[SO] Enhance Delete AS Workflow(s) to launch SO CNFM for Delete AS

Issue-ID: SO-3886
Signed-off-by: raviteja.karumuri <raviteja.karumuri@est.tech>
Change-Id: I7776fee0ea812e17052553e03a015863004e9f5d
Signed-off-by: raviteja.karumuri <raviteja.karumuri@est.tech>

7 files changed, 203 insertions, 84 deletions

diff --git a/bpmn/so-bpmn-building-blocks/src/main/resources/subprocess/BuildingBlock/CnfDeleteBB.bpmn b/bpmn/so-bpmn-building-blocks/src/main/resources/subprocess/BuildingBlock/CnfDeleteBB.bpmn
index 45d51d78a8..da3577ed61 100644
--- a/bpmn/so-bpmn-building-blocks/src/main/resources/subprocess/BuildingBlock/CnfDeleteBB.bpmn
+++ b/bpmn/so-bpmn-building-blocks/src/main/resources/subprocess/BuildingBlock/CnfDeleteBB.bpmn
@@ -7,31 +7,55 @@
     <bpmn:endEvent id="EndEvent_001k15i">
       <bpmn:incoming>Flow_1s7gtbc</bpmn:incoming>
     </bpmn:endEvent>
-    <bpmn:serviceTask id="invokeCnfmToDeleteAsInstnace" name="invoke CNFM to DeleteASInstance" camunda:asyncAfter="true" camunda:expression="${CnfDeleteTask.invokeCnfmToDeleteAsInstnace(InjectExecution.execute(execution, execution.getVariable(&#34;gBuildingBlockExecution&#34;)))}">
-      <bpmn:incoming>SequenceFlow_016sgof</bpmn:incoming>
+    <bpmn:serviceTask id="invokeCnfmToDeleteAsInstnace" name="Invoke CNFM to DeleteASInstance" camunda:expression="${CnfDeleteTask.invokeCnfmToDeleteAsInstance(InjectExecution.execute(execution, execution.getVariable(&#34;gBuildingBlockExecution&#34;)))}">
+      <bpmn:incoming>Flow_0td4p22</bpmn:incoming>
       <bpmn:outgoing>Flow_1s7gtbc</bpmn:outgoing>
     </bpmn:serviceTask>
-    <bpmn:sequenceFlow id="SequenceFlow_016sgof" sourceRef="StartEvent_0ru3x55" targetRef="invokeCnfmToDeleteAsInstnace" />
+    <bpmn:sequenceFlow id="SequenceFlow_016sgof" sourceRef="StartEvent_0ru3x55" targetRef="Activity_1uqgwny" />
     <bpmn:sequenceFlow id="Flow_1s7gtbc" sourceRef="invokeCnfmToDeleteAsInstnace" targetRef="EndEvent_001k15i" />
+    <bpmn:serviceTask id="invokeCnfmToTerminateAsInstnace" name="Invoke CNFM to TerminateAsInstnace" camunda:expression="${CnfDeleteTask.invokeCnfmToTerminateAsInstance(InjectExecution.execute(execution, execution.getVariable(&#34;gBuildingBlockExecution&#34;)))}">
+      <bpmn:incoming>Flow_19rm5pn</bpmn:incoming>
+      <bpmn:outgoing>Flow_0td4p22</bpmn:outgoing>
+    </bpmn:serviceTask>
+    <bpmn:sequenceFlow id="Flow_19rm5pn" sourceRef="Activity_1uqgwny" targetRef="invokeCnfmToTerminateAsInstnace" />
+    <bpmn:serviceTask id="Activity_1uqgwny" name="Invoke Create TerminateAsRequest" camunda:expression="${CnfDeleteTask.createTerminateAsRequest(InjectExecution.execute(execution, execution.getVariable(&#34;gBuildingBlockExecution&#34;)))}">
+      <bpmn:incoming>SequenceFlow_016sgof</bpmn:incoming>
+      <bpmn:outgoing>Flow_19rm5pn</bpmn:outgoing>
