From feb5d0d4d4ba80857b059776d5e85049a10fa34e Mon Sep 17 00:00:00 2001 From: rameshiyer27 Date: Wed, 24 Jun 2020 09:44:13 +0100 Subject: Delegate class for service level preparation BB - Fetches the health check workflow name based on the scope - Validates the parameters required for health check - Invokes the health check workflow . Issue-ID: SO-2989 Signed-off-by: zrrmmua Change-Id: Idc2fc78de9b59af3c7c1c075d7a3ff2a2e1b721a --- .../level/AbstractServiceLevelPreparable.java | 81 ++++++++++++++++++++++ .../level/impl/ServiceLevelPreparation.java | 77 ++++++++++++++++++++ 2 files changed, 158 insertions(+) create mode 100644 bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/service/level/AbstractServiceLevelPreparable.java create mode 100644 bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/service/level/impl/ServiceLevelPreparation.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/service/level/AbstractServiceLevelPreparable.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/service/level/AbstractServiceLevelPreparable.java new file mode 100644 index 0000000000..36db549486 --- /dev/null +++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/service/level/AbstractServiceLevelPreparable.java @@ -0,0 +1,81 @@ +/*- + * ============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.service.level; + +import org.camunda.bpm.engine.delegate.DelegateExecution; +import org.onap.so.client.exception.ExceptionBuilder; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.beans.factory.annotation.Autowired; +import java.util.ArrayList; +import java.util.List; + +/** + * Abstract class for Service level upgrade Execution, it should be extended for service level upgrade tasks. + */ +public abstract class AbstractServiceLevelPreparable { + + protected static final String WORKFLOW_TO_INVOKE = "healthCheckWorkflow"; + protected static final String GENERIC_PNF_HEALTH_CHECK_WORKFLOW = "GenericPnfHealthCheck"; + protected static final String GENERIC_PNF_SOFTWARE_UPGRADE_WORKFLOW = "GenericPnfSoftwareUpgrade"; + protected static final String RESOURCE_TYPE = "RESOURCE_TYPE"; + protected static final int ERROR_CODE = 601; + + // TODO This value needs to be updated once vnf health check workflow is available + protected static final String GENERIC_VNF_HEALTH_CHECK_WORKFLOW = "GenericVNFHealthCheck"; + + protected static final Logger LOG = LoggerFactory.getLogger(AbstractServiceLevelPreparable.class); + + @Autowired + protected ExceptionBuilder exceptionBuilder; + + /** + * This method fetches workflow names to be invoked based on the controller scope . + * + * @param scope Controller scope + * @return String value of Workflow name + */ + protected abstract String fetchWorkflowUsingScope(DelegateExecution execution, final String scope); + + /** + * This method validates the execution parameters to be passed for health check workflow. + * + * @param execution Delegate execution obj + * @param scope Controller scope * Throws workflow exception if validation fails + */ + protected void validateParamsWithScope(DelegateExecution execution, final String scope, List params) + throws Exception { + List invalidVariables = new ArrayList<>(); + for (String param : params) { + if (!execution.hasVariable(param) || execution.getVariable(param) == null + || String.valueOf(execution.getVariable(param)).isEmpty()) { + invalidVariables.add(param); + } + } + if (invalidVariables.size() > 0) { + LOG.error("Validation error for the {} health check attributes: {}", scope, invalidVariables); + exceptionBuilder.buildAndThrowWorkflowException(execution, ERROR_CODE, + "Validation of health check workflow parameters failed for the scope: " + scope); + } + + } + +} diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/service/level/impl/ServiceLevelPreparation.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/service/level/impl/ServiceLevelPreparation.java new file mode 100644 index 0000000000..52521ce16b --- /dev/null +++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/service/level/impl/ServiceLevelPreparation.java @@ -0,0 +1,77 @@ +/*- + * ============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.service.level.impl; + +import org.camunda.bpm.engine.delegate.DelegateExecution; +import org.camunda.bpm.engine.delegate.JavaDelegate; +import org.onap.so.bpmn.infrastructure.service.level.AbstractServiceLevelPreparable; +import org.springframework.stereotype.Component; +import java.util.Arrays; +import java.util.List; + + +/** + * Fetches health check workflow based on the controller_scope. Invoke the corresponding health check workflow after + * validation. + */ +@Component("ServiceLevelPreparation") +public class ServiceLevelPreparation extends AbstractServiceLevelPreparable implements JavaDelegate { + + // Health check parameters to be validated for pnf resource + private static final List PNF_HC_PARAMS = Arrays.asList("SERVICE_MODEL_INFO", "SERVICE_INSTANCE_NAME", + "PNF_CORRELATION_ID", "MODEL_UUID", "PNF_UUID", "PRC_BLUEPRINT_NAME", "PRC_BLUEPRINT_VERSION", + "PRC_CUSTOMIZATION_UUID", "RESOURCE_CUSTOMIZATION_UUID_PARAM", "PRC_INSTANCE_NAME", "PRC_CONTROLLER_ACTOR", + "REQUEST_PAYLOAD"); + + @Override + public void execute(DelegateExecution execution) throws Exception { + if (execution.hasVariable(RESOURCE_TYPE) && execution.getVariable(RESOURCE_TYPE) != null) { + final String controllerScope = (String) execution.getVariable(RESOURCE_TYPE); + LOG.debug("Scope retrieved from delegate execution: " + controllerScope); + final String wflName = fetchWorkflowUsingScope(execution, controllerScope); + LOG.debug("Health check workflow fetched for the scope: {}", wflName); + validateParamsWithScope(execution, controllerScope, PNF_HC_PARAMS); + LOG.info("Parameters validated successfully for {}", wflName); + execution.setVariable(WORKFLOW_TO_INVOKE, wflName); + } else { + exceptionBuilder.buildAndThrowWorkflowException(execution, ERROR_CODE, + "Controller scope not found to invoke resource level health check"); + } + } + + @Override + public String fetchWorkflowUsingScope(DelegateExecution execution, final String scope) { + String wflName = null; + switch (scope.toLowerCase()) { + case "pnf": + wflName = GENERIC_PNF_HEALTH_CHECK_WORKFLOW; + break; + case "vnf": + wflName = GENERIC_VNF_HEALTH_CHECK_WORKFLOW; + break; + default: + exceptionBuilder.buildAndThrowWorkflowException(execution, ERROR_CODE, + "No valid health check work flow retrieved for the scope: " + scope); + } + return wflName; + } + +} -- cgit 1.2.3-korg