Support PNF software upgrade workflow using SDNC LCM API

Issue-ID: SO-2589
Signed-off-by: Enbo Wang <wangenbo@huawei.com>
Change-Id: I4b6940c21b70eeeaf96e8781762cb7029572e7ae

6 files changed, 536 insertions, 20 deletions

diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/LcmControllerDE.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/LcmControllerDE.java
index 95e270a071..40034aa26c 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/LcmControllerDE.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/LcmControllerDE.java
@@ -24,7 +24,6 @@ import org.camunda.bpm.engine.delegate.DelegateExecution;
 import org.onap.so.bpmn.infrastructure.decisionpoint.api.ControllerContext;
 import org.onap.so.bpmn.infrastructure.decisionpoint.api.ControllerRunnable;
 import org.onap.so.bpmn.infrastructure.decisionpoint.api.controller.ControllerPreparable;
-import org.onap.so.client.appc.ApplicationControllerAction;
 import org.onap.so.client.exception.ExceptionBuilder;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -44,9 +43,6 @@ public abstract class LcmControllerDE implements ControllerRunnable<DelegateExec
     @Autowired
     protected List<ControllerPreparable<DelegateExecution>> prepareList;
 
-    @Autowired
-    protected ApplicationControllerAction client;
-
     @Override
     public void prepare(ControllerContext<DelegateExecution> context) {
         prepareList.stream().filter(prepare -> prepare.understand(context))
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/common/SoPropertyConstants.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/common/SoPropertyConstants.java
new file mode 100644
index 0000000000..badce18a51
--- /dev/null
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/common/SoPropertyConstants.java
@@ -0,0 +1,35 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2020 Huawei Technologies Co., Ltd. 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.so.bpmn.infrastructure.decisionpoint.impl.camunda.controller.common;
+
+public interface SoPropertyConstants {
+    String TARGET_SOFTWARE_VERSION = "targetSoftwareVersion";
+
+    String SO_ACTION = "action";
+    String SO_ACTION_MODE = "mode";
+
+    String ACTION_ACTIVATE_N_E_SW = "activateNESw";
+    String ACTION_DOWNLOAD_N_E_SW = "downloadNESw";
+    String ACTION_POST_CHECK = "postCheck";
+    String ACTION_PRE_CHECK = "preCheck";
+
+    String CONTROLLER_STATUS = "ControllerStatus";
+}
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/sdnc/SDNCLcmPayloadBuilder.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/sdnc/SDNCLcmPayloadBuilder.java
new file mode 100644
index 0000000000..b29009ff1d
--- /dev/null
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/sdnc/SDNCLcmPayloadBuilder.java
@@ -0,0 +1,153 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2020 Huawei Technologies Co., Ltd. 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.so.bpmn.infrastructure.decisionpoint.impl.camunda.controller.sdnc;
+
+import java.util.Arrays;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.camunda.bpm.engine.delegate.DelegateExecution;
+import org.onap.so.bpmn.core.json.JsonUtils;
+import org.onap.so.client.sdnc.lcm.beans.payload.*;
+import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.REQUEST_PAYLOAD;
+import org.onap.so.bpmn.infrastructure.decisionpoint.impl.camunda.controller.common.SoPropertyConstants;
+
+public class SDNCLcmPayloadBuilder {
+
+    private static Logger logger = LoggerFactory.getLogger(SDNCLcmPayloadBuilder.class);
+
+    public static ActivateNESwPayload buildActivateNESwPayload(DelegateExecution execution) {
+        String requestPayload = String.valueOf(execution.getVariable(REQUEST_PAYLOAD));
+
+        ActivateNESwPayload activateNESwPayload = new ActivateNESwPayload();
+