+    </bpmn:serviceTask>
+    <bpmn:sequenceFlow id="Flow_0td4p22" sourceRef="invokeCnfmToTerminateAsInstnace" targetRef="invokeCnfmToDeleteAsInstnace" />
   </bpmn:process>
   <bpmndi:BPMNDiagram id="BPMNDiagram_1">
     <bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="CnfDeleteBB">
+      <bpmndi:BPMNEdge id="Flow_19rm5pn_di" bpmnElement="Flow_19rm5pn">
+        <di:waypoint x="320" y="140" />
+        <di:waypoint x="380" y="140" />
+      </bpmndi:BPMNEdge>
       <bpmndi:BPMNEdge id="Flow_1s7gtbc_di" bpmnElement="Flow_1s7gtbc">
-        <di:waypoint x="390" y="120" />
-        <di:waypoint x="492" y="120" />
+        <di:waypoint x="810" y="140" />
+        <di:waypoint x="1022" y="140" />
       </bpmndi:BPMNEdge>
       <bpmndi:BPMNEdge id="SequenceFlow_016sgof_di" bpmnElement="SequenceFlow_016sgof">
-        <di:waypoint x="208" y="120" />
-        <di:waypoint x="290" y="120" />
+        <di:waypoint x="178" y="140" />
+        <di:waypoint x="220" y="140" />
+      </bpmndi:BPMNEdge>
+      <bpmndi:BPMNEdge id="Flow_0td4p22_di" bpmnElement="Flow_0td4p22">
+        <di:waypoint x="480" y="140" />
+        <di:waypoint x="710" y="140" />
       </bpmndi:BPMNEdge>
       <bpmndi:BPMNShape id="StartEvent_0ru3x55_di" bpmnElement="StartEvent_0ru3x55">
-        <dc:Bounds x="172" y="102" width="36" height="36" />
+        <dc:Bounds x="142" y="122" width="36" height="36" />
       </bpmndi:BPMNShape>
-      <bpmndi:BPMNShape id="EndEvent_001k15i_di" bpmnElement="EndEvent_001k15i">
-        <dc:Bounds x="492" y="102" width="36" height="36" />
+      <bpmndi:BPMNShape id="Activity_0ziu33x_di" bpmnElement="Activity_1uqgwny">
+        <dc:Bounds x="220" y="100" width="100" height="80" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Activity_06oby7l_di" bpmnElement="invokeCnfmToTerminateAsInstnace">
+        <dc:Bounds x="380" y="100" width="100" height="80" />
       </bpmndi:BPMNShape>
       <bpmndi:BPMNShape id="ServiceTask_11_di" bpmnElement="invokeCnfmToDeleteAsInstnace">
-        <dc:Bounds x="290" y="80" width="100" height="80" />
+        <dc:Bounds x="710" y="100" width="100" height="80" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="EndEvent_001k15i_di" bpmnElement="EndEvent_001k15i">
+        <dc:Bounds x="1022" y="122" width="36" height="36" />
       </bpmndi:BPMNShape>
     </bpmndi:BPMNPlane>
   </bpmndi:BPMNDiagram>
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfDeleteTask.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfDeleteTask.java
index 6bbb391ca9..54b87ec2fe 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfDeleteTask.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfDeleteTask.java
@@ -19,19 +19,23 @@
  */
 package org.onap.so.bpmn.infrastructure.adapter.cnfm.tasks;
 
