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authortragait <rahul.tyagi@est.tech>2020-07-07 12:00:52 +0100
committerRahul Tyagi <rahul.tyagi@est.tech>2020-07-30 15:12:08 +0000
commit4529f2a4fca2c1846408f274d6feb1cd32f5a847 (patch)
treeba5466edfa8b1df11ef2612d3fd1648100249857 /bpmn/so-bpmn-tasks
parent2bfa3106bdf29f55460cf43f76c22c442988b047 (diff)
[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 <rahul.tyagi@est.tech> Change-Id: Idffcbf78809c33dd7a059bc87962716d0a9cd81c Signed-off-by: tragait <rahul.tyagi@est.tech>
Diffstat (limited to 'bpmn/so-bpmn-tasks')
-rw-r--r--bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/flowspecific/tasks/GenericPnfDispatcher.java174
1 files changed, 174 insertions, 0 deletions
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<Map<String, Object>> userParams = bpmnRequestDetails.getRequestParameters().getUserParams();
+ final Pnf pnf = getPnfByPnfName(delegateExecution, pnfName);
+ final List<PnfResourceCustomization> 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<Map<String, Object>> 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<String, Object> 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<Pnf> 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<PnfResourceCustomization> getPnfResourceCustomizations(DelegateExecution delegateExecution,
+ String serviceModelUuid) {
+ List<PnfResourceCustomization> 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);
+ }
+}