gerrit.o-ran-sc Code Review - smo/teiv.git/blob

   1 /*
   2  *  ============LICENSE_START=======================================================
   3  *  Modifications Copyright (C) 2025 OpenInfra Foundation Europe
   4  *  ================================================================================
   5  *  Licensed under the Apache License, Version 2.0 (the "License");
   6  *  you may not use this file except in compliance with the License.
   7  *  You may obtain a copy of the License at
   8  *
   9  *        http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  *  Unless required by applicable law or agreed to in writing, software
  12  *  distributed under the License is distributed on an "AS IS" BASIS,
  13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  *  See the License for the specific language governing permissions and
  15  *  limitations under the License.
  16  *
  17  *  SPDX-License-Identifier: Apache-2.0
  18  *  ============LICENSE_END=========================================================
  19  */
  20 package org.oran.smo.teiv.adapters.focom_to_teiv_adapter.service;
  21
  22 import com.fasterxml.jackson.core.type.TypeReference;
  23 import com.fasterxml.jackson.databind.ObjectMapper;
  24 import com.fasterxml.jackson.databind.SerializationFeature;
  25 import io.fabric8.kubernetes.client.KubernetesClientException;
  26 import lombok.extern.slf4j.Slf4j;
  27 import org.nephio.focom.v1alpha1.FocomProvisioningRequest;
  28 import org.oran.provisioning.o2ims.v1alpha1.ProvisioningRequest;
  29 import org.oran.smo.teiv.adapters.focom_to_teiv_adapter.custom_resource_json.EntityAndRelationshipModel;
  30 import org.oran.smo.teiv.adapters.focom_to_teiv_adapter.custom_resource_json.EntityItem;
  31 import org.oran.smo.teiv.adapters.focom_to_teiv_adapter.custom_resource_json.RelationshipItem;
  32
  33 import org.springframework.stereotype.Component;
  34
  35 import java.io.IOException;
  36 import java.util.Collections;
  37 import java.util.Map;
  38 import java.util.List;
  39 import java.util.ArrayList;
  40 import java.util.HashMap;
  41
  42
  43 import static org.oran.smo.teiv.adapters.common.utils.Constants.ENTITY_OCLOUD_NAMESPACE;
  44 import static org.oran.smo.teiv.adapters.common.utils.Constants.SMO_TEIV_CLOUD_PREFIX;
  45 import static org.oran.smo.teiv.adapters.common.utils.Constants.ENTITY_NODE_CLUSTER;
  46 import static org.oran.smo.teiv.adapters.common.utils.Constants.REL_DEPLOYED_ON;
  47 import static org.oran.smo.teiv.adapters.common.utils.TeivIdBuilder.buildEntityTypeName;
  48 import static org.oran.smo.teiv.adapters.common.utils.TeivIdBuilder.buildTeivFocomRelationshipTypeName;
  49
  50 @Slf4j
  51 @Component
  52 public class FocomToTeivModelBuilder {
  53
  54     private final FocomProvisioningRequestService service;
  55     private final EntityAndRelationshipModelService modelService;
  56
  57     public FocomToTeivModelBuilder(FocomProvisioningRequestService service,
  58                                    EntityAndRelationshipModelService modelService) {
  59         this.service = service;
  60         this.modelService = modelService;
  61     }
  62
  63     public Map<String, Object> getFocomtoTeivJson() throws IOException {
  64
  65         List<EntityItem> oCloudNamespaces = new ArrayList<>();
  66         List<EntityItem> nodeClusters = new ArrayList<>();
  67         List<RelationshipItem> deployOnRelationships = new ArrayList<>();
  68         List<FocomProvisioningRequest> focomRequests;
  69
  70         int index = 1;
  71
  72         try {
  73             focomRequests = service.getAllFocomProvisioningRequests();
  74         } catch (KubernetesClientException e) {
  75             log.error("Failed to retrieve FOCOM provisioning requests from Kubernetes: {}", e.getMessage(), e);
  76             return Collections.emptyMap();
  77         } catch (Exception e) {
  78             log.error("Unexpected error while retrieving FOCOM provisioning requests", e);
  79             return Collections.emptyMap();
  80         }
  81
  82         if (focomRequests == null || focomRequests.isEmpty()) {
  83             return Collections.emptyMap();
  84         }
  85
  86         for (FocomProvisioningRequest focomProvisioningRequest : focomRequests) {
  87
