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/*
* ============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 com.google.gson.JsonParser
import java.time.Instant
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 "deallocate":
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 = execution.getVariable("snssaiList")
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)
execution.setVariable("ranNfStatus", status)
}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")
Instant time = Instant.now()
Map<String,Object> sliceProfile = new HashMap<>()
JsonObject response = new JsonObject()
JsonObject body = new JsonObject()
JsonObject input = new JsonObject()
JsonObject commonHeader = new JsonObject()
JsonObject payload = new JsonObject()
JsonObject payloadInput = new JsonObject()
JsonParser parser = new JsonParser()
if(action.equals("allocate")) {
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"))
action = "modify-"+action
payloadInput.add("additionalproperties", new JsonObject())
}else if(action.equals("deallocate")) {
action = "modify-"+action
sliceProfile.put("sliceProfileId", execution.getVariable("sliceProfileId"))
sliceProfile.put("sNSSAI", execution.getVariable("snssai"))
payloadInput.add("additionalproperties", new JsonObject())
}else if(action.equals("reconfigure")) {
sliceProfile.put("sliceProfileId", execution.getVariable("sliceProfileId"))
sliceProfile.put("sNSSAI", execution.getVariable("snssai"))
JsonObject resourceconfig = new JsonObject()
resourceconfig.add("resourceConfig", (JsonObject) parser.parse(execution.getVariable("resourceConfig")))
payloadInput.add("additionalproperties", resourceconfig)
}
commonHeader.addProperty("timestamp", time.toString())
commonHeader.addProperty("api-ver", "1.0")
commonHeader.addProperty("request-id", requestId)
commonHeader.addProperty("sub-request-id", "1")
commonHeader.add("flags", new JsonObject())
payloadInput.addProperty("sliceProfile", sliceProfile.toString())
payloadInput.addProperty("RANNFNSSIId", execution.getVariable("serviceInstanceID"))
payloadInput.addProperty("callbackURL", callbackUrl)
payload.add("input", payloadInput)
input.add("common-header", commonHeader)
input.addProperty("action", action)
input.addProperty("payload", payload.toString())
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()
}
}
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