Third part of onap rename
[appc.git] / appc-sequence-generator / appc-sequence-generator-bundle / src / main / java / org / onap / appc / seqgen / impl / StopSequenceGenerator.java
diff --git a/appc-sequence-generator/appc-sequence-generator-bundle/src/main/java/org/onap/appc/seqgen/impl/StopSequenceGenerator.java b/appc-sequence-generator/appc-sequence-generator-bundle/src/main/java/org/onap/appc/seqgen/impl/StopSequenceGenerator.java
new file mode 100644 (file)
index 0000000..77bee6b
--- /dev/null
@@ -0,0 +1,183 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property.  All rights reserved.
+ * ================================================================================
+ * 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.appc.seqgen.impl;
+
+import org.apache.commons.lang3.StringUtils;
+import org.onap.appc.dg.flowbuilder.FlowBuilder;
+import org.onap.appc.dg.flowbuilder.impl.FlowBuilderFactory;
+import org.onap.appc.dg.objects.FlowStrategies;
+import org.onap.appc.dg.objects.InventoryModel;
+import org.onap.appc.dg.objects.VnfcDependencyModel;
+import org.onap.appc.dg.objects.VnfcFlowModel;
+import org.onap.appc.domainmodel.Vnfc;
+import org.onap.appc.domainmodel.Vserver;
+import org.onap.appc.exceptions.APPCException;
+import org.onap.appc.seqgen.SequenceGenerator;
+import org.onap.appc.seqgen.objects.*;
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+
+import java.util.*;
+
+import static org.onap.appc.seqgen.objects.Constants.*;
+
+public class StopSequenceGenerator implements SequenceGenerator {
+
+    private static final EELFLogger logger = EELFManager.getInstance().getLogger(StartSequenceGenerator.class);
+
+    @Override
+    public List<Transaction> generateSequence(SequenceGeneratorInput input) throws APPCException {
+        if(input.getRequestInfo().getActionLevel().equals(ActionLevel.VM.getAction())||input.getRequestInfo().getActionLevel().equals(ActionLevel.VNFC.getAction())||
+                input.getRequestInfo().getActionLevel().equals(ActionLevel.VNF.getAction())||input.getRequestInfo().getActionLevel().equals(ActionLevel.VF_MODULE.getAction())) {
+            if (input.getRequestInfo().getActionLevel().equals(ActionLevel.VNF.getAction()) && input.getDependencyModel() != null) {
+                FlowStrategies flowStrategy = readStopFlowStrategy(input);
+                VnfcFlowModel flowModel = buildFlowModel(input.getInventoryModel()
+                        , input.getDependencyModel(), flowStrategy);
+                logger.debug("Flow Model " + flowModel);
+                return generateSequenceWithDependencyModel(flowModel, input);
+            } else {
+                logger.info("Generating sequence without dependency model");
+                return generateSequenceWithOutDependency(input);
+            }
+        }throw new  APPCException("Invalid action level "+input.getRequestInfo().getActionLevel());
+
+    }
+    private List<Transaction> generateSequenceWithOutDependency(SequenceGeneratorInput input){
+        List<Transaction> transactionList = new LinkedList<>();
+        Integer transactionId = 1;
+        List<Integer> transactionIds = new LinkedList<>();
+        List<Vnfc> invVnfcList = input.getInventoryModel().getVnf().getVnfcs();
+        boolean singleTransaction=checkSingleTransaction(invVnfcList);
+        for (Vnfc vnfc : invVnfcList) {
+            List<Vserver> vms = vnfc.getVserverList();
+                for(Vserver vm:vms){
+                    Transaction transaction = new Transaction();
+                    transaction.setTransactionId(transactionId);
+                    transactionIds.add(transactionId++);
+                    transaction.setAction(Action.STOP.getActionType());
+                    transaction.setActionLevel(ActionLevel.VM.getAction());
+                    ActionIdentifier actionIdentifier = new ActionIdentifier();
+                    actionIdentifier.setvServerId(vm.getId());
+                    transaction.setActionIdentifier(actionIdentifier);
+                    transaction.setPayload(input.getRequestInfo().getPayload());
+                    if(!singleTransaction){
+                        updateStopResponse(transaction);
+                    }
+                    transactionList.add(transaction);
+                }
+            }
+        return transactionList;
+    }
+
+    private void updateStopResponse(Transaction transaction) {
+        Response failureResponse = new Response();
+        failureResponse.setResponseMessage(ResponseMessage.FAILURE.getResponse());
+        Map<String,String> failureAction = new HashMap<>();
