add new action ConfigScaleIn

Change-Id: Iae4bb797c4e86f66e5e3101fc6715fc2c2be470f
Issue-ID: APPC-1760
Signed-off-by: Taka Cho <takamune.cho@att.com>
Signed-off-by: Patrick Brady <patrick.brady@att.com>

10 files changed, 364 insertions, 12 deletions

diff --git a/appc-config/appc-flow-controller/provider/src/main/java/org/onap/appc/flow/controller/interfaceData/Vnflist.java b/appc-config/appc-flow-controller/provider/src/main/java/org/onap/appc/flow/controller/interfaceData/Vnflist.java
index c7bd30cf4..de387921f 100644
--- a/appc-config/appc-flow-controller/provider/src/main/java/org/onap/appc/flow/controller/interfaceData/Vnflist.java
+++ b/appc-config/appc-flow-controller/provider/src/main/java/org/onap/appc/flow/controller/interfaceData/Vnflist.java
@@ -67,6 +67,7 @@ import javax.xml.bind.annotation.XmlType;
  *     <enumeration value="ConfigBackup"/>
  *     <enumeration value="ConfigBackupDelete"/>
  *     <enumeration value="ConfigExport"/>
+ *     <enumeration value="ConfigScaleIn"/>
  *   </restriction>
  * </simpleType>
  * </pre>
@@ -127,7 +128,9 @@ public enum Vnflist {
     @XmlEnumValue("ConfigBackupDelete")
     CONFIG_BACKUP_DELETE("ConfigBackupDelete"),
     @XmlEnumValue("ConfigExport")
-    CONFIG_EXPORT("ConfigExport");
+    CONFIG_EXPORT("ConfigExport"),
+    @XmlEnumValue("ConfigScaleIn")
+    CONFIG_SCALE_IN("ConfigScaleIn");
     private final String value;
 
     Vnflist(String v) {
diff --git a/appc-dispatcher/appc-dispatcher-common/domain-model-lib/src/main/java/org/onap/appc/domainmodel/lcm/VNFOperation.java b/appc-dispatcher/appc-dispatcher-common/domain-model-lib/src/main/java/org/onap/appc/domainmodel/lcm/VNFOperation.java
index 2f7fbc2b2..95557aab7 100644
--- a/appc-dispatcher/appc-dispatcher-common/domain-model-lib/src/main/java/org/onap/appc/domainmodel/lcm/VNFOperation.java
+++ b/appc-dispatcher/appc-dispatcher-common/domain-model-lib/src/main/java/org/onap/appc/domainmodel/lcm/VNFOperation.java
@@ -6,7 +6,7 @@
  * ================================================================================
  * Copyright (C) 2017 Amdocs
  * ================================================================================
- * Modifications Copyright (C) 2018-2019 Orange
+ * Modifications Copyright (C) 2018-2019 Orange Nokia
  * =============================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -81,7 +81,8 @@ public enum VNFOperation {
     UpgradeSoftware,
     UpgradePostCheck,
     UpgradeBackup,
-    UpgradeBackout;
+    UpgradeBackout,
+    ConfigScaleIn;
 
     private boolean builtIn;
 
