Add or Delete a PNF to an Active Service

-This feature Enables adding or deleting a PNF to an active Service.

Issue-ID: SO-4046
Change-ID:I73f97f986a817d423f92f8d925dcd0947b8a2503
Signed-off-by: sreeja gattagouni <sg00744975@techmahindra.com>

4 files changed, 143 insertions, 2 deletions

diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/aai/tasks/AAIDeleteTasks.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/aai/tasks/AAIDeleteTasks.java
index d62fc6f50f..f3ee2a69b0 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/aai/tasks/AAIDeleteTasks.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/aai/tasks/AAIDeleteTasks.java
@@ -36,6 +36,7 @@ import org.onap.so.bpmn.servicedecomposition.bbobjects.Configuration;
 import org.onap.so.bpmn.servicedecomposition.bbobjects.GenericVnf;
 import org.onap.so.bpmn.servicedecomposition.bbobjects.InstanceGroup;
 import org.onap.so.bpmn.servicedecomposition.bbobjects.L3Network;
+import org.onap.so.bpmn.servicedecomposition.bbobjects.Pnf;
 import org.onap.so.bpmn.servicedecomposition.bbobjects.ServiceInstance;
 import org.onap.so.bpmn.servicedecomposition.bbobjects.VfModule;
 import org.onap.so.bpmn.servicedecomposition.bbobjects.VolumeGroup;
@@ -48,6 +49,7 @@ import org.onap.so.client.orchestration.AAINetworkResources;
 import org.onap.so.client.orchestration.AAIServiceInstanceResources;
 import org.onap.so.client.orchestration.AAIVfModuleResources;
 import org.onap.so.client.orchestration.AAIVnfResources;
+import org.onap.so.client.orchestration.AAIPnfResources;
 import org.onap.so.client.orchestration.AAIVolumeGroupResources;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -70,6 +72,8 @@ public class AAIDeleteTasks {
     @Autowired
     private AAIVnfResources aaiVnfResources;
     @Autowired
+    private AAIPnfResources aaiPnfResources;
+    @Autowired
     private AAIVfModuleResources aaiVfModuleResources;
     @Autowired
     private AAINetworkResources aaiNetworkResources;
@@ -127,6 +131,20 @@ public class AAIDeleteTasks {
         }
     }
 
+
+
+    public void deletePnf(BuildingBlockExecution execution) throws Exception {
+        Pnf pnf = extractPojosForBB.extractByKey(execution, ResourceKey.PNF);
+        execution.setVariable("aaiPnfRollback", false);
+        try {
+            aaiPnfResources.deletePnf(pnf);
+            execution.setVariable("aaiPnfRollback", true);
+        } catch (Exception ex) {
+            logger.error("Exception occurred in AAIDeleteTasks deletePnf process", ex);
+            exceptionUtil.buildAndThrowWorkflowException(execution, 7000, ex);
+        }
+    }
+
     /**
      * BPMN access method to delete the ServiceInstance from A&AI.
      *
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowAction.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowAction.java
index 35e11963a3..64e623ba98 100755
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowAction.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowAction.java
@@ -71,6 +71,7 @@ import org.onap.aaiclient.client.aai.entities.uri.AAIUriFactory;
 import org.onap.aaiclient.client.generated.fluentbuilders.AAIFluentTypeBuilder;
 import org.onap.aaiclient.client.generated.fluentbuilders.AAIFluentTypeBuilder.Types;
 import org.onap.so.bpmn.common.BBConstants;
+import org.onap.so.bpmn.infrastructure.workflow.tasks.ebb.loader.PnfEBBLoader;
 import org.onap.so.bpmn.infrastructure.workflow.tasks.ebb.loader.ServiceEBBLoader;
 import org.onap.so.bpmn.infrastructure.workflow.tasks.ebb.loader.VnfEBBLoader;
 import org.onap.so.bpmn.infrastructure.workflow.tasks.excpetion.VnfcMultipleRelationshipException;
@@ -111,7 +112,7 @@ public class WorkflowAction {
     private static final String VNF_TYPE = "vnfType";
     private static final String CONFIGURATION = "Configuration";
     private static final String SUPPORTEDTYPES =
-            "vnfs|vfModules|networks|networkCollections|volumeGroups|serviceInstances|instanceGroups";
+            "vnfs|pnfs|vfModules|networks|networkCollections|volumeGroups|serviceInstances|instanceGroups";
     private static final String HOMINGSOLUTION = "Homing_Solution";
     private static final String SERVICE_TYPE_TRANSPORT = "TRANSPORT";
     private static final String SERVICE_TYPE_BONDING = "BONDING";
@@ -140,6 +141,8 @@ public class WorkflowAction {
     @Autowired
     private VnfEBBLoader vnfEBBLoader;
     @Autowired
+    private PnfEBBLoader pnfEBBLoader;
+    @Autowired
     private ServiceEBBLoader serviceEBBLoader;
 
