From 4529f2a4fca2c1846408f274d6feb1cd32f5a847 Mon Sep 17 00:00:00 2001 From: tragait Date: Tue, 7 Jul 2020 12:00:52 +0100 Subject: [SO] create generic pnf healthcheck workflow This commit implements workflow for pnf health check and its respective test cases. Issue-ID: SO-3018 Signed-off-by: tragait Change-Id: Idffcbf78809c33dd7a059bc87962716d0a9cd81c Signed-off-by: tragait --- .../flowspecific/tasks/GenericPnfDispatcher.java | 174 +++++++++++++++++++++ 1 file changed, 174 insertions(+) create mode 100644 bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/flowspecific/tasks/GenericPnfDispatcher.java (limited to 'bpmn/so-bpmn-tasks/src/main/java') diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/flowspecific/tasks/GenericPnfDispatcher.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/flowspecific/tasks/GenericPnfDispatcher.java new file mode 100644 index 0000000000..72a8590ad5 --- /dev/null +++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/flowspecific/tasks/GenericPnfDispatcher.java @@ -0,0 +1,174 @@ +/*- + * ============LICENSE_START======================================================= + * Copyright (C) 2020 Nordix Foundation. + * ================================================================================ + * 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. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.so.bpmn.infrastructure.flowspecific.tasks; + +import com.fasterxml.jackson.databind.ObjectMapper; +import org.camunda.bpm.engine.delegate.DelegateExecution; +import org.camunda.bpm.engine.delegate.JavaDelegate; +import org.onap.aai.domain.yang.Pnf; +import org.onap.so.bpmn.core.json.JsonUtils; +import org.onap.so.bpmn.infrastructure.pnf.management.PnfManagement; +import org.onap.so.client.exception.ExceptionBuilder; +import org.onap.so.db.catalog.beans.PnfResourceCustomization; +import org.onap.so.db.catalog.client.CatalogDbClient; +import org.onap.so.serviceinstancebeans.RequestDetails; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.stereotype.Component; +import java.io.IOException; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.*; + +/** + * This implementation of {@link JavaDelegate} is used to populate the execution object for pnf actions + */ +@Component +public class GenericPnfDispatcher implements JavaDelegate { + + private final Logger logger = LoggerFactory.getLogger(getClass()); + private static final String SERVICE_INSTANCE_NAME = "serviceInstanceName"; + private static final String BPMN_REQUEST = "bpmnRequest"; + private static final String RESOURCE_CUSTOMIZATION_UUID_PARAM = "resource_customization_uuid"; + private static final String PNF_NAME = "pnfName"; + + // ERROR CODE for variable not found in the delegation Context + private static final int ERROR_CODE = 601; + + @Autowired + private PnfManagement pnfManagement; + + @Autowired + private ExceptionBuilder exceptionUtil; + + @Autowired + private CatalogDbClient catalogDbClient; + + @Autowired + private ObjectMapper mapper; + + @Override + public void execute(DelegateExecution delegateExecution) throws Exception { + logger.debug("Running execute block for activity id: {}, name: {}", delegateExecution.getCurrentActivityId(), + delegateExecution.getCurrentActivityName()); + + RequestDetails bpmnRequestDetails = requestVerification(delegateExecution); + + final String serviceInstanceName = bpmnRequestDetails.getRequestInfo().getInstanceName(); + final String pnfName; + if (delegateExecution.getVariable(PNF_NAME) == null + || String.valueOf(delegateExecution.getVariable(PNF_NAME)).trim().isEmpty()) { + pnfName = bpmnRequestDetails.getRequestParameters().getUserParamValue(PNF_NAME); + } else { + pnfName = String.valueOf(delegateExecution.getVariable(PNF_NAME)); + } + final String serviceModelUuid = bpmnRequestDetails.getModelInfo().getModelUuid(); + final List> userParams = bpmnRequestDetails.getRequestParameters().getUserParams(); + final Pnf pnf = getPnfByPnfName(delegateExecution, pnfName); + final List pnfCustomizations = + getPnfResourceCustomizations(delegateExecution, serviceModelUuid); + final