3 * ============LICENSE_START=======================================================
4 * Copyright (C) 2020 Nordix Foundation
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
20 package org.openecomp.sdc.be.plugins.etsi.nfv.nsd.generator;
22 import com.google.common.collect.ImmutableMap;
23 import fj.data.Either;
24 import java.util.ArrayList;
25 import java.util.Arrays;
26 import java.util.Collection;
27 import java.util.Collections;
28 import java.util.HashMap;
29 import java.util.List;
31 import java.util.Map.Entry;
32 import java.util.Optional;
33 import org.apache.commons.collections4.CollectionUtils;
34 import org.apache.commons.collections4.MapUtils;
35 import org.openecomp.sdc.be.config.ConfigurationManager;
36 import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
37 import org.openecomp.sdc.be.model.Component;
38 import org.openecomp.sdc.be.model.tosca.constraints.ConstraintType;
39 import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.exception.NsdException;
40 import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.model.Nsd;
41 import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.model.VnfDescriptor;
42 import org.openecomp.sdc.be.plugins.etsi.nfv.nsd.tosca.yaml.ToscaTemplateYamlGenerator;
43 import org.openecomp.sdc.be.tosca.ToscaError;
44 import org.openecomp.sdc.be.tosca.ToscaExportHandler;
45 import org.openecomp.sdc.be.tosca.model.SubstitutionMapping;
46 import org.openecomp.sdc.be.tosca.model.ToscaNodeTemplate;
47 import org.openecomp.sdc.be.tosca.model.ToscaNodeType;
48 import org.openecomp.sdc.be.tosca.model.ToscaProperty;
49 import org.openecomp.sdc.be.tosca.model.ToscaPropertyConstraint;
50 import org.openecomp.sdc.be.tosca.model.ToscaPropertyConstraintValidValues;
51 import org.openecomp.sdc.be.tosca.model.ToscaTemplate;
52 import org.openecomp.sdc.be.tosca.model.ToscaTopolgyTemplate;
53 import org.slf4j.Logger;
54 import org.slf4j.LoggerFactory;
55 import org.springframework.beans.factory.ObjectProvider;
56 import org.springframework.beans.factory.config.BeanDefinition;
57 import org.springframework.context.annotation.Scope;
59 @org.springframework.stereotype.Component("nsDescriptorGenerator")
60 @Scope(BeanDefinition.SCOPE_PROTOTYPE)
61 public class NsDescriptorGeneratorImpl implements NsDescriptorGenerator {
63 private static final Logger LOGGER = LoggerFactory.getLogger(NsDescriptorGeneratorImpl.class);
64 private static final String TOSCA_VERSION = "tosca_simple_yaml_1_1";
65 private static final String NS_TOSCA_TYPE = "tosca.nodes.nfv.NS";
66 private static final List<Map<String, Map<String, String>>> DEFAULT_IMPORTS = ConfigurationManager.getConfigurationManager().getConfiguration()
68 private static final List<String> PROPERTIES_TO_EXCLUDE_FROM_ETSI_SOL_NSD_NS_NODE_TYPE = Arrays
69 .asList("cds_model_name", "cds_model_version", "skip_post_instantiation_configuration", "controller_actor");
70 private static final List<String> PROPERTIES_TO_EXCLUDE_FROM_ETSI_SOL_NSD_NS_NODE_TEMPLATE = Arrays
71 .asList("nf_function", "nf_role", "nf_naming_code", "nf_type", "nf_naming", "availability_zone_max_count", "min_instances", "max_instances",
72 "multi_stage_design", "sdnc_model_name", "sdnc_model_version", "sdnc_artifact_name", "skip_post_instantiation_configuration",
74 private final ToscaExportHandler toscaExportHandler;
75 private final ObjectProvider<ToscaTemplateYamlGenerator> toscaTemplateYamlGeneratorProvider;
77 public NsDescriptorGeneratorImpl(final ToscaExportHandler toscaExportHandler,
