addressing comments

Signed-off-by: Amit Galitzky <amgalitz@amazon.com>

src/main/java/org/opensearch/flowframework/common/CommonValue.java

@@ -135,6 +135,6 @@ private CommonValue() {}
     /** The field name for the ResourcesCreated's resource ID */
     public static final String RESOURCE_ID_FIELD = "resource_id";
     /** The field name for the ResourcesCreated's resource name */
-    public static final String RESOURCE_NAME_FIELD = "resource_type";
+    public static final String WORKFLOW_STEP_NAME = "workflow_step_name";
 
 }

src/main/java/org/opensearch/flowframework/model/ResourcesCreated.java

@@ -19,23 +19,23 @@
 
 import static org.opensearch.core.xcontent.XContentParserUtils.ensureExpectedToken;
 import static org.opensearch.flowframework.common.CommonValue.RESOURCE_ID_FIELD;
-import static org.opensearch.flowframework.common.CommonValue.RESOURCE_NAME_FIELD;
+import static org.opensearch.flowframework.common.CommonValue.WORKFLOW_STEP_NAME;
 
 /**
  * This represents an object in the WorkflowState {@link WorkflowState}.
  */
 public class ResourcesCreated implements ToXContentObject, Writeable {
 
-    private String resourceName;
+    private String workflowStepName;
     private String resourceId;
 
     /**
      * Create this resources created object with given resource name and ID.
-     * @param resourceName The resource name associating to the step name where it was created
+     * @param workflowStepName The workflow step name associating to the step where it was created
      * @param resourceId The resources ID for relating to the created resource
      */
-    public ResourcesCreated(String resourceName, String resourceId) {
-        this.resourceName = resourceName;
+    public ResourcesCreated(String workflowStepName, String resourceId) {
+        this.workflowStepName = workflowStepName;
         this.resourceId = resourceId;
     }
 
@@ -45,24 +45,42 @@ public ResourcesCreated(String resourceName, String resourceId) {
      * @throws IOException if failed to read input stream
      */
     public ResourcesCreated(StreamInput input) throws IOException {
-        this.resourceName = input.readString();
+        this.workflowStepName = input.readString();
         this.resourceId = input.readString();
     }
 
     @Override
     public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
         XContentBuilder xContentBuilder = builder.startObject()
-            .field(RESOURCE_NAME_FIELD, resourceName)
+            .field(WORKFLOW_STEP_NAME, workflowStepName)
             .field(RESOURCE_ID_FIELD, resourceId);
         return xContentBuilder.endObject();
     }
 
     @Override
     public void writeTo(StreamOutput out) throws IOException {
-        out.writeString(resourceName);
+        out.writeString(workflowStepName);
         out.writeString(resourceId);
     }
 
+    /**
+     * Gets the resource id.
+     *
+     * @return the resourceId.
+     */
+    public String resourceId() {
+        return resourceId;
+    }
+
+    /**
+     * Gets the workflow step name associated to the created resource
+     *
+     * @return the workflowStepName.
+     */
+    public String workflowStepName() {
+        return workflowStepName;
+    }
+
     /**
      * Parse raw JSON content into a resourcesCreated instance.
      *
@@ -71,7 +89,7 @@ public void writeTo(StreamOutput out) throws IOException {
      * @throws IOException if content can't be parsed correctly
      */
     public static ResourcesCreated parse(XContentParser parser) throws IOException {
-        String resourceName = null;
+        String workflowStepName = null;
         String resourceId = null;
 
         ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.currentToken(), parser);
@@ -80,8 +98,8 @@ public static ResourcesCreated parse(XContentParser parser) throws IOException {
             parser.nextToken();
 
             switch (fieldName) {
-                case RESOURCE_NAME_FIELD:
-                    resourceName = parser.text();
+                case WORKFLOW_STEP_NAME:
+                    workflowStepName = parser.text();
                     break;
                 case RESOURCE_ID_FIELD:
                     resourceId = parser.text();
@@ -90,7 +108,15 @@ public static ResourcesCreated parse(XContentParser parser) throws IOException {
                     throw new IOException("Unable to parse field [" + fieldName + "] in a resources_created object.");
             }
         }
-        return new ResourcesCreated(resourceName, resourceId);
+        if (workflowStepName == null || resourceId == null) {
+            throw new IOException("A resourcesCreated object requires both a workflowStepName and resourceId.");
+        }
+        return new ResourcesCreated(workflowStepName, resourceId);
+    }
+
+    @Override
+    public String toString() {
+        return "resources_Created [resource_name=" + workflowStepName + ", id=" + resourceId + "]";
     }
 
 }

src/main/java/org/opensearch/flowframework/rest/RestGetWorkflowAction.java

@@ -11,6 +11,7 @@
 import com.google.common.collect.ImmutableList;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
+import org.opensearch.ExceptionsHelper;
 import org.opensearch.client.node.NodeClient;
 import org.opensearch.core.action.ActionListener;
 import org.opensearch.core.rest.RestStatus;
@@ -19,7 +20,7 @@
 import org.opensearch.flowframework.common.FlowFrameworkFeatureEnabledSetting;
 import org.opensearch.flowframework.exception.FlowFrameworkException;
 import org.opensearch.flowframework.transport.GetWorkflowAction;
-import org.opensearch.flowframework.transport.WorkflowRequest;
+import org.opensearch.flowframework.transport.GetWorkflowRequest;
 import org.opensearch.rest.BaseRestHandler;
 import org.opensearch.rest.BytesRestResponse;
 import org.opensearch.rest.RestRequest;
@@ -67,22 +68,22 @@ protected BaseRestHandler.RestChannelConsumer prepareRequest(RestRequest request
 
             // Validate content
             if (request.hasContent()) {
-                throw new FlowFrameworkException("Invalid request format", RestStatus.BAD_REQUEST);
+                throw new FlowFrameworkException("No request body present", RestStatus.BAD_REQUEST);
             }
             // Validate params
             String workflowId = request.param(WORKFLOW_ID);
             if (workflowId == null) {
                 throw new FlowFrameworkException("workflow_id cannot be null", RestStatus.BAD_REQUEST);
             }
 
-            boolean all = request.paramAsBoolean("_all", false);
-            WorkflowRequest workflowRequest = new WorkflowRequest(workflowId, null, false, all);
-            return channel -> client.execute(GetWorkflowAction.INSTANCE, workflowRequest, ActionListener.wrap(response -> {
+            boolean all = request.paramAsBoolean("all", false);
+            GetWorkflowRequest getWorkflowRequest = new GetWorkflowRequest(workflowId, all);
+            return channel -> client.execute(GetWorkflowAction.INSTANCE, getWorkflowRequest, ActionListener.wrap(response -> {
                 XContentBuilder builder = response.toXContent(channel.newBuilder(), ToXContent.EMPTY_PARAMS);
                 channel.sendResponse(new BytesRestResponse(RestStatus.OK, builder));
             }, exception -> {
                 try {
-                    FlowFrameworkException ex = (FlowFrameworkException) exception;
+                    FlowFrameworkException ex = new FlowFrameworkException(exception.getMessage(), ExceptionsHelper.status(exception));
                     XContentBuilder exceptionBuilder = ex.toXContent(channel.newErrorBuilder(), ToXContent.EMPTY_PARAMS);
                     channel.sendResponse(new BytesRestResponse(ex.getRestStatus(), exceptionBuilder));
                 } catch (IOException e) {

