2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2022-2024 Nordix Foundation
4 * Modifications Copyright (C) 2022 Bell Canada
5 * Modifications Copyright (C) 2024 TechMahindra Ltd.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 * SPDX-License-Identifier: Apache-2.0
20 * ============LICENSE_END=========================================================
23 package org.onap.cps.ncmp.api.impl;
25 import static org.onap.cps.ncmp.api.NcmpResponseStatus.ALTERNATE_ID_ALREADY_ASSOCIATED;
26 import static org.onap.cps.ncmp.api.NcmpResponseStatus.CM_HANDLES_NOT_FOUND;
27 import static org.onap.cps.ncmp.api.NcmpResponseStatus.CM_HANDLE_INVALID_ID;
28 import static org.onap.cps.ncmp.api.impl.CmHandleRegistrationServicePropertyHandler.PropertyType.DMI_PROPERTY;
29 import static org.onap.cps.ncmp.api.impl.CmHandleRegistrationServicePropertyHandler.PropertyType.PUBLIC_PROPERTY;
30 import static org.onap.cps.ncmp.api.impl.ncmppersistence.NcmpPersistence.NCMP_DATASPACE_NAME;
31 import static org.onap.cps.ncmp.api.impl.ncmppersistence.NcmpPersistence.NCMP_DMI_REGISTRY_ANCHOR;
32 import static org.onap.cps.ncmp.api.impl.ncmppersistence.NcmpPersistence.NCMP_DMI_REGISTRY_PARENT;
34 import com.google.common.collect.ImmutableMap;
35 import java.time.OffsetDateTime;
36 import java.util.ArrayList;
37 import java.util.Collection;
38 import java.util.HashMap;
39 import java.util.HashSet;
40 import java.util.LinkedHashMap;
41 import java.util.List;
43 import java.util.regex.Matcher;
44 import java.util.regex.Pattern;
45 import lombok.RequiredArgsConstructor;
46 import lombok.extern.slf4j.Slf4j;
47 import org.onap.cps.api.CpsDataService;
48 import org.onap.cps.ncmp.api.impl.inventory.InventoryPersistence;
49 import org.onap.cps.ncmp.api.impl.utils.AlternateIdChecker;
50 import org.onap.cps.ncmp.api.impl.utils.YangDataConverter;
51 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
52 import org.onap.cps.ncmp.api.models.CmHandleRegistrationResponse;
53 import org.onap.cps.ncmp.api.models.NcmpServiceCmHandle;
54 import org.onap.cps.spi.exceptions.DataNodeNotFoundException;
55 import org.onap.cps.spi.exceptions.DataValidationException;
56 import org.onap.cps.spi.model.DataNode;
57 import org.onap.cps.spi.model.DataNodeBuilder;
58 import org.onap.cps.utils.ContentType;
59 import org.onap.cps.utils.JsonObjectMapper;
60 import org.springframework.stereotype.Service;
61 import org.springframework.util.StringUtils;
65 @RequiredArgsConstructor
66 //Accepting the security hotspot as the string checked is generated from inside code and not user input.
67 @SuppressWarnings("squid:S5852")
68 public class CmHandleRegistrationServicePropertyHandler {
70 private final InventoryPersistence inventoryPersistence;
71 private final CpsDataService cpsDataService;
72 private final JsonObjectMapper jsonObjectMapper;
73 private final AlternateIdChecker alternateIdChecker;
76 * Iterates over incoming updatedNcmpServiceCmHandles and update the dataNodes based on the updated attributes.
77 * The attributes which are not passed will remain as is.