-import org.onap.logging.filter.base.ONAPComponents;
+import static org.onap.so.bpmn.servicedecomposition.entities.ResourceKey.GENERIC_VNF_ID;
+
+import java.net.URI;
+import java.util.HashMap;
+import java.util.NoSuchElementException;
+import java.util.Optional;
+import org.camunda.bpm.engine.delegate.BpmnError;
 import org.onap.so.bpmn.common.BuildingBlockExecution;
-import org.onap.so.bpmn.servicedecomposition.entities.ExecuteBuildingBlock;
-import org.onap.so.bpmn.servicedecomposition.entities.GeneralBuildingBlock;
+import org.onap.so.bpmn.servicedecomposition.bbobjects.GenericVnf;
+import org.onap.so.bpmn.servicedecomposition.tasks.ExtractPojosForBB;
 import org.onap.so.client.exception.ExceptionBuilder;
-import org.onap.so.serviceinstancebeans.RequestDetails;
+import org.onap.so.cnfm.lcm.model.TerminateAsRequest;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
-import static java.util.Objects.isNull;
-
 
 /**
  * This class performs CNF Delete
@@ -40,43 +44,79 @@ import static java.util.Objects.isNull;
  */
 @Component
 public class CnfDeleteTask {
-
-    private static final String AS_INSTANCE_ID = "asInstanceid";
-    private static final Logger LOGGER = LoggerFactory.getLogger(CnfInstantiateTask.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(CnfDeleteTask.class);
     private final ExceptionBuilder exceptionUtil;
     private final CnfmHttpServiceProvider cnfmHttpServiceProvider;
+    private final ExtractPojosForBB extractPojosForBB;
+    private static final String CNFM_REQUEST_STATUS_CHECK_URL = "CnfmStatusCheckUrl";
+    private static final String TERMINATE_AS_REQUEST_OBJECT = "TerminateAsRequest";
+    private static final String MONITOR_JOB_NAME = "MonitorJobName";
 
     @Autowired
-    public CnfDeleteTask(final CnfmHttpServiceProvider cnfmHttpServiceProvider, final ExceptionBuilder exceptionUtil) {
+    public CnfDeleteTask(final CnfmHttpServiceProvider cnfmHttpServiceProvider, final ExceptionBuilder exceptionUtil,
+            ExtractPojosForBB extractPojosForBB) {
         this.cnfmHttpServiceProvider = cnfmHttpServiceProvider;
         this.exceptionUtil = exceptionUtil;
+        this.extractPojosForBB = extractPojosForBB;
     }
 
-    public void invokeCnfmToDeleteAsInstnace(final BuildingBlockExecution execution) {
+    public void createTerminateAsRequest(final BuildingBlockExecution execution) {
         try {
-            LOGGER.debug("Executing DelteAsInstance task  ...");
-            final ExecuteBuildingBlock executeBuildingBlock =
-                    (ExecuteBuildingBlock) execution.getVariable("buildingBlock");
-
-            final GeneralBuildingBlock generalBuildingBlock = execution.getGeneralBuildingBlock();
+            LOGGER.debug("Executing createTerminateAsRequest task  ...");
 
-            final RequestDetails requestDetails = executeBuildingBlock.getRequestDetails();
-            LOGGER.debug("RequestDetails of DeleteAsInstance: {}", requestDetails);
+            final TerminateAsRequest terminateAsRequest = new TerminateAsRequest();
+            terminateAsRequest.setTerminationType(TerminateAsRequest.TerminationTypeEnum.GRACEFUL);
+            terminateAsRequest.setGracefulTerminationTimeout(0);
+            terminateAsRequest.setAdditionalParams(new HashMap<>());
 
-            if (isNull(requestDetails) && isNull(requestDetails.getModelInfo())
-                    && isNull(requestDetails.getRequestInfo()) && isNull(requestDetails.getCloudConfiguration())
-                    && isNull(generalBuildingBlock)) {
-                LOGGER.error("Missing Mandatory attribute from RequestDetails: {} or GeneralBuildingBlock: {}",
-                        requestDetails, generalBuildingBlock);
-                exceptionUtil.buildAndThrowWorkflowException(execution, 2000,
-                        "Missing Mandatory attribute from RequestDetails or GeneralBuildingBlock", ONAPComponents.SO);
-            }
+            LOGGER.debug("Adding TerminateAsRequest to execution {}", terminateAsRequest);
 
-            LOGGER.debug("Finished executing DeleteAsInstance task ...");
+            execution.setVariable(TERMINATE_AS_REQUEST_OBJECT, terminateAsRequest);
+            LOGGER.debug("Finished executing terminateAsRequest task ...");
 
