src/main/java/org/onap/nbi/apis/servicecatalog/SdcClient.java

   1 /**
   2  * Copyright (c) 2018 Orange
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
   5  * in compliance with the License. You may obtain a copy of the License at
   6  *
   7  * http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software distributed under the License
  10  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
  11  * or implied. See the License for the specific language governing permissions and limitations under
  12  * the License.
  13  */
  14 package org.onap.nbi.apis.servicecatalog;
  15
  16 import java.io.File;
  17 import java.io.FileOutputStream;
  18 import java.io.IOException;
  19 import java.io.InputStream;
  20 import java.net.URI;
  21 import java.nio.file.Files;
  22 import java.nio.file.Path;
  23 import java.nio.file.StandardCopyOption;
  24 import java.util.LinkedHashMap;
  25 import java.util.List;
  26 import java.util.Map;
  27 import java.util.Map.Entry;
  28 import javax.annotation.PostConstruct;
  29 import org.apache.commons.io.IOUtils;
  30 import org.onap.nbi.OnapComponentsUrlPaths;
  31 import org.onap.nbi.exceptions.BackendFunctionalException;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34 import org.springframework.beans.factory.annotation.Autowired;
  35 import org.springframework.beans.factory.annotation.Value;
  36 import org.springframework.http.HttpEntity;
  37 import org.springframework.http.HttpHeaders;
  38 import org.springframework.http.HttpMethod;
  39 import org.springframework.http.HttpStatus;
  40 import org.springframework.http.MediaType;
  41 import org.springframework.http.ResponseEntity;
  42 import org.springframework.stereotype.Service;
  43 import org.springframework.util.MultiValueMap;
  44 import org.springframework.web.client.RestTemplate;
  45 import org.springframework.web.util.UriComponentsBuilder;
  46
  47 /**
  48  * @author user
  49  *
  50  */
  51 @Service
  52 public class SdcClient {
  53
  54     @Autowired
  55     private RestTemplate restTemplate;
  56
  57     @Value("${sdc.host}")
  58     private String sdcHost;
  59
  60     @Value("${sdc.header.ecompInstanceId}")
  61     private String ecompInstanceId;
  62
  63     @Value("${sdc.header.authorization}")
  64     private String sdcHeaderAuthorization;
  65
  66     private static final String HEADER_ECOMP_INSTANCE_ID = "x-ecomp-instanceid";
  67     private static final String HEADER_AUTHORIZATION = "Authorization";
  68
  69     private static final Logger LOGGER = LoggerFactory.getLogger(SdcClient.class);
  70
  71
  72
  73     private String sdcGetUrl;
  74     private String sdcFindUrl;
  75     private String sdcHealthCheck;
  76
  77     @PostConstruct
  78     private void setUpAndLogSDCUrl() {
  79         sdcGetUrl= new StringBuilder().append(sdcHost).append(OnapComponentsUrlPaths.SDC_ROOT_URL+"/{id}"+OnapComponentsUrlPaths.SDC_GET_PATH).toString();
  80         sdcFindUrl = new StringBuilder().append(sdcHost).append(OnapComponentsUrlPaths.SDC_ROOT_URL).toString();
  81         sdcHealthCheck = new StringBuilder().append(sdcHost).append(OnapComponentsUrlPaths.SDC_HEALTH_CHECK).toString();
  82
  83
  84
  85         LOGGER.info("SDC GET url :  "+sdcGetUrl);
  86         LOGGER.info("SDC FIND url :  "+ sdcFindUrl);
  87         LOGGER.info("SDC HealthCheck :  "+ sdcHealthCheck);
  88
  89     }
  90
  91
  92     public Map callGet(String id) {
  93
  94         String callUrl = sdcGetUrl.replace("{id}", id);
  95         UriComponentsBuilder callURLFormated = UriComponentsBuilder.fromHttpUrl(callUrl);
  96         ResponseEntity<Object> response = callSdc(callURLFormated.build().encode().toUri());
  97         return (LinkedHashMap) response.getBody();
  98
  99     }
 100
 101     public List<LinkedHashMap> callFind(MultiValueMap<String, String> parametersMap) {
