Imlpement RAN NSSMF Modify Workflow

Issue-ID: SO-3228
Signed-off-by: Reshmasree <reshmasree.chamarthi2@wipro.com>
Change-Id: I49b99cfb0afbdd34a83ef81dac6a62301e79e4fd

2 files changed, 849 insertions, 0 deletions

diff --git a/bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/DoModifyAccessNSSI.groovy b/bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/DoModifyAccessNSSI.groovy
new file mode 100644
index 0000000000..2e7e728b44
--- /dev/null
+++ b/bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/DoModifyAccessNSSI.groovy
@@ -0,0 +1,656 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ # Copyright (c) 2020, Wipro Limited.
+ #
+ # 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.so.bpmn.infrastructure.scripts
+
+import org.camunda.bpm.engine.delegate.BpmnError
+import org.camunda.bpm.engine.delegate.DelegateExecution
+import org.onap.so.bpmn.common.scripts.AbstractServiceTaskProcessor
+import org.onap.so.bpmn.common.scripts.ExceptionUtil
+import org.onap.so.bpmn.common.scripts.NssmfAdapterUtils
+import org.onap.so.bpmn.common.scripts.OofUtils
+import org.onap.so.bpmn.common.scripts.RequestDBUtil
+import org.onap.so.bpmn.core.json.JsonUtils
+import org.onap.so.db.request.beans.ResourceOperationStatus
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+import java.sql.Timestamp
+import java.util.List
+import static org.apache.commons.lang3.StringUtils.isBlank
+import com.google.gson.JsonObject
+import com.fasterxml.jackson.databind.ObjectMapper
+import com.google.gson.JsonArray
+import org.onap.so.beans.nsmf.AllocateTnNssi
+import org.onap.so.beans.nsmf.EsrInfo
+import org.onap.so.bpmn.core.UrnPropertiesReader
+import org.onap.so.bpmn.core.domain.ServiceDecomposition
+import org.onap.so.bpmn.core.domain.ServiceProxy
+
+import org.onap.aai.domain.yang.Relationship
+import org.onap.aai.domain.yang.ServiceInstance
+import org.onap.aai.domain.yang.SliceProfile
+import org.onap.aaiclient.client.aai.AAIObjectType
+import org.onap.aaiclient.client.aai.AAIResourcesClient
+import org.onap.aaiclient.client.aai.entities.AAIResultWrapper
+import org.onap.aaiclient.client.aai.entities.uri.AAIResourceUri
+import org.onap.aaiclient.client.aai.entities.uri.AAIUriFactory
+import javax.ws.rs.NotFoundException
+
+class DoModifyAccessNSSI extends AbstractServiceTaskProcessor {
+
+	String Prefix="MASS_"
+	ExceptionUtil exceptionUtil = new ExceptionUtil()
+	RequestDBUtil requestDBUtil = new RequestDBUtil()
+	JsonUtils jsonUtil = new JsonUtils()
+	OofUtils oofUtils = new OofUtils()
+	ObjectMapper objectMapper = new ObjectMapper();
+	AnNssmfUtils anNssmfUtils = new AnNssmfUtils()
+	private NssmfAdapterUtils nssmfAdapterUtils = new NssmfAdapterUtils(httpClientFactory, jsonUtil)
+
+	private static final Logger logger = LoggerFactory.getLogger(DoModifyAccessNSSI.class)
+
+	@Override
+	void preProcessRequest(DelegateExecution execution) {
+		logger.debug(Prefix + "preProcessRequest Start")
+		execution.setVariable("prefix", Prefix)
+		execution.setVariable("startTime", System.currentTimeMillis())
+		def msg
+		try {
+
+			logger.debug("input variables : msoRequestId - "+execution.getVariable("msoRequestId")+
+					" globalSubscriberId - "+execution.getVariable("globalSubscriberId")+
+					" serviceInstanceID - "+execution.getVariable("serviceInstanceID")+
+					" nsiId - "+execution.getVariable("nsiId")+
+					" networkType - "+execution.getVariable("networkType")+
+					" subscriptionServiceType - "+execution.getVariable("subscriptionServiceType")+
+					" jobId - "+execution.getVariable("jobId")+
+					" sliceParams - "+execution.getVariable("sliceParams")+
+					" servicename - "+ execution.getVariable("servicename"))
+
+			//validate slice subnet inputs
+
+			String sliceParams = execution.getVariable("sliceParams")
+			String modifyAction = jsonUtil.getJsonValue(sliceParams, "modifyAction")
+			if (isBlank(modifyAction)) {
+				msg = "Input modifyAction is null"
+				logger.debug(msg)
+				exceptionUtil.buildAndThrowWorkflowException(execution, 500, msg)
+			} else {
+				execution.setVariable("modifyAction", modifyAction)
+				switch(modifyAction) {
+					case "allocate":
+						execution.setVariable("isModifyallocate", true)
+						break
+					case "deallocate":
+						execution.setVariable("isModifydeallocate", true)
+						break
+					case "reconfigure":
+						execution.setVariable("isModifyreconfigure", true)
+						String resourceConfig = jsonUtil.getJsonValue(sliceParams, "resourceConfig")
+						execution.setVariable("additionalProperties", resourceConfig)
+						break
+					default:
+						logger.debug("Invalid modify Action")