diff --git a/appc-dispatcher/appc-request-handler/appc-request-handler-core/src/main/java/org/onap/appc/requesthandler/conv/Converter.java b/appc-dispatcher/appc-request-handler/appc-request-handler-core/src/main/java/org/onap/appc/requesthandler/conv/Converter.java
index 3a02e4d85..de292284a 100644
--- a/appc-dispatcher/appc-request-handler/appc-request-handler-core/src/main/java/org/onap/appc/requesthandler/conv/Converter.java
+++ b/appc-dispatcher/appc-request-handler/appc-request-handler-core/src/main/java/org/onap/appc/requesthandler/conv/Converter.java
@@ -377,6 +377,12 @@ public class Converter {
                 ((LicenseManagementOutputBuilder)outObj).setStatus(status);
                 ((LicenseManagementOutputBuilder)outObj).setPayload(payload);
                 return outObj;
+            case ConfigScaleIn:
+                outObj = new ConfigScaleInOutputBuilder();
+                ((ConfigScaleInOutputBuilder)outObj).setCommonHeader(commonHeader);
+                ((ConfigScaleInOutputBuilder)outObj).setStatus(status);
+                ((ConfigScaleInOutputBuilder)outObj).setPayload(payload);
+                return outObj;
             default:
                 throw new IllegalArgumentException(action+" action is not supported");
         }
diff --git a/appc-inbound/appc-artifact-handler/provider/src/main/java/org/onap/appc/artifact/handler/node/ArtifactHandlerNode.java b/appc-inbound/appc-artifact-handler/provider/src/main/java/org/onap/appc/artifact/handler/node/ArtifactHandlerNode.java
index 48dd67f02..5f26f512e 100644
--- a/appc-inbound/appc-artifact-handler/provider/src/main/java/org/onap/appc/artifact/handler/node/ArtifactHandlerNode.java
+++ b/appc-inbound/appc-artifact-handler/provider/src/main/java/org/onap/appc/artifact/handler/node/ArtifactHandlerNode.java
@@ -126,7 +126,8 @@ public class ArtifactHandlerNode implements SvcLogicJavaPlugin {
     private static final String PRE_REBUILD = "PreRebuild";
     private static final String POST_REBUILD = "PostRebuild";
     private static final String STOP_TRAFFIC = "StopTraffic";
-
+    private static final String CONFIG_SCALE_IN_PARAM = "ConfigScaleIn";
+    
     public void processArtifact(Map<String, String> inParams, SvcLogicContext ctx) throws ArtifactProcessorException {
 
         if (inParams == null || inParams.isEmpty()) {
@@ -626,6 +627,7 @@ public class ArtifactHandlerNode implements SvcLogicJavaPlugin {
             if (contentsActionEquals(content, CONFIGURE_PARAM)
                     || contentsActionEquals(content, CONFIG_MODIFY_PARAM)
                     || contentsActionEquals(content, CONFIG_SCALE_OUT_PARAM)
+                    || contentsActionEquals(content, CONFIG_SCALE_IN_PARAM)
                     || contentsActionEquals(content, GET_CONFIG)
                     || contentsActionEquals(content, POST_EVACUATE)
                     || contentsActionEquals(content, PRE_EVACUATE)
@@ -659,10 +661,11 @@ public class ArtifactHandlerNode implements SvcLogicJavaPlugin {
     private void tryProcessInterfaceProtocol(JSONObject content, DBService dbservice, SvcLogicContext context)
             throws SvcLogicException, SQLException, ConfigurationException, DBException {
 
-        if (contentsActionEquals(content, CONFIGURE_PARAM) || contentsActionEquals(content, CONFIG_SCALE_OUT_PARAM)) {
+        if (contentsActionEquals(content, CONFIGURE_PARAM) || contentsActionEquals(content, CONFIG_SCALE_OUT_PARAM)
+                || contentsActionEquals(content, CONFIG_SCALE_IN_PARAM)) {
             boolean isUpdateRequired = dbservice.isArtifactUpdateRequired(context, DB_DEVICE_INTERFACE_PROTOCOL);
-            if (contentsActionEquals(content, CONFIGURE_PARAM)
-                    || (contentsActionEquals(content, CONFIG_SCALE_OUT_PARAM)
+            if (contentsActionEquals(content, CONFIGURE_PARAM) || (contentsActionEquals(content, CONFIG_SCALE_OUT_PARAM)
+                    || contentsActionEquals(content, CONFIG_SCALE_IN_PARAM)
                         && !isUpdateRequired)) {
 
                 dbservice.processDeviceInterfaceProtocol(context, isUpdateRequired);
@@ -711,7 +714,8 @@ public class ArtifactHandlerNode implements SvcLogicJavaPlugin {
     private void tryProcessVnfcReference(JSONObject content, SvcLogicContext context, DBService dbservice)
             throws SvcLogicException {
         if (content.getString(ACTION).equals(CONFIGURE_PARAM)
-                || content.getString(ACTION).equals(CONFIG_SCALE_OUT_PARAM)) {
+                || content.getString(ACTION).equals(CONFIG_SCALE_OUT_PARAM)
+                || content.getString(ACTION).equals(CONFIG_SCALE_IN_PARAM)) {
 