78 final ObjectProvider<ToscaTemplateYamlGenerator> toscaTemplateYamlGeneratorProvider) {
79 this.toscaExportHandler = toscaExportHandler;
80 this.toscaTemplateYamlGeneratorProvider = toscaTemplateYamlGeneratorProvider;
83 public Optional<Nsd> generate(final Component component, final List<VnfDescriptor> vnfDescriptorList) throws NsdException {
84 if (!ComponentTypeEnum.SERVICE.equals(component.getComponentType())) {
85 return Optional.empty();
87 final ToscaTemplate toscaTemplate = createNetworkServiceDescriptor(component, vnfDescriptorList);
88 final ToscaNodeType nsNodeType = toscaTemplate.getNode_types().values().stream()
89 .filter(toscaNodeType -> NS_TOSCA_TYPE.equals(toscaNodeType.getDerived_from())).findFirst().orElse(null);
90 if (nsNodeType == null) {
91 return Optional.empty();
93 return Optional.of(buildNsd(toscaTemplate, nsNodeType));
96 private Nsd buildNsd(final ToscaTemplate toscaTemplate, final ToscaNodeType nsNodeType) {
97 final Nsd nsd = new Nsd();
98 nsd.setDesigner(getProperty(nsNodeType, Nsd.DESIGNER_PROPERTY));
99 nsd.setVersion(getProperty(nsNodeType, Nsd.VERSION_PROPERTY));
100 nsd.setName(getProperty(nsNodeType, Nsd.NAME_PROPERTY));
101 nsd.setInvariantId(getProperty(nsNodeType, Nsd.INVARIANT_ID_PROPERTY));
102 final ToscaTemplateYamlGenerator yamlParserProvider = toscaTemplateYamlGeneratorProvider.getObject(toscaTemplate);
103 final byte[] contents = yamlParserProvider.parseToYamlString().getBytes();
104 nsd.setContents(contents);
105 final List<String> interfaceImplementations = getInterfaceImplementations(toscaTemplate);
106 nsd.setArtifactReferences(interfaceImplementations);
110 private List<String> getInterfaceImplementations(final ToscaTemplate template) {
111 if (template.getTopology_template().getNode_templates() == null) {
112 return Collections.emptyList();
114 final List<String> interfaceImplementations = new ArrayList<>();
115 final Collection<ToscaNodeTemplate> nodeTemplates = template.getTopology_template().getNode_templates().values();
116 nodeTemplates.stream().filter(toscaNodeTemplate -> toscaNodeTemplate.getInterfaces() != null).forEach(
117 toscaNodeTemplate -> toscaNodeTemplate.getInterfaces().values()
118 .forEach(interfaceInstance -> interfaceImplementations.addAll(getInterfaceImplementations(interfaceInstance))));
119 return interfaceImplementations;
122 private Collection<String> getInterfaceImplementations(final Object interfaceInstance) {
123 final Collection<String> interfaceImplementations = new ArrayList<>();
124 if (interfaceInstance instanceof Map) {
125 for (final Object value : ((Map<?, ?>) interfaceInstance).values()) {
126 if (value instanceof Map && ((Map<?, ?>) value).get("implementation") != null) {
127 interfaceImplementations.add(((Map<?, ?>) value).get("implementation").toString());
131 return interfaceImplementations;
134 private String getProperty(final ToscaNodeType nodeType, final String propertyName) {
135 final ToscaProperty toscaProperty = nodeType.getProperties().get(propertyName);
136 final String errorMsg = String.format("Property '%s' must be defined and must have a valid values constraint", propertyName);
137 final String returnValueOnError = "unknown";
138 if (toscaProperty == null || CollectionUtils.isEmpty(toscaProperty.getConstraints())) {
139 LOGGER.error(errorMsg);
140 return returnValueOnError;
142 final ToscaPropertyConstraint toscaPropertyConstraint = toscaProperty.getConstraints().get(0);
143 if (ConstraintType.VALID_VALUES != toscaPropertyConstraint.getConstraintType()) {
144 LOGGER.error(errorMsg);
