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 * Modifications copyright (c) 2018 Nokia
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21 * ===================================================================
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25 package org.onap.clamp.clds.client;
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27 import com.att.eelf.configuration.EELFLogger;
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28 import com.att.eelf.configuration.EELFManager;
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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.apache.camel.CamelContext;
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34 import org.apache.camel.Exchange;
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35 import org.apache.camel.builder.ExchangeBuilder;
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36 import org.json.simple.JSONArray;
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37 import org.json.simple.JSONObject;
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38 import org.json.simple.parser.JSONParser;
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39 import org.json.simple.parser.ParseException;
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40 import org.onap.clamp.clds.config.ClampProperties;
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41 import org.onap.clamp.clds.model.dcae.DcaeInventoryResponse;
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42 import org.onap.clamp.clds.util.JsonUtils;
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43 import org.onap.clamp.clds.util.LoggingUtils;
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44 import org.springframework.beans.factory.annotation.Autowired;
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45 import org.springframework.stereotype.Component;
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48 * This class implements the communication with DCAE for the service inventory.
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51 public class DcaeInventoryServices {
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54 CamelContext camelContext;
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56 protected static final EELFLogger logger = EELFManager.getInstance().getLogger(DcaeInventoryServices.class);
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57 protected static final EELFLogger auditLogger = EELFManager.getInstance().getAuditLogger();
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58 protected static final EELFLogger metricsLogger = EELFManager.getInstance().getMetricsLogger();
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59 public static final String DCAE_INVENTORY_URL = "dcae.inventory.url";
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60 public static final String DCAE_INVENTORY_RETRY_INTERVAL = "dcae.intentory.retry.interval";
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61 public static final String DCAE_INVENTORY_RETRY_LIMIT = "dcae.intentory.retry.limit";
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62 private final ClampProperties refProp;
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68 public DcaeInventoryServices(ClampProperties refProp) {
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69 this.refProp = refProp;
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72 private int getTotalCountFromDcaeInventoryResponse(String responseStr) throws ParseException {
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73 JSONParser parser = new JSONParser();
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74 Object obj0 = parser.parse(responseStr);
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75 JSONObject jsonObj = (JSONObject) obj0;
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76 Long totalCount = (Long) jsonObj.get("totalCount");
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77 return totalCount.intValue();
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80 private DcaeInventoryResponse getItemsFromDcaeInventoryResponse(String responseStr) throws ParseException {
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81 JSONParser parser = new JSONParser();
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82 Object obj0 = parser.parse(responseStr);
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83 JSONObject jsonObj = (JSONObject) obj0;
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84 JSONArray itemsArray = (JSONArray) jsonObj.get("items");
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85 JSONObject dcaeServiceType0 = (JSONObject) itemsArray.get(0);
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86 return JsonUtils.GSON.fromJson(dcaeServiceType0.toString(), DcaeInventoryResponse.class);
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90 * DO a query to DCAE to get some Information.
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92 * @param artifactName The artifact Name
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93 * @param serviceUuid The service UUID
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94 * @param resourceUuid The resource UUID
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95 * @return The DCAE inventory for the artifact in DcaeInventoryResponse
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96 * @throws IOException In case of issues with the stream
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97 * @throws ParseException In case of issues with the Json parsing
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99 public DcaeInventoryResponse getDcaeInformation(String artifactName, String serviceUuid, String resourceUuid)
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100 throws IOException, ParseException, InterruptedException {
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101 LoggingUtils.setTargetContext("DCAE", "getDcaeInformation");
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103 int retryInterval = 0;
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104 int retryLimit = 1;
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105 if (refProp.getStringValue(DCAE_INVENTORY_RETRY_LIMIT) != null) {
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106 retryLimit = Integer.valueOf(refProp.getStringValue(DCAE_INVENTORY_RETRY_LIMIT));
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108 if (refProp.getStringValue(DCAE_INVENTORY_RETRY_INTERVAL) != null) {
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109 retryInterval = Integer.valueOf(refProp.getStringValue(DCAE_INVENTORY_RETRY_INTERVAL));
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111 for (int i = 0; i < retryLimit; i++) {
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112 Exchange myCamelExchange = ExchangeBuilder.anExchange(camelContext)
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113 .withProperty("blueprintResourceId", resourceUuid).withProperty("blueprintServiceId", serviceUuid)
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114 .withProperty("blueprintName", artifactName).build();
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115 metricsLogger.info("Attempt n°" + i + " to contact DCAE inventory");
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117 Exchange exchangeResponse = camelContext.createProducerTemplate()
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118 .send("direct:get-dcae-blueprint-inventory", myCamelExchange);
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120 if (Integer.valueOf(200).equals(exchangeResponse.getIn().getHeader("CamelHttpResponseCode"))) {
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121 String dcaeResponse = (String) exchangeResponse.getIn().getBody();
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122 int totalCount = getTotalCountFromDcaeInventoryResponse(dcaeResponse);
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123 metricsLogger.info("getDcaeInformation complete: totalCount returned=" + totalCount);
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124 if (totalCount > 0) {
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125 logger.info("getDcaeInformation, answer from DCAE inventory:" + dcaeResponse);
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126 LoggingUtils.setResponseContext("0", "Get Dcae Information success", this.getClass().getName());
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127 Date startTime = new Date();
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128 LoggingUtils.setTimeContext(startTime, new Date());
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129 return getItemsFromDcaeInventoryResponse(dcaeResponse);
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131 logger.info("Dcae inventory totalCount returned is 0, so waiting " + retryInterval
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132 + "ms before retrying ...");
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133 // wait for a while and try to connect to DCAE again
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134 Thread.sleep(retryInterval);
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138 logger.warn("Dcae inventory totalCount returned is still 0, after " + retryLimit + " attempts, returning NULL");
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