multi-tenancy + sdk client related changes in agents

client/src/main/java/org/opensearch/ml/client/MachineLearningClient.java

@@ -474,7 +474,23 @@
         return actionFuture;
     }
 
-    void deleteAgent(String agentId, ActionListener<DeleteResponse> listener);
+    /**
+     * Delete agent
+     * @param agentId The id of the agent to delete
+     * @param listener a listener to be notified of the result
+     */
+    default void deleteAgent(String agentId, ActionListener<DeleteResponse> listener) {
+        PlainActionFuture<DeleteResponse> actionFuture = PlainActionFuture.newFuture();
+        deleteAgent(agentId, null, actionFuture);
+    }
+
+    /**
+     * Delete agent
+     * @param agentId The id of the agent to delete
+     * @param tenantId the tenant id. This is necessary for multi-tenancy.
+     * @param listener a listener to be notified of the result
+     */
+    void deleteAgent(String agentId, String tenantId, ActionListener<DeleteResponse> listener);
 
     /**
      * Get a list of ToolMetadata and return ActionFuture.

client/src/main/java/org/opensearch/ml/client/MachineLearningNodeClient.java

@@ -292,8 +292,8 @@ public void registerAgent(MLAgent mlAgent, ActionListener<MLRegisterAgentRespons
     }
 
     @Override
-    public void deleteAgent(String agentId, ActionListener<DeleteResponse> listener) {
-        MLAgentDeleteRequest agentDeleteRequest = new MLAgentDeleteRequest(agentId);
+    public void deleteAgent(String agentId, String tenantId, ActionListener<DeleteResponse> listener) {
+        MLAgentDeleteRequest agentDeleteRequest = new MLAgentDeleteRequest(agentId, tenantId);
         client.execute(MLAgentDeleteAction.INSTANCE, agentDeleteRequest, ActionListener.wrap(listener::onResponse, listener::onFailure));
     }
 

client/src/test/java/org/opensearch/ml/client/MachineLearningClientTest.java

@@ -291,6 +291,11 @@ public void deleteAgent(String agentId, ActionListener<DeleteResponse> listener)
                 listener.onResponse(deleteResponse);
             }
 
+            @Override
+            public void deleteAgent(String agentId, String tenantId, ActionListener<DeleteResponse> listener) {
+                listener.onResponse(deleteResponse);
+            }
+
             @Override
             public void getConfig(String configId, ActionListener<MLConfig> listener) {
                 listener.onResponse(mlConfig);

client/src/test/java/org/opensearch/ml/client/MachineLearningNodeClientTest.java

@@ -1182,7 +1182,7 @@ public void deleteAgent() {
 
         ArgumentCaptor<DeleteResponse> argumentCaptor = ArgumentCaptor.forClass(DeleteResponse.class);
 
-        machineLearningNodeClient.deleteAgent(agentId, deleteAgentActionListener);
+        machineLearningNodeClient.deleteAgent(agentId, null, deleteAgentActionListener);
 
         verify(client).execute(eq(MLAgentDeleteAction.INSTANCE), isA(MLAgentDeleteRequest.class), any());
         verify(deleteAgentActionListener).onResponse(argumentCaptor.capture());

common/src/main/java/org/opensearch/ml/common/MLModel.java

@@ -315,9 +315,7 @@ public MLModel(StreamInput input) throws IOException {
             if (input.readBoolean()) {
                 modelInterface = input.readMap(StreamInput::readString, StreamInput::readString);
             }
-            if (streamInputVersion.onOrAfter(VERSION_2_19_0)) {
-                tenantId = input.readOptionalString();
-            }
+            this.tenantId = streamInputVersion.onOrAfter(VERSION_2_19_0) ? input.readOptionalString() : null;
         }
     }
 

common/src/main/java/org/opensearch/ml/common/agent/MLAgent.java

@@ -6,6 +6,8 @@
 package org.opensearch.ml.common.agent;
 
 import static org.opensearch.core.xcontent.XContentParserUtils.ensureExpectedToken;
+import static org.opensearch.ml.common.CommonValue.TENANT_ID_FIELD;
+import static org.opensearch.ml.common.CommonValue.VERSION_2_19_0;
 import static org.opensearch.ml.common.utils.StringUtils.getParameterMap;
 
 import java.io.IOException;
@@ -63,6 +65,7 @@
     private Instant lastUpdateTime;
     private String appType;
     private Boolean isHidden;
+    private final String tenantId;
 