145 return returnValueOnError;
147 final ToscaPropertyConstraintValidValues validValuesConstraint = (ToscaPropertyConstraintValidValues) toscaPropertyConstraint;
148 final List<String> validValues = validValuesConstraint.getValidValues();
149 if (CollectionUtils.isEmpty(validValues)) {
150 LOGGER.error(errorMsg);
151 return returnValueOnError;
153 return validValues.get(0);
156 private ToscaTemplate createNetworkServiceDescriptor(final Component component, final List<VnfDescriptor> vnfDescriptorList) throws NsdException {
157 final ToscaTemplate componentToscaTemplate = parseToToscaTemplate(component);
158 final ToscaTemplate componentToscaTemplateInterface = exportComponentInterfaceAsToscaTemplate(component);
159 final Entry<String, ToscaNodeType> firstNodeTypeEntry = componentToscaTemplateInterface.getNode_types().entrySet().stream().findFirst()
161 if (firstNodeTypeEntry == null) {
162 throw new NsdException("Could not find abstract Service type");
164 final String nsNodeTypeName = firstNodeTypeEntry.getKey();
165 final ToscaNodeType nsNodeType = firstNodeTypeEntry.getValue();
166 final Map<String, ToscaNodeType> nodeTypeMap = new HashMap<>();
167 nodeTypeMap.put(nsNodeTypeName, createEtsiSolNsNodeType(nsNodeType));
168 if (componentToscaTemplate.getNode_types() == null) {
169 componentToscaTemplate.setNode_types(nodeTypeMap);
171 componentToscaTemplate.getNode_types().putAll(nodeTypeMap);
173 setPropertiesForNodeTemplates(componentToscaTemplate);
174 removeCapabilitiesFromNodeTemplates(componentToscaTemplate);
175 removeOnapPropertiesFromInputs(componentToscaTemplate);
176 handleSubstitutionMappings(componentToscaTemplate, nsNodeTypeName);
177 final Map<String, ToscaNodeTemplate> nodeTemplates = new HashMap<>();
178 nodeTemplates.put(nsNodeTypeName,
179 createNodeTemplateForNsNodeType(nsNodeTypeName, componentToscaTemplateInterface.getNode_types().get(nsNodeTypeName)));
180 if (componentToscaTemplate.getTopology_template().getNode_templates() == null) {
181 componentToscaTemplate.getTopology_template().setNode_templates(nodeTemplates);
183 setNodeTemplateTypesForVnfs(componentToscaTemplate, vnfDescriptorList);
184 componentToscaTemplate.getTopology_template().getNode_templates().putAll(nodeTemplates);
186 removeOnapMetaData(componentToscaTemplate);
187 setDefaultImportsForEtsiSolNsNsd(componentToscaTemplate, vnfDescriptorList);
188 return componentToscaTemplate;
191 private void handleSubstitutionMappings(final ToscaTemplate componentToscaTemplate, final String nsNodeTypeName) {
192 final SubstitutionMapping substitutionMapping = new SubstitutionMapping();
193 substitutionMapping.setNode_type(nsNodeTypeName);
194 final SubstitutionMapping onapSubstitutionMapping = componentToscaTemplate.getTopology_template().getSubstitution_mappings();
195 if (onapSubstitutionMapping != null) {
196 substitutionMapping.setRequirements(onapSubstitutionMapping.getRequirements());
197 substitutionMapping.setCapabilities(onapSubstitutionMapping.getCapabilities());
199 componentToscaTemplate.getTopology_template().setSubstitution_mappings(substitutionMapping);
202 private void setNodeTemplateTypesForVnfs(final ToscaTemplate template, final List<VnfDescriptor> vnfDescriptorList) {
203 if (CollectionUtils.isEmpty(vnfDescriptorList)) {
206 final Map<String, ToscaNodeTemplate> nodeTemplateMap = template.getTopology_template().getNode_templates();
207 if (MapUtils.isEmpty(nodeTemplateMap)) {
210 nodeTemplateMap.forEach(
211 (key, toscaNodeTemplate) -> vnfDescriptorList.stream().filter(vnfDescriptor -> key.equals(vnfDescriptor.getName())).findFirst()
