CLAMP-CDS integration to display all CDS actions for blueprint in CL

CLAMP-CDS integration to display all CDS actions for blueprint in CL

Change-Id: I18b972b8952e5de9ac8e39d6c9cc4ecba0ec9b02
Issue-ID: CLAMP-491
Signed-off-by: Vidyashree-Huawei <vidyashree.rama@huawei.com>

6 files changed, 414 insertions, 9 deletions

diff --git a/src/main/java/org/onap/clamp/clds/client/CdsServices.java b/src/main/java/org/onap/clamp/clds/client/CdsServices.java
new file mode 100644
index 000000000..fe1937ab1
--- /dev/null
+++ b/src/main/java/org/onap/clamp/clds/client/CdsServices.java
@@ -0,0 +1,171 @@
+/*-

+ * ============LICENSE_START=======================================================

+ * ONAP CLAMP

+ * ================================================================================

+ * Copyright (C) 2020 Huawei Technologies Co., Ltd.

+ * ================================================================================

+ * Licensed under the Apache License, Version 2.0 (the "License");

+ * you may not use this file except in compliance with the License.

+ * You may obtain a copy of the License at

+ *

+ *      http://www.apache.org/licenses/LICENSE-2.0

+ *

+ * Unless required by applicable law or agreed to in writing, software

+ * distributed under the License is distributed on an "AS IS" BASIS,

+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

+ * See the License for the specific language governing permissions and

+ * limitations under the License.

+ * ============LICENSE_END=========================================================

+ * ================================================================================

+ *

+ */

+

+package org.onap.clamp.clds.client;

+

+import com.att.eelf.configuration.EELFLogger;

+import com.att.eelf.configuration.EELFManager;

+import com.google.gson.JsonElement;

+import com.google.gson.JsonObject;

+import com.google.gson.JsonParser;

+

+import java.util.Date;

+import java.util.Map;

+

+import org.apache.camel.CamelContext;

+import org.apache.camel.Exchange;

+import org.apache.camel.builder.ExchangeBuilder;

+import org.onap.clamp.clds.model.cds.CdsBpWorkFlowListResponse;

+import org.onap.clamp.clds.util.JsonUtils;

+import org.onap.clamp.clds.util.LoggingUtils;

+import org.springframework.beans.factory.annotation.Autowired;

+import org.springframework.stereotype.Component;

+

+/**

+ * This class implements the communication with CDS for the service inventory.

+ */

+@Component

+public class CdsServices {

+

+    @Autowired

+    CamelContext camelContext;

+

+    protected static final EELFLogger logger = EELFManager.getInstance().getLogger(CdsServices.class);

+

+    /**

+     * Constructor.

+     */

+    @Autowired

+    public CdsServices() {

+    }

+

+

+    /**

+     * Query CDS to get blueprint's workflow list.

+     *

+     * @param blueprintName    CDS blueprint name

+     * @param blueprintVersion CDS blueprint version

+     * @return CdsBpWorkFlowListResponse CDS blueprint's workflow list

+     */

+    public CdsBpWorkFlowListResponse getBlueprintWorkflowList(String blueprintName, String blueprintVersion) {

+        LoggingUtils.setTargetContext("CDS", "getBlueprintWorkflowList");

+

+        Exchange myCamelExchange = ExchangeBuilder.anExchange(camelContext)

+                .withProperty("blueprintName", blueprintName).withProperty("blueprintVersion", blueprintVersion)

+                .build();

+

+        Exchange exchangeResponse = camelContext.createProducerTemplate()

+                .send("direct:get-blueprint-workflow-list", myCamelExchange);

+

+        if (Integer.valueOf(200).equals(exchangeResponse.getIn().getHeader("CamelHttpResponseCode"))) {

+            String cdsResponse = (String) exchangeResponse.getIn().getBody();

+            logger.info("getBlueprintWorkflowList, response from CDS:" + cdsResponse);

+            LoggingUtils.setResponseContext("0", "Get Blueprint workflow list", this.getClass().getName());

+            Date startTime = new Date();

+            LoggingUtils.setTimeContext(startTime, new Date());

+            return JsonUtils.GSON_JPA_MODEL.fromJson(cdsResponse, CdsBpWorkFlowListResponse.class);

+        }

+        return null;

+    }

+

+    /**

+     * Query CDS to get input properties of workflow.