     @Builder(toBuilder = true)
     public MLAgent(
@@ -76,7 +79,8 @@
         Instant createdTime,
         Instant lastUpdateTime,
         String appType,
-        Boolean isHidden
+        Boolean isHidden,
+        String tenantId
     ) {
         this.name = name;
         this.type = type;
@@ -90,6 +94,7 @@
         this.appType = appType;
         // is_hidden field isn't going to be set by user. It will be set by the code.
         this.isHidden = isHidden;
+        this.tenantId = tenantId;
         validate();
     }
 
@@ -155,6 +160,7 @@
         if (streamInputVersion.onOrAfter(MINIMAL_SUPPORTED_VERSION_FOR_HIDDEN_AGENT)) {
             isHidden = input.readOptionalBoolean();
         }
+        this.tenantId = streamInputVersion.onOrAfter(VERSION_2_19_0) ? input.readOptionalString() : null;
         validate();
     }
 
@@ -169,7 +175,7 @@
         } else {
             out.writeBoolean(false);
         }
-        if (tools != null && tools.size() > 0) {
+        if (tools != null && !tools.isEmpty()) {
             out.writeBoolean(true);
             out.writeInt(tools.size());
             for (MLToolSpec tool : tools) {
@@ -178,7 +184,7 @@
         } else {
             out.writeBoolean(false);
         }
-        if (parameters != null && parameters.size() > 0) {
+        if (parameters != null && !parameters.isEmpty()) {
             out.writeBoolean(true);
             out.writeMap(parameters, StreamOutput::writeString, StreamOutput::writeOptionalString);
         } else {
@@ -197,6 +203,9 @@
         if (streamOutputVersion.onOrAfter(MINIMAL_SUPPORTED_VERSION_FOR_HIDDEN_AGENT)) {
             out.writeOptionalBoolean(isHidden);
         }
+        if (streamOutputVersion.onOrAfter(VERSION_2_19_0)) {
+            out.writeOptionalString(tenantId);
+        }
     }
 
     @Override
@@ -236,6 +245,9 @@
         if (isHidden != null) {
             builder.field(MLModel.IS_HIDDEN_FIELD, isHidden);
         }
+        if (tenantId != null) {
+            builder.field(TENANT_ID_FIELD, tenantId);
+        }
         builder.endObject();
         return builder;
     }
@@ -260,6 +272,7 @@
         Instant lastUpdateTime = null;
         String appType = null;
         boolean isHidden = false;
+        String tenantId = null;
 
         ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.currentToken(), parser);
         while (parser.nextToken() != XContentParser.Token.END_OBJECT) {
@@ -305,6 +318,9 @@
                     if (parseHidden)
                         isHidden = parser.booleanValue();
                     break;
+                case TENANT_ID_FIELD:
+                    tenantId = parser.textOrNull();
+                    break;
                 default:
                     parser.skipChildren();
                     break;
@@ -324,11 +340,11 @@
             .lastUpdateTime(lastUpdateTime)
             .appType(appType)
             .isHidden(isHidden)
+            .tenantId(tenantId)
             .build();
     }
 
     public static MLAgent fromStream(StreamInput in) throws IOException {
-        MLAgent agent = new MLAgent(in);
-        return agent;
+        return new MLAgent(in);
     }
 }

common/src/main/java/org/opensearch/ml/common/agent/MLToolSpec.java

@@ -6,6 +6,8 @@
 package org.opensearch.ml.common.agent;
 
 import static org.opensearch.core.xcontent.XContentParserUtils.ensureExpectedToken;
+import static org.opensearch.ml.common.CommonValue.TENANT_ID_FIELD;
+import static org.opensearch.ml.common.CommonValue.VERSION_2_19_0;
 import static org.opensearch.ml.common.utils.StringUtils.getParameterMap;
 
 import java.io.IOException;
@@ -22,6 +24,7 @@
 import lombok.Builder;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
+import lombok.Setter;
 
