common/src/main/java/org/onap/so/client/sdno/dmaap/SDNOHealthCheckDmaapConsumer.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.so.client.sdno.dmaap;
  22
  23 import java.io.IOException;
  24 import java.util.Optional;
  25 import org.onap.so.client.dmaap.DmaapConsumer;
  26 import org.onap.so.client.exceptions.SDNOException;
  27 import org.onap.so.jsonpath.JsonPathUtil;
  28
  29 public class SDNOHealthCheckDmaapConsumer extends DmaapConsumer {
  30
  31         private final String uuid;
  32         private boolean continuePolling = true;
  33         private final static String healthDiagnosticPath = "body.output.*";
  34
  35         public SDNOHealthCheckDmaapConsumer() throws IOException {
  36                 this("none");
  37         }
  38
  39         public SDNOHealthCheckDmaapConsumer(String uuid) throws IOException {
  40                 super();
  41                 this.uuid = uuid;
  42         }
  43
  44         @Override
  45         public String getUserName() {
  46                 return msoProperties.get("sdno.health-check.dmaap.username");
  47         }
  48
  49         @Override
  50         public String getPassword() {
  51                 return msoProperties.get("sdno.health-check.dmaap.password");
  52         }
  53
  54         @Override
  55         public String getTopic() {
  56                 return msoProperties.get("sdno.health-check.dmaap.subscriber.topic");
  57         }
  58
  59         @Override
  60         public Optional<String> getHost() {
  61                 return Optional.ofNullable(msoProperties.get("sdno.health-check.dmaap.subscriber.host"));
  62         }
  63
  64         @Override
  65         public boolean continuePolling() {
  66                 return continuePolling;
  67         }
  68
  69         @Override
  70         public void stopProcessingMessages() {
  71                 continuePolling = false;
  72         }
  73         @Override
  74         public void processMessage(String message) throws Exception {
  75                 if (isHealthDiagnostic(message, this.getRequestId())) {
  76                         if (!healthDiagnosticSuccessful(message)) {
  77                                 Optional<String> statusMessage = this.getStatusMessage(message);
  78                                 if (statusMessage.isPresent()) {
  79                                         throw new SDNOException("failed with message " + statusMessage.get());
  80                                 } else {
  81                                         throw new SDNOException("failed with no status message");
  82                                 }
  83                         } else {
  84                                 logger.info("successful health diagnostic found for request: {}" ,getRequestId());
  85                                 stopProcessingMessages();
  86                         }
  87                 }
  88         }
  89
  90         @Override
  91         public boolean isAccepted(String message) {
  92                 if (isResultInfo(message)) {
  93                         Optional<String> code = isAccepted(message, this.getRequestId());
  94                         if (code.isPresent()) {
  95                                 if ("202".equals(code.get())) {
  96                                         return true;
  97                                 } else {
  98                                         //TODO check other statuses 400 and 500
  99                                 }
 100                         } else {
 101                                 //TODO throw error
 102                         }
 103                 }
 104
 105                 return false;
 106         }
 107
 108         @Override
 109         public boolean isFailure(String message) {
 110                 if (isResultInfo(message)) {
 111                         Optional<String> code = isFailure(message, this.getRequestId());
 112                         if (code.isPresent()) {
 113                                 if ("500".equals(code.get())) {
 114                                         return true;
 115                                 } else {
 116                                         //TODO check other statuses 400 and 500
 117                                 }
 118                         } else {
 119                                 //TODO throw error
 120                         }
 121                 }
 122
 123                 return false;
 124         }
 125
 126         @Override
 127         public String getRequestId() {
 128                 return uuid;
 129         }
 130
 131         protected Optional<String> isAccepted(String json, String uuid) {
 132                 return JsonPathUtil.getInstance().locateResult(json, String.format("$.result-info[?(@.status=='ACCEPTED' && @.request-id=='%s')].code", uuid));
 133         }
 134
 135         protected Optional<String> isFailure(String json, String uuid) {
 136                 return JsonPathUtil.getInstance().locateResult(json, String.format("$.result-info[?(@.status=='FAILURE' && @.request-id=='%s')].code", uuid));
 137         }
 138
 139         protected boolean isResultInfo(String json) {
 140                 return JsonPathUtil.getInstance().pathExists(json, "$[?(@.result-info)]");
 141         }
 142
 143         protected boolean isHealthDiagnostic(String json, String uuid) {
 144                 return JsonPathUtil.getInstance().pathExists(json, String.format("$[?(@.result-info.request-id=='%s')].%s", uuid, healthDiagnosticPath));
 145         }
 146
 147         protected boolean healthDiagnosticSuccessful(String json) {
 148                 return JsonPathUtil.getInstance().pathExists(json, "$." + healthDiagnosticPath + "[?(@.response-status=='Success')]");
 149         }
 150
 151         protected Optional<String> getStatusMessage(String json) {
 152                 return JsonPathUtil.getInstance().locateResult(json, "$." + healthDiagnosticPath + ".error-message");
 153         }
 154
 155         @Override
 156         public int getMaximumElapsedTime() {
 157                 return 600000;
 158         }
 159 }