+     *

+     * @param blueprintName    CDS blueprint name

+     * @param blueprintVersion CDS blueprint name

+     * @param workflow         CDS blueprint's workflow

+     * @return input properties in json format

+     */

+    public JsonObject getWorkflowInputProperties(String blueprintName, String blueprintVersion,

+                                                 String workflow) {

+        LoggingUtils.setTargetContext("CDS", "getWorkflowInputProperties");

+

+        Exchange myCamelExchange = ExchangeBuilder.anExchange(camelContext)

+                .withBody(getCdsPayloadForWorkFlow(blueprintName, blueprintVersion, workflow))

+                .build();

+

+        Exchange exchangeResponse = camelContext.createProducerTemplate()

+                .send("direct:get-blueprint-workflow-input-properties", myCamelExchange);

+

+        if (Integer.valueOf(200).equals(exchangeResponse.getIn().getHeader("CamelHttpResponseCode"))) {

+            String cdsResponse = (String) exchangeResponse.getIn().getBody();

+            logger.info("getWorkflowInputProperties, response from CDS:" + cdsResponse);

+            LoggingUtils.setResponseContext("0", "Get Blueprint workflow input properties", this.getClass().getName());

+            Date startTime = new Date();

+            LoggingUtils.setTimeContext(startTime, new Date());

+            return parseCdsResponse(cdsResponse);

+        }

+        return null;

+    }

+

+    private JsonObject parseCdsResponse(String response) {

+        JsonObject root = JsonParser.parseString(response).getAsJsonObject();

+        JsonObject inputs = root.getAsJsonObject("workFlowData").getAsJsonObject("inputs");

+        JsonObject dataTypes = root.getAsJsonObject("dataTypes");

+

+        JsonObject workFlowProperties = new JsonObject();

+        workFlowProperties.add("inputs", getInputProperties(inputs, dataTypes));

+        return workFlowProperties;

+    }

+

+    private JsonObject getInputProperties(JsonObject inputs, JsonObject dataTypes) {

+        JsonObject inputObject = new JsonObject();

+        for (Map.Entry<String, JsonElement> entry : inputs.entrySet()) {

+            String key = entry.getKey();

+            JsonObject inputProperty = inputs.getAsJsonObject(key);

+            String type = inputProperty.get("type").getAsString();

+            if (isComplexType(type, dataTypes)) {

+                inputObject.add(key, handleComplexType(type, dataTypes));

+            } else {

+                inputObject.addProperty(key, "");

+            }

+        }

+        return inputObject;

+    }

+

+    private JsonObject handleComplexType(String key, JsonObject dataTypes) {

+        JsonObject properties = dataTypes.get(key).getAsJsonObject().get("properties").getAsJsonObject();

+        return getInputProperties(properties, dataTypes);

+    }

+

+    private boolean isComplexType(String type, JsonObject dataTypes) {

+        return dataTypes.get(type) != null;

+    }

+

+    /**

+     * Creates payload to query CDS to get workflow input properties.

+     *

+     * @param blueprintName CDS blueprint name

+     * @param version       CDS blueprint version

+     * @param workflow      CDS blueprint workflow

+     * @return returns payload in json format

+     */

+    public String getCdsPayloadForWorkFlow(String blueprintName, String version, String workflow) {

+        JsonObject jsonObject = new JsonObject();

+        jsonObject.addProperty("blueprintName", blueprintName);

+        jsonObject.addProperty("version", version);

+        jsonObject.addProperty("returnContent", "json");

+        jsonObject.addProperty("workflowName", workflow);

+        jsonObject.addProperty("specType", "TOSCA");

+        return jsonObject.toString();