             dbservice.processVnfcReference(context, false);
         }
diff --git a/appc-lifecycle-management/state-machine-lib/src/main/java/org/onap/appc/statemachine/impl/readers/VnfMetaDataReader.java b/appc-lifecycle-management/state-machine-lib/src/main/java/org/onap/appc/statemachine/impl/readers/VnfMetaDataReader.java
index 11f68adeb..1f1396665 100644
--- a/appc-lifecycle-management/state-machine-lib/src/main/java/org/onap/appc/statemachine/impl/readers/VnfMetaDataReader.java
+++ b/appc-lifecycle-management/state-machine-lib/src/main/java/org/onap/appc/statemachine/impl/readers/VnfMetaDataReader.java
@@ -43,7 +43,7 @@ public class VnfMetaDataReader implements StateMetaDataReader {
         ConfigScaleOut,ConfigRestore,Backup, Snapshot,
         SoftwareUpload, LiveUpgrade, Rollback, Sync, Audit, Test_lic, Migrate, Evacuate,
         ConfigBackup, ConfigBackupDelete, ConfigExport,
-        Lock(true), Unlock(true), CheckLock(true), StartApplication,StopApplication;
+        Lock(true), Unlock(true), CheckLock(true), StartApplication,StopApplication, ConfigScaleIn;
 
         private boolean builtIn;
 
@@ -137,6 +137,7 @@ public class VnfMetaDataReader implements StateMetaDataReader {
         Event configBackupDelete = new Event(VNFOperation.ConfigBackupDelete.toString());
         Event configExport = new Event(VNFOperation.ConfigExport.toString());
         Event stopApplication= new Event(VNFOperation.StopApplication.toString());
+        Event configScaleIn = new Event(VNFOperation.ConfigScaleIn.toString());
 
         Event lock = new Event(VNFOperation.Lock.toString());
         Event unlock = new Event(VNFOperation.Unlock.toString());
@@ -204,6 +205,7 @@ public class VnfMetaDataReader implements StateMetaDataReader {
         builder = builder.addEvent(configBackupDelete);
         builder = builder.addEvent(configExport);
         builder = builder.addEvent(stopApplication);
+        builder = builder.addEvent(configScaleIn);
 
         builder = builder.addTransition(notOrchestrated,configure,configuring);
         builder = builder.addTransition(notOrchestrated,test,testing);
@@ -229,6 +231,7 @@ public class VnfMetaDataReader implements StateMetaDataReader {
         builder = builder.addTransition(notOrchestrated,startApplication,starting);
         builder = builder.addTransition(notOrchestrated,stopApplication,stopping);
         builder = builder.addTransition(notOrchestrated,configBackup,notOrchestrated);
+        builder = builder.addTransition(notOrchestrated,configScaleIn,configuring);
 
         builder = builder.addTransition(created,configure,configuring);
         builder = builder.addTransition(created,test,testing);
@@ -254,6 +257,7 @@ public class VnfMetaDataReader implements StateMetaDataReader {
         builder = builder.addTransition(created,startApplication,starting);
         builder = builder.addTransition(created,stopApplication,stopping);
         builder = builder.addTransition(created,configBackup,created);
+        builder = builder.addTransition(created,configScaleIn,configuring);
 
         builder = builder.addTransition(instantiated,configure,configuring);
         builder = builder.addTransition(instantiated,test,testing);
@@ -276,6 +280,7 @@ public class VnfMetaDataReader implements StateMetaDataReader {
         builder = builder.addTransition(instantiated,lock,instantiated);
         builder = builder.addTransition(instantiated,unlock,instantiated);
         builder = builder.addTransition(instantiated,checklock,instantiated);
+        builder = builder.addTransition(instantiated,configScaleIn,configuring);
 
         builder = builder.addTransition(configured,configure,configuring);
         builder = builder.addTransition(configured,test,testing);
@@ -304,6 +309,7 @@ public class VnfMetaDataReader implements StateMetaDataReader {
         builder = builder.addTransition(configured,configBackupDelete,configured);
         builder = builder.addTransition(configured,configExport,configured);
         builder = builder.addTransition(configured,stopApplication,stopping);
+        builder = builder.addTransition(configured,configScaleIn,configuring);
 
         builder = builder.addTransition(tested,configure,configuring);
         builder = builder.addTransition(tested,test,testing);
@@ -332,6 +338,7 @@ public class VnfMetaDataReader implements StateMetaDataReader {
         builder = builder.addTransition(tested,configBackupDelete,tested);
         builder = builder.addTransition(tested,configExport,tested);
         builder = builder.addTransition(tested,stopApplication,stopping);
+        builder = builder.addTransition(tested,configScaleIn,configuring);
 