src/main/java/org/opensearch/flowframework/transport/GetWorkflowRequest.java

@@ -0,0 +1,84 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ */
+package org.opensearch.flowframework.transport;
+
+import org.opensearch.action.ActionRequest;
+import org.opensearch.action.ActionRequestValidationException;
+import org.opensearch.common.Nullable;
+import org.opensearch.core.common.io.stream.StreamInput;
+import org.opensearch.core.common.io.stream.StreamOutput;
+
+import java.io.IOException;
+
+/**
+ * Transport Request to get a workflow or workflow status
+ */
+public class GetWorkflowRequest extends ActionRequest {
+
+    /**
+     * The documentId of the workflow entry within the Global Context index
+     */
+    @Nullable
+    private String workflowId;
+
+    /**
+     * The all parameter on the get request
+     */
+    private boolean all;
+
+    /**
+     * Instantiates a new GetWorkflowRequest
+     * @param workflowId the documentId of the workflow
+     * @param all whether the get request is looking for all fields in status
+     */
+    public GetWorkflowRequest(@Nullable String workflowId, boolean all) {
+        this.workflowId = workflowId;
+        this.all = all;
+    }
+
+    /**
+     * Instantiates a new GetWorkflowRequest request
+     * @param in The input stream to read from
+     * @throws IOException If the stream cannot be read properly
+     */
+    public GetWorkflowRequest(StreamInput in) throws IOException {
+        super(in);
+        this.workflowId = in.readString();
+        this.all = in.readBoolean();
+    }
+
+    /**
+     * Gets the workflow Id of the request
+     * @return the workflow Id
+     */
+    @Nullable
+    public String getWorkflowId() {
+        return this.workflowId;
+    }
+
+    /**
+     * Gets the value of the all parameter
+     * @return whether the all parameter was present or not in request
+     */
+    public boolean getAll() {
+        return this.all;
+    }
+
+    @Override
+    public void writeTo(StreamOutput out) throws IOException {
+        super.writeTo(out);
+        out.writeString(workflowId);
+        out.writeBoolean(all);
+    }
+
+    @Override
+    public ActionRequestValidationException validate() {
+        return null;
+    }
+}

src/main/java/org/opensearch/flowframework/transport/GetWorkflowTransportAction.java

@@ -34,9 +34,10 @@
 //TODO: Currently we only get the workflow status but we should change to be able to get the
 // full template as well
 /**
- * Transport Action to get status of a current workflow
+ * Transport Action to get a specific workflow. Currently, we only support the action with _status
+ * in the API path but will add the ability to get the workflow and not just the status in the future
  */
-public class GetWorkflowTransportAction extends HandledTransportAction<WorkflowRequest, GetWorkflowResponse> {
+public class GetWorkflowTransportAction extends HandledTransportAction<GetWorkflowRequest, GetWorkflowResponse> {
 
     private final Logger logger = LogManager.getLogger(GetWorkflowTransportAction.class);
 
@@ -57,13 +58,13 @@ public GetWorkflowTransportAction(
         Client client,
         NamedXContentRegistry xContentRegistry
     ) {
-        super(GetWorkflowAction.NAME, transportService, actionFilters, WorkflowRequest::new);
+        super(GetWorkflowAction.NAME, transportService, actionFilters, GetWorkflowRequest::new);
         this.client = client;
         this.xContentRegistry = xContentRegistry;
     }
 
     @Override
-    protected void doExecute(Task task, WorkflowRequest request, ActionListener<GetWorkflowResponse> listener) {
+    protected void doExecute(Task task, GetWorkflowRequest request, ActionListener<GetWorkflowResponse> listener) {
         String workflowId = request.getWorkflowId();
         User user = ParseUtils.getUserContext(client);
         GetRequest getRequest = new GetRequest(WORKFLOW_STATE_INDEX).id(workflowId);
@@ -81,11 +82,11 @@ protected void doExecute(Task task, WorkflowRequest request, ActionListener<GetW
                         listener.onFailure(e);
                     }
                 } else {
-                    listener.onFailure(new FlowFrameworkException("Fail to find workflow", RestStatus.BAD_REQUEST));
+                    listener.onFailure(new FlowFrameworkException("Fail to find workflow", RestStatus.NOT_FOUND));
                 }
             }, e -> {
                 if (e instanceof IndexNotFoundException) {
-                    listener.onFailure(new FlowFrameworkException("Fail to find workflow", RestStatus.BAD_REQUEST));
+                    listener.onFailure(new FlowFrameworkException("Fail to find workflow", RestStatus.NOT_FOUND));
                 } else {
                     logger.error("Failed to get workflow status of  " + workflowId, e);
                     listener.onFailure(e);

src/main/java/org/opensearch/flowframework/transport/ProvisionWorkflowTransportAction.java

