Abstract metrics to reduce dependency to legacy (#2747)

* Abstract metrics to reduce dependency to legacy

Signed-off-by: Tomoyuki Morita <moritato@amazon.com>

* Add comment

Signed-off-by: Tomoyuki Morita <moritato@amazon.com>

* Fix style

Signed-off-by: Tomoyuki Morita <moritato@amazon.com>

---------

Signed-off-by: Tomoyuki Morita <moritato@amazon.com>
(cherry picked from commit ef2cef3)
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

async-query-core/src/main/java/org/opensearch/sql/spark/client/EMRServerlessClientFactoryImpl.java

@@ -16,12 +16,14 @@
 import org.opensearch.sql.spark.asyncquery.model.NullAsyncQueryRequestContext;
 import org.opensearch.sql.spark.config.SparkExecutionEngineConfig;
 import org.opensearch.sql.spark.config.SparkExecutionEngineConfigSupplier;
+import org.opensearch.sql.spark.metrics.MetricsService;
 
 /** Implementation of {@link EMRServerlessClientFactory}. */
 @RequiredArgsConstructor
 public class EMRServerlessClientFactoryImpl implements EMRServerlessClientFactory {
 
   private final SparkExecutionEngineConfigSupplier sparkExecutionEngineConfigSupplier;
+  private final MetricsService metricsService;
   private EMRServerlessClient emrServerlessClient;
   private String region;
 
@@ -68,7 +70,7 @@ private EMRServerlessClient createEMRServerlessClient(String awsRegion) {
                       .withRegion(awsRegion)
                       .withCredentials(new DefaultAWSCredentialsProviderChain())
                       .build();
-              return new EmrServerlessClientImpl(awsemrServerless);
+              return new EmrServerlessClientImpl(awsemrServerless, metricsService);
             });
   }
 }

async-query-core/src/main/java/org/opensearch/sql/spark/client/EmrServerlessClientImpl.java

@@ -7,6 +7,9 @@
 
 import static org.opensearch.sql.datasource.model.DataSourceMetadata.DEFAULT_RESULT_INDEX;
 import static org.opensearch.sql.spark.data.constants.SparkConstants.SPARK_SQL_APPLICATION_JAR;
+import static org.opensearch.sql.spark.metrics.EmrMetrics.EMR_CANCEL_JOB_REQUEST_FAILURE_COUNT;
+import static org.opensearch.sql.spark.metrics.EmrMetrics.EMR_GET_JOB_RESULT_FAILURE_COUNT;
+import static org.opensearch.sql.spark.metrics.EmrMetrics.EMR_START_JOB_REQUEST_FAILURE_COUNT;
 
 import com.amazonaws.services.emrserverless.AWSEMRServerless;
 import com.amazonaws.services.emrserverless.model.CancelJobRunRequest;
@@ -20,25 +23,23 @@
 import com.amazonaws.services.emrserverless.model.ValidationException;
 import java.security.AccessController;
 import java.security.PrivilegedAction;
+import lombok.RequiredArgsConstructor;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
-import org.opensearch.sql.legacy.metrics.MetricName;
-import org.opensearch.sql.legacy.utils.MetricUtils;
+import org.opensearch.sql.spark.metrics.MetricsService;
 
+@RequiredArgsConstructor
 public class EmrServerlessClientImpl implements EMRServerlessClient {
 
   private final AWSEMRServerless emrServerless;
+  private final MetricsService metricsService;
   private static final Logger logger = LogManager.getLogger(EmrServerlessClientImpl.class);
 
   private static final int MAX_JOB_NAME_LENGTH = 255;
 
   public static final String GENERIC_INTERNAL_SERVER_ERROR_MESSAGE = "Internal Server Error.";
 