+        String ipaddressV4Oam = JsonUtils.getJsonValue(requestPayload, "ipaddressV4Oam");
+        activateNESwPayload.setIpaddressV4Oam(ipaddressV4Oam);
+
+        String targetSwVersion = String.valueOf(execution.getVariable(SoPropertyConstants.TARGET_SOFTWARE_VERSION));
+        if (targetSwVersion == null) {
+            targetSwVersion = JsonUtils.getJsonValue(requestPayload, "targetSwVersion");
+        }
+        activateNESwPayload.setSwVersionToBeActivated(targetSwVersion);
+
+        String playbookName = JsonUtils.getJsonValue(requestPayload, "activateNESwPlaybook");
+        if (playbookName != null) {
+            activateNESwPayload.setPlaybookName(playbookName);
+        }
+
+        return activateNESwPayload;
+    }
+
+    public static DownloadNESwPayload buildDownloadNESwPayload(DelegateExecution execution) {
+        String requestPayload = String.valueOf(execution.getVariable(REQUEST_PAYLOAD));
+
+        DownloadNESwPayload downloadNESwPayload = new DownloadNESwPayload();
+
+        String ipaddressV4Oam = JsonUtils.getJsonValue(requestPayload, "ipaddressV4Oam");
+        downloadNESwPayload.setIpaddressV4Oam(ipaddressV4Oam);
+
+        String swToBeDownloadedString = JsonUtils.getJsonValue(requestPayload, "swToBeDownloaded");
+        SwToBeDownloadedElement[] swToBeDownloadedArray;
+
+        ObjectMapper mapper = new ObjectMapper();
+        try {
+            swToBeDownloadedArray = mapper.readValue(swToBeDownloadedString, SwToBeDownloadedElement[].class);
+            downloadNESwPayload.setSwToBeDownloaded(Arrays.asList(swToBeDownloadedArray));
+        } catch (Exception e) {
+            logger.error("Parse SwToBeDownloaded error: ", e);
+        }
+
+        String playbookName = JsonUtils.getJsonValue(requestPayload, "downloadNESwPlaybook");
+        if (playbookName != null) {
+            downloadNESwPayload.setPlaybookName(playbookName);
+        }
+
+        return downloadNESwPayload;
+    }
+
+    public static UpgradePostCheckPayload buildUpgradePostCheckPayload(DelegateExecution execution) {
+        String requestPayload = String.valueOf(execution.getVariable(REQUEST_PAYLOAD));
+
+        UpgradePostCheckPayload upgradePostCheckPayload = new UpgradePostCheckPayload();
+
+        String ipaddressV4Oam = JsonUtils.getJsonValue(requestPayload, "ipaddressV4Oam");
+        upgradePostCheckPayload.setIpaddressV4Oam(ipaddressV4Oam);
+
+        String oldSwVersion = JsonUtils.getJsonValue(requestPayload, "oldSwVersion");
+        upgradePostCheckPayload.setOldSwVersion(oldSwVersion);
+
+        String targetSwVersion = String.valueOf(execution.getVariable(SoPropertyConstants.TARGET_SOFTWARE_VERSION));
+        if (targetSwVersion == null) {
+            targetSwVersion = JsonUtils.getJsonValue(requestPayload, "targetSwVersion");
+        }
+        upgradePostCheckPayload.setTargetSwVersion(targetSwVersion);
+
+        String ruleName = JsonUtils.getJsonValue(requestPayload, "postCheckRuleName");
+        upgradePostCheckPayload.setRuleName(ruleName);
+
+        String additionalData = JsonUtils.getJsonValue(requestPayload, "postCheckAdditionalData");
+        upgradePostCheckPayload.setAdditionalData(additionalData);
+
+        String playbookName = JsonUtils.getJsonValue(requestPayload, "postCheckPlaybook");
+        if (playbookName != null) {
+            upgradePostCheckPayload.setPlaybookName(playbookName);
+        }
+
+        return upgradePostCheckPayload;
+    }
+
+    public static UpgradePreCheckPayload buildUpgradePreCheckPayload(DelegateExecution execution) {
+        String requestPayload = String.valueOf(execution.getVariable(REQUEST_PAYLOAD));
+
+        UpgradePreCheckPayload upgradePreCheckPayload = new UpgradePreCheckPayload();
+