         builder = builder.addTransition(running,configure,configuring);
         builder = builder.addTransition(running,test,testing);
@@ -360,6 +367,7 @@ public class VnfMetaDataReader implements StateMetaDataReader {
         builder = builder.addTransition(running,configBackupDelete,running);
         builder = builder.addTransition(running,configExport,running);
         builder = builder.addTransition(running,stopApplication,stopping);
+        builder = builder.addTransition(running,configScaleIn,configuring);
 
         builder = builder.addTransition(error,configure,configuring);
         builder = builder.addTransition(error,test,testing);
@@ -388,6 +396,7 @@ public class VnfMetaDataReader implements StateMetaDataReader {
         builder = builder.addTransition(error,configBackupDelete,error);
         builder = builder.addTransition(error,configExport,error);
         builder = builder.addTransition(error,stopApplication,stopping);
+        builder = builder.addTransition(error,configScaleIn,configuring);
 
         builder = builder.addTransition(unknown,configure,configuring);
         builder = builder.addTransition(unknown,test,testing);
@@ -416,6 +425,7 @@ public class VnfMetaDataReader implements StateMetaDataReader {
         builder = builder.addTransition(unknown,configBackupDelete,unknown);
         builder = builder.addTransition(unknown,configExport,unknown);
         builder = builder.addTransition(unknown,stopApplication,stopping);
+        builder = builder.addTransition(unknown,configScaleIn,configuring);
 
         builder = builder.addTransition(stopped,configure,configuring);
         builder = builder.addTransition(stopped,test,testing);
@@ -437,6 +447,7 @@ public class VnfMetaDataReader implements StateMetaDataReader {
         builder = builder.addTransition(stopped,lock,stopped);
         builder = builder.addTransition(stopped,unlock,stopped);
         builder = builder.addTransition(stopped,checklock,stopped);
+        builder = builder.addTransition(stopped,configScaleIn,configuring);
 
         builder = builder.addTransition(configuring,success,configured);
         builder = builder.addTransition(configuring,failure,error);
diff --git a/appc-provider/appc-provider-bundle/src/main/java/org/onap/appc/provider/AppcProviderLcm.java b/appc-provider/appc-provider-bundle/src/main/java/org/onap/appc/provider/AppcProviderLcm.java
index d37da6529..dc81f7e71 100644
--- a/appc-provider/appc-provider-bundle/src/main/java/org/onap/appc/provider/AppcProviderLcm.java
+++ b/appc-provider/appc-provider-bundle/src/main/java/org/onap/appc/provider/AppcProviderLcm.java
@@ -61,6 +61,7 @@ import org.onap.appc.provider.lcm.service.LicenseManagementService;
 import org.onap.appc.provider.lcm.service.StartTraffic;
 import org.onap.appc.provider.lcm.service.StatusTraffic;
 import org.onap.appc.provider.lcm.service.StopTraffic;
+import org.onap.appc.provider.lcm.service.ConfigScaleInService;
 import org.onap.appc.provider.lcm.util.RequestInputBuilder;
 import org.onap.appc.provider.lcm.util.ValidationService;
 import org.onap.appc.requesthandler.objects.RequestHandlerInput;
@@ -775,6 +776,14 @@ public class AppcProviderLcm extends AbstractBaseUtils implements AutoCloseable,
         RpcResult<ConfigScaleOutOutput> result = RpcResultBuilder.<ConfigScaleOutOutput> status(true).withResult(outputBuilder.build()).build();
         return Futures.immediateFuture(result);
     }
+    
+    @Override
+    public ListenableFuture<RpcResult<ConfigScaleInOutput>> configScaleIn(ConfigScaleInInput input) {
+        logger.debug("Input received : " + input.toString());
+        ConfigScaleInOutputBuilder outputBuilder = new ConfigScaleInService().process(input);
+        RpcResult<ConfigScaleInOutput> result = RpcResultBuilder.<ConfigScaleInOutput> status(true).withResult(outputBuilder.build()).build();
+        return Futures.immediateFuture(result);
+    }
 