  88             validateProvisioningRequest(focomProvisioningRequest);
  89
  90             EntityItem oCloudNamespace = buildOCloudNamespace(focomProvisioningRequest, index);
  91             oCloudNamespaces.add(oCloudNamespace);
  92
  93             EntityItem nodeCluster = buildNodeCluster(focomProvisioningRequest, index);
  94             if (nodeCluster == null || nodeCluster.isEmpty()) {
  95                 log.error("Failed to build Nodecluster, attributes missing");
  96                 index++;
  97                 continue;
  98             }
  99             nodeClusters.add(nodeCluster);
 100
 101             RelationshipItem rel = modelService.getTeivRelationshipDeployOn(oCloudNamespace, nodeCluster, index);
 102             deployOnRelationships.add(rel);
 103
 104             index++;
 105         }
 106
 107         Map<String, List<EntityItem>> entities = new HashMap<>();
 108         entities.put(
 109                 buildEntityTypeName(SMO_TEIV_CLOUD_PREFIX, ENTITY_OCLOUD_NAMESPACE),
 110                 oCloudNamespaces
 111         );
 112
 113         if (!nodeClusters.isEmpty()) {
 114             entities.put(
 115                     buildEntityTypeName(SMO_TEIV_CLOUD_PREFIX, ENTITY_NODE_CLUSTER),
 116                     nodeClusters
 117             );
 118         }
 119
 120         Map<String, List<RelationshipItem>> relationships = new HashMap<>();
 121         if (!deployOnRelationships.isEmpty()) {
 122             relationships.put(
 123                     buildTeivFocomRelationshipTypeName(
 124                             REL_DEPLOYED_ON,
 125                             ENTITY_OCLOUD_NAMESPACE.toUpperCase(),
 126                             ENTITY_NODE_CLUSTER.toUpperCase()
 127                     ),
 128                     deployOnRelationships
 129             );
 130         }
 131
 132         EntityAndRelationshipModel entityAndRelationshipModel = new EntityAndRelationshipModel();
 133         entityAndRelationshipModel.setEntities(List.of(entities));
 134         entityAndRelationshipModel.setRelationships(List.of(relationships));
 135
 136         ObjectMapper mapper = new ObjectMapper().enable(SerializationFeature.INDENT_OUTPUT);
 137         Map<String, Object> json = mapper.convertValue(entityAndRelationshipModel, new TypeReference<Map<String, Object>>() {
 138         });
 139
 140         log.info(mapper.writeValueAsString(entityAndRelationshipModel));
 141         return json;
 142     }
 143
 144     private void validateProvisioningRequest(FocomProvisioningRequest focomProvisioningRequest) {
 145         if (!"Fulfilled".equals(focomProvisioningRequest.getStatus().getPhase())) {
 146             throw new RuntimeException("Requested Focomprovisioning request is not in Fulfilled phase");
 147         }
 148     }
 149
 150     private EntityItem buildOCloudNamespace(FocomProvisioningRequest focomProvisioningRequest, int index) {
 151         String namespace = focomProvisioningRequest.getSpec().getOCloudNamespace();
 152         return modelService.getOCloudNamespaceEntity(namespace, index);
 153     }
 154
 155     private EntityItem buildNodeCluster(FocomProvisioningRequest focomProvisioningRequest, int index) {
 156         ProvisioningRequest o2imsRequest;
 157         try {
 158             o2imsRequest = service.getO2imsProvisioningRequest(focomProvisioningRequest.getMetadata().getName());
 159         } catch (KubernetesClientException e) {
 160             log.error("Failed to retrieve O2ims provisioning requests from Kubernetes: {}", e.getMessage(), e);
 161             return new EntityItem();
 162         } catch (Exception e) {
 163             log.error("Unexpected error while retrieving O2ims provisioning requests", e);
 164             return new EntityItem();
 165         }
 166
 167         String clusterName = focomProvisioningRequest.getSpec().getTemplateParameters()
 168                 .getAdditionalProperties()
 169                 .get("clusterName")
 170                 .toString();
 171
 172         String nodeClusterId = String.valueOf(o2imsRequest.getStatus()
 173                 .getProvisionedResourceSet()
 174                 .getOCloudNodeClusterId());
 175
 176         return modelService.getNodeClusterEntity(clusterName, nodeClusterId, index);
 177     }
 178 }
 179