+    }

+}

diff --git a/src/main/java/org/onap/clamp/clds/model/cds/CdsBpWorkFlowListResponse.java b/src/main/java/org/onap/clamp/clds/model/cds/CdsBpWorkFlowListResponse.java
new file mode 100644
index 000000000..66025c479
--- /dev/null
+++ b/src/main/java/org/onap/clamp/clds/model/cds/CdsBpWorkFlowListResponse.java
@@ -0,0 +1,67 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2020 Huawei Technologies Co., Ltd.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ * ================================================================================
+ *
+ */
+
+package org.onap.clamp.clds.model.cds;
+
+import com.google.gson.annotations.Expose;
+
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * This class maps the CDS response to a pojo.
+ */
+public class CdsBpWorkFlowListResponse {
+
+    @Expose
+    private String blueprintName;
+
+    @Expose
+    private String version;
+
+    @Expose
+    private List<String> workflows = new LinkedList<String>();
+
+    public String getBlueprintName() {
+        return blueprintName;
+    }
+
+    public void setBlueprintName(String blueprintName) {
+        this.blueprintName = blueprintName;
+    }
+
+    public String getVersion() {
+        return version;
+    }
+
+    public void setVersion(String version) {
+        this.version = version;
+    }
+
+    public List<String> getWorkflows() {
+        return workflows;
+    }
+
+    public void setWorkflows(List<String> workflows) {
+        this.workflows = workflows;
+    }
+}
diff --git a/src/main/java/org/onap/clamp/loop/service/CsarServiceInstaller.java b/src/main/java/org/onap/clamp/loop/service/CsarServiceInstaller.java
index 277fe004a..889125fee 100644
--- a/src/main/java/org/onap/clamp/loop/service/CsarServiceInstaller.java
+++ b/src/main/java/org/onap/clamp/loop/service/CsarServiceInstaller.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2020 AT&T Intellectual Property. All rights
  *                             reserved.
+ * Modifications Copyright (C) 2020 Huawei Technologies Co., Ltd.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,7 +30,9 @@ import com.google.gson.JsonObject;
 
 import java.util.Map.Entry;
 
+import org.onap.clamp.clds.client.CdsServices;
 import org.onap.clamp.clds.exception.sdc.controller.SdcArtifactInstallerException;
+import org.onap.clamp.clds.model.cds.CdsBpWorkFlowListResponse;
 import org.onap.clamp.clds.sdc.controller.installer.CsarHandler;
 import org.onap.clamp.clds.util.JsonUtils;
 import org.onap.sdc.tosca.parser.api.IEntityDetails;
@@ -53,9 +56,12 @@ public class CsarServiceInstaller {
     @Autowired
     ServiceRepository serviceRepository;
 
+    @Autowired
+    CdsServices cdsServices;
+
     /**
      * Install the Service from the csar.
-     * 
+     *
      * @param csar The Csar Handler
      * @return The service object
      */
@@ -77,7 +83,7 @@ public class CsarServiceInstaller {
         return modelService;
     }
 
-    private static JsonObject createServicePropertiesByType(CsarHandler csar) {
+    private JsonObject createServicePropertiesByType(CsarHandler csar) {
         JsonObject resourcesProp = new JsonObject();
         // Iterate on all types defined in the tosca lib
         for (SdcTypes type : SdcTypes.values()) {
@@ -86,6 +92,13 @@ public class CsarServiceInstaller {
             for (NodeTemplate nodeTemplate : csar.getSdcCsarHelper().getServiceNodeTemplateBySdcType(type)) {
                 resourcesPropByType.add(nodeTemplate.getName(),
                         JsonUtils.GSON.toJsonTree(nodeTemplate.getMetaData().getAllProperties()));
+                // get cds artifact information and save in resources Prop
+                if (SdcTypes.PNF == type || SdcTypes.VF == type) {
+                    JsonObject controllerProperties = createCdsArtifactProperties(nodeTemplate);
+                    if (controllerProperties != null) {
+                        resourcesPropByType.getAsJsonObject(nodeTemplate.getName()).add("controllerProperties", controllerProperties);
+                    }
+                }
             }
             resourcesProp.add(type.getValue(), resourcesPropByType);
         }
@@ -114,7 +127,7 @@ public class CsarServiceInstaller {
 