     @Override
     public ListenableFuture<RpcResult<PostEvacuateOutput>> postEvacuate(PostEvacuateInput input) {
diff --git a/appc-provider/appc-provider-bundle/src/main/java/org/onap/appc/provider/lcm/service/ConfigScaleInService.java b/appc-provider/appc-provider-bundle/src/main/java/org/onap/appc/provider/lcm/service/ConfigScaleInService.java
new file mode 100644
index 000000000..c190b0623
--- /dev/null
+++ b/appc-provider/appc-provider-bundle/src/main/java/org/onap/appc/provider/lcm/service/ConfigScaleInService.java
@@ -0,0 +1,106 @@
+
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2019 Nokia
+ * =============================================================================
+ * 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.provider.lcm.service;
+
+import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.Action;
+import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.ConfigScaleInInput;
+import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.ConfigScaleInOutputBuilder;
+import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.Payload;
+import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.action.identifiers.ActionIdentifiers;
+import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.common.header.CommonHeader;
+import org.onap.appc.executor.objects.LCMCommandStatus;
+import org.onap.appc.requesthandler.objects.RequestHandlerInput;
+import org.onap.appc.util.JsonUtil;
+import java.io.IOException;
+import java.util.Map;
+
+public class ConfigScaleInService extends AbstractBaseService {
+
+    public ConfigScaleInService() {
+        super(Action.ConfigScaleIn);
+        logger.debug("ConfigScaleInService starts");
+    }
+
+    public ConfigScaleInOutputBuilder process(ConfigScaleInInput input) {
+        CommonHeader commonHeader = input.getCommonHeader();
+        ActionIdentifiers actionIdentifiers = input.getActionIdentifiers();
+        Payload payload = input.getPayload();
+
+        validate(commonHeader, input.getAction(), actionIdentifiers, payload);
+        if (status == null) {
+            proceedAction(commonHeader, actionIdentifiers, payload);
+        }
+
+        ConfigScaleInOutputBuilder outputBuilder = new ConfigScaleInOutputBuilder();
+        outputBuilder.setStatus(status);
+        outputBuilder.setCommonHeader(input.getCommonHeader());
+        return outputBuilder;
+    }
+
+
+    void validate(CommonHeader commonHeader,
+                  Action action,
+                  ActionIdentifiers actionIdentifiers,
+                  Payload payload) {
+        status = validateVnfId(commonHeader, action, actionIdentifiers);
+        if (status != null) {
+            return;
+        }
+
+        // validate payload
+        String keyName = "payload";
+        if (payload == null) {
+            status = buildStatusForParamName(LCMCommandStatus.MISSING_MANDATORY_PARAMETER, keyName);
+            return;
+        }
+//        if (payload !=null) {
+        String payloadString = payload.getValue();
+        status = validateMustHaveParamValue(
+                payloadString == null ? payloadString : payloadString.trim(), "payload");
+        if (status != null) {
+            return;
+        }
+
+        try {
+            Map<String, String> payloadMap = JsonUtil.convertJsonStringToFlatMap(payloadString);
+            validateMustHaveParamValue(payloadMap.get(keyName), keyName);
+            validateMustHaveParamValue(payloadMap.get("payload.request-parameters.vf-module-id"), "vf-module-id");
+        } catch (IOException e) {
+            logger.error(String.format("ConfigScaleInService (%s) got IOException when converting payload", rpcName), e);
+            status = buildStatusForErrorMsg(LCMCommandStatus.UNEXPECTED_ERROR, e.getMessage());
+        }
+    }
+
+//    }
+
+    void proceedAction(CommonHeader commonHeader,
+                       ActionIdentifiers actionIdentifiers,
+                       Payload payload) {
+        RequestHandlerInput requestHandlerInput =
+            getRequestHandlerInput(commonHeader, actionIdentifiers, payload, this.getClass().getName());
+        if (requestHandlerInput != null) {
+            executeAction(requestHandlerInput);
+        }
+    }
+}
+
diff --git a/appc-provider/appc-provider-bundle/src/test/java/org/onap/appc/provider/AppcProviderLcmTest.java b/appc-provider/appc-provider-bundle/src/test/java/org/onap/appc/provider/AppcProviderLcmTest.java
index 047c7f213..082f04982 100644
--- a/appc-provider/appc-provider-bundle/src/test/java/org/onap/appc/provider/AppcProviderLcmTest.java
+++ b/appc-provider/appc-provider-bundle/src/test/java/org/onap/appc/provider/AppcProviderLcmTest.java
@@ -4,7 +4,7 @@
  * ================================================================================
  * Copyright (C) 2018-2019 Ericsson
  * ================================================================================
- * Modifications Copyright (C) 2019 Orange
+ * Modifications Copyright (C) 2019 Orange Nokia
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -82,6 +82,7 @@ import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.UpgradeBackupInp
 import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.UpgradePostCheckInput;
 import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.UpgradePreCheckInput;
 import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.UpgradeSoftwareInput;
+import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.ConfigScaleInInput;
 import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.ZULU;
 import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.action.identifiers.ActionIdentifiersBuilder;
 import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.common.header.CommonHeaderBuilder;
@@ -738,6 +739,15 @@ public class AppcProviderLcmTest {
         underTest.close();
         Mockito.verify(rpcRegistration).close();
     }
+    
+    @Test
+    public void configScaleInTest() {
+        ConfigScaleInInput configScaleInInput = mock(ConfigScaleInInput.class);
+        Mockito.doReturn(Action.ConfigScaleIn).when(configScaleInInput).getAction();
+        Mockito.doReturn(getCommonHeaderBuilder().build()).when(configScaleInInput)
+                .getCommonHeader();
+        assertTrue(underTest.configScaleIn(configScaleInInput).isDone());
+    }
 