PnfResourceCustomization pnfResourceCustomization = pnfCustomizations.get(0); + final String payload = bpmnRequestDetails.getRequestParameters().getPayload(); + + populateExecution(delegateExecution, bpmnRequestDetails, pnfResourceCustomization, pnf, serviceInstanceName, + pnfName, serviceModelUuid, userParams, payload); + + logger.trace("Completed dispatcher request for PNF."); + } + + private RequestDetails requestVerification(DelegateExecution delegateExecution) throws IOException { + RequestDetails bpmnRequestDetails = mapper.readValue( + JsonUtils.getJsonValue(String.valueOf(delegateExecution.getVariable(BPMN_REQUEST)), "requestDetails"), + RequestDetails.class); + + throwIfNull(delegateExecution, bpmnRequestDetails.getModelInfo(), SERVICE_MODEL_INFO); + throwIfNull(delegateExecution, bpmnRequestDetails.getRequestInfo(), "RequestInfo"); + throwIfNull(delegateExecution, bpmnRequestDetails.getRequestParameters(), "RequestParameters"); + throwIfNull(delegateExecution, bpmnRequestDetails.getRequestParameters().getUserParams(), "UserParams"); + + return bpmnRequestDetails; + } + + private void populateExecution(DelegateExecution delegateExecution, RequestDetails bpmnRequestDetails, + PnfResourceCustomization pnfResourceCustomization, Pnf pnf, String serviceInstanceName, String pnfName, + String serviceModelUuid, List> userParams, String payload) { + + delegateExecution.setVariable(SERVICE_MODEL_INFO, bpmnRequestDetails.getModelInfo()); + delegateExecution.setVariable(SERVICE_INSTANCE_NAME, serviceInstanceName); + delegateExecution.setVariable(PNF_CORRELATION_ID, pnfName); + delegateExecution.setVariable(MODEL_UUID, serviceModelUuid); + delegateExecution.setVariable(PNF_UUID, pnf.getPnfId()); + delegateExecution.setVariable(PRC_BLUEPRINT_NAME, pnfResourceCustomization.getBlueprintName()); + delegateExecution.setVariable(PRC_BLUEPRINT_VERSION, pnfResourceCustomization.getBlueprintVersion()); + delegateExecution.setVariable(PRC_CUSTOMIZATION_UUID, pnfResourceCustomization.getModelCustomizationUUID()); + delegateExecution.setVariable(RESOURCE_CUSTOMIZATION_UUID_PARAM, + pnfResourceCustomization.getModelCustomizationUUID()); + delegateExecution.setVariable(PRC_INSTANCE_NAME, pnfResourceCustomization.getModelInstanceName()); + delegateExecution.setVariable(PRC_CONTROLLER_ACTOR, pnfResourceCustomization.getControllerActor()); + + for (Map param : userParams) { + if (param.containsKey("name") && param.containsKey("value")) { + delegateExecution.setVariable(param.get("name").toString(), param.get("value").toString()); + } + } + + delegateExecution.setVariable(REQUEST_PAYLOAD, payload); + } + + private Pnf getPnfByPnfName(DelegateExecution delegateExecution, String pnfName) { + Optional pnfOptional = Optional.empty(); + try { + pnfOptional = pnfManagement.getEntryFor(pnfName); + } catch (IOException e) { + throwExceptionWithWarn(delegateExecution, "Unable to fetch from AAI" + e.getMessage()); + } + if (!pnfOptional.isPresent()) { + throwExceptionWithWarn(delegateExecution, "AAI entry for PNF: " + pnfName + " does not exist"); + } + return pnfOptional.get(); + } + + private List getPnfResourceCustomizations(DelegateExecution delegateExecution, + String serviceModelUuid) { + List pnfCustomizations = + catalogDbClient.getPnfResourceCustomizationByModelUuid(serviceModelUuid); + + if (pnfCustomizations == null || pnfCustomizations.isEmpty()) { + throwExceptionWithWarn(delegateExecution, + "Unable to find the PNF resource customizations of model service UUID: " + serviceModelUuid); + } + return pnfCustomizations; + } + + private void throwIfNull(DelegateExecution delegateExecution, Object obj, String param) { + if (obj == null) { + throwExceptionWithWarn(delegateExecution, + "Unable to find the parameter: " + param + " in the execution context"); + } + } + + private void throwExceptionWithWarn(DelegateExecution delegateExecution, String exceptionMsg) { + logger.warn(exceptionMsg); + exceptionUtil.buildAndThrowWorkflowException(delegateExecution, ERROR_CODE, exceptionMsg); + } +} -- cgit 1.2.3-korg