+						exceptionUtil.buildAndThrowWorkflowException(execution, 500, "Invalid modify Action : "+modifyAction)
+				}
+			}
+			List<String> snssaiList = jsonUtil.StringArrayToList(jsonUtil.getJsonValue(sliceParams, "snssaiList"))
+			String sliceProfileId = jsonUtil.getJsonValue(sliceParams, "sliceProfileId")
+			if (isBlank(sliceProfileId) || (snssaiList.empty)) {
+				msg = "Mandatory fields are empty"
+				logger.debug(msg)
+				exceptionUtil.buildAndThrowWorkflowException(execution, 500, msg)
+			} else {
+				execution.setVariable("sliceProfileId", sliceProfileId)
+				execution.setVariable("snssaiList", snssaiList)
+			}
+			String nsiName = jsonUtil.getJsonValue(sliceParams, "nsiInfo.nsiName")
+			String scriptName = jsonUtil.getJsonValue(sliceParams, "scriptName")
+			execution.setVariable("nsiName", nsiName)
+			execution.setVariable("scriptName", scriptName)
+			execution.setVariable("job_timeout", 10)
+			execution.setVariable("ranNssiPreferReuse", false)
+		} catch(BpmnError e) {
+			throw e
+		} catch(Exception ex) {
+			msg = "Exception in DoModifyAccessNSSI.preProcessRequest " + ex.getMessage()
+			logger.debug(msg)
+			exceptionUtil.buildAndThrowWorkflowException(execution, 7000, msg)
+		}
+		logger.debug(Prefix + "preProcessRequest Exit")
+	}
+	
+	def getSliceProfile = { DelegateExecution execution ->
+		logger.debug(Prefix + "getSliceProfiles Start")
+		String instanceId = execution.getVariable("sliceProfileId")
+		ServiceInstance sliceProfileInstance = getServiceInstance(execution, instanceId)
+		SliceProfile ranSliceProfile = sliceProfileInstance.getSliceProfiles().getSliceProfile().get(0)
+		logger.debug("RAN slice profile : "+ranSliceProfile.toString())
+		execution.setVariable("RANSliceProfile", ranSliceProfile)
+		execution.setVariable("ranSliceProfileInstance", sliceProfileInstance)
+	}
+	
+	/*
+	 * Function to subnet capabilities from nssmf adapter
+	 */
+	def getSubnetCapabilities = { DelegateExecution execution ->
+		logger.debug(Prefix+"getSubnetCapabilities method start")
+
+		String tnNssmfRequest = anNssmfUtils.buildCreateTNNSSMFSubnetCapabilityRequest()
+
+		String urlString = "/api/rest/provMns/v1/NSS/subnetCapabilityQuery"
+
+		String tnNssmfResponse = nssmfAdapterUtils.sendPostRequestNSSMF(execution, urlString, tnNssmfRequest)
+
+		if (tnNssmfResponse != null) {
+			String FHCapabilities= jsonUtil.getJsonValue(tnNssmfResponse, "TN_FH")
+			String MHCapabilities = jsonUtil.getJsonValue(tnNssmfResponse, "TN_MH")
+			execution.setVariable("FHCapabilities",FHCapabilities)
+			execution.setVariable("MHCapabilities",MHCapabilities)
+
+		} else {
+			logger.error("received error message from NSSMF : "+ tnNssmfResponse)
+			exceptionUtil.buildAndThrowWorkflowException(execution, 7000,"Received a Bad Sync Response from NSSMF.")
+		}
+		String anNssmfRequest = anNssmfUtils.buildCreateANNFNSSMFSubnetCapabilityRequest()
+
+		String anNssmfResponse = nssmfAdapterUtils.sendPostRequestNSSMF(execution, urlString, anNssmfRequest)
+
+		if (anNssmfResponse != null) {
+			String ANNFCapabilities = jsonUtil.getJsonValue(anNssmfResponse, "AN_NF")
+			execution.setVariable("ANNFCapabilities",ANNFCapabilities)
+
+		} else {
+			logger.error("received error message from NSSMF : "+ anNssmfResponse)
+			exceptionUtil.buildAndThrowWorkflowException(execution, 7000,"Received a Bad Sync Response from NSSMF.")
+		}
+	}
+
+	
+	/*
+	 * prepare OOF request for RAN NSSI selection
+	 */
+	def prepareOofRequestForRanNSS = { DelegateExecution execution ->
+		logger.debug(Prefix+"prepareOofRequestForRanNSS method start")
+
+		String urlString = UrnPropertiesReader.getVariable("mso.oof.endpoint", execution)
+		logger.debug( "get NSSI option OOF Url: " + urlString)
+
+		//build oof request body
+		boolean ranNssiPreferReuse = execution.getVariable("ranNssiPreferReuse");
+		String requestId = execution.getVariable("msoRequestId")
+		String messageType = "NSISelectionResponse"
+		Map<String, Object> profileInfo = objectMapper.readValue(execution.getVariable("RANSliceProfile"), Map.class)
+		ServiceInstance ranSliceProfileInstance = objectMapper.readValue(execution.getVariable("ranSliceProfileInstance"), ServiceInstance.class)
+		String modelUuid = ranSliceProfileInstance.getModelVersionId()
+		String modelInvariantUuid = ranSliceProfileInstance.getModelInvariantId()
+		String modelName = execution.getVariable("servicename")
+		String timeout = UrnPropertiesReader.getVariable("mso.adapters.oof.timeout", execution);
+		List<String> nsstInfoList =  new ArrayList<>()
+		JsonArray capabilitiesList = new JsonArray()
+		String FHCapabilities = execution.getVariable("FHCapabilities")