     /**
      * Verify whether Service in Csar is deployed.
-     * 
+     *
      * @param csar The Csar Handler
      * @return The flag indicating whether Service is deployed
      * @throws SdcArtifactInstallerException The SdcArtifactInstallerException
@@ -127,4 +140,43 @@ public class CsarServiceInstaller {
 
         return alreadyInstalled;
     }
+
+    /**
+     * Retrive CDS artifacts information from node template and save in resource object.
+     *
+     * @param nodeTemplate node template
+     * @return Returns CDS artifacts information
+     */
+    private JsonObject createCdsArtifactProperties(NodeTemplate nodeTemplate) {
+        Object artifactName = nodeTemplate.getPropertyValue("sdnc_model_name");
+        Object artifactVersion = nodeTemplate.getPropertyValue("sdnc_model_version");
+        if (artifactName != null && artifactVersion != null) {
+            CdsBpWorkFlowListResponse response = queryCdsToGetWorkFlowList(artifactName.toString(), artifactVersion.toString());
+            if (response == null) {
+                return null;
+            }
+
+            JsonObject workFlowProps = new JsonObject();
+            for (String workFlow : response.getWorkflows()) {
+                JsonObject inputs = queryCdsToGetWorkFlowInputProperties(response.getBlueprintName(),
+                                                                         response.getVersion(), workFlow);
+                workFlowProps.add(workFlow, inputs);
+            }
+
+            JsonObject controllerProperties = new JsonObject();
+            controllerProperties.addProperty("sdnc_model_name", artifactName.toString());
+            controllerProperties.addProperty("sdnc_model_version", artifactVersion.toString());
+            controllerProperties.add("workflows", workFlowProps);
+            return controllerProperties;
+        }
+        return null;
+    }
+
+    private CdsBpWorkFlowListResponse queryCdsToGetWorkFlowList(String artifactName, String artifactVersion) {
+        return cdsServices.getBlueprintWorkflowList(artifactName, artifactVersion);
+    }
+
+    private JsonObject queryCdsToGetWorkFlowInputProperties(String artifactName, String artifactVersion, String workFlow) {
+        return cdsServices.getWorkflowInputProperties(artifactName, artifactVersion, workFlow);
+    }
 }
diff --git a/src/main/java/org/onap/clamp/policy/operational/LegacyOperationalPolicy.java b/src/main/java/org/onap/clamp/policy/operational/LegacyOperationalPolicy.java
index ff7777f7f..033f2cebb 100644
--- a/src/main/java/org/onap/clamp/policy/operational/LegacyOperationalPolicy.java
+++ b/src/main/java/org/onap/clamp/policy/operational/LegacyOperationalPolicy.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights
  *                             reserved.
+ * Modifications Copyright (C) 2020 Huawei Technologies Co., Ltd.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -46,6 +47,11 @@ import org.yaml.snakeyaml.Yaml;
  */
 public class LegacyOperationalPolicy {
 
+    private static final String ACTOR = "actor";
+    private static final String RECIPE = "recipe";
+    private static final String POLICIES = "policies";
+    private static final String PAYLOAD = "payload";
+
     private LegacyOperationalPolicy() {
 
     }
@@ -79,7 +85,7 @@ public class LegacyOperationalPolicy {
     /**
      * This method rework the payload attribute (yaml) that is normally wrapped in a
      * string when coming from the UI.
-     * 
+     *
      * @param policyJson The operational policy json config
      * @return The same object reference but modified
      */
@@ -150,7 +156,7 @@ public class LegacyOperationalPolicy {
 
     /**
      * This method transforms the configuration json to a Yaml format.
-     * 
+     *
      * @param operationalPolicyJsonElement The operational policy json config
      * @return The Yaml as string
      */
@@ -162,13 +168,13 @@ public class LegacyOperationalPolicy {
         // Policy can't support { } in the yaml
         options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
         return (new Yaml(options)).dump(createMap(fulfillPoliciesTreeField(
-                removeAllQuotes(reworkPayloadAttributes(operationalPolicyJsonElement.getAsJsonObject().deepCopy())))));
+                removeAllQuotes(reworkActorAttributes(operationalPolicyJsonElement.getAsJsonObject().deepCopy())))));
     }
 