         } catch (final Exception exception) {
-            LOGGER.error("Unable to invoke DeleteAsInstance", exception);
+            LOGGER.error("Unable to create TerminateAsRequest", exception);
             exceptionUtil.buildAndThrowWorkflowException(execution, 2001, exception);
         }
     }
+
+    public void invokeCnfmToTerminateAsInstance(final BuildingBlockExecution execution) {
+        try {
+            LOGGER.debug("Executing TerminateAsInstance task  ...");
+
+            final TerminateAsRequest terminateAsRequest = execution.getVariable(TERMINATE_AS_REQUEST_OBJECT);
+            final GenericVnf vnf = extractPojosForBB.extractByKey(execution, GENERIC_VNF_ID);
+            final String asInstanceId = vnf.getVnfId();
+
+            Optional<URI> terminateStatusCheck =
+                    cnfmHttpServiceProvider.invokeTerminateAsRequest(asInstanceId, terminateAsRequest);
+            execution.setVariable(CNFM_REQUEST_STATUS_CHECK_URL,
+                    terminateStatusCheck.orElseThrow(() -> new NoSuchElementException("Status check url Not found")));
+            execution.setVariable(MONITOR_JOB_NAME, "Terminate");
+            LOGGER.debug("Successfully invoked CNFM terminate AS request: {}", asInstanceId);
+
+        } catch (final Exception exception) {
+            LOGGER.error("Unable to invoke CNFM TerminateAsRequest", exception);
+            exceptionUtil.buildAndThrowWorkflowException(execution, 2004, exception);
+        }
+    }
+
+    public void invokeCnfmToDeleteAsInstance(final BuildingBlockExecution execution) {
+        try {
+            LOGGER.debug("Executing DelteAsInstance task  ...");
+
+            final GenericVnf vnf = extractPojosForBB.extractByKey(execution, GENERIC_VNF_ID);
+            final String asInstanceId = vnf.getVnfId();
+
+            Optional<Boolean> response = cnfmHttpServiceProvider.invokeDeleteAsRequest(asInstanceId);
+            if (Boolean.TRUE.equals(response
+                    .orElseThrow(() -> new BpmnError("Unable to complete DeleteAsRequest of ID: " + asInstanceId)))) {
+                LOGGER.debug("Successfully invoked CNFM delete AS request with ID: {}", asInstanceId);
+            }
+
+        } catch (final Exception exception) {
+            LOGGER.error("Unable to invoke CNFM DeleteAsRequest", exception);
+            exceptionUtil.buildAndThrowWorkflowException(execution, 2004, exception);
+        }
+    }
 }
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfInstantiateTask.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfInstantiateTask.java
index 0071e36ef9..e73c3f1703 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfInstantiateTask.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfInstantiateTask.java
@@ -31,6 +31,7 @@ import java.net.URI;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
+import java.util.NoSuchElementException;
 import java.util.Optional;
 import org.apache.groovy.util.Maps;
 import org.onap.logging.filter.base.ONAPComponents;
@@ -51,8 +52,6 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
-import camundajar.impl.scala.collection.immutable.HashMap;
-
 
 /**
  * This class performs CNF Instantiation
@@ -65,6 +64,7 @@ public class CnfInstantiateTask {
     private static final String CREATE_AS_REQUEST_OBJECT = "CreateAsRequestObject";
     private static final String INSTANTIATE_AS_REQUEST_OBJECT = "InstantiateAsRequest";
     private static final String CNFM_REQUEST_STATUS_CHECK_URL = "CnfmStatusCheckUrl";
+    private static final String MONITOR_JOB_NAME = "MonitorJobName";
     private static final String AS_INSTANCE_ID = "asInstanceid";
     private static final Logger LOGGER = LoggerFactory.getLogger(CnfInstantiateTask.class);
     private final ExceptionBuilder exceptionUtil;
@@ -133,7 +133,8 @@ public class CnfInstantiateTask {
                         "Unable to invoke CNFM for CreateAsRequest", ONAPComponents.SO);
             }
 
