Provide a way to modify spark parameters

spark/src/main/java/org/opensearch/sql/spark/asyncquery/AsyncQueryExecutorService.java

@@ -6,6 +6,7 @@
 package org.opensearch.sql.spark.asyncquery;
 
 import org.opensearch.sql.spark.asyncquery.model.AsyncQueryExecutionResponse;
+import org.opensearch.sql.spark.asyncquery.model.RequestContext;
 import org.opensearch.sql.spark.rest.model.CreateAsyncQueryRequest;
 import org.opensearch.sql.spark.rest.model.CreateAsyncQueryResponse;
 
@@ -20,7 +21,8 @@ public interface AsyncQueryExecutorService {
    * @param createAsyncQueryRequest createAsyncQueryRequest.
    * @return {@link CreateAsyncQueryResponse}
    */
-  CreateAsyncQueryResponse createAsyncQuery(CreateAsyncQueryRequest createAsyncQueryRequest);
+  CreateAsyncQueryResponse createAsyncQuery(
+      CreateAsyncQueryRequest createAsyncQueryRequest, RequestContext requestContext);
 
   /**
    * Returns async query response for a given queryId.

spark/src/main/java/org/opensearch/sql/spark/asyncquery/AsyncQueryExecutorServiceImpl.java

@@ -18,6 +18,7 @@
 import org.opensearch.sql.spark.asyncquery.exceptions.AsyncQueryNotFoundException;
 import org.opensearch.sql.spark.asyncquery.model.AsyncQueryExecutionResponse;
 import org.opensearch.sql.spark.asyncquery.model.AsyncQueryJobMetadata;
+import org.opensearch.sql.spark.asyncquery.model.RequestContext;
 import org.opensearch.sql.spark.config.SparkExecutionEngineConfig;
 import org.opensearch.sql.spark.config.SparkExecutionEngineConfigSupplier;
 import org.opensearch.sql.spark.dispatcher.SparkQueryDispatcher;
@@ -36,9 +37,9 @@ public class AsyncQueryExecutorServiceImpl implements AsyncQueryExecutorService
 
   @Override
   public CreateAsyncQueryResponse createAsyncQuery(
-      CreateAsyncQueryRequest createAsyncQueryRequest) {
+      CreateAsyncQueryRequest createAsyncQueryRequest, RequestContext requestContext) {
     SparkExecutionEngineConfig sparkExecutionEngineConfig =
-        sparkExecutionEngineConfigSupplier.getSparkExecutionEngineConfig();
+        sparkExecutionEngineConfigSupplier.getSparkExecutionEngineConfig(requestContext);
     DispatchQueryResponse dispatchQueryResponse =
         sparkQueryDispatcher.dispatch(
             new DispatchQueryRequest(
@@ -48,7 +49,7 @@ public CreateAsyncQueryResponse createAsyncQuery(
                 createAsyncQueryRequest.getLang(),
                 sparkExecutionEngineConfig.getExecutionRoleARN(),
                 sparkExecutionEngineConfig.getClusterName(),
-                sparkExecutionEngineConfig.getSparkSubmitParameters(),
+                sparkExecutionEngineConfig.getSparkSubmitParameterModifier(),
                 createAsyncQueryRequest.getSessionId()));
     asyncQueryJobMetadataStorageService.storeJobMetadata(
         AsyncQueryJobMetadata.builder()

spark/src/main/java/org/opensearch/sql/spark/asyncquery/model/NullRequestContext.java

@@ -0,0 +1,14 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.opensearch.sql.spark.asyncquery.model;
+
+/** An implementation of RequestContext for where context is not required */
+public class NullRequestContext implements RequestContext {
+  @Override
+  public Object getAttribute(String name) {
+    return null;
+  }
+}

spark/src/main/java/org/opensearch/sql/spark/asyncquery/model/RequestContext.java

@@ -0,0 +1,11 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.opensearch.sql.spark.asyncquery.model;
+
+/** Context interface to provide additional request related information */
+public interface RequestContext {
+  Object getAttribute(String name);
+}

spark/src/main/java/org/opensearch/sql/spark/asyncquery/model/SparkSubmitParameters.java