     /**
      * This method load mandatory field in the operational policy configuration
      * JSON.
-     * 
+     *
      * @param configurationsJson The operational policy JSON
      * @param loop               The parent loop object
      */
@@ -182,4 +188,45 @@ public class LegacyOperationalPolicy {
             configurationsJson.add("operational_policy", controlLoop);
         }
     }
+
+    /**
+     * This method rework on the actor/recipe and payload attribute.
+     *
+     * @param policyJson The operational policy json config
+     * @return The same object reference but modified
+     */
+    public static JsonElement reworkActorAttributes(JsonElement policyJson) {
+        for (JsonElement policy : policyJson.getAsJsonObject().get(POLICIES).getAsJsonArray()) {
+            JsonObject actor = policy.getAsJsonObject().get(ACTOR).getAsJsonObject();
+            policy.getAsJsonObject().remove(ACTOR);
+            String actorStr = actor.getAsJsonObject().get(ACTOR).getAsString();
+            policy.getAsJsonObject().addProperty(ACTOR, actorStr);
+            policy.getAsJsonObject().addProperty(RECIPE, getRecipe(actor));
+
+            if ("CDS".equalsIgnoreCase(actorStr)) {
+                addPayloadAttributes(actor.getAsJsonObject(ACTOR).getAsJsonObject(RECIPE), policy);
+            } else {
+                addPayloadAttributes(actor, policy);
+            }
+        }
+        return policyJson;
+    }
+
+    private static void addPayloadAttributes(JsonObject jsonObject,
+                                             JsonElement policy) {
+        JsonElement payloadElem = jsonObject.getAsJsonObject().get(PAYLOAD);
+        String payloadString = payloadElem != null ? payloadElem.getAsString() : "";
+        if (!payloadString.isEmpty()) {
+            Map<String, String> testMap = new Yaml().load(payloadString);
+            String json = new GsonBuilder().create().toJson(testMap);
+            policy.getAsJsonObject().add(PAYLOAD,
+                                         new GsonBuilder().create().fromJson(json, JsonElement.class));
+        } else {
+            policy.getAsJsonObject().addProperty(PAYLOAD, "");
+        }
+    }
+
+    private static String getRecipe(JsonObject actor) {
+        return actor.getAsJsonObject().get("type").getAsString();
+    }
 }
diff --git a/src/main/java/org/onap/clamp/policy/operational/OperationalPolicy.java b/src/main/java/org/onap/clamp/policy/operational/OperationalPolicy.java
index aab30bfb6..7cf06dcfc 100644
--- a/src/main/java/org/onap/clamp/policy/operational/OperationalPolicy.java
+++ b/src/main/java/org/onap/clamp/policy/operational/OperationalPolicy.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights
  *                             reserved.
+ * Modifications Copyright (C) 2020 Huawei Technologies Co., Ltd.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -222,7 +223,7 @@ public class OperationalPolicy extends Policy implements Serializable {
         metadata.addProperty("policy-id", this.name);
 
         operationalPolicyDetails.add("properties", LegacyOperationalPolicy
-                .reworkPayloadAttributes(this.getConfigurationsJson().get("operational_policy").deepCopy()));
+                .reworkActorAttributes(this.getConfigurationsJson().get("operational_policy").deepCopy()));
 