-            final AsInstance asInstance = optional.get();
+            final AsInstance asInstance =
+                    optional.orElseThrow(() -> new NoSuchElementException("AsInstance object is empty"));
             execution.setVariable(AS_INSTANCE_ID, asInstance.getAsInstanceid());
             LOGGER.debug("Successfully invoked CNFM response: {}", asInstance);
 
@@ -153,8 +154,8 @@ public class CnfInstantiateTask {
             if (requestDetails != null && requestDetails.getRequestParameters() != null) {
                 List<Map<String, Object>> userParams = requestDetails.getRequestParameters().getUserParams();
                 if (userParams != null && !userParams.isEmpty()) {
-                    List deploymentItems = new ArrayList<Object>();
-                    List deploymentItemsReq = new ArrayList<AsInfoModificationRequestDeploymentItems>();
+                    List<Object> deploymentItems = new ArrayList<>();
+                    List<AsInfoModificationRequestDeploymentItems> deploymentItemsReq = new ArrayList<>();
                     for (Map<String, Object> userParam : userParams) {
                         if (userParam.containsKey("deploymentItems")) {
                             deploymentItems = (ArrayList<Object>) userParam.get("deploymentItems");
@@ -186,9 +187,10 @@ public class CnfInstantiateTask {
         try {
             final InstantiateAsRequest instantiateAsRequest = execution.getVariable(INSTANTIATE_AS_REQUEST_OBJECT);
             final String asInstanceId = execution.getVariable(AS_INSTANCE_ID);
-            Optional<URI> cnf_status_check_url =
+            Optional<URI> cnfStatusCheckURL =
                     cnfmHttpServiceProvider.invokeInstantiateAsRequest(instantiateAsRequest, asInstanceId);
-            execution.setVariable(CNFM_REQUEST_STATUS_CHECK_URL, cnf_status_check_url.get());
+            execution.setVariable(CNFM_REQUEST_STATUS_CHECK_URL, cnfStatusCheckURL.orElseThrow());
+            execution.setVariable(MONITOR_JOB_NAME, "Instantiate");
             LOGGER.debug("Successfully invoked CNFM instantiate AS request: {}", asInstanceId);
         } catch (final Exception exception) {
             LOGGER.error("Unable to invoke CNFM InstantiateAsRequest", exception);
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfmHttpServiceProvider.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfmHttpServiceProvider.java
index 556d1a172b..06784a0564 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfmHttpServiceProvider.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfmHttpServiceProvider.java
@@ -26,6 +26,7 @@ import org.onap.so.cnfm.lcm.model.AsInstance;
 import org.onap.so.cnfm.lcm.model.AsLcmOpOcc;
 import org.onap.so.cnfm.lcm.model.CreateAsRequest;
 import org.onap.so.cnfm.lcm.model.InstantiateAsRequest;
+import org.onap.so.cnfm.lcm.model.TerminateAsRequest;
 
 /**
  * @author Sagar Shetty (sagar.shetty@est.tech)
@@ -39,4 +40,8 @@ public interface CnfmHttpServiceProvider {
     Optional<URI> invokeInstantiateAsRequest(InstantiateAsRequest instantiateAsRequest, String asInstanceId);
 
     Optional<AsLcmOpOcc> getInstantiateOperationJobStatus(final String url);
+
+    Optional<Boolean> invokeDeleteAsRequest(final String asInstanceId);
+
+    Optional<URI> invokeTerminateAsRequest(String asInstanceId, TerminateAsRequest terminateAsRequest);
 }
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfmHttpServiceProviderImpl.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfmHttpServiceProviderImpl.java
index 709c5c5758..ed0bc3937b 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfmHttpServiceProviderImpl.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfmHttpServiceProviderImpl.java
@@ -23,11 +23,11 @@ import static org.onap.so.bpmn.infrastructure.adapter.cnfm.tasks.CnfmHttpService
 