-  public EmrServerlessClientImpl(AWSEMRServerless emrServerless) {
-    this.emrServerless = emrServerless;
-  }
-
   @Override
   public String startJobRun(StartJobRequest startJobRequest) {
     String resultIndex =
@@ -68,8 +69,7 @@ public String startJobRun(StartJobRequest startJobRequest) {
                     return emrServerless.startJobRun(request);
                   } catch (Throwable t) {
                     logger.error("Error while making start job request to emr:", t);
-                    MetricUtils.incrementNumericalMetric(
-                        MetricName.EMR_START_JOB_REQUEST_FAILURE_COUNT);
+                    metricsService.incrementNumericalMetric(EMR_START_JOB_REQUEST_FAILURE_COUNT);
                     if (t instanceof ValidationException) {
                       throw new IllegalArgumentException(
                           "The input fails to satisfy the constraints specified by AWS EMR"
@@ -94,8 +94,7 @@ public GetJobRunResult getJobRunResult(String applicationId, String jobId) {
                     return emrServerless.getJobRun(request);
                   } catch (Throwable t) {
                     logger.error("Error while making get job run request to emr:", t);
-                    MetricUtils.incrementNumericalMetric(
-                        MetricName.EMR_GET_JOB_RESULT_FAILURE_COUNT);
+                    metricsService.incrementNumericalMetric(EMR_GET_JOB_RESULT_FAILURE_COUNT);
                     throw new RuntimeException(GENERIC_INTERNAL_SERVER_ERROR_MESSAGE);
                   }
                 });
@@ -119,8 +118,7 @@ public CancelJobRunResult cancelJobRun(
                       throw t;
                     } else {
                       logger.error("Error while making cancel job request to emr:", t);
-                      MetricUtils.incrementNumericalMetric(
-                          MetricName.EMR_CANCEL_JOB_REQUEST_FAILURE_COUNT);
+                      metricsService.incrementNumericalMetric(EMR_CANCEL_JOB_REQUEST_FAILURE_COUNT);
                       throw new RuntimeException(GENERIC_INTERNAL_SERVER_ERROR_MESSAGE);
                     }
                   }

async-query-core/src/main/java/org/opensearch/sql/spark/dispatcher/BatchQueryHandler.java

@@ -8,14 +8,13 @@
 import static org.opensearch.sql.spark.data.constants.SparkConstants.ERROR_FIELD;
 import static org.opensearch.sql.spark.data.constants.SparkConstants.STATUS_FIELD;
 import static org.opensearch.sql.spark.dispatcher.SparkQueryDispatcher.JOB_TYPE_TAG_KEY;
+import static org.opensearch.sql.spark.metrics.EmrMetrics.EMR_BATCH_QUERY_JOBS_CREATION_COUNT;
 
 import com.amazonaws.services.emrserverless.model.GetJobRunResult;
 import java.util.Map;
 import lombok.RequiredArgsConstructor;
 import org.json.JSONObject;
 import org.opensearch.sql.datasource.model.DataSourceMetadata;
-import org.opensearch.sql.legacy.metrics.MetricName;
-import org.opensearch.sql.legacy.utils.MetricUtils;
 import org.opensearch.sql.spark.asyncquery.model.AsyncQueryJobMetadata;
 import org.opensearch.sql.spark.asyncquery.model.SparkSubmitParameters;
 import org.opensearch.sql.spark.client.EMRServerlessClient;
@@ -25,6 +24,7 @@
 import org.opensearch.sql.spark.dispatcher.model.DispatchQueryResponse;
 import org.opensearch.sql.spark.dispatcher.model.JobType;
 import org.opensearch.sql.spark.leasemanager.LeaseManager;
+import org.opensearch.sql.spark.metrics.MetricsService;
 import org.opensearch.sql.spark.response.JobExecutionResponseReader;
 
 /**
@@ -36,6 +36,7 @@ public class BatchQueryHandler extends AsyncQueryHandler {
   protected final EMRServerlessClient emrServerlessClient;
   protected final JobExecutionResponseReader jobExecutionResponseReader;
   protected final LeaseManager leaseManager;
+  protected final MetricsService metricsService;
 
   @Override
   protected JSONObject getResponseFromResultIndex(AsyncQueryJobMetadata asyncQueryJobMetadata) {
@@ -90,7 +91,7 @@ public DispatchQueryResponse submit(
             false,
             dataSourceMetadata.getResultIndex());
     String jobId = emrServerlessClient.startJobRun(startJobRequest);
-    MetricUtils.incrementNumericalMetric(MetricName.EMR_BATCH_QUERY_JOBS_CREATION_COUNT);
+    metricsService.incrementNumericalMetric(EMR_BATCH_QUERY_JOBS_CREATION_COUNT);
     return DispatchQueryResponse.builder()
         .queryId(context.getQueryId())
         .jobId(jobId)

async-query-core/src/main/java/org/opensearch/sql/spark/dispatcher/InteractiveQueryHandler.java

