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Diffstat (limited to 'openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/ToscaSolConverterPnf.java')
| -rw-r--r-- | openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/ToscaSolConverterPnf.java | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/ToscaSolConverterPnf.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/ToscaSolConverterPnf.java new file mode 100644 index 0000000000..0258b42a3d --- /dev/null +++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/ToscaSolConverterPnf.java @@ -0,0 +1,147 @@ +/* + * - + * * ============LICENSE_START======================================================= + * * Copyright (C) 2019 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.openecomp.core.impl; + +import org.apache.commons.collections.MapUtils; +import org.onap.sdc.tosca.datatypes.model.NodeTemplate; +import org.onap.sdc.tosca.datatypes.model.ServiceTemplate; +import org.onap.sdc.tosca.datatypes.model.TopologyTemplate; +import org.openecomp.core.converter.ServiceTemplateReaderService; +import org.openecomp.sdc.tosca.services.DataModelUtil; + +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Objects; +import java.util.stream.Collectors; + +public class ToscaSolConverterPnf extends AbstractToscaSolConverter { + + private static final String PNF_EXT_CP_TYPE = "tosca.nodes.nfv.PnfExtCp"; + private static final String EXT_CP_TYPE = "org.openecomp.resource.cp.v2.extCP"; + private static final String LAYER_PROTOCOLS = "layer_protocols"; + private static final String IP_V4 = "ipv4"; + private static final String IP_V6 = "ipv6"; + private static final String IP_VERSION = "ip_version"; + private static final String ASSIGNMENT_METHOD = "assingment_method"; + private static final String DHCP = "dhcp"; + + /** + * For PNF the node templates are converted ETSI node types to ecomp node types + * All other data i.e. inputs, substitution mappings and outputs are simply dropped at this stage. The equivalent + * ecomp data will be added when the vsp is imported into the catalog. + * @param serviceTemplate + * @param readerService + */ + @Override + public void convertTopologyTemplate(ServiceTemplate serviceTemplate, ServiceTemplateReaderService readerService) { + convertNodeTemplatesToEcompTypes(serviceTemplate, readerService); + addEmptyNodeTemplatesIfNoneDefined(serviceTemplate); + } + + /** + * PNF only has nfv.PNF and nfv.PnfExtCp types defined in ETSI SOL001 v2.5.1. + * - The PNF is mapped to the outer Abstract PNF container in ecomp model and hence nfv.PNF is dropped here. + * - nfv.PnfExtCp is mapped to ecomp v2.extCp type. + * + * @param serviceTemplate + * @param readerService + */ + private void convertNodeTemplatesToEcompTypes(ServiceTemplate serviceTemplate, + ServiceTemplateReaderService readerService) { + Map<String, Object> nodeTemplates = readerService.getNodeTemplates(); + if (MapUtils.isEmpty(nodeTemplates)) { + return; + } + + for (Map.Entry<String, Object> nodeTemplateEntry : nodeTemplates.entrySet()) { + Map<String, Object> inputNodeTemplate = (Map<String, Object>) nodeTemplateEntry.getValue(); + if (PNF_EXT_CP_TYPE.equals((String) inputNodeTemplate.get("type"))) { + NodeTemplate nodeTemplate = convertToEcompConnectionPointNodeType(inputNodeTemplate); + DataModelUtil.addNodeTemplate(serviceTemplate, nodeTemplateEntry.getKey(), nodeTemplate); + } + } + addEmptyNodeTemplatesIfNoneDefined(serviceTemplate); + } + + + /** + * Converts from the ETSI PnfExtCp node type to ecomp v2.extCP node type + * The following properties are mapped + * - layer_protocols is mapped to ip_requirements if it contains the values ipv4 and/or ipv6 + * <p> + * All other data e.g. remaining properties, requirements, capabilities are + * not mapped over to ecomp equivalent + * + * @param pnfExtCp + * @return ecomp v2.extCP node type + */ + private NodeTemplate convertToEcompConnectionPointNodeType(Map<String, Object> pnfExtCp) { + NodeTemplate nodeTemplate = new NodeTemplate(); + nodeTemplate.setType(EXT_CP_TYPE); + Map<String, Object> properties = (Map<String, Object>) pnfExtCp.get("properties"); + for (Map.Entry<String, Object> property : properties.entrySet()) { + final String propertyName = property.getKey(); + if (LAYER_PROTOCOLS.equals(propertyName)) { + List<Map<String, Object>> ipRequirements = convertToIpRequirementsProperty((List<String>) property.getValue()); + if (isNotEmpty(ipRequirements)) { + Map<String, Object> convertedProperties = new HashMap<>(); + convertedProperties.put("ip_requirements", ipRequirements); + nodeTemplate.setProperties(convertedProperties); + } + } + } + return nodeTemplate; + } + + private List<Map<String, Object>> convertToIpRequirementsProperty(List<String> layerProtocols) { + return layerProtocols.stream() + .filter(layerProtocol -> IP_V4.equals(layerProtocol) || IP_V6.equals(layerProtocol)) + .map(this::createIpPropertyElement) + .collect(Collectors.toList()); + } + + private Map<String, Object> createIpPropertyElement(String ipVersion) { + final int version = ipVersion.equals(IP_V4) ? 4 : 6; + Map<String, Object> result = new HashMap<>(); + result.put(IP_VERSION, version); + result.put(ASSIGNMENT_METHOD, DHCP); + return result; + } + + private boolean isNotEmpty(List<?> list) { + return !list.isEmpty(); + } + + private void addEmptyNodeTemplatesIfNoneDefined(ServiceTemplate serviceTemplate) { + TopologyTemplate topologyTemplate = serviceTemplate.getTopology_template(); + if (Objects.isNull(topologyTemplate)) { + topologyTemplate = new TopologyTemplate(); + serviceTemplate.setTopology_template(topologyTemplate); + } + if (topologyTemplate.getNode_templates() == null) { + topologyTemplate.setNode_templates(new HashMap<>()); + } + } + +}
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