 import java.net.URI;
 import java.util.Optional;
-
 import org.onap.so.cnfm.lcm.model.AsInstance;
 import org.onap.so.cnfm.lcm.model.AsLcmOpOcc;
 import org.onap.so.cnfm.lcm.model.CreateAsRequest;
 import org.onap.so.cnfm.lcm.model.InstantiateAsRequest;
+import org.onap.so.cnfm.lcm.model.TerminateAsRequest;
 import org.onap.so.rest.exceptions.HttpResouceNotFoundException;
 import org.onap.so.rest.exceptions.InvalidRestRequestException;
 import org.onap.so.rest.exceptions.RestProcessingException;
@@ -136,4 +136,54 @@ public class CnfmHttpServiceProviderImpl implements CnfmHttpServiceProvider {
         }
     }
 
+    @Override
+    public Optional<Boolean> invokeDeleteAsRequest(String asInstanceId) {
+        try {
+
+            final String url = cnfmUrlProvider.getDeleteAsRequestUrl(asInstanceId);
+            LOGGER.debug("Will send request to CNFM by uisng the url: {}", url);
+
+            ResponseEntity<Void> response = httpServiceProvider.deleteHttpRequest(url, Void.class);
+            final HttpStatus httpStatus = response.getStatusCode();
+            if (!(httpStatus.is2xxSuccessful())) {
+                LOGGER.error("Unable to invoke HTTP DELETE using URL: {}, Response Code: {}", url, httpStatus.value());
+                return Optional.empty();
+            }
+            return Optional.of(Boolean.TRUE);
+        } catch (final RestProcessingException | InvalidRestRequestException
+                | HttpResouceNotFoundException httpInvocationException) {
+            LOGGER.error("Unexpected error while processing delete request", httpInvocationException);
+            return Optional.empty();
+        }
+    }
+
+    @Override
+    public Optional<URI> invokeTerminateAsRequest(String asInstanceId, TerminateAsRequest terminateAsRequest) {
+        try {
+
+            final String url = cnfmUrlProvider.getTerminateAsRequestUrl(asInstanceId);
+            LOGGER.debug("Will send request to CNFM to terminate by uisng the url: {}", url);
+
+            ResponseEntity<Void> response = httpServiceProvider.postHttpRequest(terminateAsRequest, url, Void.class);
+            final HttpStatus httpStatus = response.getStatusCode();
+            if (httpStatus.is2xxSuccessful()) {
+                URI statusUri = response.getHeaders().getLocation();
+                if (statusUri == null) {
+                    LOGGER.error("Received response without status URL while terminating of instance with ID: {}",
+                            asInstanceId);
+                    return Optional.empty();
+                }
+                return Optional.of(statusUri);
+            }
+            LOGGER.error("Unable to invoke HTTP DELETE while terminating by using URL: {}, Response Code: {}", url,
+                    httpStatus.value());
+            return Optional.empty();
+
+        } catch (final RestProcessingException | InvalidRestRequestException
+                | HttpResouceNotFoundException httpInvocationException) {
+            LOGGER.error("Unexpected error while processing terminate request", httpInvocationException);
+            return Optional.empty();
+        }
+    }
+
 }
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfmUrlProvider.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfmUrlProvider.java
index 6cd5d1e262..a7dbf9322b 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfmUrlProvider.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfmUrlProvider.java
@@ -49,4 +49,13 @@ public class CnfmUrlProvider {
                 .pathSegment("instantiate").build().toString();
     }
 
