String, FlintIndexMetadata> getAllAutoRefreshIndices() { | ||
| Map<String, FlintIndexMetadata> flintIndexMetadataHashMap = | ||
| flintIndexMetadataService.getFlintIndexMetadata("flint_*"); | ||
| return flintIndexMetadataHashMap.entrySet().stream() | ||
| .filter(entry -> entry.getValue().getFlintIndexOptions().autoRefresh()) | ||
| .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue)); | ||
| } | ||
| } |
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