212 .ifPresent(vnfDescriptor -> toscaNodeTemplate.setType(vnfDescriptor.getNodeType())));
215 private void setPropertiesForNodeTemplates(final ToscaTemplate template) {
216 final Map<String, ToscaNodeTemplate> nodeTemplateMap = template.getTopology_template().getNode_templates();
217 if (MapUtils.isEmpty(nodeTemplateMap)) {
220 for (final Entry<String, ToscaNodeTemplate> nodeTemplate : nodeTemplateMap.entrySet()) {
221 final Map<String, Object> propertyMap = nodeTemplate.getValue().getProperties();
222 if (MapUtils.isEmpty(propertyMap)) {
223 nodeTemplate.getValue().setProperties(null);
226 final Map<String, Object> editedPropertyMap = new HashMap<>();
227 for (final Entry<String, Object> property : propertyMap.entrySet()) {
228 if (!PROPERTIES_TO_EXCLUDE_FROM_ETSI_SOL_NSD_NS_NODE_TEMPLATE.contains(property.getKey()) && propertyIsDefinedInNodeType(
229 property.getKey())) {
230 editedPropertyMap.put(property.getKey().substring(property.getKey().indexOf('_') + 1), property.getValue());
233 if (editedPropertyMap.isEmpty()) {
234 nodeTemplate.getValue().setProperties(null);
236 nodeTemplate.getValue().setProperties(editedPropertyMap);
241 private void removeCapabilitiesFromNodeTemplates(final ToscaTemplate template) {
242 final Map<String, ToscaNodeTemplate> nodeTemplateMap = template.getTopology_template().getNode_templates();
243 if (MapUtils.isEmpty(nodeTemplateMap)) {
246 for (final Entry<String, ToscaNodeTemplate> nodeTemplate : nodeTemplateMap.entrySet()) {
247 nodeTemplate.getValue().setCapabilities(null);
251 private void removeOnapPropertiesFromInputs(final ToscaTemplate template) {
252 final ToscaTopolgyTemplate topologyTemplate = template.getTopology_template();
253 final Map<String, ToscaProperty> inputMap = topologyTemplate.getInputs();
254 if (MapUtils.isNotEmpty(inputMap)) {
255 inputMap.entrySet().removeIf(entry -> PROPERTIES_TO_EXCLUDE_FROM_ETSI_SOL_NSD_NS_NODE_TYPE.contains(entry.getKey()));
257 if (MapUtils.isEmpty(inputMap)) {
258 topologyTemplate.setInputs(null);
262 private void removeOnapMetaData(final ToscaTemplate template) {
263 template.setMetadata(null);
264 final Map<String, ToscaNodeTemplate> nodeTemplateMap = template.getTopology_template().getNode_templates();
265 if (MapUtils.isEmpty(nodeTemplateMap)) {
268 nodeTemplateMap.values().forEach(toscaNodeTemplate -> toscaNodeTemplate.setMetadata(null));
271 private void setDefaultImportsForEtsiSolNsNsd(final ToscaTemplate template, final List<VnfDescriptor> vnfDescriptorList) {
272 final List<Map<String, Map<String, String>>> importEntryMap = new ArrayList<>();
273 final Map<String, Map<String, String>> defaultImportEntryMap = generateDefaultImportEntry();
274 if (MapUtils.isNotEmpty(defaultImportEntryMap)) {
275 importEntryMap.add(defaultImportEntryMap);
277 if (CollectionUtils.isNotEmpty(vnfDescriptorList)) {
278 for (final VnfDescriptor vnfDescriptor : vnfDescriptorList) {
279 final Map<String, String> vnfImportChildEntry = new HashMap<>();
280 vnfImportChildEntry.put("file", vnfDescriptor.getVnfdFileName());
281 final Map<String, Map<String, String>> vnfdImportVnfdEntry = new HashMap<>();
282 vnfdImportVnfdEntry.put(vnfDescriptor.getName(), vnfImportChildEntry);
283 importEntryMap.add(vnfdImportVnfdEntry);
286 template.setImports(importEntryMap);
289 private Map<String, Map<String, String>> generateDefaultImportEntry() {
290 return ImmutableMap.of("etsi_nfv_sol001_nsd_types", ImmutableMap.of("file", "etsi_nfv_sol001_nsd_types.yaml"));
