2 * ============LICENSE_START=======================================================
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4 * ================================================================================
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5 * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights
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7 * ================================================================================
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8 * Licensed under the Apache License, Version 2.0 (the "License");
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9 * you may not use this file except in compliance with the License.
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10 * You may obtain a copy of the License at
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12 * http://www.apache.org/licenses/LICENSE-2.0
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14 * Unless required by applicable law or agreed to in writing, software
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15 * distributed under the License is distributed on an "AS IS" BASIS,
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16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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17 * See the License for the specific language governing permissions and
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18 * limitations under the License.
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19 * ============LICENSE_END============================================
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20 * ===================================================================
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24 package org.onap.clamp.clds.client;
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26 import com.att.eelf.configuration.EELFLogger;
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27 import com.att.eelf.configuration.EELFManager;
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29 import com.google.gson.JsonObject;
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30 import java.io.IOException;
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31 import java.util.Date;
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33 import org.json.simple.JSONObject;
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34 import org.json.simple.parser.JSONParser;
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35 import org.json.simple.parser.ParseException;
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36 import org.onap.clamp.clds.config.ClampProperties;
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37 import org.onap.clamp.clds.exception.dcae.DcaeDeploymentException;
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38 import org.onap.clamp.clds.util.LoggingUtils;
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39 import org.onap.clamp.util.HttpConnectionManager;
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40 import org.springframework.beans.factory.annotation.Autowired;
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41 import org.springframework.stereotype.Component;
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44 * This class implements the communication with DCAE for the service
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48 public class DcaeDispatcherServices {
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50 protected static final EELFLogger logger = EELFManager.getInstance().getLogger(DcaeDispatcherServices.class);
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51 protected static final EELFLogger metricsLogger = EELFManager.getInstance().getMetricsLogger();
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52 private final ClampProperties refProp;
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53 private final HttpConnectionManager dcaeHttpConnectionManager;
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54 private static final String STATUS_URL_LOG = "Status URL extracted: ";
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55 private static final String DCAE_URL_PREFIX = "/dcae-deployments/";
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56 private static final String DCAE_URL_PROPERTY_NAME = "dcae.dispatcher.url";
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57 public static final String DCAE_REQUESTID_PROPERTY_NAME = "dcae.header.requestId";
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58 private static final String DCAE_LINK_FIELD = "links";
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59 private static final String DCAE_STATUS_FIELD = "status";
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62 public DcaeDispatcherServices(ClampProperties refProp, HttpConnectionManager dcaeHttpConnectionManager) {
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63 this.refProp = refProp;
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64 this.dcaeHttpConnectionManager = dcaeHttpConnectionManager;
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68 * Get the Operation Status from a specified URL with retry.
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69 * @param operationStatusUrl
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70 * The URL of the DCAE
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71 * @return The status
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72 * @throws InterruptedException Exception during the retry
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74 public String getOperationStatusWithRetry(String operationStatusUrl) throws InterruptedException {
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75 String operationStatus = "";
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76 for (int i = 0; i < Integer.valueOf(refProp.getStringValue("dcae.dispatcher.retry.limit")); i++) {
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77 logger.info("Trying to get Operation status on DCAE for url:" + operationStatusUrl);
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78 operationStatus = getOperationStatus(operationStatusUrl);
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79 logger.info("Current Status is:" + operationStatus);
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80 if (!"processing".equalsIgnoreCase(operationStatus)) {
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81 return operationStatus;
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83 Thread.sleep(Integer.valueOf(refProp.getStringValue("dcae.dispatcher.retry.interval")));
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86 logger.warn("Number of attempts on DCAE is over, stopping the getOperationStatus method");
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87 return operationStatus;
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91 * Get the Operation Status from a specified URL.
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93 * The URL provided by a previous DCAE Query
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94 * @return The status
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96 public String getOperationStatus(String statusUrl) {
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97 // Assigning processing status to monitor operation status further
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98 String opStatus = "processing";
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99 Date startTime = new Date();
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100 LoggingUtils.setTargetContext("DCAE", "getOperationStatus");
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102 String responseStr = dcaeHttpConnectionManager.doGeneralHttpQuery(statusUrl, "GET", null, null, "DCAE");
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103 JSONObject jsonObj = parseResponse(responseStr);
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104 String operationType = (String) jsonObj.get("operationType");
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105 String status = (String) jsonObj.get(DCAE_STATUS_FIELD);
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106 logger.info("Operation Type - " + operationType + ", Status " + status);
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107 LoggingUtils.setResponseContext("0", "Get operation status success", this.getClass().getName());
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109 } catch (Exception e) {
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110 LoggingUtils.setResponseContext("900", "Get operation status failed", this.getClass().getName());
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111 LoggingUtils.setErrorContext("900", "Get operation status error");
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112 logger.error("Exception occurred during getOperationStatus Operation with DCAE", e);
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114 LoggingUtils.setTimeContext(startTime, new Date());
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115 metricsLogger.info("getOperationStatus complete");
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121 * Returns status URL for createNewDeployment operation.