+        String ipaddressV4Oam = JsonUtils.getJsonValue(requestPayload, "ipaddressV4Oam");
+        upgradePreCheckPayload.setIpaddressV4Oam(ipaddressV4Oam);
+
+        String oldSwVersion = JsonUtils.getJsonValue(requestPayload, "oldSwVersion");
+        upgradePreCheckPayload.setOldSwVersion(oldSwVersion);
+
+        String targetSwVersion = String.valueOf(execution.getVariable(SoPropertyConstants.TARGET_SOFTWARE_VERSION));
+        if (targetSwVersion == null) {
+            targetSwVersion = JsonUtils.getJsonValue(requestPayload, "targetSwVersion");
+        }
+        upgradePreCheckPayload.setTargetSwVersion(targetSwVersion);
+
+        String ruleName = JsonUtils.getJsonValue(requestPayload, "preCheckRuleName");
+        upgradePreCheckPayload.setRuleName(ruleName);
+
+        String additionalData = JsonUtils.getJsonValue(requestPayload, "preCheckAdditionalData");
+        upgradePreCheckPayload.setAdditionalData(additionalData);
+
+        String playbookName = JsonUtils.getJsonValue(requestPayload, "preCheckPlaybook");
+        if (playbookName != null) {
+            upgradePreCheckPayload.setPlaybookName(playbookName);
+        }
+
+        return upgradePreCheckPayload;
+    }
+
+    public static String convertToSting(Object msgObject) throws JsonProcessingException {
+        ObjectMapper mapper = new ObjectMapper();
+        return mapper.writeValueAsString(msgObject);
+    }
+}
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/sdnc/SdncControllerDE.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/sdnc/SdncControllerDE.java
index db0d402f6e..ed865e058f 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/sdnc/SdncControllerDE.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/sdnc/SdncControllerDE.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2019 Nordix
+ *  Modifications Copyright (C) 2020 Huawei
  *  ================================================================================
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -19,16 +20,24 @@
 
 package org.onap.so.bpmn.infrastructure.decisionpoint.impl.camunda.controller.sdnc;
 
+import java.util.List;
+import java.util.UUID;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.springframework.stereotype.Component;
 import org.camunda.bpm.engine.delegate.DelegateExecution;
+import org.onap.so.bpmn.core.json.JsonUtils;
 import org.onap.so.bpmn.infrastructure.decisionpoint.api.ControllerContext;
+import org.onap.so.bpmn.infrastructure.decisionpoint.impl.camunda.controller.common.SoPropertyConstants;
 import org.onap.so.bpmn.infrastructure.decisionpoint.impl.camunda.controller.LcmControllerDE;
-import org.springframework.stereotype.Component;
+import org.onap.so.client.sdnc.common.SDNCConstants;
+import org.onap.so.client.sdnc.lcm.*;
+import org.onap.so.client.sdnc.lcm.beans.*;
+import org.onap.so.client.sdnc.lcm.beans.payload.*;
+import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.REQUEST_ID;
+import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.PNF_CORRELATION_ID;
+import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.REQUEST_PAYLOAD;
 
-/**
- * This class is created to demonstrate how to support {@link DelegateExecution} API based SDNC controller.
- *
- * Function wise, it's similar to the Appc Controller, like in the AppcClient groovy code.
- */
 @Component
 public class SdncControllerDE extends LcmControllerDE {
 
@@ -44,14 +53,33 @@ public class SdncControllerDE extends LcmControllerDE {
         return true;
     }
 
-    /**
-     * This method is left empty intentionally. If you are planning to use the SDNC Controller, please implement here.
-     *
-     * You can use the {@ref ApplicationControllerAction}, {@ref ApplicationControllerOrchestrator},
-     * {@ref ApplicationControllerClient} or create your own SDNC Client proxy.