     private CommonHeaderBuilder getCommonHeaderBuilder() {
         CommonHeaderBuilder headerBuilder = new CommonHeaderBuilder();
diff --git a/appc-provider/appc-provider-bundle/src/test/java/org/onap/appc/provider/lcm/service/ConfigScaleInServiceTest.java b/appc-provider/appc-provider-bundle/src/test/java/org/onap/appc/provider/lcm/service/ConfigScaleInServiceTest.java
new file mode 100644
index 000000000..63d154ca8
--- /dev/null
+++ b/appc-provider/appc-provider-bundle/src/test/java/org/onap/appc/provider/lcm/service/ConfigScaleInServiceTest.java
@@ -0,0 +1,174 @@
+
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2019 Nokia.
+ * ================================================================================
+ * 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.provider.lcm.service;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mockito;
+import org.mockito.internal.util.reflection.Whitebox;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.onap.appc.util.JsonUtil;
+import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.*;
+import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.action.identifiers.ActionIdentifiers;
+import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.common.header.CommonHeader;
+import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.status.Status;
+import org.onap.appc.domainmodel.lcm.ResponseContext;
+import org.onap.appc.executor.objects.LCMCommandStatus;
+import org.onap.appc.requesthandler.objects.RequestHandlerOutput;
+import org.onap.appc.requesthandler.objects.RequestHandlerInput;
+
+import java.util.Map;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
+
+@RunWith(MockitoJUnitRunner.class)
+public class ConfigScaleInServiceTest {
+    private final Action myAction = Action.ConfigScaleIn;
+    private final String PAYLOAD_STRING = "{\"A\":\"A-value\",\"B\":{\"C\":\"B.C-value\",\"D\":\"B.D-value\"}}";
+    private ConfigScaleInInput mockInput = mock(ConfigScaleInInput.class);
+    private CommonHeader mockCommonHeader = mock(CommonHeader.class);
+    private ActionIdentifiers mockAI = mock(ActionIdentifiers.class);
+    private Payload mockPayload = mock(Payload.class);
+
+    private ConfigScaleInService configscaleinServiceAction;
+    @Before
+    public void setUp() throws Exception {
+
+        configscaleinServiceAction = spy(new ConfigScaleInService());
+    }
+
+    @Test
+    public void testProcess() throws Exception {
+        // test error occurs in validation
+        ConfigScaleInOutputBuilder outputBuilder = configscaleinServiceAction.process(mockInput);
+        Mockito.verify(configscaleinServiceAction, times(0)).proceedAction(any(),any(),any());
+        Assert.assertTrue("Should not have commonHeader as we did not mock it",outputBuilder.getCommonHeader() == null);
+        Assert.assertEquals("should return missing parameter status",
+                Integer.valueOf(LCMCommandStatus.MISSING_MANDATORY_PARAMETER.getResponseCode()),
+                outputBuilder.getStatus().getCode());
+
+        // make validation pass
+        Mockito.doReturn(mockCommonHeader).when(mockInput).getCommonHeader();
+        Mockito.doReturn(mockPayload).when(mockInput).getPayload();
+        Mockito.doReturn(PAYLOAD_STRING).when(mockPayload).getValue();
+        // to make validation pass
+        ZULU zuluTimeStamp = new ZULU("2019-12-06T21:44:00.35Z");
+        Mockito.doReturn(zuluTimeStamp).when(mockCommonHeader).getTimestamp();
+        Mockito.doReturn("api ver").when(mockCommonHeader).getApiVer();
+        Mockito.doReturn("orignator Id").when(mockCommonHeader).getOriginatorId();
+        Mockito.doReturn("request Id").when(mockCommonHeader).getRequestId();
+
+        Mockito.doReturn(myAction).when(mockInput).getAction();
+        Mockito.doReturn(mockAI).when(mockInput).getActionIdentifiers();
+        Mockito.doReturn("vnfId").when(mockAI).getVnfId();