 @EqualsAndHashCode
 @Getter
@@ -41,6 +44,8 @@
     private Map<String, String> parameters;
     private boolean includeOutputInAgentResponse;
     private Map<String, String> configMap;
+    @Setter
+    private String tenantId;
 
     @Builder(toBuilder = true)
     public MLToolSpec(
@@ -49,7 +54,8 @@
         String description,
         Map<String, String> parameters,
         boolean includeOutputInAgentResponse,
-        Map<String, String> configMap
+        Map<String, String> configMap,
+        String tenantId
     ) {
         if (type == null) {
             throw new IllegalArgumentException("tool type is null");
@@ -60,9 +66,11 @@
         this.parameters = parameters;
         this.includeOutputInAgentResponse = includeOutputInAgentResponse;
         this.configMap = configMap;
+        this.tenantId = tenantId;
     }
 
     public MLToolSpec(StreamInput input) throws IOException {
+        Version streamInputVersion = input.getVersion();
         type = input.readString();
         name = input.readOptionalString();
         description = input.readOptionalString();
@@ -73,13 +81,15 @@
         if (input.getVersion().onOrAfter(MINIMAL_SUPPORTED_VERSION_FOR_TOOL_CONFIG) && input.readBoolean()) {
             configMap = input.readMap(StreamInput::readString, StreamInput::readOptionalString);
         }
+        this.tenantId = streamInputVersion.onOrAfter(VERSION_2_19_0) ? input.readOptionalString() : null;
     }
 
     public void writeTo(StreamOutput out) throws IOException {
+        Version streamOutputVersion = out.getVersion();
         out.writeString(type);
         out.writeOptionalString(name);
         out.writeOptionalString(description);
-        if (parameters != null && parameters.size() > 0) {
+        if (parameters != null && !parameters.isEmpty()) {
             out.writeBoolean(true);
             out.writeMap(parameters, StreamOutput::writeString, StreamOutput::writeOptionalString);
         } else {
@@ -94,6 +104,9 @@
                 out.writeBoolean(false);
             }
         }
+        if (streamOutputVersion.onOrAfter(VERSION_2_19_0)) {
+            out.writeOptionalString(tenantId);
+        }
     }
 
     @Override
@@ -108,13 +121,16 @@
         if (description != null) {
             builder.field(DESCRIPTION_FIELD, description);
         }
-        if (parameters != null && parameters.size() > 0) {
+        if (parameters != null && !parameters.isEmpty()) {
             builder.field(PARAMETERS_FIELD, parameters);
         }
         builder.field(INCLUDE_OUTPUT_IN_AGENT_RESPONSE, includeOutputInAgentResponse);
         if (configMap != null && !configMap.isEmpty()) {
             builder.field(CONFIG_FIELD, configMap);
         }
+        if (tenantId != null) {
+            builder.field(TENANT_ID_FIELD, tenantId);
+        }
         builder.endObject();
         return builder;
     }
@@ -126,6 +142,7 @@
         Map<String, String> parameters = null;
         boolean includeOutputInAgentResponse = false;
         Map<String, String> configMap = null;
+        String tenantId = null;
 
         ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.currentToken(), parser);
         while (parser.nextToken() != XContentParser.Token.END_OBJECT) {
@@ -151,6 +168,9 @@
                 case CONFIG_FIELD:
                     configMap = getParameterMap(parser.map());
                     break;
+                case TENANT_ID_FIELD:
+                    tenantId = parser.textOrNull();
+                    break;
                 default:
                     parser.skipChildren();
                     break;
@@ -164,11 +184,11 @@
             .parameters(parameters)
             .includeOutputInAgentResponse(includeOutputInAgentResponse)
             .configMap(configMap)
+            .tenantId(tenantId)
             .build();
     }
 
     public static MLToolSpec fromStream(StreamInput in) throws IOException {
-        MLToolSpec toolSpec = new MLToolSpec(in);
-        return toolSpec;
+        return new MLToolSpec(in);
     }
 }