@@ -21,11 +21,13 @@
 import java.util.function.Supplier;
 import lombok.AllArgsConstructor;
 import lombok.RequiredArgsConstructor;
+import lombok.Setter;
 import org.apache.commons.lang3.BooleanUtils;
 import org.apache.commons.text.StringEscapeUtils;
 import org.opensearch.sql.datasource.model.DataSourceMetadata;
 import org.opensearch.sql.datasource.model.DataSourceType;
 import org.opensearch.sql.datasources.auth.AuthenticationType;
+import org.opensearch.sql.spark.config.SparkSubmitParameterModifier;
 import org.opensearch.sql.spark.execution.statestore.OpenSearchStateStoreUtil;
 
 /** Define Spark Submit Parameters. */
@@ -40,7 +42,24 @@ public class SparkSubmitParameters {
   private final Map<String, String> config;
 
   /** Extra parameters to append finally */
-  private String extraParameters;
+  @Setter private String extraParameters;
+
+  public void setConfigItem(String key, String value) {
+    config.put(key, value);
+  }
+
+  public void deleteConfigItem(String key) {
+    config.remove(key);
+  }
+
+  public static Builder builder() {
+    return Builder.builder();
+  }
+
+  public SparkSubmitParameters acceptModifier(SparkSubmitParameterModifier modifier) {
+    modifier.modifyParameters(this);
+    return this;
+  }
 
   public static class Builder {
 
@@ -180,17 +199,16 @@ public Builder extraParameters(String params) {
       return this;
     }
 
-    public Builder sessionExecution(String sessionId, String datasourceName) {
-      config.put(FLINT_JOB_REQUEST_INDEX, OpenSearchStateStoreUtil.getIndexName(datasourceName));
-      config.put(FLINT_JOB_SESSION_ID, sessionId);
-      return this;
-    }
-
     public SparkSubmitParameters build() {
       return new SparkSubmitParameters(className, config, extraParameters);
     }
   }
 
+  public void sessionExecution(String sessionId, String datasourceName) {
+    config.put(FLINT_JOB_REQUEST_INDEX, OpenSearchStateStoreUtil.getIndexName(datasourceName));
+    config.put(FLINT_JOB_SESSION_ID, sessionId);
+  }
+
   @Override
   public String toString() {
     StringBuilder stringBuilder = new StringBuilder();

spark/src/main/java/org/opensearch/sql/spark/client/EMRServerlessClientFactoryImpl.java

@@ -13,6 +13,7 @@
 import java.security.AccessController;
 import java.security.PrivilegedAction;
 import lombok.RequiredArgsConstructor;
+import org.opensearch.sql.spark.asyncquery.model.NullRequestContext;
 import org.opensearch.sql.spark.config.SparkExecutionEngineConfig;
 import org.opensearch.sql.spark.config.SparkExecutionEngineConfigSupplier;
 
@@ -32,7 +33,8 @@ public class EMRServerlessClientFactoryImpl implements EMRServerlessClientFactor
   @Override
   public EMRServerlessClient getClient() {
     SparkExecutionEngineConfig sparkExecutionEngineConfig =
-        this.sparkExecutionEngineConfigSupplier.getSparkExecutionEngineConfig();
+        this.sparkExecutionEngineConfigSupplier.getSparkExecutionEngineConfig(
+            new NullRequestContext());
     validateSparkExecutionEngineConfig(sparkExecutionEngineConfig);
     if (isNewClientCreationRequired(sparkExecutionEngineConfig.getRegion())) {
       region = sparkExecutionEngineConfig.getRegion();

spark/src/main/java/org/opensearch/sql/spark/config/OpenSearchSparkSubmitParameterModifier.java

@@ -0,0 +1,15 @@
+package org.opensearch.sql.spark.config;
+
+import lombok.AllArgsConstructor;
+import org.opensearch.sql.spark.asyncquery.model.SparkSubmitParameters;
+
+@AllArgsConstructor
+public class OpenSearchSparkSubmitParameterModifier implements SparkSubmitParameterModifier {
+
+  private String extraParameters;
+
+  @Override
+  public void modifyParameters(SparkSubmitParameters parameters) {
+    parameters.setExtraParameters(this.extraParameters);
+  }
+}

spark/src/main/java/org/opensearch/sql/spark/config/SparkExecutionEngineConfig.java