+    public String getDeleteAsRequestUrl(String asInstanceId) {
+        return UriComponentsBuilder.fromUri(baseUri).pathSegment("as_instances").pathSegment(asInstanceId).build()
+                .toString();
+    }
+
+    public String getTerminateAsRequestUrl(String asInstanceId) {
+        return UriComponentsBuilder.fromUri(baseUri).pathSegment("as_instances").pathSegment(asInstanceId)
+                .pathSegment("terminate").build().toString();
+    }
 }
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/MonitorCnfmCreateJobTask.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/MonitorCnfmCreateJobTask.java
index 323141365d..40a26cfaf9 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/MonitorCnfmCreateJobTask.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/MonitorCnfmCreateJobTask.java
@@ -23,22 +23,18 @@ import static org.onap.so.bpmn.infrastructure.adapter.vnfm.tasks.Constants.CREAT
 import static org.onap.so.bpmn.infrastructure.adapter.vnfm.tasks.Constants.OPERATION_STATUS_PARAM_NAME;
 
 import java.net.URI;
+import java.util.NoSuchElementException;
 import java.util.Optional;
-
-import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.CreateVnfResponse;
-import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.QueryJobResponse;
+import java.util.Set;
 import org.onap.so.bpmn.common.BuildingBlockExecution;
 import org.onap.so.client.exception.ExceptionBuilder;
+import org.onap.so.cnfm.lcm.model.AsLcmOpOcc;
+import org.onap.so.cnfm.lcm.model.AsLcmOpOcc.OperationStateEnum;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
-import com.google.common.collect.ImmutableSet;
-
-import org.onap.so.cnfm.lcm.model.AsLcmOpOcc;
-import org.onap.so.cnfm.lcm.model.AsLcmOpOcc.OperationStateEnum;
-
 
 /**
  * @author sagar.shetty@est.tech
@@ -48,8 +44,9 @@ import org.onap.so.cnfm.lcm.model.AsLcmOpOcc.OperationStateEnum;
 public class MonitorCnfmCreateJobTask {
 
     private static final String CNFM_REQUEST_STATUS_CHECK_URL = "CnfmStatusCheckUrl";
-    public static final ImmutableSet<OperationStateEnum> OPERATION_FINISHED_STATES =
-            ImmutableSet.of(OperationStateEnum.COMPLETED, OperationStateEnum.FAILED, OperationStateEnum.ROLLED_BACK);
+    private static final String MONITOR_JOB_NAME = "MonitorJobName";
+    public static final Set<OperationStateEnum> OPERATION_FINISHED_STATES =
+            Set.of(OperationStateEnum.COMPLETED, OperationStateEnum.FAILED, OperationStateEnum.ROLLED_BACK);
     private static final Logger LOGGER = LoggerFactory.getLogger(MonitorCnfmCreateJobTask.class);
     protected final ExceptionBuilder exceptionUtil;
     private final CnfmHttpServiceProvider cnfmHttpServiceProvider;
@@ -69,10 +66,11 @@ public class MonitorCnfmCreateJobTask {
     public void getCurrentOperationStatus(final BuildingBlockExecution execution) {
         try {
             LOGGER.debug("Executing getCurrentOperationStatus  ...");
-            final URI operation_status_url = execution.getVariable(CNFM_REQUEST_STATUS_CHECK_URL);
-            LOGGER.debug("Executing getCurrentOperationStatus for CNF... :{}", operation_status_url.toString());
+            final Optional<URI> operationStatusURL = Optional.of(execution.getVariable(CNFM_REQUEST_STATUS_CHECK_URL));
+            LOGGER.debug("Executing getCurrentOperationStatus for CNF... :{}", operationStatusURL);
             final Optional<AsLcmOpOcc> instantiateOperationJobStatus =
-                    cnfmHttpServiceProvider.getInstantiateOperationJobStatus(operation_status_url.toString());
+                    cnfmHttpServiceProvider.getInstantiateOperationJobStatus(String.valueOf(operationStatusURL
+                            .orElseThrow(() -> new NoSuchElementException("Operational Status check url Not found"))));
             if (instantiateOperationJobStatus.isPresent()) {
                 final AsLcmOpOcc asLcmOpOccResponse = instantiateOperationJobStatus.get();
                 if (asLcmOpOccResponse.getOperationState() != null) {
@@ -81,17 +79,15 @@ public class MonitorCnfmCreateJobTask {
                             operationStatus, asLcmOpOccResponse.getOperationState());
                     execution.setVariable(OPERATION_STATUS_PARAM_NAME, asLcmOpOccResponse.getOperationState());
                 }
-
                 LOGGER.debug("Operation {} without operationStatus and operation retrieval status :{}",
                         asLcmOpOccResponse.getId(), asLcmOpOccResponse.getOperationState());
             }
-            execution.setVariable(CREATE_CNF_STATUS_RESPONSE_PARAM_NAME, instantiateOperationJobStatus.get());
+            execution.setVariable(CREATE_CNF_STATUS_RESPONSE_PARAM_NAME,
+                    instantiateOperationJobStatus.isPresent() ? instantiateOperationJobStatus.get() : " ");
             LOGGER.debug("Finished executing getCurrentOperationStatus for CNF...");
         } catch (final Exception exception) {
-            final String message = "Unable to invoke get current Operation status";
-            LOGGER.error(message);
-            exceptionUtil.buildAndThrowWorkflowException(execution, 1209, message);
-
+            LOGGER.error("Unable to invoke get current Operation status");
+            exceptionUtil.buildAndThrowWorkflowException(execution, 1209, exception);
         }
     }
 