     public void setBbInputSetupUtils(BBInputSetupUtils bbInputSetupUtils) {
@@ -293,9 +296,13 @@ public class WorkflowAction {
         List<Resource> resourceList = new ArrayList<>();
         List<Pair<WorkflowType, String>> aaiResourceIds = new ArrayList<>();
 
-        if (resourceType == WorkflowType.SERVICE || isVNFCreate(resourceType, requestAction)) {
+        if (resourceType == WorkflowType.SERVICE || isVNFCreate(resourceType, requestAction)
+                || isPNFCreate(resourceType, requestAction)) {
             resourceList = serviceEBBLoader.getResourceListForService(sIRequest, requestAction, execution,
                     serviceInstanceId, resourceId, aaiResourceIds);
+        } else if (isPNFDelete(resourceType, requestAction)) {
+            pnfEBBLoader.traverseAAIPnf(execution, resourceList, workflowResourceIds.getServiceInstanceId(), resourceId,
+                    aaiResourceIds);
         } else if (resourceType == WorkflowType.VNF
                 && (DELETE_INSTANCE.equalsIgnoreCase(requestAction) || REPLACEINSTANCE.equalsIgnoreCase(requestAction)
                         || (RECREATE_INSTANCE.equalsIgnoreCase(requestAction)))) {
@@ -388,6 +395,16 @@ public class WorkflowAction {
         return resourceType == WorkflowType.VNF && CREATE_INSTANCE.equalsIgnoreCase(requestAction);
     }
 