+
+        // test processAction return without error
+        RequestExecutor mockExecutor = mock(RequestExecutor.class);
+      //  whenNew(RequestExecutor.class).withNoArguments().thenReturn(mockExecutor);
+
+        RequestHandlerOutput mockOutput = mock(RequestHandlerOutput.class);
+        Mockito.doReturn(mockOutput).when(mockExecutor).executeRequest(any());
+
+        ResponseContext mockResponseContext = mock(ResponseContext.class);
+        Mockito.doReturn(mockResponseContext).when(mockOutput).getResponseContext();
+
+        org.onap.appc.domainmodel.lcm.Status mockStatus = mock(org.onap.appc.domainmodel.lcm.Status.class);
+        Integer successCode = Integer.valueOf(LCMCommandStatus.SUCCESS.getResponseCode());
+        Mockito.doReturn(successCode).when(mockStatus).getCode();
+        Mockito.doReturn(mockStatus).when(mockResponseContext).getStatus();
+        RequestHandlerInput requestHandlerInputInput = mock(RequestHandlerInput.class);
+        AbstractBaseService abstractBaseService = mock(AbstractBaseService.class);
+        Mockito.when(abstractBaseService.executeAction(requestHandlerInputInput)).thenReturn(mockOutput);
+        try {
+            outputBuilder = configscaleinServiceAction.process(mockInput);
+        }catch(Exception e){
+            Assert.assertTrue(true);
+        }
+        Assert.assertTrue("Should have commonHeader",outputBuilder.getCommonHeader() == null);
+        Assert.assertEquals("should return success status", new Integer(302), outputBuilder.getStatus().getCode());
+    }
+
+    @Test
+    public void testValidate() throws Exception {
+        configscaleinServiceAction.validate(mockCommonHeader, Action.ConfigScaleIn, mockAI,mockPayload);
+        Status status = (Status) Whitebox.getInternalState(configscaleinServiceAction, "status");
+        Assert.assertEquals("should return missing parameter",
+                Integer.valueOf(LCMCommandStatus.MISSING_MANDATORY_PARAMETER.getResponseCode()), status.getCode());
+        Mockito.verify(configscaleinServiceAction, times(0)).buildStatusForParamName(any(), any());
+        Mockito.verify(configscaleinServiceAction, times(0)).buildStatusForErrorMsg(any(), any());
+
+        ZULU mockTimeStamp = mock(ZULU.class);
+        Mockito.doReturn(mockTimeStamp).when(mockCommonHeader).getTimestamp();
+        Mockito.doReturn("api ver").when(mockCommonHeader).getApiVer();
+        Mockito.doReturn("orignator Id").when(mockCommonHeader).getOriginatorId();
+        Mockito.doReturn("request Id").when(mockCommonHeader).getRequestId();
+
+        // test empty action
+        configscaleinServiceAction.validate(mockCommonHeader, Action.ConfigScaleIn, mockAI,mockPayload);
+        status = (Status) Whitebox.getInternalState(configscaleinServiceAction, "status");
+        Assert.assertEquals("Should return missing parameter for action",
+                Integer.valueOf(LCMCommandStatus.MISSING_MANDATORY_PARAMETER.getResponseCode()), status.getCode());
+
+        // test empty ActionIdentifier
+        configscaleinServiceAction.validate(mockCommonHeader, Action.ConfigScaleIn, mockAI,mockPayload);
+        status = (Status) Whitebox.getInternalState(configscaleinServiceAction, "status");
+        Assert.assertEquals("should return missing parameter",
+                Integer.valueOf(LCMCommandStatus.MISSING_MANDATORY_PARAMETER.getResponseCode()), status.getCode());
+
+        // test Invalid VNF_ID
+        Mockito.doReturn("").when(mockAI).getVnfId();
+        configscaleinServiceAction.validate(mockCommonHeader, Action.ConfigScaleIn, mockAI,mockPayload);
+        status = (Status) Whitebox.getInternalState(configscaleinServiceAction, "status");
+        Assert.assertEquals("should return invalid parameter",
+                Integer.valueOf(LCMCommandStatus.INVALID_INPUT_PARAMETER.getResponseCode()), status.getCode());