+		String MHCapabilities = execution.getVariable("MHCapabilities")
+		String ANNFCapabilities = execution.getVariable("ANNFCapabilities")
+		JsonObject FH = new JsonObject()
+		JsonObject MH = new JsonObject()
+		JsonObject ANNF = new JsonObject()
+		FH.addProperty("domainType", "TN_FH")
+		FH.addProperty("capabilityDetails", FHCapabilities)
+		MH.addProperty("domainType", "TN_MH")
+		MH.addProperty("capabilityDetails", MHCapabilities)
+		ANNF.addProperty("domainType", "AN_NF")
+		ANNF.addProperty("capabilityDetails", FHCapabilities)
+		capabilitiesList.add(FH)
+		capabilitiesList.add(MH)
+		capabilitiesList.add(ANNF)
+
+		execution.setVariable("nssiSelection_Url", "/api/oof/selection/nsi/v1")
+		execution.setVariable("nssiSelection_messageType",messageType)
+		execution.setVariable("nssiSelection_correlator",requestId)
+		execution.setVariable("nssiSelection_timeout",timeout)
+		String oofRequest = anNssmfUtils.buildSelectRANNSSIRequest(requestId, messageType, modelUuid,modelInvariantUuid,
+				modelName, profileInfo, nsstInfoList, capabilitiesList, ranNssiPreferReuse)
+
+		execution.setVariable("nssiSelection_oofRequest",oofRequest)
+		logger.debug("Sending request to OOF: " + oofRequest)
+	}
+	
+	/*
+	 * process OOF response for RAN NSSI selection
+	 */
+	def processOofResponseForRanNSS = { DelegateExecution execution ->
+		logger.debug(Prefix+"processOofResponseForRanNSS method start")
+		String oofResponse = execution.getVariable("nssiSelection_asyncCallbackResponse")
+		String requestStatus = jsonUtil.getJsonValue(oofResponse, "requestStatus")
+		if(requestStatus.equals("completed")) {
+			List<String> solution = jsonUtil.StringArrayToList(jsonUtil.getJsonValue(oofResponse, "solutions"))
+			boolean existingNSI = jsonUtil.getJsonValue(solution.get(0), "existingNSI")
+			if(!existingNSI) {
+				def sliceProfiles = jsonUtil.getJsonValue(solution.get(0), "newNSISolution.sliceProfiles")
+				execution.setVariable("RanConstituentSliceProfiles", sliceProfiles)
+				List<String> ranConstituentSliceProfiles = jsonUtil.StringArrayToList(sliceProfiles)
+				anNssmfUtils.createDomainWiseSliceProfiles(ranConstituentSliceProfiles, execution)
+				logger.debug("RanConstituentSliceProfiles list from OOF "+sliceProfiles)
+			}else {
+				String statusMessage = jsonUtil.getJsonValue(oofResponse, "statusMessage")
+				logger.error("failed to get slice profiles from oof "+ statusMessage)
+				exceptionUtil.buildAndThrowWorkflowException(execution, 7000,"failed to get slice profiles from oof "+statusMessage)
+			}
+		}else {
+			String statusMessage = jsonUtil.getJsonValue(oofResponse, "statusMessage")
+			logger.error("received failed status from oof "+ statusMessage)
+			exceptionUtil.buildAndThrowWorkflowException(execution, 7000,"Received a failed Async Response from OOF : "+statusMessage)
+		}
+
+	}
+	def getNssisFromAai = { DelegateExecution execution ->
+		logger.debug(Prefix+"getNssisFromAai method start")
+		String instanceId = execution.getVariable("serviceInstanceID")
+		String role = "nssi"
+		Map<String,ServiceInstance> ranConstituentNssis = getRelatedInstancesByRole(execution, role, instanceId)
+		logger.debug("getNssisFromAai ranConstituentNssis : "+ranConstituentNssis.toString())
+		ranConstituentNssis.each { key, val -> 
+			switch(key) {
+				case "AN-NF":
+					execution.setVariable("ANNF_NSSI", val.getServiceInstanceId())
+					execution.setVariable("ANNF_nssiName", val.getServiceInstanceName())
+					break
+				case "TN-FH":
+					execution.setVariable("TNFH_NSSI", val.getServiceInstanceId())
+					execution.setVariable("TNFH_nssiName", val.getServiceInstanceName())
+					break
+				case "TN-MH":
+					execution.setVariable("TNMH_NSSI", val.getServiceInstanceId())
+					execution.setVariable("TNMH_nssiName", val.getServiceInstanceName())
+					break
+				default:
+					logger.error("No expected match found for current domainType "+ key)
+					exceptionUtil.buildAndThrowWorkflowException(execution, 1000,"No expected match found for current domainType "+ key)
+			}
+		}
+		
+	}
+	def createSliceProfiles = { DelegateExecution execution ->
+		logger.debug(Prefix+"createSliceProfiles method start")
+		anNssmfUtils.createSliceProfilesInAai(execution)
+	}
+	def updateRelationshipInAai = { DelegateExecution execution ->
+		logger.debug(Prefix+"updateRelationshipInAai method start")
+		String msg = ""
+		try {
+			def ANNF_serviceInstanceId = execution.getVariable("ANNF_NSSI")
+			def TNFH_serviceInstanceId = execution.getVariable("TNFH_NSSI")
+			def TNMH_serviceInstanceId = execution.getVariable("TNMH_NSSI")