+
+    private boolean isPNFCreate(WorkflowType resourceType, String requestAction) {
+        return resourceType == WorkflowType.PNF && CREATE_INSTANCE.equalsIgnoreCase(requestAction);
+    }
+
+
+    private boolean isPNFDelete(WorkflowType resourceType, String requestAction) {
+        return resourceType == WorkflowType.PNF && DELETE_INSTANCE.equalsIgnoreCase(requestAction);
+    }
+
     private void setExecutionVariables(DelegateExecution execution, List<ExecuteBuildingBlock> flowsToExecute,
             List<String> flowNames) {
         execution.setVariable("flowNames", flowNames);
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/ebb/loader/PnfEBBLoader.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/ebb/loader/PnfEBBLoader.java
new file mode 100644
index 0000000000..761219c6be
--- /dev/null
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/workflow/tasks/ebb/loader/PnfEBBLoader.java
@@ -0,0 +1,100 @@
+package org.onap.so.bpmn.infrastructure.workflow.tasks.ebb.loader;
+
+import org.camunda.bpm.engine.delegate.DelegateExecution;
+import org.javatuples.Pair;
+import org.onap.aai.domain.yang.Relationship;
+import org.onap.aai.domain.yang.RelationshipData;
+import org.onap.so.bpmn.infrastructure.workflow.tasks.Resource;
+import org.onap.so.bpmn.infrastructure.workflow.tasks.WorkflowType;
+import org.onap.so.bpmn.servicedecomposition.bbobjects.Pnf;
+import org.onap.so.bpmn.servicedecomposition.bbobjects.ServiceInstance;
+import org.onap.so.bpmn.servicedecomposition.tasks.BBInputSetup;
+import org.onap.so.bpmn.servicedecomposition.tasks.BBInputSetupUtils;
+import org.onap.so.client.exception.ExceptionBuilder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+import java.util.List;
+import static org.onap.so.bpmn.infrastructure.workflow.tasks.WorkflowActionConstants.WORKFLOW_ACTION_ERROR_MESSAGE;
+
+@Component
+public class PnfEBBLoader {
+
+    private static final Logger logger = LoggerFactory.getLogger(PnfEBBLoader.class);
+
+    private final BBInputSetupUtils bbInputSetupUtils;
+    private final BBInputSetup bbInputSetup;
+    private final WorkflowActionExtractResourcesAAI workflowActionUtils;
+    private final ExceptionBuilder exceptionBuilder;
+
+    PnfEBBLoader(BBInputSetupUtils bbInputSetupUtils, BBInputSetup bbInputSetup,
+            WorkflowActionExtractResourcesAAI workflowActionUtils, ExceptionBuilder exceptionBuilder) {
+        this.bbInputSetupUtils = bbInputSetupUtils;
+        this.bbInputSetup = bbInputSetup;
+        this.workflowActionUtils = workflowActionUtils;
+        this.exceptionBuilder = exceptionBuilder;
+    }
+
+
+    public void traverseAAIPnf(DelegateExecution execution, List<Resource> resourceList, String serviceId, String pnfId,
+            List<Pair<WorkflowType, String>> aaiResourceIds) {
+        try {
+            String pN = null;
+            org.onap.aai.domain.yang.ServiceInstance serviceInstanceAAI =
+                    bbInputSetupUtils.getAAIServiceInstanceById(serviceId);
+            List<Relationship> relationship = serviceInstanceAAI.getRelationshipList().getRelationship();
+            List<RelationshipData> relationshipData;
+            org.onap.aai.domain.yang.Pnf pnf = null;
+            outerLoop: for (Relationship r : relationship) {
+                if (r.getRelatedTo().equalsIgnoreCase("pnf")) {
+                    relationshipData = r.getRelationshipData();
+                    for (RelationshipData rd : relationshipData) {
+                        if (rd.getRelationshipKey().equalsIgnoreCase("pnf.pnf-name")) {
+                            pN = rd.getRelationshipValue();
+                            pnf = bbInputSetupUtils.getAAIPnf(pN);
+                            if (pnf.getPnfId().equalsIgnoreCase(pnfId)) {
+                                break outerLoop;
+                            }
+                        }
+                    }
+                }
+
+            }
+            ServiceInstance serviceInstanceMSO = bbInputSetup.getExistingServiceInstance(serviceInstanceAAI);
+            Resource serviceResource =
+                    new Resource(WorkflowType.SERVICE, serviceInstanceAAI.getServiceInstanceId(), false, null);
+            resourceList.add(serviceResource);
+            if (serviceInstanceMSO.getPnfs() != null) {
+                findPnfWithGivenId(serviceInstanceMSO, pN, aaiResourceIds, resourceList, serviceResource);
+            }
+        } catch (Exception ex) {
+            logger.error("Exception in traverseAAIPnf", ex);
+            buildAndThrowException(execution,
+                    "Could not find existing Pnf or related Instances to execute the request on.");
+        }
+    }
+
+
+    private void findPnfWithGivenId(ServiceInstance serviceInstanceMSO, String pName,
+            List<Pair<WorkflowType, String>> aaiResourceIds, List<Resource> resourceList, Resource serviceResource) {
+        for (Pnf pnf : serviceInstanceMSO.getPnfs()) {
+            if (pnf.getPnfName().equals(pName)) {
+                aaiResourceIds.add(new Pair<>(WorkflowType.PNF, pnf.getPnfId()));
+                Resource pnfResource = new Resource(WorkflowType.PNF, pnf.getPnfId(), false, serviceResource);
+                org.onap.aai.domain.yang.Pnf aaiPnf = bbInputSetupUtils.getAAIPnf(pnf.getPnfName());
+                pnfResource.setModelCustomizationId(aaiPnf.getModelCustomizationId());
+                pnfResource.setModelVersionId(aaiPnf.getModelVersionId());
+                resourceList.add(pnfResource);
+                break;
+            }
+        }
+    }
+
+
+    private void buildAndThrowException(DelegateExecution execution, String msg) {
+        logger.error(msg);
+        execution.setVariable(WORKFLOW_ACTION_ERROR_MESSAGE, msg);
+        exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, msg);
+    }
+
+}
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/orchestration/AAIPnfResources.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/orchestration/AAIPnfResources.java
index a426c39646..acfca5d55a 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/orchestration/AAIPnfResources.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/orchestration/AAIPnfResources.java
@@ -87,6 +87,12 @@ public class AAIPnfResources {
         logger.debug("updatePnfInAAI: {}", pnfFromAai);
     }
 
+
+    public void deletePnf(Pnf pnf) {
+        AAIResourceUri pnfURI = AAIUriFactory.createResourceUri(AAIFluentTypeBuilder.network().pnf(pnf.getPnfName()));
+        injectionHelper.getAaiClient().delete(pnfURI);
+    }
+
     private void updatePnfFields(Pnf pnf, org.onap.aai.domain.yang.Pnf pnfFromAai) {
         if (pnf.getModelInfoPnf() != null
                 && StringUtils.isNotBlank(pnf.getModelInfoPnf().getModelCustomizationUuid())) {