2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END============================================
20 * ===================================================================
24 package org.onap.clamp.clds.client.req.tca;
26 import com.att.eelf.configuration.EELFLogger;
27 import com.att.eelf.configuration.EELFManager;
28 import com.fasterxml.jackson.databind.JsonNode;
29 import com.fasterxml.jackson.databind.node.ArrayNode;
30 import com.fasterxml.jackson.databind.node.ObjectNode;
32 import java.io.IOException;
35 import org.onap.clamp.clds.config.ClampProperties;
36 import org.onap.clamp.clds.exception.TcaRequestFormatterException;
37 import org.onap.clamp.clds.model.properties.ModelProperties;
38 import org.onap.clamp.clds.model.properties.Tca;
39 import org.onap.clamp.clds.model.properties.TcaItem;
40 import org.onap.clamp.clds.model.properties.TcaThreshold;
41 import org.yaml.snakeyaml.Yaml;
44 * Construct the requests for TCA policy and SDC.
46 public class TcaRequestFormatter {
48 protected static final EELFLogger logger = EELFManager.getInstance().getLogger(TcaRequestFormatter.class);
49 protected static final EELFLogger metricsLogger = EELFManager.getInstance().getMetricsLogger();
52 * Hide the default constructor.
54 private TcaRequestFormatter() {
58 * Format Tca Policy JSON request.
61 * The refProp generally created by Spring, it's an access on the
62 * clds-references.properties file
63 * @param modelProperties
64 * The Model Prop created from BPMN JSON and BPMN properties JSON
65 * @return The Json string containing that should be sent to policy
67 public static String createPolicyJson(ClampProperties refProp, ModelProperties modelProperties) {
69 String service = modelProperties.getGlobal().getService();
70 Tca tca = modelProperties.getType(Tca.class);
71 modelProperties.setCurrentModelElementId(tca.getId());
72 ObjectNode rootNode = (ObjectNode) refProp.getJsonTemplate("tca.policy.template", service);
73 String policyName = modelProperties.getCurrentPolicyScopeAndPolicyName();
74 rootNode.put("policyName", policyName);
75 ((ObjectNode) rootNode.get("content")).replace("tca_policy",
76 createPolicyContent(refProp, modelProperties, service, policyName, tca));
77 String tcaPolicyReq = rootNode.toString();
78 logger.info("tcaPolicyReq=" + tcaPolicyReq);
80 } catch (IOException e) {
81 throw new TcaRequestFormatterException("Exception caught when attempting to create the policy JSON", e);
86 * Format Tca Policy Content JSON
89 * The refProp generally created by Spring, it's an access on the
90 * clds-references.properties file
91 * @param modelProperties
92 * The Model Prop created from BPMN JSON and BPMN properties JSON
94 * The service ID, if not specified getGlobal.getService will be
97 * The policyName, if not specified the
98 * modelProperties.getCurrentPolicyScopeAndPolicyName will be
101 * The Tca object, if not specified the
102 * modelProperties.setCurrentModelElementId will be used
103 * @return The Json node containing what should be sent to policy
105 public static JsonNode createPolicyContent(ClampProperties refProp, ModelProperties modelProperties, String service,
106 String policyName, Tca tca) {
108 String serviceToUse = service;
109 String policyNameToUse = policyName;
111 if (serviceToUse == null) {
112 serviceToUse = modelProperties.getGlobal().getService();
114 if (tcaToUse == null) {
115 tcaToUse = modelProperties.getType(Tca.class);
116 modelProperties.setCurrentModelElementId(tcaToUse.getId());
118 if (policyNameToUse == null) {
119 policyNameToUse = modelProperties.getCurrentPolicyScopeAndPolicyName();
121 ObjectNode rootNode = (ObjectNode) refProp.getJsonTemplate("tca.template", serviceToUse);
122 ((ObjectNode) rootNode.get("metricsPerEventName").get(0)).put("eventName",
123 tcaToUse.getTcaItem().getEventName());
124 ((ObjectNode) rootNode.get("metricsPerEventName").get(0)).put("policyName", policyNameToUse);
125 ((ObjectNode) rootNode.get("metricsPerEventName").get(0)).put("controlLoopSchemaType",
126 tcaToUse.getTcaItem().getControlLoopSchemaType());
127 ObjectNode thresholdsParent = ((ObjectNode) rootNode.get("metricsPerEventName").get(0));
128 addThresholds(refProp, serviceToUse, thresholdsParent, tcaToUse.getTcaItem(), modelProperties);
129 logger.info("tcaPolicyContent=" + rootNode.toString());
131 } catch (IOException e) {
132 throw new TcaRequestFormatterException("Exception caught when attempting to create the policy content JSON",
138 * Add threshold values to the existing policy JSON.
141 * The refProp generally created by Spring, it's an access on the
142 * clds-references.properties file
144 * The Service value extracted from Global section of the Bpmn
146 * @param appendToNode
147 * The JSON structure from where the thresholds section must be
150 * The TCA item contained in the Tca object
151 * @param modelProperties
152 * The Model Properties created from BPMN JSON and BPMN
155 private static void addThresholds(ClampProperties refProp, String service, ObjectNode appendToNode, TcaItem tcaItem,
156 ModelProperties modelProperties) {
157 ArrayNode tcaNodes = appendToNode.withArray("thresholds");
160 tcaNode = (ObjectNode) refProp.getJsonTemplate("tca.thresholds.template", service);
161 for (TcaThreshold tcaThreshold : tcaItem.getTcaThresholds()) {
162 tcaNode.put("closedLoopControlName", modelProperties.getControlNameAndPolicyUniqueId());
163 tcaNode.put("fieldPath", tcaThreshold.getFieldPath());
164 tcaNode.put("thresholdValue", tcaThreshold.getThreshold());
165 tcaNode.put("direction", tcaThreshold.getOperator());
166 tcaNode.put("closedLoopEventStatus", tcaThreshold.getClosedLoopEventStatus());
167 tcaNodes.add(tcaNode);
169 } catch (IOException e) {
170 throw new TcaRequestFormatterException("Exception caught when attempting to create the thresholds JSON", e);
175 * This method updates the blueprint that is received in the UI with the TCA
179 * * The refProp generally created by Spring, it's an access on
180 * the clds-references.properties file
181 * @param modelProperties
182 * The Model Prop created from BPMN JSON and BPMN properties JSON
184 * The yaml string received from the UI
185 * @return The updated YAML as a string
187 public static String updatedBlueprintWithConfiguration(ClampProperties refProp, ModelProperties modelProperties,
189 String jsonPolicy = ((ObjectNode) createPolicyContent(refProp, modelProperties, null, null, null)).toString();
190 logger.info("Yaml that will be updated:" + yamlValue);
191 Yaml yaml = new Yaml();
192 Map<String, Object> loadedYaml = (Map<String, Object>) yaml.load(yamlValue);
193 Map<String, Object> nodeTemplates = (Map<String, Object>) loadedYaml.get("node_templates");
194 Map<String, Object> tcaObject = (Map<String, Object>) nodeTemplates.get("tca_tca");
195 Map<String, Object> propsObject = (Map<String, Object>) tcaObject.get("properties");
196 Map<String, Object> appPreferences = (Map<String, Object>) propsObject.get("app_preferences");
197 appPreferences.put("tca_policy", jsonPolicy);
198 String blueprint = yaml.dump(loadedYaml);
199 logger.info("Yaml updated:" + blueprint);