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Signed-off-by: Vamsi Manohar <[email protected]>
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12 changes: 12 additions & 0 deletions
12
flint-core/src/main/scala/org/apache/spark/metrics/source/FlintMetricSource.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| /* | ||
| * Copyright OpenSearch Contributors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
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| package org.apache.spark.metrics.source | ||
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| import com.codahale.metrics.MetricRegistry | ||
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| class FlintMetricSource(val sourceName: String) extends Source { | ||
| override val metricRegistry: MetricRegistry = new MetricRegistry | ||
| } |
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138 changes: 138 additions & 0 deletions
138
...src/main/scala/org/opensearch/flint/core/metrics/FlintOpensearchClientMetricsWrapper.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| /* | ||
| * Copyright OpenSearch Contributors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
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| package org.opensearch.flint.core.metrics; | ||
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| import com.codahale.metrics.Counter; | ||
| import java.util.List; | ||
| import java.util.function.Supplier; | ||
| import org.apache.spark.SparkEnv; | ||
| import org.apache.spark.metrics.source.FlintMetricSource; | ||
| import org.opensearch.client.RestHighLevelClient; | ||
| import org.opensearch.flint.core.FlintClient; | ||
| import org.opensearch.flint.core.metadata.FlintMetadata; | ||
| import org.opensearch.flint.core.metadata.log.OptimisticTransaction; | ||
| import org.opensearch.flint.core.metrics.reporter.DimensionedName; | ||
| import org.opensearch.flint.core.storage.FlintOpenSearchClient; | ||
| import org.opensearch.flint.core.storage.FlintReader; | ||
| import org.opensearch.flint.core.storage.FlintWriter; | ||
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| /** | ||
| * This class wraps FlintOpensearchClient and emit spark metrics to FlintMetricSource. | ||
| */ | ||
| public class FlintOpensearchClientMetricsWrapper implements FlintClient { | ||
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| private final FlintOpenSearchClient delegate; | ||
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| public FlintOpensearchClientMetricsWrapper(FlintOpenSearchClient delegate) { | ||
| this.delegate = delegate; | ||
| } | ||
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| @Override | ||
| public <T> OptimisticTransaction<T> startTransaction(String indexName, String dataSourceName) { | ||
| return handleExceptions(() -> delegate.startTransaction(indexName, dataSourceName)); | ||
| } | ||
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| @Override | ||
| public <T> OptimisticTransaction<T> startTransaction(String indexName, String dataSourceName, | ||
| boolean forceInit) { | ||
| return handleExceptions(() -> delegate.startTransaction(indexName, dataSourceName, forceInit)); | ||
| } | ||
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| @Override | ||
| public void createIndex(String indexName, FlintMetadata metadata) { | ||
| try { | ||
| delegate.createIndex(indexName, metadata); | ||
| } catch (Throwable t) { | ||
| handleThrowable(); | ||
| throw t; | ||
| } | ||
| } | ||
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| @Override | ||
| public boolean exists(String indexName) { | ||
| return handleExceptions(() -> delegate.exists(indexName)); | ||
| } | ||
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| @Override | ||
| public List<FlintMetadata> getAllIndexMetadata(String indexNamePattern) { | ||
| return handleExceptions(() -> delegate.getAllIndexMetadata(indexNamePattern)); | ||
| } | ||
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| @Override | ||
| public FlintMetadata getIndexMetadata(String indexName) { | ||
| return handleExceptions(() -> delegate.getIndexMetadata(indexName)); | ||
| } | ||
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| @Override | ||
| public void deleteIndex(String indexName) { | ||
| try { | ||
| delegate.deleteIndex(indexName); | ||
| } catch (Throwable t) { | ||
| handleThrowable(); | ||
| throw t; | ||
| } | ||
| } | ||
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| @Override | ||
| public FlintReader createReader(String indexName, String query) { | ||
| return handleExceptions(() -> delegate.createReader(indexName, query)); | ||
| } | ||
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| @Override | ||
| public FlintWriter createWriter(String indexName) { | ||
| return handleExceptions(() -> delegate.createWriter(indexName)); | ||
| } | ||
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| @Override | ||
| public RestHighLevelClient createClient() { | ||
| return handleExceptions(delegate::createClient); | ||
| } | ||
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| private <T> T handleExceptions(Supplier<T> function) { | ||
| try { | ||
| return function.get(); | ||
| } catch (Throwable t) { | ||
| handleThrowable(); | ||
| throw new RuntimeException(t); | ||
| } | ||
| } | ||
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| private void handleThrowable(){ | ||
| String clusterName = System.getenv("FLINT_OPENSEARCH_DOMAIN_IDENTIFIER"); | ||
| if (clusterName == null) { | ||
| clusterName = "unknown"; | ||
| } | ||
| DimensionedName metricName = DimensionedName.withName("FlintOpenSearchAccessError") | ||
| .withDimension("domain_ident", clusterName) | ||
| .build(); | ||
| publishMetric(metricName); | ||
| } | ||
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| private void handleAccessDeniedException() { | ||
| String clusterName = System.getenv("FLINT_AUTH_DOMAIN_IDENTIFIER"); | ||
| if (clusterName == null) { | ||
| clusterName = "unknown"; | ||
| } | ||
| DimensionedName metricName = DimensionedName.withName("FlintOpenSearchAccessDeniedError") | ||
| .withDimension("domain_ident", clusterName) | ||
| .build(); | ||
| publishMetric(metricName); | ||
| } | ||
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| private void publishMetric(DimensionedName metricName) { | ||
| FlintMetricSource flintMetricSource = | ||
| (FlintMetricSource) SparkEnv.get().metricsSystem().getSourcesByName("FlintMetricSource"); | ||
| if (flintMetricSource != null) { | ||
| Counter flintOpenSearchAccessError = | ||
| flintMetricSource.metricRegistry().getCounters().get(metricName.encode()); | ||
| if (flintOpenSearchAccessError == null) { | ||
| flintOpenSearchAccessError = flintMetricSource.metricRegistry().counter(metricName.encode()); | ||
| } | ||
| flintOpenSearchAccessError.inc(); | ||
| } | ||
| } | ||
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| } |
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