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122 * @param deploymentId
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123 * The deployment ID
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124 * @param serviceTypeId
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126 * @param blueprintInputJson
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127 * The value for each blueprint parameters in a flat JSON
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128 * @return The status URL
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130 public String createNewDeployment(String deploymentId, String serviceTypeId, JsonObject blueprintInputJson) {
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131 Date startTime = new Date();
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132 LoggingUtils.setTargetContext("DCAE", "createNewDeployment");
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134 JsonObject rootObject = refProp.getJsonTemplate("dcae.deployment.template").getAsJsonObject();
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135 rootObject.addProperty("serviceTypeId", serviceTypeId);
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136 if (blueprintInputJson != null) {
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137 rootObject.add("inputs", blueprintInputJson);
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139 String apiBodyString = rootObject.toString();
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140 logger.info("Dcae api Body String - " + apiBodyString);
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141 String url = refProp.getStringValue(DCAE_URL_PROPERTY_NAME) + DCAE_URL_PREFIX + deploymentId;
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142 String statusUrl = getDcaeResponse(url, "PUT", apiBodyString, "application/json", DCAE_LINK_FIELD,
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143 DCAE_STATUS_FIELD);
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144 LoggingUtils.setResponseContext("0", "Create new deployment failed", this.getClass().getName());
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146 } catch (Exception e) {
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147 LoggingUtils.setResponseContext("900", "Create new deployment failed", this.getClass().getName());
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148 LoggingUtils.setErrorContext("900", "Create new deployment error");
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149 logger.error("Exception occurred during createNewDeployment Operation with DCAE", e);
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150 throw new DcaeDeploymentException("Exception occurred during createNewDeployment Operation with DCAE", e);
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152 LoggingUtils.setTimeContext(startTime, new Date());
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153 metricsLogger.info("createNewDeployment complete");
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158 * Returns status URL for deleteExistingDeployment operation.
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159 * @param deploymentId
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160 * The deployment ID
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161 * @param serviceTypeId
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162 * The service Type ID
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163 * @return The status URL
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165 public String deleteExistingDeployment(String deploymentId, String serviceTypeId) {
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166 Date startTime = new Date();
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167 LoggingUtils.setTargetContext("DCAE", "deleteExistingDeployment");
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169 String apiBodyString = "{\"serviceTypeId\": \"" + serviceTypeId + "\"}";
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170 logger.info("Dcae api Body String - " + apiBodyString);
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171 String url = refProp.getStringValue(DCAE_URL_PROPERTY_NAME) + DCAE_URL_PREFIX + deploymentId;
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172 String statusUrl = getDcaeResponse(url, "DELETE", apiBodyString, "application/json", DCAE_LINK_FIELD,
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173 DCAE_STATUS_FIELD);
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174 LoggingUtils.setResponseContext("0", "Delete existing deployment success", this.getClass().getName());
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177 } catch (Exception e) {
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178 LoggingUtils.setResponseContext("900", "Delete existing deployment failed", this.getClass().getName());
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179 LoggingUtils.setErrorContext("900", "Delete existing deployment error");
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180 logger.error("Exception occurred during deleteExistingDeployment Operation with DCAE", e);
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181 throw new DcaeDeploymentException("Exception occurred during deleteExistingDeployment Operation with DCAE",
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184 LoggingUtils.setTimeContext(startTime, new Date());
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185 metricsLogger.info("deleteExistingDeployment complete");
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189 private String getDcaeResponse(String url, String requestMethod, String payload, String contentType, String node,
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190 String nodeAttr) throws IOException, ParseException {
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191 Date startTime = new Date();
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193 String responseStr = dcaeHttpConnectionManager.doGeneralHttpQuery(url, requestMethod, payload, contentType, "DCAE");
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194 JSONObject jsonObj = parseResponse(responseStr);
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195 JSONObject linksObj = (JSONObject) jsonObj.get(node);
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196 String statusUrl = (String) linksObj.get(nodeAttr);
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197 logger.info(STATUS_URL_LOG + statusUrl);
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199 } catch (IOException | ParseException e) {
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200 logger.error("Exception occurred getting response from DCAE", e);
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203 LoggingUtils.setTimeContext(startTime, new Date());
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204 metricsLogger.info("getDcaeResponse complete");
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208 private JSONObject parseResponse(String responseStr) throws ParseException {
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209 JSONParser parser = new JSONParser();
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210 Object obj0 = parser.parse(responseStr);
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211 JSONObject jsonObj = (JSONObject) obj0;
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