@@ -100,10 +96,10 @@ public class MonitorCnfmCreateJobTask {
      * 
      * @param execution {@link org.onap.so.bpmn.common.DelegateExecutionImpl}
      */
-    public void timeOutLogFailue(final BuildingBlockExecution execution) {
-        final String message = "CNF Instantiation operation time out";
+    public void timeOutLogFailure(final BuildingBlockExecution execution) {
+        String message = "CNF" + execution.getVariable(MONITOR_JOB_NAME) + "operation time out";
         LOGGER.error(message);
-        exceptionUtil.buildAndThrowWorkflowException(execution, 1205, message);
+        exceptionUtil.buildAndThrowWorkflowException(execution, 1205, new Exception(message));
     }
 
     /**
@@ -115,22 +111,15 @@ public class MonitorCnfmCreateJobTask {
         LOGGER.debug("Executing CNF checkIfOperationWasSuccessful  ...");
         final OperationStateEnum operationStatusOption = execution.getVariable(OPERATION_STATUS_PARAM_NAME);
         final AsLcmOpOcc cnfInstantiateStautusResponse = execution.getVariable(CREATE_CNF_STATUS_RESPONSE_PARAM_NAME);
-        if (operationStatusOption == null) {
-            final String message = "Unable to instantiate CNF jobId: "
-                    + (cnfInstantiateStautusResponse != null ? cnfInstantiateStautusResponse.getId() : "null")
-                    + "Unable to retrieve OperationStatus";
+        if ((operationStatusOption == OperationStateEnum.FAILED)
+                || (operationStatusOption == OperationStateEnum.FAILED_TEMP)) {
+            final String message = "Unable to" + execution.getVariable(MONITOR_JOB_NAME) + "CNF jobId: "
+                    + (cnfInstantiateStautusResponse != null ? cnfInstantiateStautusResponse.getId() : "null");
             LOGGER.error(message);
-            exceptionUtil.buildAndThrowWorkflowException(execution, 1206, message);
-        } else {
-            final OperationStateEnum operationStatus = operationStatusOption;
-            if (operationStatus != OperationStateEnum.COMPLETED) {
-                final String message = "Unable to instantiate jobId: "
-                        + (cnfInstantiateStautusResponse != null ? cnfInstantiateStautusResponse.getId() : "null")
-                        + " OperationStatus: " + operationStatus;
-                LOGGER.error(message);
-                exceptionUtil.buildAndThrowWorkflowException(execution, 1207, message);
-            }
-            LOGGER.debug("Successfully completed CNF instatiation of job status {}", cnfInstantiateStautusResponse);
+            exceptionUtil.buildAndThrowWorkflowException(execution, 1206, new Exception());
+        } else if ((operationStatusOption == OperationStateEnum.COMPLETED)) {
+            String monitorJobName = execution.getVariable(MONITOR_JOB_NAME);
+            LOGGER.debug("Successfully completed CNF {} job", monitorJobName);
         }
     }