-     */
     @Override
     protected int callLcmClient(ControllerContext<DelegateExecution> context) {
+        DelegateExecution execution = context.getExecution();
+
+        logger.debug("Running activity for id: {}, name: {}", execution.getCurrentActivityId(),
+                execution.getCurrentActivityName());
+
+        boolean result;
+        try {
+            LcmInput lcmInput = buildLcmInput(execution);
+            if (lcmInput != null) {
+                result = sendLcmRequest(execution, lcmInput);
+            } else {
+                logger.error("Build LCM Input error");
+                result = false;
+            }
+        } catch (Exception e) {
+            logger.error("Call SDNC LCM Client failure: ", e);
+            result = false;
+        }
+
+        if (result) {
+            execution.setVariable(SoPropertyConstants.CONTROLLER_STATUS, "Success");
+        } else {
+            execution.setVariable(SoPropertyConstants.CONTROLLER_STATUS, "Failure");
+        }
+
         return 0;
     }
 
@@ -59,4 +87,177 @@ public class SdncControllerDE extends LcmControllerDE {
     protected int getErrorCode() {
         return SDNC_DELEGATE_EXECUTION_ERROR_CODE;
     }
+
+    private LcmOutput sendSyncRequest(String operation, LcmInput lcmInput) {
+        SDNCLcmClientBuilder sdncLcmClientBuilder = new SDNCLcmClientBuilder();
+        SDNCLcmRestClient sdncLcmRestClient;
+        try {
+            sdncLcmRestClient = sdncLcmClientBuilder.newSDNCLcmRestClient(operation);
+        } catch (SDNCLcmClientBuilderException e) {
+            logger.error("Create SDNCLcmRestClient error: ", e);
+            return null;
+        }
+
+        return sdncLcmRestClient.sendRequest(lcmInput);
+    }
+
+    private LcmOutput selectLcmOutputFromDmaapResponses(List<LcmDmaapResponse> lcmDmaapResponses, LcmInput lcmInput) {
+        String expectedCorrelationId =
+                lcmInput.getCommonHeader().getRequestId() + "-" + lcmInput.getCommonHeader().getSubRequestId();
+
+        for (LcmDmaapResponse lcmDmaapResponse : lcmDmaapResponses) {
+            String correlationId = lcmDmaapResponse.getCorrelationId();
+            if (expectedCorrelationId.equals(correlationId)) {
+                return lcmDmaapResponse.getBody().getOutput();
+            }
+        }
+
+        return null;
+    }
+
+    private LcmOutput sendAsyncRequest(String operation, LcmInput lcmInput) {
+        SDNCLcmClientBuilder sdncLcmClientBuilder = new SDNCLcmClientBuilder();
+        SDNCLcmDmaapClient sdncLcmDmaapClient;
+        try {
+            sdncLcmDmaapClient = sdncLcmClientBuilder.newSDNCLcmDmaapClient();
+        } catch (SDNCLcmClientBuilderException e) {
+            logger.error("Create SDNCLcmDmaapClient error: ", e);
+            return null;
+        }
+
+        LcmDmaapRequest lcmDmaapRequest = SDNCLcmMessageBuilder.buildLcmDmaapRequest(operation, lcmInput);
+        try {
+            sdncLcmDmaapClient.sendRequest(lcmDmaapRequest);
+        } catch (Exception e) {
+            logger.error("SDNCLcmDmaapClient sends request error: ", e);
+            return null;
+        }
+
+        long timeout = sdncLcmClientBuilder.getSDNCLcmProperties().getActionTimeout();
+        long startTime = System.currentTimeMillis();
+        while (true) {
+            List<LcmDmaapResponse> lcmDmaapResponses = sdncLcmDmaapClient.getResponse();
+            if (lcmDmaapResponses.size() > 0) {
+                LcmOutput lcmOutput = selectLcmOutputFromDmaapResponses(lcmDmaapResponses, lcmInput);
+                if (lcmOutput != null) {
+                    return lcmOutput;
+                }
+            }
+
+            long stopTime = System.currentTimeMillis();
+            if ((stopTime - startTime) > timeout) {
+                logger.error("Timeout for SDNC LCM action {}", lcmInput.getAction());
+                return null;
+            }
+        }
+    }
+
+    public static String toLowerHyphen(String lcmAction) {
+        String regex = "([a-z0-9A-Z])(?=[A-Z])";