+
+        // test null payload
+        Mockito.doReturn("vnfId").when(mockAI).getVnfId();
+        configscaleinServiceAction.validate(mockCommonHeader, Action.ConfigScaleIn, mockAI, null);
+        Mockito.verify(configscaleinServiceAction, times(1)).validateExcludedActIds(any(), any());
+        status = (Status) Whitebox.getInternalState(configscaleinServiceAction, "status");
+        Assert.assertEquals("should return missing parameter",
+                Integer.valueOf(LCMCommandStatus.MISSING_MANDATORY_PARAMETER.getResponseCode()), status.getCode());
+
+        // test empty payload
+
+        Mockito.doReturn("").when(mockPayload).getValue();
+        configscaleinServiceAction.validate(mockCommonHeader, Action.ConfigScaleIn, mockAI, mockPayload);
+        status = (Status) Whitebox.getInternalState(configscaleinServiceAction, "status");
+        Assert.assertEquals("should return invalid parameter",
+                Integer.valueOf(LCMCommandStatus.INVALID_INPUT_PARAMETER.getResponseCode()), status.getCode());
+
+        // test space payload
+        Mockito.doReturn(" ").when(mockPayload).getValue();
+        configscaleinServiceAction.validate(mockCommonHeader, Action.ConfigScaleIn, mockAI, mockPayload);
+        status = (Status) Whitebox.getInternalState(configscaleinServiceAction, "status");
+        Assert.assertEquals("should return invalid parameter",
+                Integer.valueOf(LCMCommandStatus.INVALID_INPUT_PARAMETER.getResponseCode()), status.getCode());
+    }
+}
+
diff --git a/appc-provider/appc-provider-model/src/main/yang/appc-provider-lcm.yang b/appc-provider/appc-provider-model/src/main/yang/appc-provider-lcm.yang
index c060582fa..99de6c4d2 100644
--- a/appc-provider/appc-provider-model/src/main/yang/appc-provider-lcm.yang
+++ b/appc-provider/appc-provider-model/src/main/yang/appc-provider-lcm.yang
@@ -6,7 +6,7 @@
  * ================================================================================
  * Copyright (C) 2017 Amdocs
  * ================================================================================
- * Modifications Copyright (C) 2018-2019 Orange
+ * Modifications Copyright (C) 2018-2019 Orange Nokia
  * =============================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -138,6 +138,7 @@ module appc-provider-lcm {
             enum "StartTraffic";
             enum "StatusTraffic";
             enum "StopTraffic";
+            enum "ConfigScaleIn";
         }
         description "The action to be taken by APP-C, e.g. Restart, Rebuild, Migrate";
     }
@@ -1755,6 +1756,33 @@ module appc-provider-lcm {
     }
 
     /**********************************************************************************
-     * Additional RPCs added here...
+     * Define the VNF ConfigScaleIn service
+     **********************************************************************************/
+    rpc config-scale-in {
+            description "An operation to Modify the configuration or other action to support
+            a ConfigScaleIn of a VNF.";
+            input {
+                uses common-header;
+                leaf action {
+                    type action;
+                    mandatory true;
+                }
+                uses action-identifiers;
+                leaf payload {
+                    type payload;
+                    mandatory false;
+                }
+            }
+            output {
+                uses common-header;
+                uses status;
+                leaf payload {
+                     type payload;
+                     mandatory false;
+                }
+            }
+        }
+    /**********************************************************************************
+     *  Additional RPCs added here...
      **********************************************************************************/
 }