@@ -1,21 +1,21 @@
 package org.opensearch.sql.spark.config;
 
 import lombok.AllArgsConstructor;
+import lombok.Builder;
 import lombok.Data;
-import lombok.NoArgsConstructor;
 
 /**
  * POJO for spark Execution Engine Config. Interface between {@link
  * org.opensearch.sql.spark.asyncquery.AsyncQueryExecutorService} and {@link
  * SparkExecutionEngineConfigSupplier}
  */
 @Data
-@NoArgsConstructor
+@Builder
 @AllArgsConstructor
 public class SparkExecutionEngineConfig {
   private String applicationId;
   private String region;
   private String executionRoleARN;
-  private String sparkSubmitParameters;
+  private SparkSubmitParameterModifier sparkSubmitParameterModifier;
   private String clusterName;
 }

spark/src/main/java/org/opensearch/sql/spark/config/SparkExecutionEngineConfigSupplier.java

@@ -1,5 +1,7 @@
 package org.opensearch.sql.spark.config;
 
+import org.opensearch.sql.spark.asyncquery.model.RequestContext;
+
 /** Interface for extracting and providing SparkExecutionEngineConfig */
 public interface SparkExecutionEngineConfigSupplier {
 
@@ -8,5 +10,5 @@ public interface SparkExecutionEngineConfigSupplier {
    *
    * @return {@link SparkExecutionEngineConfig}.
    */
-  SparkExecutionEngineConfig getSparkExecutionEngineConfig();
+  SparkExecutionEngineConfig getSparkExecutionEngineConfig(RequestContext requestContext);
 }

spark/src/main/java/org/opensearch/sql/spark/config/SparkExecutionEngineConfigSupplierImpl.java

@@ -9,34 +9,38 @@
 import org.apache.commons.lang3.StringUtils;
 import org.opensearch.cluster.ClusterName;
 import org.opensearch.sql.common.setting.Settings;
+import org.opensearch.sql.spark.asyncquery.model.RequestContext;
 
 @AllArgsConstructor
 public class SparkExecutionEngineConfigSupplierImpl implements SparkExecutionEngineConfigSupplier {
 
   private Settings settings;
 
   @Override
-  public SparkExecutionEngineConfig getSparkExecutionEngineConfig() {
+  public SparkExecutionEngineConfig getSparkExecutionEngineConfig(RequestContext requestContext) {
+    ClusterName clusterName = settings.getSettingValue(CLUSTER_NAME);
+    return getBuilderFromSettingsIfAvailable().clusterName(clusterName.value()).build();
+  }
+
+  private SparkExecutionEngineConfig.SparkExecutionEngineConfigBuilder
+      getBuilderFromSettingsIfAvailable() {
     String sparkExecutionEngineConfigSettingString =
         this.settings.getSettingValue(SPARK_EXECUTION_ENGINE_CONFIG);
-    SparkExecutionEngineConfig sparkExecutionEngineConfig = new SparkExecutionEngineConfig();
     if (!StringUtils.isBlank(sparkExecutionEngineConfigSettingString)) {
-      SparkExecutionEngineConfigClusterSetting sparkExecutionEngineConfigClusterSetting =
+      SparkExecutionEngineConfigClusterSetting setting =
           AccessController.doPrivileged(
               (PrivilegedAction<SparkExecutionEngineConfigClusterSetting>)
                   () ->
                       SparkExecutionEngineConfigClusterSetting.toSparkExecutionEngineConfig(
                           sparkExecutionEngineConfigSettingString));
-      sparkExecutionEngineConfig.setApplicationId(
-          sparkExecutionEngineConfigClusterSetting.getApplicationId());
-      sparkExecutionEngineConfig.setExecutionRoleARN(
-          sparkExecutionEngineConfigClusterSetting.getExecutionRoleARN());
-      sparkExecutionEngineConfig.setSparkSubmitParameters(
-          sparkExecutionEngineConfigClusterSetting.getSparkSubmitParameters());
-      sparkExecutionEngineConfig.setRegion(sparkExecutionEngineConfigClusterSetting.getRegion());
+      return SparkExecutionEngineConfig.builder()
+          .applicationId(setting.getApplicationId())
+          .executionRoleARN(setting.getExecutionRoleARN())
+          .sparkSubmitParameterModifier(
+              new OpenSearchSparkSubmitParameterModifier(setting.getSparkSubmitParameters()))
+          .region(setting.getRegion());
+    } else {
+      return SparkExecutionEngineConfig.builder();
     }
-    ClusterName clusterName = settings.getSettingValue(CLUSTER_NAME);
-    sparkExecutionEngineConfig.setClusterName(clusterName.value());
-    return sparkExecutionEngineConfig;
   }
 }