+        failureAction.put(ResponseAction.IGNORE.getAction(),Boolean.TRUE.toString());
+        failureResponse.setResponseAction(failureAction);
+        transaction.addResponse(failureResponse);
+    }
+    private boolean checkSingleTransaction(List<Vnfc> invVnfcList) {
+        int vServerCount=0;
+        for(Vnfc vnfc : invVnfcList) {
+            List<Vserver> vms = vnfc.getVserverList();
+            vServerCount=vServerCount+vms.size();
+        }
+        return vServerCount <= 1;
+    }
+
+    private List<Transaction> generateSequenceWithDependencyModel(VnfcFlowModel flowModel,SequenceGeneratorInput input){
+        List<Transaction> transactionList = new LinkedList<>();
+        Integer transactionId = 1;
+        List<Integer> transactionIds = new LinkedList<>();
+        Iterator<List<Vnfc>> itr = flowModel.getModelIterator();
+        while (itr.hasNext()){
+            List<Vnfc> vnfcs = itr.next();
+            for(Vnfc vnfc:vnfcs){
+                boolean stopApplicationSupported = readApplicationStopCapability(input);
+                if(stopApplicationSupported && !vnfc.getVserverList().isEmpty()){
+                    Transaction stopAppTransaction = new Transaction();
+                    stopAppTransaction.setTransactionId(transactionId++);
+                    stopAppTransaction.setAction(Action.STOP_APPLICATION.getActionType());
+                    stopAppTransaction.setActionLevel(ActionLevel.VNFC.getAction());
+                    ActionIdentifier stopActionIdentifier = new ActionIdentifier();
+                    stopActionIdentifier .setVnfcName(vnfc.getVnfcName());
+                    stopAppTransaction.setActionIdentifier(stopActionIdentifier );
+                    stopAppTransaction.setPayload(input.getRequestInfo().getPayload());
+                    updateStopResponse(stopAppTransaction);
+                    transactionList.add(stopAppTransaction);
+                }
+                List<Vserver> vms = vnfc.getVserverList();
+                for(Vserver vm:vms){
+                    Transaction transaction = new Transaction();
+                    transaction.setTransactionId(transactionId);
+                    transactionIds.add(transactionId++);
+                    transaction.setAction(Action.STOP.getActionType());
+                    transaction.setActionLevel(ActionLevel.VM.getAction());
+                    ActionIdentifier actionIdentifier = new ActionIdentifier();
+                    actionIdentifier.setvServerId(vm.getId());
+                    transaction.setActionIdentifier(actionIdentifier);
+                    transaction.setPayload(input.getRequestInfo().getPayload());
+
+                    updateStopResponse(transaction);
+                    transactionList.add(transaction);
+                }
+            }
+        }
+        return transactionList;
+    }
+
+    private VnfcFlowModel buildFlowModel(InventoryModel inventoryModel, VnfcDependencyModel dependencyModel, FlowStrategies flowStrategy) throws APPCException {
+        FlowBuilder flowBuilder = FlowBuilderFactory.getInstance().getFlowBuilder(flowStrategy);
+        if (flowBuilder == null) {
+            throw new APPCException("Flow Strategy not supported " + flowStrategy);
+        }
+        return flowBuilder.buildFlowModel(dependencyModel, inventoryModel);
+    }
+
+    private FlowStrategies readStopFlowStrategy(SequenceGeneratorInput sequenceGeneratorInput) throws APPCException {
+        Map<String, String> tunableParams = sequenceGeneratorInput.getTunableParams();
+        FlowStrategies strategy;
+        String strategyStr = null;
+        if (tunableParams != null) {
+            strategyStr = tunableParams.get(Constants.STRATEGY);
+            if (StringUtils.isBlank(strategyStr)) {
+                return FlowStrategies.REVERSE;
+            }
+            strategy = FlowStrategies.findByString(strategyStr);
+            if (strategy != null) {
+                return strategy;
+            }
+        }
+        throw new APPCException("Invalid Strategy " + strategyStr);
+    }
+    private boolean readApplicationStopCapability(SequenceGeneratorInput input) {
+        Map<String,List<String>> capability = input.getCapability();
+        if(capability!= null){
+            List<String> vnfcCapabilities = capability.get(Constants.CapabilityLevel.VNFC.getLevel());
+            if(vnfcCapabilities!=null)
+                return vnfcCapabilities.stream().anyMatch(p -> Capabilties.STOP_APPLICATION.getCapability().equalsIgnoreCase(p));
+        }
+        return false;
+    }
+
+
+}