--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * 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.
+ *
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.appc.dg.dependencymanager.helper;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
+import org.apache.commons.lang3.StringUtils;
+import org.onap.appc.dg.flowbuilder.exception.InvalidDependencyModel;
+import org.onap.appc.dg.objects.Node;
+import org.onap.appc.dg.objects.VnfcDependencyModel;
+import org.onap.appc.domainmodel.Vnfc;
+
+import java.io.IOException;
+import java.util.*;
+
+
+public class DependencyModelParser {
+
+ private static final EELFLogger logger = EELFManager.getInstance().getLogger(DependencyModelParser.class);
+ private static Map<String, String> dependencyMap;
+ private static final String PROPERTIES = "properties";
+ private static final String ACTIVE_ACTIVE = "Active-Active";
+ private static final String ACTIVE_PASSIVE = "Active-Passive";
+ private static final String HIGH_AVAILABLITY = "high_availablity";
+ private static final String MANDATORY = "mandatory";
+ private static final String TOPOLOGY_TEMPLATE = "topology_template";
+
+ static {
+ Map<String, String> dependencyTypeMappingMap =new HashMap<>();
+ dependencyTypeMappingMap.put("geo-activeactive", ACTIVE_ACTIVE);
+ dependencyTypeMappingMap.put("geo-activestandby", ACTIVE_PASSIVE);
+ dependencyTypeMappingMap.put("local-activeactive", ACTIVE_ACTIVE);
+ dependencyTypeMappingMap.put("local-activestandby", ACTIVE_PASSIVE);
+ dependencyMap = Collections.unmodifiableMap(dependencyTypeMappingMap);
+ }
+
+ public VnfcDependencyModel generateDependencyModel(String vnfModel,String vnfType) {
+ Set<Node<Vnfc>> dependencies = new HashSet<>();
+ ObjectMapper mapper = new ObjectMapper(new YAMLFactory());
+ boolean mandatory;
+ String resilienceType;
+ String prefix = "org.openecomp.resource.vfc."+vnfType+".abstract.nodes.";
+ try {
+ ObjectNode root = (ObjectNode) mapper.readTree(vnfModel);
+
+ if(root.get(TOPOLOGY_TEMPLATE) == null || root.get(TOPOLOGY_TEMPLATE).get("node_templates") == null) {
+ throw new InvalidDependencyModel("Dependency model is missing 'topology_template' or 'node_templates' elements");
+ }
+
+ JsonNode topologyTemplateNode = root.get(TOPOLOGY_TEMPLATE);
+ JsonNode nodeTemplateNode = topologyTemplateNode.get("node_templates");
+ Iterator<Map.Entry<String, JsonNode>> itretor = nodeTemplateNode.fields();
+ for (JsonNode yamlNode : nodeTemplateNode) {
+ logger.debug("Processing node: " + yamlNode);
+ String fullvnfcType = itretor.next().getValue().get("type").textValue();
+ String vnfcType= getQualifiedVnfcType(fullvnfcType);
+ String type = yamlNode.get("type").textValue();
+ type = type.substring(0,type.lastIndexOf(".")+1);
+ if(type.concat(vnfcType).toLowerCase().startsWith(prefix.concat(vnfcType).toLowerCase())) {
+
+ if(yamlNode.get(PROPERTIES).findValue(HIGH_AVAILABLITY) == null || yamlNode.get(PROPERTIES).findValue(HIGH_AVAILABLITY).asText().isEmpty()) {
+ resilienceType = ACTIVE_ACTIVE;
+ }else {
+ resilienceType = dependencyMap.get(yamlNode.get(PROPERTIES).findValue(HIGH_AVAILABLITY).textValue());
+ }
+
+ if(yamlNode.get(PROPERTIES).findValue(MANDATORY) == null || yamlNode.get(PROPERTIES).findValue(MANDATORY).asText().isEmpty()) {
+ mandatory = false;
+ }else {
+ mandatory = yamlNode.get(PROPERTIES).findValue(MANDATORY).booleanValue();
+ }
+ String[] parentList = getDependencyArray(yamlNode,nodeTemplateNode);
+ Node<Vnfc> vnfcNode = getNode(dependencies, vnfcType);
+ if (vnfcNode != null) {
+ logger.debug("Dependency node already exists for vnfc Type: " + vnfcType);
+ if (StringUtils.isEmpty(vnfcNode.getChild().getResilienceType())) {