         DumperOptions options = new DumperOptions();
         options.setIndent(2);
diff --git a/src/main/java/org/onap/clamp/policy/operational/OperationalPolicyRepresentationBuilder.java b/src/main/java/org/onap/clamp/policy/operational/OperationalPolicyRepresentationBuilder.java
index 1d0d99080..244f4c27a 100644
--- a/src/main/java/org/onap/clamp/policy/operational/OperationalPolicyRepresentationBuilder.java
+++ b/src/main/java/org/onap/clamp/policy/operational/OperationalPolicyRepresentationBuilder.java
@@ -4,6 +4,7 @@
  * ================================================================================
  * Copyright (C) 2019 AT&T Intellectual Property. All rights
  *                             reserved.
+ * Modifications Copyright (C) 2020 Huawei Technologies Co., Ltd.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -42,7 +43,7 @@ public class OperationalPolicyRepresentationBuilder {
      * used by ui for rendering. It uses the model (VF and VFModule) defined in the
      * loop object to do so, so it's dynamic. It also uses the operational policy
      * schema template defined in the resource folder.
-     * 
+     *
      * @param modelJson The loop model json
      * @return The json representation
      * @throws JsonSyntaxException If the schema template cannot be parsed
@@ -58,6 +59,22 @@ public class OperationalPolicyRepresentationBuilder {
                 .get("operational_policy").getAsJsonObject().get("properties").getAsJsonObject().get("policies")
                 .getAsJsonObject().get("items").getAsJsonObject().get("properties").getAsJsonObject().get("target")
                 .getAsJsonObject().get("anyOf").getAsJsonArray().addAll(createAnyOfArray(modelJson));
+
+        // update CDS recipe and payload information to schema
+        JsonArray actors = jsonSchema.get("schema").getAsJsonObject().get("items").getAsJsonObject().get("properties")
+                .getAsJsonObject().get("configurationsJson").getAsJsonObject().get("properties").getAsJsonObject()
+                .get("operational_policy").getAsJsonObject().get("properties").getAsJsonObject().get("policies")
+                .getAsJsonObject().get("items").getAsJsonObject().get("properties").getAsJsonObject().get("actor")
+                .getAsJsonObject().get("anyOf").getAsJsonArray();
+
+        for (JsonElement actor : actors) {
+            if ("CDS".equalsIgnoreCase(actor.getAsJsonObject().get("title").getAsString())) {
+                actor.getAsJsonObject().get("properties").getAsJsonObject().get("type").getAsJsonObject()
+                        .get("anyOf").getAsJsonArray()
+                        .addAll(createAnyOfArrayForCdsRecipe(modelJson.getResourceDetails()));
+            }
+        }
+
         return jsonSchema;
     }
 
@@ -143,4 +160,54 @@ public class OperationalPolicyRepresentationBuilder {
         targetOneOfStructure.addAll(createVfModuleSchema(modelJson));
         return targetOneOfStructure;
     }
+
+    private static JsonArray createAnyOfArrayForCdsRecipe(JsonObject resourceDetails) {
+        JsonArray anyOfStructure = new JsonArray();
+        anyOfStructure.addAll(createAnyOfCdsRecipe(resourceDetails.getAsJsonObject("VF")));
+        anyOfStructure.addAll(createAnyOfCdsRecipe(resourceDetails.getAsJsonObject("PNF")));
+        return anyOfStructure;
+    }
+
+    private static JsonArray createAnyOfCdsRecipe(JsonObject jsonObject) {
+        JsonArray schemaArray = new JsonArray();
+        for (Entry<String, JsonElement> entry : jsonObject.entrySet()) {
+            JsonObject controllerProperties = entry.getValue().getAsJsonObject()
+                    .getAsJsonObject("controllerProperties");
+
+            if (controllerProperties != null) {
+                JsonObject workflows = controllerProperties.getAsJsonObject("workflows");
+                for (Entry<String, JsonElement> workflowsEntry : workflows.entrySet()) {
+                    JsonObject obj = new JsonObject();
+                    obj.addProperty("title", workflowsEntry.getKey());
+                    obj.add("properties", createPayloadProperty(workflowsEntry.getValue().getAsJsonObject(),
+                                                                controllerProperties));
+                    schemaArray.add(obj);
+                }
+
+            }
+        }
+        return schemaArray;
+    }
+
+    private static JsonObject createPayloadProperty(JsonObject workFlow, JsonObject controllerProperties) {
+        JsonObject type = new JsonObject();
+        type.addProperty("title", "Payload (YAML)");
+        type.addProperty("type", "string");
+        type.addProperty("default", createDefaultStringForPayload(workFlow, controllerProperties));
+        type.addProperty("format", "textarea");
+        JsonObject properties = new JsonObject();
+        properties.add("type", type);
+        return properties;
+    }
+
+    private static String createDefaultStringForPayload(JsonObject workFlow, JsonObject controllerProperties) {
+        String artifactName = controllerProperties.get("sdnc_model_name").toString();
+        String artifactVersion = controllerProperties.get("sdnc_model_version").toString();
+        String data = workFlow.getAsJsonObject("inputs").toString();
+        StringBuilder builder = new StringBuilder("'").append("artifact_name : ").append(artifactName).append("\n")
+                .append("artifact_version : ").append(artifactVersion).append("\n")
+                .append("mode : async").append("\n")
+                .append("data : ").append("'").append("\\").append("'").append(data).append("\\").append("'").append("'");
+        return builder.toString();
+    }
 }