+        String replacement = "$1-";
+        return lcmAction.replaceAll(regex, replacement).toLowerCase();
+    }
+
+    private LcmInput buildLcmInput(DelegateExecution execution) throws JsonProcessingException {
+        String requestId = String.valueOf(execution.getVariable(REQUEST_ID));
+        String requestAction = String.valueOf(execution.getVariable(SoPropertyConstants.SO_ACTION));
+        String pnfName = String.valueOf(execution.getVariable(PNF_CORRELATION_ID));
+        logger.debug(String.format("requestId: %s, action: %s, pnfName: %s", requestId, requestAction, pnfName));
+
+        String requestPayload = String.valueOf(execution.getVariable(REQUEST_PAYLOAD));
+        logger.debug("SO request payload: " + requestPayload);
+
+        String lcmAction;
+        String lcmPayload;
+
+        switch (requestAction) {
+            case SoPropertyConstants.ACTION_PRE_CHECK:
+                lcmAction = SDNCLcmActionConstants.UPGRADE_PRE_CHECK;
+
+                UpgradePreCheckPayload upgradePreCheckPayload;
+                upgradePreCheckPayload = SDNCLcmPayloadBuilder.buildUpgradePreCheckPayload(execution);
+                lcmPayload = SDNCLcmPayloadBuilder.convertToSting(upgradePreCheckPayload);
+                break;
+            case SoPropertyConstants.ACTION_DOWNLOAD_N_E_SW:
+                lcmAction = SDNCLcmActionConstants.DOWNLOAD_N_E_SW;
+
+                DownloadNESwPayload downloadNESwPayload;
+                downloadNESwPayload = SDNCLcmPayloadBuilder.buildDownloadNESwPayload(execution);
+                lcmPayload = SDNCLcmPayloadBuilder.convertToSting(downloadNESwPayload);
+                break;
+            case SoPropertyConstants.ACTION_ACTIVATE_N_E_SW:
+                lcmAction = SDNCLcmActionConstants.ACTIVATE_N_E_SW;
+
+                ActivateNESwPayload activateNESwPayload;
+                activateNESwPayload = SDNCLcmPayloadBuilder.buildActivateNESwPayload(execution);
+                lcmPayload = SDNCLcmPayloadBuilder.convertToSting(activateNESwPayload);
+                break;
+            case SoPropertyConstants.ACTION_POST_CHECK:
+                lcmAction = SDNCLcmActionConstants.UPGRADE_POST_CHECK;
+
+                UpgradePostCheckPayload upgradePostCheckPayload;
+                upgradePostCheckPayload = SDNCLcmPayloadBuilder.buildUpgradePostCheckPayload(execution);
+                lcmPayload = SDNCLcmPayloadBuilder.convertToSting(upgradePostCheckPayload);
+                break;
+            default:
+                logger.error("Unsupported SO Action: " + requestAction);
+                return null;
+        }
+
+        logger.debug("SDNC LCM payload for {}: {}", lcmAction, lcmPayload);
+
+        String subRequestId = UUID.randomUUID().toString();
+        LcmInput lcmInput =
+                SDNCLcmMessageBuilder.buildLcmInputForPnf(requestId, subRequestId, pnfName, lcmAction, lcmPayload);
+
+        ObjectMapper mapper = new ObjectMapper();
+        String lcmInputMsg = mapper.writeValueAsString(lcmInput);
+        logger.debug("SDNC input message:\n" + lcmInputMsg);
+
+        return lcmInput;
+    }
+
+    private boolean parseLcmOutput(LcmOutput lcmOutput, String lcmAction) {
+        if (lcmOutput == null) {
+            logger.error("Call SDNC LCM API failure");
+            return false;
+        }
+
+        LcmStatus lcmStatus = lcmOutput.getStatus();
+
+        if (lcmStatus.getCode() == SDNCConstants.LCM_OUTPUT_SUCCESS_CODE) {
+            logger.debug("Call SDNC LCM API success: " + lcmStatus.getMessage());
+        } else {
+            logger.error("Call SDNC LCM API failure: " + lcmStatus.getMessage());
+        }
+
+        String outputPayload = lcmOutput.getPayload();
+        logger.debug("SDNC LCM action: {}, result: {}", lcmAction, outputPayload);
+        if (outputPayload != null) {
+            String result = JsonUtils.getJsonValue(outputPayload, "result");
+            if ("Success".equals(result)) {
+                logger.debug("Run SDNC LCM action {} success", lcmAction);