+ logger.debug("Updating resilience type, dependencies and mandatory attribute for VNFC type: " + vnfcType);
+ vnfcNode.getChild().setResilienceType(resilienceType);
+ if (parentList != null && parentList.length > 0) {
+ addDependencies(dependencies, vnfcNode, parentList);
+ }
+ vnfcNode.getChild().setMandatory(mandatory);
+ }
+
+ } else {
+ logger.debug("Creating dependency node for : " + vnfcType);
+ vnfcNode = new Node<>(new Vnfc(vnfcType, resilienceType, null, mandatory));
+ if (parentList != null && parentList.length > 0)
+ addDependencies(dependencies, vnfcNode, parentList);
+ logger.debug("Adding VNFC to dependency model : " + vnfcNode);
+ dependencies.add(vnfcNode);
+ }
+ }
+ }
+ } catch (IOException e) {
+ logger.error("Error parsing dependency model : " + vnfModel);
+ logger.error("Error message : " + e);
+ throw new InvalidDependencyModel("Error parsing dependency model. " + e.getMessage());
+ }
+ return new VnfcDependencyModel(dependencies);
+ }
+
+ private String getQualifiedVnfcType(String fullvnfcType) {
+ return fullvnfcType.substring(fullvnfcType.lastIndexOf(".")+1,fullvnfcType.length());
+ }
+
+ private void addDependencies(Set<Node<Vnfc>> nodes, Node node, String[] parentList) {
+ for (String type : parentList) {
+ String parentType = getVnfcType(type);
+ Node<Vnfc> parentNode = getNode(nodes, parentType);
+ if (parentNode != null) {
+ logger.debug("VNFC already exists for VNFC type: " + parentType + ". Adding it to parent list ");
+ node.addParent(parentNode.getChild());
+ } else {
+ logger.debug("VNFC does not exist for VNFC type: " + parentType + ". Creating new VNFC ");
+ parentNode = new Node<>(new Vnfc(parentType, null));
+ node.addParent(parentNode.getChild());
+ logger.debug("Adding VNFC to dependency model : " + parentNode);
+ nodes.add(parentNode);
+ }
+ }
+ }
+
+ private String[] getDependencyArray(JsonNode node, JsonNode nodeTemplateNode) {
+ JsonNode requirementsNode = node.get("requirements");
+ List<String> dependencyList = new ArrayList();
+ if(requirementsNode!=null) {
+ for (JsonNode internalNode : requirementsNode) {
+ //TODO : In this release we are supporting both relationship = tosca.capabilities.Node and relationship =tosca.relationships.DependsOn we need to remove one of them in next release post confirming with SDC team
+ if (nodeNullCheck(internalNode) &&"tosca.capabilities.Node".equalsIgnoreCase(internalNode.findValue("capability").asText())
+ && ("tosca.relationships.DependsOn".equalsIgnoreCase(internalNode.findValue("relationship").asText()) || "tosca.capabilities.Node".equalsIgnoreCase(internalNode.findValue("relationship").asText()))) {
+ if(internalNode.findValue("node") != null) {
+ String nodeName = internalNode.findValue("node").asText();
+ String fullVnfcName = nodeTemplateNode.get(nodeName).get("type").asText();
+ dependencyList.add(getQualifiedVnfcType(fullVnfcName));
+ }else{
+ throw new InvalidDependencyModel("Error parsing dependency model. " + "Dependent Node not found for "+ node.get("type"));
+ }
+ }
+ }
+ return dependencyList.toArray(new String[0]);
+ }else{
+ return new String[0];
+ }
+ }
+
+ private boolean nodeNullCheck(JsonNode internalNode) {
+ return internalNode.get("dependency") != null && internalNode.findValue("capability") != null && internalNode.findValue("relationship") != null;
+ }
+
+ private Node<Vnfc> getNode(Set<Node<Vnfc>> nodes, String vnfcType) {
+ Iterator itr = nodes.iterator();
+ Node<Vnfc> node;
+ while (itr.hasNext()) {
+ node = (Node<Vnfc>) itr.next();
+ if (node.getChild().getVnfcType().equalsIgnoreCase(vnfcType)) {
+ return node;
+ }
+ }
+ return null;
+ }
+
+ private String getVnfcType(String type) {
+ return type.substring(type.lastIndexOf('.') + 1, type.length());
+ }
+
+}
Code Review / appc.git / blobdiff