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;
29 import com.google.gson.JsonArray;
30 import com.google.gson.JsonObject;
31 import java.io.IOException;
34 import org.onap.clamp.clds.config.ClampProperties;
35 import org.onap.clamp.clds.exception.TcaRequestFormatterException;
36 import org.onap.clamp.clds.model.properties.ModelProperties;
37 import org.onap.clamp.clds.model.properties.Tca;
38 import org.onap.clamp.clds.model.properties.TcaItem;
39 import org.onap.clamp.clds.model.properties.TcaThreshold;
40 import org.onap.clamp.clds.util.JsonUtils;
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 // Always one tcaItem so must be set to id 0
73 modelProperties.setPolicyUniqueId("0");
74 JsonObject rootNode = refProp.getJsonTemplate("tca.policy.template", service ).getAsJsonObject();
75 String policyName = modelProperties.getCurrentPolicyScopeAndPolicyName();
76 rootNode.addProperty("policyName", policyName);
77 rootNode.get("content").getAsJsonObject().add("tca_policy",
78 createPolicyContent(refProp, modelProperties, service, policyName, tca));
79 String tcaPolicyReq = rootNode.toString();
80 logger.info("tcaPolicyReq=" + tcaPolicyReq);
82 } catch (IOException e) {
83 throw new TcaRequestFormatterException("Exception caught when attempting to create the policy JSON", e);
88 * Format Tca Policy Content JSON
91 * The refProp generally created by Spring, it's an access on the
92 * clds-references.properties file
93 * @param modelProperties
94 * The Model Prop created from BPMN JSON and BPMN properties JSON
96 * The service ID, if not specified getGlobal.getService will be
99 * The policyName, if not specified the
100 * modelProperties.getCurrentPolicyScopeAndPolicyName will be
103 * The Tca object, if not specified the
104 * modelProperties.setCurrentModelElementId will be used
105 * @return The Json node containing what should be sent to policy
107 public static JsonObject createPolicyContent(ClampProperties refProp, ModelProperties modelProperties, String service,
108 String policyName, Tca tca) {
110 String serviceToUse = service;
111 String policyNameToUse = policyName;
113 if (serviceToUse == null) {
114 serviceToUse = modelProperties.getGlobal().getService();
116 if (tcaToUse == null) {
117 tcaToUse = modelProperties.getType(Tca.class);
118 modelProperties.setCurrentModelElementId(tcaToUse.getId());
120 if (policyNameToUse == null) {
121 policyNameToUse = modelProperties.getCurrentPolicyScopeAndPolicyName();
123 JsonObject rootNode = refProp.getJsonTemplate("tca.template", serviceToUse).getAsJsonObject();
124 JsonObject metricsPerEventName = rootNode.get("metricsPerEventName").getAsJsonArray().get(0).getAsJsonObject();
125 metricsPerEventName.addProperty("eventName", tcaToUse.getTcaItem().getEventName());
126 metricsPerEventName.addProperty("policyName", policyNameToUse);
127 metricsPerEventName.addProperty("controlLoopSchemaType",tcaToUse.getTcaItem().getControlLoopSchemaType());
128 addThresholds(refProp, serviceToUse, metricsPerEventName, 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, JsonObject appendToNode, TcaItem tcaItem,
156 ModelProperties modelProperties) {
157 JsonArray tcaNodes = appendToNode.get("thresholds").getAsJsonArray();
159 for (TcaThreshold tcaThreshold : tcaItem.getTcaThresholds()) {
160 JsonObject tcaNode = refProp.getJsonTemplate("tca.thresholds.template", service).getAsJsonObject();
161 tcaNode.addProperty("closedLoopControlName", modelProperties.getControlNameAndPolicyUniqueId());
162 tcaNode.addProperty("fieldPath", tcaThreshold.getFieldPath());
163 tcaNode.addProperty("thresholdValue", tcaThreshold.getThreshold());
164 tcaNode.addProperty("direction", tcaThreshold.getOperator());
165 tcaNode.addProperty("closedLoopEventStatus", tcaThreshold.getClosedLoopEventStatus());
166 tcaNodes.add(tcaNode);
168 } catch (IOException e) {
169 throw new TcaRequestFormatterException("Exception caught when attempting to create the thresholds JSON", e);
174 * This method updates the blueprint that is received in the UI with the TCA
178 * * The refProp generally created by Spring, it's an access on
179 * the clds-references.properties file
180 * @param modelProperties
181 * The Model Prop created from BPMN JSON and BPMN properties JSON
183 * The yaml string received from the UI
184 * @return The updated YAML as a string
186 public static String updatedBlueprintWithConfiguration(ClampProperties refProp, ModelProperties modelProperties,
188 String jsonPolicy = JsonUtils.GSON.toJson(createPolicyContent(refProp, modelProperties, null, null, null));
189 logger.info("Yaml that will be updated:" + yamlValue);
190 Yaml yaml = new Yaml();
191 Map<String, Object> loadedYaml = (Map<String, Object>) yaml.load(yamlValue);
192 Map<String, Object> nodeTemplates = (Map<String, Object>) loadedYaml.get("node_templates");
193 Map<String, Object> tcaObject = (Map<String, Object>) nodeTemplates.get("tca_tca");
194 Map<String, Object> propsObject = (Map<String, Object>) tcaObject.get("properties");
195 Map<String, Object> appPreferences = (Map<String, Object>) propsObject.get("app_preferences");
196 appPreferences.put("tca_policy", jsonPolicy);
197 String blueprint = yaml.dump(loadedYaml);
198 logger.info("Yaml updated:" + blueprint);