79 * @param updatedNcmpServiceCmHandles collection of CmHandles
81 public List<CmHandleRegistrationResponse> updateCmHandleProperties(
82 final Collection<NcmpServiceCmHandle> updatedNcmpServiceCmHandles) {
83 final Collection<String> rejectedCmHandleIds = alternateIdChecker
84 .getIdsOfCmHandlesWithRejectedAlternateId(updatedNcmpServiceCmHandles, AlternateIdChecker.Operation.UPDATE);
85 final List<CmHandleRegistrationResponse> failureResponses =
86 CmHandleRegistrationResponse.createFailureResponses(rejectedCmHandleIds, ALTERNATE_ID_ALREADY_ASSOCIATED);
87 final List<CmHandleRegistrationResponse> cmHandleRegistrationResponses = new ArrayList<>(failureResponses);
88 for (final NcmpServiceCmHandle updatedNcmpServiceCmHandle : updatedNcmpServiceCmHandles) {
89 final String cmHandleId = updatedNcmpServiceCmHandle.getCmHandleId();
90 if (!rejectedCmHandleIds.contains(cmHandleId)) {
92 final DataNode existingCmHandleDataNode = inventoryPersistence
93 .getCmHandleDataNodeByCmHandleId(cmHandleId).iterator().next();
94 processUpdates(existingCmHandleDataNode, updatedNcmpServiceCmHandle);
95 cmHandleRegistrationResponses.add(CmHandleRegistrationResponse.createSuccessResponse(cmHandleId));
96 } catch (final DataNodeNotFoundException e) {
97 log.error("Unable to find dataNode for cmHandleId : {} , caused by : {}", cmHandleId,
99 cmHandleRegistrationResponses.add(
100 CmHandleRegistrationResponse.createFailureResponse(cmHandleId, CM_HANDLES_NOT_FOUND));
101 } catch (final DataValidationException e) {
102 log.error("Unable to update cm handle : {}, caused by : {}", cmHandleId, e.getMessage());
103 cmHandleRegistrationResponses.add(
104 CmHandleRegistrationResponse.createFailureResponse(cmHandleId, CM_HANDLE_INVALID_ID));
105 } catch (final Exception exception) {
106 log.error("Unable to update cmHandle : {} , caused by : {}", cmHandleId, exception.getMessage());
107 cmHandleRegistrationResponses.add(
108 CmHandleRegistrationResponse.createFailureResponse(cmHandleId, exception));
112 return cmHandleRegistrationResponses;
115 private void processUpdates(final DataNode existingCmHandleDataNode,
116 final NcmpServiceCmHandle updatedNcmpServiceCmHandle) {
117 setAndUpdateCmHandleField(
118 updatedNcmpServiceCmHandle.getCmHandleId(), "alternate-id", updatedNcmpServiceCmHandle.getAlternateId());
119 updateDataProducerIdentifier(existingCmHandleDataNode, updatedNcmpServiceCmHandle);
120 if (!updatedNcmpServiceCmHandle.getPublicProperties().isEmpty()) {
121 updateProperties(existingCmHandleDataNode, PUBLIC_PROPERTY,
122 updatedNcmpServiceCmHandle.getPublicProperties());
124 if (!updatedNcmpServiceCmHandle.getDmiProperties().isEmpty()) {
125 updateProperties(existingCmHandleDataNode, DMI_PROPERTY, updatedNcmpServiceCmHandle.getDmiProperties());
129 private void updateDataProducerIdentifier(final DataNode cmHandleDataNode,
130 final NcmpServiceCmHandle ncmpServiceCmHandle) {
131 final String newDataProducerIdentifier = ncmpServiceCmHandle.getDataProducerIdentifier();
132 if (StringUtils.hasText(newDataProducerIdentifier)) {
133 final YangModelCmHandle yangModelCmHandle =
134 YangDataConverter.convertCmHandleToYangModel(cmHandleDataNode);
135 final String existingDataProducerIdentifier = yangModelCmHandle.getDataProducerIdentifier();
136 if (StringUtils.hasText(existingDataProducerIdentifier)) {
137 if (!existingDataProducerIdentifier.equals(newDataProducerIdentifier)) {
138 log.warn("Unable to update dataProducerIdentifier for cmHandle {}. "
139 + "Value for dataProducerIdentifier has been set previously.",
140 ncmpServiceCmHandle.getCmHandleId());
142 log.debug("dataProducerIdentifier for cmHandle {} is already set to {}.",
143 ncmpServiceCmHandle.getCmHandleId(), newDataProducerIdentifier);
146 setAndUpdateCmHandleField(
147 yangModelCmHandle.getId(), "data-producer-identifier", newDataProducerIdentifier);
152 private void updateProperties(final DataNode existingCmHandleDataNode, final PropertyType propertyType,
153 final Map<String, String> updatedProperties) {
154 final Collection<DataNode> replacementPropertyDataNodes =
155 getReplacementDataNodes(existingCmHandleDataNode, propertyType, updatedProperties);