+                return true;
+            } else {
+                String reason = JsonUtils.getJsonValue(outputPayload, "reason");
+                logger.error("Run SDNC LCM action {} failure, reason: {}", lcmAction, reason);
+            }
+        }
+
+        return false;
+    }
+
+    private boolean sendLcmRequest(DelegateExecution execution, LcmInput lcmInput) {
+        String actionMode = String.valueOf(execution.getVariable(SoPropertyConstants.SO_ACTION_MODE));
+        String lcmOperation = toLowerHyphen(lcmInput.getAction());
+
+        LcmOutput lcmOutput;
+        if ("async".equals(actionMode)) {
+            lcmOutput = sendAsyncRequest(lcmOperation, lcmInput);
+        } else {
+            lcmOutput = sendSyncRequest(lcmOperation, lcmInput);
+        }
+
+        return parseLcmOutput(lcmOutput, lcmInput.getAction());
+    }
 }
diff --git a/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/sdnc/SDNCLcmPayloadBuilderTest.java b/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/sdnc/SDNCLcmPayloadBuilderTest.java
new file mode 100644
index 0000000000..61f2ee3432
--- /dev/null
+++ b/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/sdnc/SDNCLcmPayloadBuilderTest.java
@@ -0,0 +1,135 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2020 Huawei Technologies Co., Ltd. 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.so.bpmn.infrastructure.decisionpoint.impl.camunda.controller.sdnc;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import org.camunda.bpm.engine.delegate.DelegateExecution;
+import org.junit.Before;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.junit.runner.RunWith;
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+import static org.mockito.Mockito.when;
+import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.REQUEST_PAYLOAD;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.onap.so.bpmn.infrastructure.decisionpoint.impl.camunda.controller.common.SoPropertyConstants;
+import org.onap.so.client.sdnc.lcm.beans.payload.*;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+public class SDNCLcmPayloadBuilderTest {
+    private static Logger logger = LoggerFactory.getLogger(SDNCLcmPayloadBuilderTest.class);
+
+    protected static String payload = "{" + "\"ipaddressV4Oam\": \"192.168.1.10\"," + "\"oldSwVersion\": \"v1\","
+            + "\"preCheckRuleName\": \"r101\"," + "\"preCheckAdditionalData\": \"{}\","
+            + "\"preCheckPlaybook\": \"precheck_playbook\"," + "\"swToBeDownloaded\": \"[{"
+            + "\\\"swLocation\\\": \\\"http://192.168.1.20/test.zip\\\"," + "\\\"swFileSize\\\": 123456,"
+            + "\\\"swFileCompression\\\": \\\"ZIP\\\"," + "\\\"swFileFormat\\\": \\\"binary\\\"}]\","
+            + "\"downloadNESwPlaybook\": \"downloadnesw_playbook\","
+            + "\"activateNESwPlaybook\": \"activatenesw_playbook\"," + "\"postCheckRuleName\": \"r102\","
+            + "\"postCheckAdditionalData\": \"{}\"," + "\"postCheckPlaybook\": \"postcheck_playbook\"" + "}";
+    protected String targetSoftwareVersion = "v2";
+
+    @MockBean
+    private DelegateExecution execution;
+
+    public static String getRequestPayload() {
+        return payload;
+    }
+
+    @Before
+    public void setUp() {
+        when(execution.getVariable(REQUEST_PAYLOAD)).thenReturn(payload);
+        when(execution.getVariable(SoPropertyConstants.TARGET_SOFTWARE_VERSION)).thenReturn(targetSoftwareVersion);
+    }
+
+
+    @Test
+    public final void testBuildActivateNESwPayload() {
+        String expectedPayload = "{" + "\"ipaddress-v4-oam\":\"192.168.1.10\","
+                + "\"playbook-name\":\"activatenesw_playbook\"," + "\"swVersionToBeActivated\":\"v2\"" + "}";
+
+        ActivateNESwPayload activateNESwPayload = SDNCLcmPayloadBuilder.buildActivateNESwPayload(execution);
+        try {
+            String payload = SDNCLcmPayloadBuilder.convertToSting(activateNESwPayload);
+            logger.debug("ActivateNESwPayload:\n" + payload);
+
+            assertEquals(expectedPayload, payload);