@@ -15,8 +15,6 @@
 import lombok.RequiredArgsConstructor;
 import org.json.JSONObject;
 import org.opensearch.sql.datasource.model.DataSourceMetadata;
-import org.opensearch.sql.legacy.metrics.MetricName;
-import org.opensearch.sql.legacy.utils.MetricUtils;
 import org.opensearch.sql.spark.asyncquery.model.AsyncQueryJobMetadata;
 import org.opensearch.sql.spark.asyncquery.model.SparkSubmitParameters;
 import org.opensearch.sql.spark.dispatcher.model.DispatchQueryContext;
@@ -32,6 +30,8 @@
 import org.opensearch.sql.spark.execution.statement.StatementState;
 import org.opensearch.sql.spark.leasemanager.LeaseManager;
 import org.opensearch.sql.spark.leasemanager.model.LeaseRequest;
+import org.opensearch.sql.spark.metrics.EmrMetrics;
+import org.opensearch.sql.spark.metrics.MetricsService;
 import org.opensearch.sql.spark.response.JobExecutionResponseReader;
 
 /**
@@ -45,6 +45,7 @@ public class InteractiveQueryHandler extends AsyncQueryHandler {
   private final SessionManager sessionManager;
   private final JobExecutionResponseReader jobExecutionResponseReader;
   private final LeaseManager leaseManager;
+  private final MetricsService metricsService;
 
   @Override
   protected JSONObject getResponseFromResultIndex(AsyncQueryJobMetadata asyncQueryJobMetadata) {
@@ -121,7 +122,7 @@ public DispatchQueryResponse submit(
                   dataSourceMetadata.getResultIndex(),
                   dataSourceMetadata.getName()),
               context.getAsyncQueryRequestContext());
-      MetricUtils.incrementNumericalMetric(MetricName.EMR_INTERACTIVE_QUERY_JOBS_CREATION_COUNT);
+      metricsService.incrementNumericalMetric(EmrMetrics.EMR_INTERACTIVE_QUERY_JOBS_CREATION_COUNT);
     }
     session.submit(
         new QueryRequest(

async-query-core/src/main/java/org/opensearch/sql/spark/dispatcher/QueryHandlerFactory.java

@@ -12,6 +12,7 @@
 import org.opensearch.sql.spark.flint.IndexDMLResultStorageService;
 import org.opensearch.sql.spark.flint.operation.FlintIndexOpFactory;
 import org.opensearch.sql.spark.leasemanager.LeaseManager;
+import org.opensearch.sql.spark.metrics.MetricsService;
 import org.opensearch.sql.spark.response.JobExecutionResponseReader;
 
 @RequiredArgsConstructor
@@ -24,28 +25,37 @@ public class QueryHandlerFactory {
   private final IndexDMLResultStorageService indexDMLResultStorageService;
   private final FlintIndexOpFactory flintIndexOpFactory;
   private final EMRServerlessClientFactory emrServerlessClientFactory;
+  private final MetricsService metricsService;
 
   public RefreshQueryHandler getRefreshQueryHandler() {
     return new RefreshQueryHandler(
         emrServerlessClientFactory.getClient(),
         jobExecutionResponseReader,
         flintIndexMetadataService,
         leaseManager,
-        flintIndexOpFactory);
+        flintIndexOpFactory,
+        metricsService);
   }
 
   public StreamingQueryHandler getStreamingQueryHandler() {
     return new StreamingQueryHandler(
-        emrServerlessClientFactory.getClient(), jobExecutionResponseReader, leaseManager);
+        emrServerlessClientFactory.getClient(),
+        jobExecutionResponseReader,
+        leaseManager,
+        metricsService);
   }
 
   public BatchQueryHandler getBatchQueryHandler() {
     return new BatchQueryHandler(
-        emrServerlessClientFactory.getClient(), jobExecutionResponseReader, leaseManager);
+        emrServerlessClientFactory.getClient(),
+        jobExecutionResponseReader,
+        leaseManager,
+        metricsService);
   }
 
   public InteractiveQueryHandler getInteractiveQueryHandler() {
-    return new InteractiveQueryHandler(sessionManager, jobExecutionResponseReader, leaseManager);
+    return new InteractiveQueryHandler(
+        sessionManager, jobExecutionResponseReader, leaseManager, metricsService);
   }
 
   public IndexDMLHandler getIndexDMLHandler() {

async-query-core/src/main/java/org/opensearch/sql/spark/dispatcher/RefreshQueryHandler.java