common/src/main/java/org/opensearch/ml/common/connector/AbstractConnector.java

@@ -83,7 +83,7 @@ protected Map<String, String> createDecryptedHeaders(Map<String, String> headers
         for (String key : headers.keySet()) {
             decryptedHeaders.put(key, substitutor.replace(headers.get(key)));
         }
-        if (parameters != null && parameters.size() > 0) {
+        if (parameters != null && !parameters.isEmpty()) {
             substitutor = new StringSubstitutor(parameters, "${parameters.", "}");
             for (String key : decryptedHeaders.keySet()) {
                 decryptedHeaders.put(key, substitutor.replace(decryptedHeaders.get(key)));
@@ -142,11 +142,11 @@ public void removeCredential() {
     @Override
     public String getActionEndpoint(String action, Map<String, String> parameters) {
         Optional<ConnectorAction> actionEndpoint = findAction(action);
-        if (!actionEndpoint.isPresent()) {
+        if (actionEndpoint.isEmpty()) {
             return null;
         }
         String predictEndpoint = actionEndpoint.get().getUrl();
-        if (parameters != null && parameters.size() > 0) {
+        if (parameters != null && !parameters.isEmpty()) {
             StringSubstitutor substitutor = new StringSubstitutor(parameters, "${parameters.", "}");
             predictEndpoint = substitutor.replace(predictEndpoint);
         }

common/src/main/java/org/opensearch/ml/common/connector/HttpConnector.java

@@ -242,9 +242,7 @@ private void parseFromStream(StreamInput input) throws IOException {
         if (input.readBoolean()) {
             this.connectorClientConfig = new ConnectorClientConfig(input);
         }
-        if (streamInputVersion.onOrAfter(VERSION_2_19_0)) {
-            this.tenantId = input.readOptionalString();
-        }
+        this.tenantId = streamInputVersion.onOrAfter(VERSION_2_19_0) ? input.readOptionalString() : null;
     }
 
     @Override

common/src/main/java/org/opensearch/ml/common/dataset/remote/RemoteInferenceInputDataSet.java

@@ -21,6 +21,7 @@
 import lombok.Getter;
 import lombok.Setter;
 
+@Setter
 @Getter
 @InputDataSet(MLInputDataType.REMOTE)
 public class RemoteInferenceInputDataSet extends MLInputDataset {
@@ -45,7 +46,7 @@ public RemoteInferenceInputDataSet(StreamInput streamInput) throws IOException {
         super(MLInputDataType.REMOTE);
         Version streamInputVersion = streamInput.getVersion();
         if (streamInput.readBoolean()) {
-            parameters = streamInput.readMap(s -> s.readString(), s -> s.readString());
+            parameters = streamInput.readMap(StreamInput::readString, StreamInput::readString);
         }
         if (streamInputVersion.onOrAfter(MINIMAL_SUPPORTED_VERSION_FOR_CLIENT_CONFIG)) {
             if (streamInput.readBoolean()) {

common/src/main/java/org/opensearch/ml/common/input/MLInput.java

@@ -164,18 +164,18 @@ public XContentBuilder toXContent(XContentBuilder builder, Params params) throws
                     TextDocsInputDataSet textInputDataSet = (TextDocsInputDataSet) this.inputDataset;
                     List<String> docs = textInputDataSet.getDocs();
                     ModelResultFilter resultFilter = textInputDataSet.getResultFilter();
-                    if (docs != null && docs.size() > 0) {
+                    if (docs != null && !docs.isEmpty()) {
                         builder.field(TEXT_DOCS_FIELD, docs.toArray(new String[0]));
                     }
                     if (resultFilter != null) {
                         builder.field(RETURN_BYTES_FIELD, resultFilter.isReturnBytes());
                         builder.field(RETURN_NUMBER_FIELD, resultFilter.isReturnNumber());
                         List<String> targetResponse = resultFilter.getTargetResponse();
-                        if (targetResponse != null && targetResponse.size() > 0) {
+                        if (targetResponse != null && !targetResponse.isEmpty()) {
                             builder.field(TARGET_RESPONSE_FIELD, targetResponse.toArray(new String[0]));
                         }
                         List<Integer> targetPositions = resultFilter.getTargetResponsePositions();
-                        if (targetPositions != null && targetPositions.size() > 0) {
+                        if (targetPositions != null && !targetPositions.isEmpty()) {
                             builder.field(TARGET_RESPONSE_POSITIONS_FIELD, targetPositions.toArray(new Integer[0]));
                         }
                     }