+			def AN_profileInstanceId = execution.getVariable("sliceProfileId")
+			def ANNF_profileInstanceId = execution.getVariable("ANNF_sliceProfileInstanceId")
+			def TNFH_profileInstanceId = execution.getVariable("TNFH_sliceProfileInstanceId")
+			def TNMH_profileInstanceId = execution.getVariable("TNMH_sliceProfileInstanceId")
+			String globalSubscriberId = execution.getVariable("globalSubscriberId")
+			String subscriptionServiceType = execution.getVariable("subscriptionServiceType")
+
+			Relationship ANNF_relationship = new Relationship()
+			Relationship TNFH_relationship = new Relationship()
+			Relationship TNMH_relationship = new Relationship()
+			
+			String ANNF_relatedLink = "aai/v16/business/customers/customer/${globalSubscriberId}/service-subscriptions/service-subscription/${subscriptionServiceType}/service-instances/service-instance/${ANNF_profileInstanceId}"
+			String TNFH_relatedLink = "aai/v16/business/customers/customer/${globalSubscriberId}/service-subscriptions/service-subscription/${subscriptionServiceType}/service-instances/service-instance/${TNFH_profileInstanceId}"
+			String TNMH_relatedLink = "aai/v16/business/customers/customer/${globalSubscriberId}/service-subscriptions/service-subscription/${subscriptionServiceType}/service-instances/service-instance/${TNMH_profileInstanceId}"
+			
+			ANNF_relationship.setRelatedLink(ANNF_relatedLink)
+			ANNF_relationship.setRelatedTo("service-instance")
+			ANNF_relationship.setRelationshipLabel("org.onap.relationships.inventory.ComposedOf")
+			TNFH_relationship.setRelatedLink(TNFH_relatedLink)
+			TNFH_relationship.setRelatedTo("service-instance")
+			TNFH_relationship.setRelationshipLabel("org.onap.relationships.inventory.ComposedOf")
+			TNMH_relationship.setRelatedLink(TNMH_relatedLink)
+			TNMH_relationship.setRelatedTo("service-instance")
+			TNMH_relationship.setRelationshipLabel("org.onap.relationships.inventory.ComposedOf")
+			
+			// create SliceProfile and NSSI relationship in AAI
+			anNssmfUtils.createRelationShipInAAI(execution, ANNF_relationship,ANNF_serviceInstanceId)
+			anNssmfUtils.createRelationShipInAAI(execution, TNFH_relationship,TNFH_serviceInstanceId)
+			anNssmfUtils.createRelationShipInAAI(execution, TNMH_relationship,TNMH_serviceInstanceId)
+			anNssmfUtils.createRelationShipInAAI(execution, ANNF_relationship,AN_profileInstanceId)
+			anNssmfUtils.createRelationShipInAAI(execution, TNFH_relationship,AN_profileInstanceId)
+			anNssmfUtils.createRelationShipInAAI(execution, TNMH_relationship,AN_profileInstanceId)
+
+		} catch (BpmnError e) {
+			throw e
+		} catch (Exception ex) {
+
+			msg = "Exception in DoCreateE2EServiceInstance.createCustomRelationship. " + ex.getMessage()
+			logger.info(msg)
+			exceptionUtil.buildAndThrowWorkflowException(execution, 7000, msg)
+		}
+	}
+	
+	def processRanNfModifyRsp = { DelegateExecution execution ->
+		logger.debug(Prefix+"processRanNfModifyRsp method start")
+		anNssmfUtils.processRanNfModifyRsp(execution)
+	}
+	
+	def prepareTnFhRequest = { DelegateExecution execution ->
+		logger.debug(Prefix+"prepareTnFhRequest method start")
+
+		String nssmfRequest = anNssmfUtils.buildCreateNSSMFRequest(execution, "TN_FH", "modify-allocate")
+		String urlString = "/api/rest/provMns/v1/NSS/SliceProfiles"
+		String nssmfResponse = nssmfAdapterUtils.sendPostRequestNSSMF(execution, urlString, nssmfRequest)
+
+		if (nssmfResponse != null) {
+			execution.setVariable("nssmfResponse", nssmfResponse)
+			String jobId = jsonUtil.getJsonValue(nssmfResponse, "jobId")
+			execution.setVariable("TNFH_jobId",jobId)
+		} else {
+			logger.error("received error message from NSSMF : "+ nssmfResponse)
+			exceptionUtil.buildAndThrowWorkflowException(execution, 7000,"Received a Bad Sync Response from NSSMF.")
+		}
+		logger.debug("Exit prepareTnFhRequest")
+
+	}
+	def prepareTnMhRequest = { DelegateExecution execution ->
+		logger.debug(Prefix+"prepareTnMhRequest method start")
+
+		String nssmfRequest = anNssmfUtils.buildCreateNSSMFRequest(execution, "TN_MH", "modify-allocate")
+		String urlString = "/api/rest/provMns/v1/NSS/SliceProfiles"
+		String nssmfResponse = nssmfAdapterUtils.sendPostRequestNSSMF(execution, urlString, nssmfRequest)
+
+		if (nssmfResponse != null) {
+			execution.setVariable("nssmfResponse", nssmfResponse)
+			String jobId = jsonUtil.getJsonValue(nssmfResponse, "jobId")
+			execution.setVariable("TNMH_jobId",jobId)
+		} else {
+			logger.error("received error message from NSSMF : "+ nssmfResponse)
+			exceptionUtil.buildAndThrowWorkflowException(execution, 7000,"Received a Bad Sync Response from NSSMF.")