spark/src/main/java/org/opensearch/sql/spark/config/SparkSubmitParameterModifier.java

@@ -0,0 +1,11 @@
+package org.opensearch.sql.spark.config;
+
+import org.opensearch.sql.spark.asyncquery.model.SparkSubmitParameters;
+
+/**
+ * Interface for extension point to allow modification of spark submit parameter. modifyParameter
+ * method is called after the default spark submit parameter is build.
+ */
+public interface SparkSubmitParameterModifier {
+  void modifyParameters(SparkSubmitParameters parameters);
+}

spark/src/main/java/org/opensearch/sql/spark/data/constants/SparkConstants.java

@@ -47,8 +47,10 @@ public class SparkConstants {
   public static final String SPARK_DRIVER_ENV_JAVA_HOME_KEY =
       "spark.emr-serverless.driverEnv.JAVA_HOME";
   public static final String SPARK_EXECUTOR_ENV_JAVA_HOME_KEY = "spark.executorEnv.JAVA_HOME";
+  // Used for logging/metrics in Spark (driver)
   public static final String SPARK_DRIVER_ENV_FLINT_CLUSTER_NAME_KEY =
       "spark.emr-serverless.driverEnv.FLINT_CLUSTER_NAME";
+  // Used for logging/metrics in Spark (executor)
   public static final String SPARK_EXECUTOR_ENV_FLINT_CLUSTER_NAME_KEY =
       "spark.executorEnv.FLINT_CLUSTER_NAME";
   public static final String FLINT_INDEX_STORE_HOST_KEY = "spark.datasource.flint.host";

spark/src/main/java/org/opensearch/sql/spark/dispatcher/BatchQueryHandler.java

@@ -81,12 +81,12 @@ public DispatchQueryResponse submit(
             clusterName + ":" + JobType.BATCH.getText(),
             dispatchQueryRequest.getApplicationId(),
             dispatchQueryRequest.getExecutionRoleARN(),
-            SparkSubmitParameters.Builder.builder()
+            SparkSubmitParameters.builder()
                 .clusterName(clusterName)
                 .dataSource(context.getDataSourceMetadata())
                 .query(dispatchQueryRequest.getQuery())
-                .extraParameters(dispatchQueryRequest.getExtraSparkSubmitParams())
                 .build()
+                .acceptModifier(dispatchQueryRequest.getSparkSubmitParameterModifier())
                 .toString(),
             tags,
             false,

spark/src/main/java/org/opensearch/sql/spark/dispatcher/InteractiveQueryHandler.java

@@ -102,11 +102,12 @@ public DispatchQueryResponse submit(
                   clusterName,
                   dispatchQueryRequest.getApplicationId(),
                   dispatchQueryRequest.getExecutionRoleARN(),
-                  SparkSubmitParameters.Builder.builder()
+                  SparkSubmitParameters.builder()
                       .className(FLINT_SESSION_CLASS_NAME)
                       .clusterName(clusterName)
                       .dataSource(dataSourceMetadata)
-                      .extraParameters(dispatchQueryRequest.getExtraSparkSubmitParams()),
+                      .build()
+                      .acceptModifier(dispatchQueryRequest.getSparkSubmitParameterModifier()),
                   tags,
                   dataSourceMetadata.getResultIndex(),
                   dataSourceMetadata.getName()));

spark/src/main/java/org/opensearch/sql/spark/dispatcher/StreamingQueryHandler.java