@@ -19,6 +19,7 @@
 import org.opensearch.sql.spark.flint.operation.FlintIndexOpFactory;
 import org.opensearch.sql.spark.leasemanager.LeaseManager;
 import org.opensearch.sql.spark.leasemanager.model.LeaseRequest;
+import org.opensearch.sql.spark.metrics.MetricsService;
 import org.opensearch.sql.spark.response.JobExecutionResponseReader;
 
 /**
@@ -35,8 +36,9 @@ public RefreshQueryHandler(
       JobExecutionResponseReader jobExecutionResponseReader,
       FlintIndexMetadataService flintIndexMetadataService,
       LeaseManager leaseManager,
-      FlintIndexOpFactory flintIndexOpFactory) {
-    super(emrServerlessClient, jobExecutionResponseReader, leaseManager);
+      FlintIndexOpFactory flintIndexOpFactory,
+      MetricsService metricsService) {
+    super(emrServerlessClient, jobExecutionResponseReader, leaseManager, metricsService);
     this.flintIndexMetadataService = flintIndexMetadataService;
     this.flintIndexOpFactory = flintIndexOpFactory;
   }

async-query-core/src/main/java/org/opensearch/sql/spark/dispatcher/StreamingQueryHandler.java

@@ -7,11 +7,10 @@
 
 import static org.opensearch.sql.spark.dispatcher.SparkQueryDispatcher.INDEX_TAG_KEY;
 import static org.opensearch.sql.spark.dispatcher.SparkQueryDispatcher.JOB_TYPE_TAG_KEY;
+import static org.opensearch.sql.spark.metrics.EmrMetrics.EMR_STREAMING_QUERY_JOBS_CREATION_COUNT;
 
 import java.util.Map;
 import org.opensearch.sql.datasource.model.DataSourceMetadata;
-import org.opensearch.sql.legacy.metrics.MetricName;
-import org.opensearch.sql.legacy.utils.MetricUtils;
 import org.opensearch.sql.spark.asyncquery.model.AsyncQueryJobMetadata;
 import org.opensearch.sql.spark.asyncquery.model.SparkSubmitParameters;
 import org.opensearch.sql.spark.client.EMRServerlessClient;
@@ -23,6 +22,7 @@
 import org.opensearch.sql.spark.dispatcher.model.JobType;
 import org.opensearch.sql.spark.leasemanager.LeaseManager;
 import org.opensearch.sql.spark.leasemanager.model.LeaseRequest;
+import org.opensearch.sql.spark.metrics.MetricsService;
 import org.opensearch.sql.spark.response.JobExecutionResponseReader;
 
 /**
@@ -34,8 +34,9 @@ public class StreamingQueryHandler extends BatchQueryHandler {
   public StreamingQueryHandler(
       EMRServerlessClient emrServerlessClient,
       JobExecutionResponseReader jobExecutionResponseReader,
-      LeaseManager leaseManager) {
-    super(emrServerlessClient, jobExecutionResponseReader, leaseManager);
+      LeaseManager leaseManager,
+      MetricsService metricsService) {
+    super(emrServerlessClient, jobExecutionResponseReader, leaseManager, metricsService);
   }
 
   @Override
@@ -81,7 +82,7 @@ public DispatchQueryResponse submit(
             indexQueryDetails.getFlintIndexOptions().autoRefresh(),
             dataSourceMetadata.getResultIndex());
     String jobId = emrServerlessClient.startJobRun(startJobRequest);
-    MetricUtils.incrementNumericalMetric(MetricName.EMR_STREAMING_QUERY_JOBS_CREATION_COUNT);
+    metricsService.incrementNumericalMetric(EMR_STREAMING_QUERY_JOBS_CREATION_COUNT);
     return DispatchQueryResponse.builder()
         .queryId(context.getQueryId())
         .jobId(jobId)