+		}
+		logger.debug("Exit prepareTnMhRequest")
+	}
+	
+	def createFhAllocateNssiJobQuery = { DelegateExecution execution ->
+		logger.debug(Prefix+"createModifyNssiQueryJobStatus method start")
+		createTnAllocateNssiJobQuery(execution, "TN_FH")
+	}
+	
+	def createMhAllocateNssiJobQuery = { DelegateExecution execution ->
+		logger.debug(Prefix+"createModifyNssiQueryJobStatus method start")
+		createTnAllocateNssiJobQuery(execution, "TN_MH")
+	}
+	
+	private void createTnAllocateNssiJobQuery(DelegateExecution execution, String domainType) {
+		EsrInfo esrInfo = new EsrInfo()
+		esrInfo.setNetworkType("TN")
+		esrInfo.setVendor("ONAP")
+		String esrInfoString = objectMapper.writeValueAsString(esrInfo)
+		execution.setVariable("esrInfo", esrInfoString)
+		JsonObject serviceInfo = new JsonObject()
+		
+		serviceInfo.addProperty("nsiId", execution.getVariable("nsiId"))
+		String sST = jsonUtil.getJsonValue(execution.getVariable("sliceProfile"), "sST")
+		serviceInfo.addProperty("sST", sST)
+		serviceInfo.addProperty("PLMNIdList", objectMapper.writeValueAsString(execution.getVariable("plmnIdList")))
+		serviceInfo.addProperty("globalSubscriberId", execution.getVariable("globalSubscriberId"))
+		serviceInfo.addProperty("subscriptionServiceType", execution.getVariable("subscriptionServiceType"))
+		serviceInfo.addProperty("serviceInvariantUuid", null)
+		serviceInfo.addProperty("serviceUuid", null)
+		if(domainType.equals("TN_FH")) {
+			serviceInfo.addProperty("nssiId", execution.getVariable("TNFH_NSSI"))
+			serviceInfo.addProperty("nssiName", execution.getVariable("TNFH_nssiName"))
+		}else if(domainType.equals("TN_MH")) {
+			serviceInfo.addProperty("nssiId", execution.getVariable("TNMH_NSSI"))
+			serviceInfo.addProperty("nssiName", execution.getVariable("TNMH_nssiName"))
+		}
+		execution.setVariable("serviceInfo", serviceInfo.toString())
+		execution.setVariable("responseId", "")
+	}
+	
+	def processFhAllocateNssiJobStatusRsp = { DelegateExecution execution ->
+		logger.debug(Prefix+"processJobStatusRsp method start")
+		String jobResponse = execution.getVariable("TNFH_jobResponse")
+		logger.debug("Job status response "+jobResponse)
+		String status = jsonUtil.getJsonValue(jobResponse, "responseDescriptor.status")
+		String nssi = jsonUtil.getJsonValue(jobResponse, "responseDescriptor.nssi")
+		if(status.equalsIgnoreCase("finished")) {
+			logger.debug("Job successfully completed ... proceeding with flow for nssi : "+nssi)
+		}
+		else {
+			String statusDescription = jsonUtil.getJsonValue(jobResponse, "responseDescriptor.statusDescription")
+			logger.error("received failed status from job status query for nssi : "+nssi+" with status description : "+ statusDescription)
+			exceptionUtil.buildAndThrowWorkflowException(execution, 7000,"received failed status from job status query for nssi : "+nssi+" with status description : "+ statusDescription)
+		}
+	}
+	
+	def processMhAllocateNssiJobStatusRsp = { DelegateExecution execution ->
+		logger.debug(Prefix+"processJobStatusRsp method start")
+		String jobResponse = execution.getVariable("TNMH_jobResponse")
+		logger.debug("Job status response "+jobResponse)
+		String status = jsonUtil.getJsonValue(jobResponse, "responseDescriptor.status")
+		String nssi = jsonUtil.getJsonValue(jobResponse, "responseDescriptor.nssi")
+		if(status.equalsIgnoreCase("finished")) {
+			logger.debug("Job successfully completed ... proceeding with flow for nssi : "+nssi)
+		}
+		else {
+			String statusDescription = jsonUtil.getJsonValue(jobResponse, "responseDescriptor.statusDescription")
+			logger.error("received failed status from job status query for nssi : "+nssi+" with status description : "+ statusDescription)
+			exceptionUtil.buildAndThrowWorkflowException(execution, 7000,"received failed status from job status query for nssi : "+nssi+" with status description : "+ statusDescription)
+		}
+	}
+	
+	def getSliceProfilesFromAai = { DelegateExecution execution ->
+		logger.debug(Prefix+"getSliceProfilesFromAai method start")
+		String instanceId = execution.getVariable("sliceProfileId")
+		String role = "slice-profile-instance"
+		Map<String,ServiceInstance> ranConstituentSliceProfiles = getRelatedInstancesByRole(execution, role, instanceId)
+		logger.debug("getSliceProfilesFromAai ranConstituentSliceProfiles : "+ranConstituentSliceProfiles.toString())
+		ranConstituentSliceProfiles.each { key, val ->
+			switch(key) {
+				case "AN-NF":
+					execution.setVariable("ANNF_sliceProfileInstanceId", val.getServiceInstanceId())
+					break
+				case "TN-FH":
+					execution.setVariable("TNFH_sliceProfileInstanceId", val.getServiceInstanceId())
+					break
+				case "TN-MH":
+					execution.setVariable("TNMH_sliceProfileInstanceId", val.getServiceInstanceId())
+					break
+				default:
+					logger.error("No expected match found for current domainType "+ key)
+					exceptionUtil.buildAndThrowWorkflowException(execution, 1000,"No expected match found for current domainType "+ key)
+			}
+		}
+	}
+	
+	def prepareTnFhDeallocateRequest = { DelegateExecution execution ->
+		logger.debug(Prefix+"prepareTnFhDeallocateRequest method start")
+		String nssmfRequest = anNssmfUtils.buildDeallocateNssiRequest(execution, "TN_FH")
+		String nssiId = execution.getVariable("TNFH_NSSI")
+		execution.setVariable("tnFHNSSIId", nssiId)
+		String urlString = "/api/rest/provMns/v1/NSS/nssi/" + nssiId
+				String nssmfResponse = nssmfAdapterUtils.sendPostRequestNSSMF(execution, urlString, nssmfRequest)
+				if (nssmfResponse != null) {
+					String jobId = jsonUtil.getJsonValue(nssmfResponse, "jobId")
+					execution.setVariable("TN_FH_jobId",jobId)
+				} else {
+					logger.error("received error message from NSSMF : "+ nssmfResponse)
+					exceptionUtil.buildAndThrowWorkflowException(execution, 7000,"Received a Bad Sync Response from NSSMF.")
+				}
+	}
+	
+	def prepareTnMhDeallocateRequest = { DelegateExecution execution ->
+		logger.debug(Prefix+"prepareTnFhDeallocateRequest method start")
+		String nssmfRequest = anNssmfUtils.buildDeallocateNssiRequest(execution, "TN_FH")
+		String nssiId = execution.getVariable("TNFH_NSSI")
+		execution.setVariable("tnFHNSSIId", nssiId)
+		String urlString = "/api/rest/provMns/v1/NSS/nssi/" + nssiId
+				String nssmfResponse = nssmfAdapterUtils.sendPostRequestNSSMF(execution, urlString, nssmfRequest)
+				if (nssmfResponse != null) {
+					String jobId = jsonUtil.getJsonValue(nssmfResponse, "jobId")
+					execution.setVariable("TN_MH_jobId",jobId)
+				} else {
+					logger.error("received error message from NSSMF : "+ nssmfResponse)
+					exceptionUtil.buildAndThrowWorkflowException(execution, 7000,"Received a Bad Sync Response from NSSMF.")