@@ -34,6 +34,7 @@
 
 import java.time.Instant;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
 import java.util.concurrent.CompletableFuture;
@@ -46,6 +47,7 @@
 import static org.opensearch.flowframework.common.CommonValue.PROVISION_START_TIME_FIELD;
 import static org.opensearch.flowframework.common.CommonValue.PROVISION_THREAD_POOL;
 import static org.opensearch.flowframework.common.CommonValue.PROVISION_WORKFLOW;
+import static org.opensearch.flowframework.common.CommonValue.RESOURCES_CREATED_FIELD;
 import static org.opensearch.flowframework.common.CommonValue.STATE_FIELD;
 import static org.opensearch.flowframework.common.CommonValue.WORKFLOW_STATE_INDEX;
 
@@ -125,7 +127,9 @@ protected void doExecute(Task task, WorkflowRequest request, ActionListener<Work
                         PROVISIONING_PROGRESS_FIELD,
                         ProvisioningProgress.IN_PROGRESS,
                         PROVISION_START_TIME_FIELD,
-                        Instant.now().toEpochMilli()
+                        Instant.now().toEpochMilli(),
+                        RESOURCES_CREATED_FIELD,
+                        Collections.emptyList()
                     ),
                     ActionListener.wrap(updateResponse -> {
                         logger.info("updated workflow {} state to PROVISIONING", request.getWorkflowId());
@@ -233,7 +237,7 @@ private void executeWorkflow(List<ProcessNode> workflowSequence, ActionListener<
             // Attempt to join each workflow step future, may throw a CompletionException if any step completes exceptionally
             workflowFutureList.forEach(CompletableFuture::join);
 
-            workflowListener.onResponse("READY");
+            // workflowListener.onResponse("READY");
 
         } catch (IllegalArgumentException e) {
             workflowListener.onFailure(new FlowFrameworkException(e.getMessage(), RestStatus.BAD_REQUEST));

src/main/java/org/opensearch/flowframework/transport/WorkflowRequest.java

@@ -43,36 +43,19 @@ public class WorkflowRequest extends ActionRequest {
      * @param template the use case template which describes the workflow
      */
     public WorkflowRequest(@Nullable String workflowId, @Nullable Template template) {
-        this(workflowId, template, false, false);
+        this(workflowId, template, false);
     }
 
-    /**
-     * The all parameter on the get request
-     */
-    private boolean all;
-
     /**
      * Instantiates a new WorkflowRequest
      * @param workflowId the documentId of the workflow
      * @param template the use case template which describes the workflow
      * @param dryRun flag to indicate if validation is necessary
-     * @param all whether the get request is looking for all fields in status
      */
-    public WorkflowRequest(@Nullable String workflowId, @Nullable Template template, boolean dryRun, boolean all) {
+    public WorkflowRequest(@Nullable String workflowId, @Nullable Template template, boolean dryRun) {
         this.workflowId = workflowId;
         this.template = template;
         this.dryRun = dryRun;
-        this.all = all;
-    }
-
-    /**
-     * Instantiates a new WorkflowRequest
-     * @param workflowId the documentId of the workflow
-     * @param template the use case template which describes the workflow
-     * @param all whether the get request is looking for all fields in status
-     */
-    public WorkflowRequest(@Nullable String workflowId, @Nullable Template template, boolean all) {
-        this(workflowId, template, all, false);
     }
 
     /**
@@ -114,14 +97,6 @@ public boolean isDryRun() {
         return this.dryRun;
     }
 
-    /**
-     * Gets the value of the all parameter
-     * @return whether the all parameter was present or not in request
-     */
-    public boolean getAll() {
-        return this.all;
-    }
-
     @Override
     public void writeTo(StreamOutput out) throws IOException {
         super.writeTo(out);