async-query-core/src/main/java/org/opensearch/sql/spark/metrics/EmrMetrics.java

@@ -0,0 +1,15 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.opensearch.sql.spark.metrics;
+
+public enum EmrMetrics {
+  EMR_CANCEL_JOB_REQUEST_FAILURE_COUNT,
+  EMR_GET_JOB_RESULT_FAILURE_COUNT,
+  EMR_START_JOB_REQUEST_FAILURE_COUNT,
+  EMR_INTERACTIVE_QUERY_JOBS_CREATION_COUNT,
+  EMR_STREAMING_QUERY_JOBS_CREATION_COUNT,
+  EMR_BATCH_QUERY_JOBS_CREATION_COUNT;
+}

async-query-core/src/main/java/org/opensearch/sql/spark/metrics/MetricsService.java

@@ -0,0 +1,11 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.opensearch.sql.spark.metrics;
+
+/** Interface to abstract the emit of metrics */
+public interface MetricsService {
+  void incrementNumericalMetric(EmrMetrics emrMetrics);
+}

async-query-core/src/test/java/org/opensearch/sql/spark/client/EMRServerlessClientFactoryImplTest.java

@@ -16,18 +16,20 @@
 import org.opensearch.sql.spark.config.SparkExecutionEngineConfig;
 import org.opensearch.sql.spark.config.SparkExecutionEngineConfigSupplier;
 import org.opensearch.sql.spark.constants.TestConstants;
+import org.opensearch.sql.spark.metrics.MetricsService;
 
 @ExtendWith(MockitoExtension.class)
 public class EMRServerlessClientFactoryImplTest {
 
   @Mock private SparkExecutionEngineConfigSupplier sparkExecutionEngineConfigSupplier;
+  @Mock private MetricsService metricsService;
 
   @Test
   public void testGetClient() {
     when(sparkExecutionEngineConfigSupplier.getSparkExecutionEngineConfig(any()))
         .thenReturn(createSparkExecutionEngineConfig());
     EMRServerlessClientFactory emrServerlessClientFactory =
-        new EMRServerlessClientFactoryImpl(sparkExecutionEngineConfigSupplier);
+        new EMRServerlessClientFactoryImpl(sparkExecutionEngineConfigSupplier, metricsService);
     EMRServerlessClient emrserverlessClient = emrServerlessClientFactory.getClient();
     Assertions.assertNotNull(emrserverlessClient);
   }
@@ -38,7 +40,7 @@ public void testGetClientWithChangeInSetting() {
     when(sparkExecutionEngineConfigSupplier.getSparkExecutionEngineConfig(any()))
         .thenReturn(sparkExecutionEngineConfig);
     EMRServerlessClientFactory emrServerlessClientFactory =
-        new EMRServerlessClientFactoryImpl(sparkExecutionEngineConfigSupplier);
+        new EMRServerlessClientFactoryImpl(sparkExecutionEngineConfigSupplier, metricsService);
     EMRServerlessClient emrserverlessClient = emrServerlessClientFactory.getClient();
     Assertions.assertNotNull(emrserverlessClient);
 
@@ -57,7 +59,7 @@ public void testGetClientWithChangeInSetting() {
   public void testGetClientWithException() {
     when(sparkExecutionEngineConfigSupplier.getSparkExecutionEngineConfig(any())).thenReturn(null);
     EMRServerlessClientFactory emrServerlessClientFactory =
-        new EMRServerlessClientFactoryImpl(sparkExecutionEngineConfigSupplier);
+        new EMRServerlessClientFactoryImpl(sparkExecutionEngineConfigSupplier, metricsService);
     IllegalArgumentException illegalArgumentException =
         Assertions.assertThrows(
             IllegalArgumentException.class, emrServerlessClientFactory::getClient);
@@ -74,7 +76,7 @@ public void testGetClientWithExceptionWithNullRegion() {
     when(sparkExecutionEngineConfigSupplier.getSparkExecutionEngineConfig(any()))
         .thenReturn(sparkExecutionEngineConfig);
     EMRServerlessClientFactory emrServerlessClientFactory =
-        new EMRServerlessClientFactoryImpl(sparkExecutionEngineConfigSupplier);
+        new EMRServerlessClientFactoryImpl(sparkExecutionEngineConfigSupplier, metricsService);
     IllegalArgumentException illegalArgumentException =
         Assertions.assertThrows(
             IllegalArgumentException.class, emrServerlessClientFactory::getClient);