+				}
+	}
+	
+	def createFhDeAllocateNssiJobQuery = { DelegateExecution execution ->
+		logger.debug(Prefix+"createModifyNssiQueryJobStatus method start")
+		createTnAllocateNssiJobQuery(execution, "TN_FH")
+	}
+	
+	def createMhDeAllocateNssiJobQuery = { DelegateExecution execution ->
+		logger.debug(Prefix+"createModifyNssiQueryJobStatus method start")
+		createTnAllocateNssiJobQuery(execution, "TN_MH")
+	}
+	def deleteFhSliceProfile = { DelegateExecution execution ->
+		logger.debug(Prefix+"deleteFhSliceProfile method start")
+		deleteServiceInstanceInAAI(execution,execution.getVariable("TNFH_sliceProfileInstanceId"))
+	}
+	def deleteMhSliceProfile = { DelegateExecution execution ->
+		logger.debug(Prefix+"deleteMhSliceProfile method start")
+		deleteServiceInstanceInAAI(execution,execution.getVariable("TNMH_sliceProfileInstanceId"))	
+	}
+	def deleteAnSliceProfile = { DelegateExecution execution ->
+		logger.debug(Prefix+"deleteAnSliceProfile method start")
+		deleteServiceInstanceInAAI(execution,execution.getVariable("ANNF_sliceProfileInstanceId"))
+	}
+	/**
+	 * update operation status in request db
+	 *
+	 */
+	def prepareOperationStatusUpdate = { DelegateExecution execution ->
+		logger.debug(Prefix + "prepareOperationStatusUpdate Start")
+
+		String serviceId = execution.getVariable("serviceInstanceID")
+		String jobId = execution.getVariable("jobId")
+		String nsiId = execution.getVariable("nsiId")
+		String nssiId = execution.getVariable("serviceInstanceID")
+		logger.debug("Service Instance serviceId:" + serviceId + " jobId:" + jobId)
+
+		ResourceOperationStatus updateStatus = new ResourceOperationStatus()
+		updateStatus.setServiceId(serviceId)
+		updateStatus.setOperationId(jobId)
+		updateStatus.setResourceTemplateUUID(nsiId)
+		updateStatus.setResourceInstanceID(nssiId)
+		updateStatus.setOperType("Modify")
+		updateStatus.setProgress(100)
+		updateStatus.setStatus("finished")
+		requestDBUtil.prepareUpdateResourceOperationStatus(execution, updateStatus)
+
+		logger.debug(Prefix + "prepareOperationStatusUpdate Exit")
+	}
+
+	def prepareFailedOperationStatusUpdate = { DelegateExecution execution ->
+		logger.debug(Prefix + "prepareFailedOperationStatusUpdate Start")
+		
+		String serviceId = execution.getVariable("serviceInstanceID")
+		String jobId = execution.getVariable("jobId")
+		String nsiId = execution.getVariable("nsiId")
+		String nssiId = execution.getVariable("serviceInstanceID")
+		logger.debug("Service Instance serviceId:" + serviceId + " jobId:" + jobId)
+
+		ResourceOperationStatus updateStatus = new ResourceOperationStatus()
+		updateStatus.setServiceId(serviceId)
+		updateStatus.setOperationId(jobId)
+		updateStatus.setResourceTemplateUUID(nsiId)
+		updateStatus.setResourceInstanceID(nssiId)
+		updateStatus.setOperType("Modify")
+		updateStatus.setProgress(0)
+		updateStatus.setStatus("failed")
+		requestDBUtil.prepareUpdateResourceOperationStatus(execution, updateStatus)
+	}
+	
+	/**
+	 * @param execution
+	 * @param role            - nssi/slice profile instance
+	 * @param instanceId    - id to which the related list to be found
+	 * @return
+	 */
+	private Map<String,ServiceInstance> getRelatedInstancesByRole(DelegateExecution execution,String role,String instanceId) {
+		logger.debug("${Prefix} - Fetching related ${role} from AAI")
+		String globalSubscriberId = execution.getVariable("globalSubscriberId")
+		String subscriptionServiceType = execution.getVariable("subscriptionServiceType")
+		
+		Map<String,ServiceInstance> relatedInstances = new HashMap<>()
+		
+		AAIResourcesClient client = new AAIResourcesClient()
+		AAIResourceUri uri = AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE,
+				globalSubscriberId, subscriptionServiceType, instanceId)
+		if (!client.exists(uri)) {
+			exceptionUtil.buildAndThrowWorkflowException(execution, 2500, "Service Instance was not found in aai : ${instanceId}")
+		}
+		AAIResultWrapper wrapper = client.get(uri, NotFoundException.class)
+		Optional<ServiceInstance> si = wrapper.asBean(ServiceInstance.class)
+		if(si.isPresent()) {
+		List<Relationship> relationshipList = si.get().getRelationshipList().getRelationship()
+		for (Relationship relationship : relationshipList) {
+			String relatedTo = relationship.getRelatedTo()
+			if (relatedTo.toLowerCase() == "service-instance") {
+				String relatioshipurl = relationship.getRelatedLink()
+				String serviceInstanceId =
+						relatioshipurl.substring(relatioshipurl.lastIndexOf("/") + 1, relatioshipurl.length())
+
+				AAIResourcesClient client01 = new AAIResourcesClient()
+				AAIResourceUri uri01 = AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE,
+						globalSubscriberId, subscriptionServiceType, serviceInstanceId)
+				if (!client.exists(uri01)) {
+					exceptionUtil.buildAndThrowWorkflowException(execution, 2500,
+							"Service Instance was not found in aai: ${serviceInstanceId} related to ${instanceId}")
+				}
+				AAIResultWrapper wrapper01 = client01.get(uri01, NotFoundException.class)
+				Optional<ServiceInstance> serviceInstance = wrapper01.asBean(ServiceInstance.class)
+				if (serviceInstance.isPresent()) {