293 private ToscaNodeType createEtsiSolNsNodeType(final ToscaNodeType nsNodeType) {
294 final ToscaNodeType toscaNodeType = new ToscaNodeType();
295 toscaNodeType.setDerived_from(NS_TOSCA_TYPE);
296 final Map<String, ToscaProperty> propertiesInNsNodeType = nsNodeType.getProperties();
297 for (final Entry<String, ToscaProperty> property : propertiesInNsNodeType.entrySet()) {
298 final ToscaProperty toscaProperty = property.getValue();
299 if (toscaProperty.getDefaultp() != null) {
300 final ToscaPropertyConstraintValidValues constraint = new ToscaPropertyConstraintValidValues(
301 Collections.singletonList(toscaProperty.getDefaultp().toString()));
302 toscaProperty.setConstraints(Collections.singletonList(constraint));
305 propertiesInNsNodeType.entrySet().removeIf(entry -> PROPERTIES_TO_EXCLUDE_FROM_ETSI_SOL_NSD_NS_NODE_TYPE.contains(entry.getKey()));
306 toscaNodeType.setProperties(propertiesInNsNodeType);
307 return toscaNodeType;
310 private boolean propertyIsDefinedInNodeType(final String propertyName) {
311 // This will achieve what we want for now, but will look into a more generic solution which would involve
313 // checking the node_type definition in the VNFD
314 return !propertyName.equals("additional_parameters");
317 private ToscaNodeTemplate createNodeTemplateForNsNodeType(final String nodeType, final ToscaNodeType toscaNodeType) {
318 final ToscaNodeTemplate nodeTemplate = new ToscaNodeTemplate();
319 nodeTemplate.setType(nodeType);
320 final Map<String, ToscaProperty> properties = toscaNodeType.getProperties();
321 final Map<String, Object> nodeTemplateProperties = new HashMap<>();
322 for (final Entry<String, ToscaProperty> property : properties.entrySet()) {
323 nodeTemplateProperties.put(property.getKey(), property.getValue().getDefaultp());
325 if (!nodeTemplateProperties.isEmpty()) {
326 nodeTemplate.setProperties(nodeTemplateProperties);
328 final Map<String, Object> interfaces = toscaNodeType.getInterfaces();
329 if (interfaces != null) {
330 for (final Entry<String, Object> nodeInterface : interfaces.entrySet()) {
331 if ("Nslcm".equals(nodeInterface.getKey()) && nodeInterface.getValue() instanceof Map) {
332 ((Map<?, ?>) nodeInterface.getValue()).remove("type");
335 nodeTemplate.setInterfaces(interfaces);
340 private ToscaTemplate parseToToscaTemplate(final Component component) throws NsdException {
341 final Either<ToscaTemplate, ToscaError> toscaTemplateRes = toscaExportHandler.convertToToscaTemplate(component);
342 if (toscaTemplateRes.isRight()) {
343 String errorMsg = String
344 .format("Could not parse component '%s' to tosca template. Error '%s'", component.getName(), toscaTemplateRes.right().value().name());
345 throw new NsdException(errorMsg);
347 return toscaTemplateRes.left().value();
350 private ToscaTemplate exportComponentInterfaceAsToscaTemplate(final Component component) throws NsdException {
351 if (null == DEFAULT_IMPORTS) {
352 throw new NsdException("Could not load default CSAR imports from configuration");
354 final ToscaTemplate toscaTemplate = new ToscaTemplate(TOSCA_VERSION);
355 toscaTemplate.setImports(new ArrayList<>(DEFAULT_IMPORTS));
356 final Either<ToscaTemplate, ToscaError> toscaTemplateRes = toscaExportHandler
357 .convertInterfaceNodeType(new HashMap<>(), component, toscaTemplate, new HashMap<>(), false);
358 if (toscaTemplateRes.isRight()) {
359 throw new NsdException(String.format("Could not create abstract service from component '%s'", component.getName()));
361 return toscaTemplateRes.left().value();