@@ -69,13 +69,13 @@ public DispatchQueryResponse submit(
             jobName,
             dispatchQueryRequest.getApplicationId(),
             dispatchQueryRequest.getExecutionRoleARN(),
-            SparkSubmitParameters.Builder.builder()
+            SparkSubmitParameters.builder()
                 .clusterName(clusterName)
                 .dataSource(dataSourceMetadata)
                 .query(dispatchQueryRequest.getQuery())
                 .structuredStreaming(true)
-                .extraParameters(dispatchQueryRequest.getExtraSparkSubmitParams())
                 .build()
+                .acceptModifier(dispatchQueryRequest.getSparkSubmitParameterModifier())
                 .toString(),
             tags,
             indexQueryDetails.getFlintIndexOptions().autoRefresh(),

spark/src/main/java/org/opensearch/sql/spark/dispatcher/model/DispatchQueryRequest.java

@@ -8,6 +8,7 @@
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.RequiredArgsConstructor;
+import org.opensearch.sql.spark.config.SparkSubmitParameterModifier;
 import org.opensearch.sql.spark.rest.model.LangType;
 
 @AllArgsConstructor
@@ -21,8 +22,8 @@ public class DispatchQueryRequest {
   private final String executionRoleARN;
   private final String clusterName;
 
-  /** Optional extra Spark submit parameters to include in final request */
-  private String extraSparkSubmitParams;
+  /* extension point to modify or add spark submit parameter */
+  private final SparkSubmitParameterModifier sparkSubmitParameterModifier;
 
   /** Optional sessionId. */
   private String sessionId;

spark/src/main/java/org/opensearch/sql/spark/execution/session/CreateSessionRequest.java

@@ -16,7 +16,7 @@ public class CreateSessionRequest {
   private final String clusterName;
   private final String applicationId;
   private final String executionRoleArn;
-  private final SparkSubmitParameters.Builder sparkSubmitParametersBuilder;
+  private final SparkSubmitParameters sparkSubmitParameters;
   private final Map<String, String> tags;
   private final String resultIndex;
   private final String datasourceName;
@@ -26,7 +26,7 @@ public StartJobRequest getStartJobRequest(String sessionId) {
         clusterName + ":" + JobType.INTERACTIVE.getText() + ":" + sessionId,
         applicationId,
         executionRoleArn,
-        sparkSubmitParametersBuilder.build().toString(),
+        sparkSubmitParameters.toString(),
         tags,
         resultIndex);
   }

spark/src/main/java/org/opensearch/sql/spark/execution/session/InteractiveSession.java

@@ -53,7 +53,7 @@ public void open(CreateSessionRequest createSessionRequest) {
     try {
       // append session id;
       createSessionRequest
-          .getSparkSubmitParametersBuilder()
+          .getSparkSubmitParameters()
           .sessionExecution(sessionId.getSessionId(), createSessionRequest.getDatasourceName());
       createSessionRequest.getTags().put(SESSION_ID_TAG_KEY, sessionId.getSessionId());
       StartJobRequest startJobRequest =

spark/src/main/java/org/opensearch/sql/spark/transport/TransportCreateAsyncQueryRequestAction.java

@@ -18,6 +18,7 @@
 import org.opensearch.sql.protocol.response.format.JsonResponseFormatter;
 import org.opensearch.sql.spark.asyncquery.AsyncQueryExecutorService;
 import org.opensearch.sql.spark.asyncquery.AsyncQueryExecutorServiceImpl;
+import org.opensearch.sql.spark.asyncquery.model.NullRequestContext;
 import org.opensearch.sql.spark.rest.model.CreateAsyncQueryRequest;
 import org.opensearch.sql.spark.rest.model.CreateAsyncQueryResponse;
 import org.opensearch.sql.spark.transport.model.CreateAsyncQueryActionRequest;
@@ -64,7 +65,8 @@ protected void doExecute(
 
       CreateAsyncQueryRequest createAsyncQueryRequest = request.getCreateAsyncQueryRequest();
       CreateAsyncQueryResponse createAsyncQueryResponse =
-          asyncQueryExecutorService.createAsyncQuery(createAsyncQueryRequest);
+          asyncQueryExecutorService.createAsyncQuery(
+              createAsyncQueryRequest, new NullRequestContext());
       String responseContent =
           new JsonResponseFormatter<CreateAsyncQueryResponse>(JsonResponseFormatter.Style.PRETTY) {
             @Override