+					ServiceInstance instance = serviceInstance.get()
+					if (role.equalsIgnoreCase(instance.getServiceRole())) {
+						relatedInstances.put(instance.getWorkloadContext(),instance)
+					}
+				}
+			}
+		}
+		}
+		logger.debug("Found ${relatedInstances.size()} ${role} related to ${instanceId} ")
+		return relatedInstances
+	}
+	
+	private ServiceInstance getServiceInstance(DelegateExecution execution, String instanceId) {
+		String globalSubscriberId = execution.getVariable("globalSubscriberId")
+		String subscriptionServiceType = execution.getVariable("subscriptionServiceType")
+		ServiceInstance serviceInstance = new ServiceInstance()
+		AAIResourcesClient client = new AAIResourcesClient()
+		AAIResourceUri uri = AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE,
+				globalSubscriberId, subscriptionServiceType, instanceId)
+		if (!client.exists(uri)) {
+			exceptionUtil.buildAndThrowWorkflowException(execution, 2500, "Service Instance was not found in aai : ${instanceId}")
+		}
+		AAIResultWrapper wrapper = client.get(uri, NotFoundException.class)
+		Optional<ServiceInstance> si = wrapper.asBean(ServiceInstance.class)
+		
+		if(si.isPresent()) {
+			serviceInstance = si
+		}
+		return serviceInstance
+	}
+	private void deleteServiceInstanceInAAI(DelegateExecution execution,String instanceId) {
+		try {
+			AAIResourceUri serviceInstanceUri = AAIUriFactory.createResourceUri(AAIObjectType.SERVICE_INSTANCE, execution.getVariable("globalSubscriberId"), execution.getVariable("serviceType"), instanceId)
+			getAAIClient().delete(serviceInstanceUri)
+			logger.debug("${Prefix} Exited deleteServiceInstance")
+		}catch(Exception e){
+			logger.debug("Error occured within deleteServiceInstance method: " + e)
+		}
+	}
+}
\ No newline at end of file
diff --git a/bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/DoModifyRanNfNssi.groovy b/bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/DoModifyRanNfNssi.groovy
new file mode 100644
index 0000000000..6fdfbe3218
--- /dev/null
+++ b/bpmn/so-bpmn-infrastructure-common/src/main/groovy/org/onap/so/bpmn/infrastructure/scripts/DoModifyRanNfNssi.groovy
@@ -0,0 +1,193 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ # Copyright (c) 2020, Wipro Limited.
+ #
+ # 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.so.bpmn.infrastructure.scripts
+
+import org.camunda.bpm.engine.delegate.BpmnError
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+import org.camunda.bpm.engine.delegate.DelegateExecution
+import org.onap.so.bpmn.common.scripts.AbstractServiceTaskProcessor
+import org.onap.so.bpmn.common.scripts.ExceptionUtil
+import org.onap.so.bpmn.core.json.JsonUtils
+import com.fasterxml.jackson.databind.ObjectMapper
+import com.google.gson.JsonObject
+import java.sql.Timestamp
+
+import static org.apache.commons.lang3.StringUtils.isBlank
+import org.onap.so.bpmn.core.UrnPropertiesReader
+
+class DoModifyRanNfNssi extends AbstractServiceTaskProcessor {
+
+	String Prefix="MANNFNSS_"
+	ExceptionUtil exceptionUtil = new ExceptionUtil()
+	JsonUtils jsonUtil = new JsonUtils()
+	ObjectMapper objectMapper = new ObjectMapper();
+	AnNssmfUtils anNssmfUtils = new AnNssmfUtils()
+
+	private static final Logger logger = LoggerFactory.getLogger(DoModifyRanNfNssi.class)
+
+	@Override
+	void preProcessRequest(DelegateExecution execution) {
+		logger.debug(Prefix + "preProcessRequest Start")
+		execution.setVariable("prefix", Prefix)
+		execution.setVariable("startTime", System.currentTimeMillis())
+		def msg
+		try {
+
+			logger.debug("input variables : msoRequestId - "+execution.getVariable("msoRequestId")+
+					" globalSubscriberId - "+execution.getVariable("globalSubscriberId")+
+					" serviceInstanceID - "+execution.getVariable("serviceInstanceID")+
+					" subscriptionServiceType - "+execution.getVariable("subscriptionServiceType")+
+					" sliceProfileId - "+execution.getVariable("sliceProfileId")+
+					" snssaiList - "+execution.getVariable("snssaiList")+
+					" modifyAction - "+execution.getVariable("modifyAction"))
+
+			//validate RAN NF slice subnet inputs
+
+			String modifyAction = execution.getVariable("modifyAction")
+			if (isBlank(modifyAction)) {
+				msg = "Input modifyAction is null"
+				logger.debug(msg)
+				exceptionUtil.buildAndThrowWorkflowException(execution, 500, msg)
+			} else {
+				execution.setVariable("modifyAction", modifyAction)
+				switch(modifyAction) {
+					case "allocate":
+						String sliceProfile = execution.getVariable("additionalProperties")
+						execution.setVariable("sliceProfile", sliceProfile)
+						break
+					case "reconfigure":
+						String resourceConfig = execution.getVariable("additionalProperties")
+						execution.setVariable("resourceConfig", resourceConfig)
+						break
+					default:
+						logger.debug("Invalid modify Action")
+						exceptionUtil.buildAndThrowWorkflowException(execution, 500, "Invalid modify Action : "+modifyAction)
+				}
+			}
+			List<String> snssaiList = objectMapper.readValue(execution.getVariable("snssaiList"), List.class)
+			String sliceProfileId = execution.getVariable("sliceProfileId")
+			if (isBlank(sliceProfileId) || (snssaiList.empty)) {