+        } catch (JsonProcessingException e) {
+            fail("Convert ActivateNESwPayload to String error: " + e.toString());
+        }
+    }
+
+    @Test
+    public final void testBuildDownloadNESwPayload() {
+        String expectedSwToBeDownloadedElement = "{" + "\"swLocation\":\"http://192.168.1.20/test.zip\","
+                + "\"swFileSize\":123456," + "\"swFileCompression\":\"ZIP\"," + "\"swFileFormat\":\"binary\"" + "}";
+        String expectedPayload =
+                "{" + "\"ipaddress-v4-oam\":\"192.168.1.10\"," + "\"playbook-name\":\"downloadnesw_playbook\","
+                        + "\"swToBeDownloaded\":[" + expectedSwToBeDownloadedElement + "]" + "}";
+
+        DownloadNESwPayload downloadNESwPayload = SDNCLcmPayloadBuilder.buildDownloadNESwPayload(execution);
+        try {
+            String payload = SDNCLcmPayloadBuilder.convertToSting(downloadNESwPayload);
+            logger.debug("DownloadNESwPayload:\n" + payload);
+
+            assertEquals(expectedPayload, payload);
+        } catch (JsonProcessingException e) {
+            fail("Convert DownloadNESwPayload to String error: " + e.toString());
+        }
+    }
+
+    @Test
+    public final void testBuildUpgradePostCheckPayload() {
+        String expectedPayload = "{" + "\"ipaddress-v4-oam\":\"192.168.1.10\","
+                + "\"playbook-name\":\"postcheck_playbook\"," + "\"oldSwVersion\":\"v1\","
+                + "\"targetSwVersion\":\"v2\"," + "\"ruleName\":\"r102\"," + "\"additionalData\":\"{}\"" + "}";
+
+        UpgradePostCheckPayload upgradePostCheckPayload = SDNCLcmPayloadBuilder.buildUpgradePostCheckPayload(execution);
+        try {
+            String payload = SDNCLcmPayloadBuilder.convertToSting(upgradePostCheckPayload);
+            logger.debug("UpgradePostCheckPayload:\n" + payload);
+
+            assertEquals(expectedPayload, payload);
+        } catch (JsonProcessingException e) {
+            fail("Convert UpgradePostCheckPayload to String error: " + e.toString());
+        }
+    }
+
+    @Test
+    public final void testBuildUpgradePreCheckPayload() {
+        String expectedPayload = "{" + "\"ipaddress-v4-oam\":\"192.168.1.10\","
+                + "\"playbook-name\":\"precheck_playbook\"," + "\"oldSwVersion\":\"v1\","
+                + "\"targetSwVersion\":\"v2\"," + "\"ruleName\":\"r101\"," + "\"additionalData\":\"{}\"" + "}";
+
+        UpgradePreCheckPayload upgradePreCheckPayload = SDNCLcmPayloadBuilder.buildUpgradePreCheckPayload(execution);
+        try {
+            String payload = SDNCLcmPayloadBuilder.convertToSting(upgradePreCheckPayload);
+            logger.debug("UpgradePreCheckPayload:\n" + payload);
+
+            assertEquals(expectedPayload, payload);
+        } catch (JsonProcessingException e) {
+            fail("Convert UpgradePreCheckPayload to String error: " + e.toString());
+        }
+    }
+}
diff --git a/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/sdnc/SdncControllerDETest.java b/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/sdnc/SdncControllerDETest.java
index 674167624e..02c7dca9ae 100644
--- a/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/sdnc/SdncControllerDETest.java
+++ b/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/decisionpoint/impl/camunda/controller/sdnc/SdncControllerDETest.java
@@ -28,7 +28,6 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.onap.so.bpmn.infrastructure.decisionpoint.api.ControllerContext;
 import org.onap.so.bpmn.infrastructure.decisionpoint.api.controller.ControllerPreparable;
-import org.onap.so.client.appc.ApplicationControllerAction;
 import org.onap.so.client.exception.ExceptionBuilder;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.mock.mockito.MockBean;
@@ -48,9 +47,6 @@ public class SdncControllerDETest {
     @MockBean
     private ControllerPreparable<DelegateExecution> preparable;
 
-    @MockBean
-    protected ApplicationControllerAction client;
-
     @Before
     public void setUp() {
         when(controllerContext.getControllerActor()).thenReturn("sdnc");