156 replacementPropertyDataNodes.addAll(
157 getUnchangedPropertyDataNodes(existingCmHandleDataNode, propertyType, updatedProperties));
158 if (replacementPropertyDataNodes.isEmpty()) {
159 removeAllProperties(existingCmHandleDataNode, propertyType);
161 inventoryPersistence.replaceListContent(existingCmHandleDataNode.getXpath(), replacementPropertyDataNodes);
165 private void removeAllProperties(final DataNode existingCmHandleDataNode, final PropertyType propertyType) {
166 existingCmHandleDataNode.getChildDataNodes().forEach(dataNode -> {
167 final Matcher matcher = propertyType.propertyXpathPattern.matcher(dataNode.getXpath());
168 if (matcher.find()) {
169 log.info("Deleting dataNode with xpath : [{}]", dataNode.getXpath());
170 inventoryPersistence.deleteDataNode(dataNode.getXpath());
175 private Collection<DataNode> getUnchangedPropertyDataNodes(final DataNode existingCmHandleDataNode,
176 final PropertyType propertyType,
177 final Map<String, String> updatedProperties) {
178 final Collection<DataNode> unchangedPropertyDataNodes = new HashSet<>();
179 for (final DataNode existingPropertyDataNode : existingCmHandleDataNode.getChildDataNodes()) {
180 final Matcher matcher = propertyType.propertyXpathPattern.matcher(existingPropertyDataNode.getXpath());
181 if (matcher.find()) {
182 final String keyName = matcher.group(2);
183 if (!updatedProperties.containsKey(keyName)) {
184 unchangedPropertyDataNodes.add(existingPropertyDataNode);
188 return unchangedPropertyDataNodes;
191 private Collection<DataNode> getReplacementDataNodes(final DataNode existingCmHandleDataNode,
192 final PropertyType propertyType,
193 final Map<String, String> updatedProperties) {
194 final Collection<DataNode> replacementPropertyDataNodes = new HashSet<>();
195 updatedProperties.forEach((updatedAttributeKey, updatedAttributeValue) -> {
196 final String propertyXpath = getAttributeXpath(existingCmHandleDataNode, propertyType, updatedAttributeKey);
197 if (updatedAttributeValue != null) {
198 log.info("Creating a new DataNode with xpath {} , key : {} and value : {}", propertyXpath,
199 updatedAttributeKey, updatedAttributeValue);
200 replacementPropertyDataNodes.add(
201 buildDataNode(propertyXpath, updatedAttributeKey, updatedAttributeValue));
204 return replacementPropertyDataNodes;
207 private String getAttributeXpath(final DataNode cmHandle, final PropertyType propertyType,
208 final String attributeKey) {
209 return cmHandle.getXpath() + "/" + propertyType.xpathPrefix + String.format("[@name='%s']", attributeKey);
212 private DataNode buildDataNode(final String xpath, final String attributeKey, final String attributeValue) {
213 final Map<String, String> updatedLeaves = new LinkedHashMap<>(1);
214 updatedLeaves.put("name", attributeKey);
215 updatedLeaves.put("value", attributeValue);
216 log.debug("Building a new node with xpath {} with leaves (name : {} , value : {})", xpath, attributeKey,
218 return new DataNodeBuilder().withXpath(xpath).withLeaves(ImmutableMap.copyOf(updatedLeaves)).build();
221 private void setAndUpdateCmHandleField(final String cmHandleIdToUpdate, final String fieldName,
222 final String newFieldValue) {
223 final Map<String, Map<String, String>> dmiRegistryData = new HashMap<>(1);
224 final Map<String, String> cmHandleData = new HashMap<>(2);
225 cmHandleData.put("id", cmHandleIdToUpdate);
226 cmHandleData.put(fieldName, newFieldValue);
227 dmiRegistryData.put("cm-handles", cmHandleData);
228 cpsDataService.updateNodeLeaves(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR, NCMP_DMI_REGISTRY_PARENT,
229 jsonObjectMapper.asJsonString(dmiRegistryData), OffsetDateTime.now(), ContentType.JSON);
230 log.debug("Updating {} for cmHandle {} with value : {})", fieldName, cmHandleIdToUpdate, newFieldValue);
234 DMI_PROPERTY("additional-properties"), PUBLIC_PROPERTY("public-properties");
236 private static final String LIST_INDEX_PATTERN = "\\[@(\\w+)[^\\/]'([^']+)']";
238 final String xpathPrefix;
239 final Pattern propertyXpathPattern;
241 PropertyType(final String xpathPrefix) {
242 this.xpathPrefix = xpathPrefix;
243 this.propertyXpathPattern = Pattern.compile(xpathPrefix + LIST_INDEX_PATTERN);