catalog-be/src/main/java/org/openecomp/sdc/be/components/validation/ServiceDistributionValidation.java

   1 package org.openecomp.sdc.be.components.validation;
   2
   3 import fj.data.Either;
   4 import org.apache.commons.lang.StringUtils;
   5 import org.openecomp.sdc.be.components.distribution.engine.IDistributionEngine;
   6 import org.openecomp.sdc.be.components.impl.ActivationRequestInformation;
   7 import org.openecomp.sdc.be.dao.api.ActionStatus;
   8 import org.openecomp.sdc.be.datatypes.enums.EnvironmentStatusEnum;
   9 import org.openecomp.sdc.be.externalapi.servlet.representation.ServiceDistributionReqInfo;
  10 import org.openecomp.sdc.be.impl.ComponentsUtils;
  11 import org.openecomp.sdc.be.model.Component;
  12 import org.openecomp.sdc.be.model.LifecycleStateEnum;
  13 import org.openecomp.sdc.be.model.Service;
  14 import org.openecomp.sdc.be.model.User;
  15 import org.openecomp.sdc.be.model.jsontitan.operations.ToscaOperationFacade;
  16 import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
  17 import org.openecomp.sdc.be.resources.data.OperationalEnvironmentEntry;
  18 import org.openecomp.sdc.exception.ResponseFormat;
  19 import org.slf4j.Logger;
  20 import org.slf4j.LoggerFactory;
  21
  22 import javax.annotation.Resource;
  23 import java.util.Arrays;
  24 import java.util.List;
  25
  26 /**
  27  * Created by chaya on 10/18/2017.
  28  */
  29 @org.springframework.stereotype.Component("serviceDistributionValidation")
  30 public class ServiceDistributionValidation {
  31     private static final Logger log = LoggerFactory.getLogger(ServiceDistributionValidation.class);
  32     @Resource
  33     private ComponentsUtils componentsUtils;
  34     @Resource
  35     private ToscaOperationFacade toscaOperationFacade;
  36     @Resource
  37     private UserValidations userValidations;
  38     @Resource
  39     private IDistributionEngine distributionEngine;
  40
  41     public Either<ActivationRequestInformation, ResponseFormat> validateActivateServiceRequest(String serviceUUID, String opEnvId, User modifier, ServiceDistributionReqInfo data) {
  42         try {
  43             validateUserExists(modifier.getUserId());
  44             Service serviceToActivate = validateServiceExists(serviceUUID);
  45             validateDistributionServiceLifeCycleState(serviceToActivate);
  46             OperationalEnvironmentEntry operationalEnvironmentEntry = validateOperationalEnvExists(opEnvId);
  47             String workloadContext = validateWorkloadContext(data);
  48             ActivationRequestInformation activationRequestInformation = new ActivationRequestInformation(serviceToActivate, workloadContext, operationalEnvironmentEntry.getTenant());
  49             return Either.left(activationRequestInformation);
  50         } catch (ValidationException e) {
  51             log.error("failed while validating activate service UUID {} request. error {}", serviceUUID, e.getExceptionResponseFormat(), e);
  52             return Either.right(e.getExceptionResponseFormat());
  53         }
  54     }
  55
  56     private Service validateServiceExists(String serviceUUID) {
  57         if (StringUtils.isEmpty(serviceUUID.trim())) {
  58             ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.BAD_REQUEST_MISSING_RESOURCE);
  59             throw new ValidationException(responseFormat);
  60         }
  61         Either<Component, StorageOperationStatus> latestComponentByUuid = toscaOperationFacade.getLatestServiceByUuid(serviceUUID);
  62         if (latestComponentByUuid.isRight()) {
  63             log.error("failed retrieving service {}", serviceUUID);
  64             ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.API_RESOURCE_NOT_FOUND, ApiResourceEnum.SERVICE_ID.getValue());
  65             throw new ValidationException(responseFormat);
  66         }
  67         return (Service)latestComponentByUuid.left().value();
  68     }
  69
  70     private String validateWorkloadContext(ServiceDistributionReqInfo data) {
  71         String workloadContext = data.getWorkloadContext();
  72         if (workloadContext == null || workloadContext.isEmpty()) {
  73             log.error("workload context does not exist on data to distribute");
  74             ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.MISSING_BODY);
  75             throw new ValidationException(responseFormat);
  76         }
  77         return workloadContext;
  78     }
  79
  80     private OperationalEnvironmentEntry validateOperationalEnvExists(String opEnvId) {
  81         if (StringUtils.isEmpty(opEnvId.trim())) {
  82             ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.BAD_REQUEST_MISSING_RESOURCE);
  83             throw new ValidationException(responseFormat);
  84         }
  85         OperationalEnvironmentEntry operationalEnvironment = distributionEngine.getEnvironmentById(opEnvId);
  86         if (operationalEnvironment == null) {
  87             return failOnEnvNotExist(opEnvId);
  88         }
  89         if (!operationalEnvironment.getStatus().equals(EnvironmentStatusEnum.COMPLETED.getName())) {
  90             log.error("the operational environment is not ready to receive distributions. environment status: {}", operationalEnvironment.getStatus());
  91             ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.API_RESOURCE_NOT_FOUND , ApiResourceEnum.ENVIRONMENT_ID.getValue());
  92             throw new ValidationException(responseFormat);
  93         }
  94         return operationalEnvironment;
  95     }
  96
  97     private OperationalEnvironmentEntry failOnEnvNotExist(String opEnvId) {
  98         return ValidationUtils.throwValidationException(componentsUtils.getResponseFormat(ActionStatus.API_RESOURCE_NOT_FOUND, ApiResourceEnum.ENVIRONMENT_ID.getValue()), "failed to get operational environment {}", opEnvId);
  99     }
 100
 101     private void validateServiceState(Service service, List<LifecycleStateEnum> allowedStates) {
 102         LifecycleStateEnum state = service.getLifecycleState();
 103         if (!allowedStates.contains(state)) {
 104             log.error("service {} life cycle state {} is not valid for distribution", service.getUniqueId(), service.getLifecycleState());
 105             ResponseFormat responseFormat = componentsUtils.getResponseFormat(ActionStatus.INVALID_SERVICE_STATE);
 106             throw new ValidationException(responseFormat);
 107         }
 108     }
 109     private void validateUserExists(String userId) {
 110         userValidations.validateUserExists(userId, "activate Distribution", false)
 111                 .left().on(responseFormat ->  ValidationUtils.throwValidationException(responseFormat, "user {} not exist", userId));
 112     }
 113
 114     private void validateDistributionServiceLifeCycleState(Service serviceToActivate) {
 115         validateServiceState(serviceToActivate,
 116                 Arrays.asList(LifecycleStateEnum.CERTIFICATION_IN_PROGRESS, LifecycleStateEnum.CERTIFIED));
 117     }
 118 }