+				msg = "Mandatory fields are empty"
+				logger.debug(msg)
+				exceptionUtil.buildAndThrowWorkflowException(execution, 500, msg)
+			} else {
+				execution.setVariable("sliceProfileId", sliceProfileId)
+				execution.setVariable("snssaiList", snssaiList)
+				execution.setVariable("snssai", snssaiList.get(0))
+			}
+			
+		} catch(BpmnError e) {
+			throw e
+		} catch(Exception ex) {
+			msg = "Exception in DoModifyAccessNssi.preProcessRequest " + ex.getMessage()
+			logger.debug(msg)
+			exceptionUtil.buildAndThrowWorkflowException(execution, 7000, msg)
+		}
+		logger.debug(Prefix + "preProcessRequest Exit")
+	}
+	
+	def createSdnrRequest = { DelegateExecution execution ->
+		logger.debug(Prefix+"createSdnrRequest method start")
+		String callbackUrl = UrnPropertiesReader.getVariable("mso.workflow.message.endpoint") + "/AsyncSdnrResponse/"+execution.getVariable("msoRequestId")
+		String modifyAction = execution.getVariable("modifyAction")
+		String sdnrRequest = buildSdnrAllocateRequest(execution, modifyAction, "InstantiateRANSlice", callbackUrl)
+		execution.setVariable("createNSSI_sdnrRequest", sdnrRequest)
+		execution.setVariable("createNSSI_timeout", "PT10M")
+		execution.setVariable("createNSSI_correlator", execution.getVariable("msoRequestId"))
+		execution.setVariable("createNSSI_messageType", "AsyncSdnrResponse");
+	}
+	
+	def processSdnrResponse = { DelegateExecution execution ->
+		logger.debug(Prefix+"processSdnrResponse method start")
+		String SDNRResponse = execution.getVariable("SDNR_asyncCallbackResponse")
+		String status = jsonUtil.getJsonValue(SDNRResponse, "status")
+		if(status.equalsIgnoreCase("success")) {
+			String nfIds = jsonUtil.getJsonValue(SDNRResponse, "nfIds")
+			execution.setVariable("ranNfIdsJson", nfIds)
+		}else {
+			String reason = jsonUtil.getJsonValue(SDNRResponse, "reason")
+			logger.error("received failed status from SDNR "+ reason)
+			exceptionUtil.buildAndThrowWorkflowException(execution, 7000,"received failed status from SDNR "+ reason)
+		}
+		logger.debug("response from SDNR "+SDNRResponse)
+	}
+	
+	private String buildSdnrAllocateRequest(DelegateExecution execution, String action, String rpcName, String callbackUrl) {
+		
+		String requestId = execution.getVariable("msoRequestId")
+		Date date = new Date().getTime()
+		Timestamp time = new Timestamp(date)
+		String sliceProfileString
+		JsonObject response = new JsonObject()
+		JsonObject body = new JsonObject()
+		JsonObject input = new JsonObject()
+		JsonObject commonHeader = new JsonObject()
+		JsonObject payload = new JsonObject()
+		JsonObject payloadInput = new JsonObject()
+		if(action.equals("allocate")) {
+			Map<String,Object> sliceProfile = objectMapper.readValue(execution.getVariable("sliceProfile"), Map.class)
+			sliceProfile.put("sliceProfileId", execution.getVariable("sliceProfileId"))
+			sliceProfile.put("maxNumberofConns", sliceProfile.get("maxNumberofPDUSessions"))
+			sliceProfile.put("uLThptPerSlice", sliceProfile.get("expDataRateUL"))
+			sliceProfile.put("dLThptPerSlice", sliceProfile.get("expDataRateDL"))
+			sliceProfileString = objectMapper.writeValueAsString(sliceProfile)
+			action = "modify-"+action
+			payloadInput.add("additionalproperties", new JsonObject())
+		}else if(action.equals("deallocate")) {
+			action = "modify-"+action
+			Map<String,Object> sliceProfile = new HashMap<>()
+			sliceProfile.put("sliceProfileId", execution.getVariable("sliceProfileId"))
+			sliceProfile.put("sNSSAI", execution.getVariable("snssai"))
+			sliceProfileString = objectMapper.writeValueAsString(sliceProfile)
+			payloadInput.add("additionalproperties", new JsonObject())
+		}else if(action.equals("reconfigure")) {
+			Map<String,Object> sliceProfile = new HashMap<>()
+			sliceProfile.put("sliceProfileId", execution.getVariable("sliceProfileId"))
+			sliceProfile.put("sNSSAI", execution.getVariable("snssai"))
+			sliceProfileString = objectMapper.writeValueAsString(sliceProfile)
+			JsonObject resourceconfig = new JsonObject()
+			resourceconfig.addProperty("resourceConfig", execution.getVariable("resourceConfig"))
+			payloadInput.add("additionalproperties", resourceconfig)
+		}
+		commonHeader.addProperty("TimeStamp", time.toString())
+		commonHeader.addProperty("APIver", "1.0")
+		commonHeader.addProperty("RequestID", requestId)
+		commonHeader.addProperty("SubRequestID", "1")
+		commonHeader.add("RequestTrack", new JsonObject())
+		commonHeader.add("Flags", new JsonObject())
+		payloadInput.addProperty("sliceProfile", sliceProfileString)
+		payloadInput.addProperty("RANNFNSSIId", execution.getVariable("serviceInstanceID"))
+		payloadInput.addProperty("callbackURL", callbackUrl)
+		payload.add("input", payloadInput)
+		input.add("CommonHeader", commonHeader)
+		input.addProperty("Action", action)
+		input.add("Payload", payload)
+		body.add("input", input)
+		response.add("body", body)
+		response.addProperty("version", "1.0")
+		response.addProperty("rpc-name", rpcName)
+		response.addProperty("correlation-id", requestId+"-1")
+		response.addProperty("type", "request")
+		return response.toString()
+	}
+	
+}
\ No newline at end of file