 102
 103         UriComponentsBuilder callURI = UriComponentsBuilder.fromHttpUrl(sdcFindUrl);
 104         if (parametersMap != null) {
 105             Map<String, String> stringStringMap = parametersMap.toSingleValueMap();
 106             for (Entry<String, String> entry : stringStringMap.entrySet()) {
 107                 if (!entry.getKey().equals("fields")) {
 108                     callURI.queryParam(entry.getKey(), entry.getValue());
 109                 }
 110             }
 111         }
 112
 113         ResponseEntity<Object> response = callSdc(callURI.build().encode().toUri());
 114         return (List<LinkedHashMap>) response.getBody();
 115
 116     }
 117
 118     public LinkedHashMap callCheckConnectivity() {
 119
 120         UriComponentsBuilder callURI = UriComponentsBuilder.fromHttpUrl(sdcHealthCheck);
 121         ResponseEntity<Object> response = callSdc(callURI.build().encode().toUri());
 122         return (LinkedHashMap) response.getBody();
 123
 124     }
 125
 126
 127
 128     public File callGetWithAttachment(String toscaModelUrl) {
 129         StringBuilder urlBuilder = new StringBuilder().append(sdcHost).append(toscaModelUrl);
 130
 131         UriComponentsBuilder callURI = UriComponentsBuilder.fromHttpUrl(urlBuilder.toString());
 132
 133         File directory = new File("temptoscafile");
 134         if (! directory.exists()){
 135             directory.mkdir();
 136         }
 137
 138         String fileName = "temptoscafile/"+System.currentTimeMillis() + "tosca.csar";
 139         ResponseEntity<byte[]> response = callSdcWithAttachment(callURI.build().encode().toUri());
 140         File toscaFile = new File(fileName);
 141         try {
 142             FileOutputStream toscaFileStream = new FileOutputStream(toscaFile);
 143             if (response != null) {
 144                 IOUtils.write(response.getBody(), toscaFileStream);
 145             }
 146             toscaFileStream.close();
 147         } catch (IOException e) {
 148             LOGGER.error("cannot get TOSCA File for url " + toscaModelUrl, e);
 149         }
 150         return toscaFile;
 151
 152     }
 153
 154     public Path getServiceToscaModel(String uuid) throws IOException {
 155         StringBuilder urlBuilder = new StringBuilder().append(sdcHost).append(OnapComponentsUrlPaths.SDC_ROOT_URL)
 156                 .append("/").append(uuid).append(OnapComponentsUrlPaths.SDC_TOSCA_PATH);
 157
 158         UriComponentsBuilder callURI = UriComponentsBuilder.fromHttpUrl(urlBuilder.toString());
 159
 160         InputStream inputStream = (InputStream) callSdc(callURI.build().encode().toUri()).getBody();
 161
 162         return createTmpFile(inputStream);
 163     }
 164
 165     private Path createTmpFile(InputStream csarInputStream) throws IOException {
 166         Path csarFile = Files.createTempFile("csar", ".zip");
 167         Files.copy(csarInputStream, csarFile, StandardCopyOption.REPLACE_EXISTING);
 168
 169         LOGGER.debug("Tosca file was saved at: {} ", csarFile.toAbsolutePath());
 170
 171         return csarFile;
 172     }
 173
 174     private HttpEntity<String> buildRequestHeader() {
 175         HttpHeaders httpHeaders = new HttpHeaders();
 176         httpHeaders.setContentType(MediaType.APPLICATION_JSON);
 177         httpHeaders.add(HEADER_ECOMP_INSTANCE_ID, ecompInstanceId);
 178         httpHeaders.add(HEADER_AUTHORIZATION, sdcHeaderAuthorization);
 179         return new HttpEntity<>("parameters", httpHeaders);
 180     }
 181
 182
 183     private ResponseEntity<Object> callSdc(URI callURI) {
 184         ResponseEntity<Object> response =
 185                 restTemplate.exchange(callURI, HttpMethod.GET, buildRequestHeader(), Object.class);
 186
 187         if(LOGGER.isDebugEnabled()) {
 188             LOGGER.debug("response body : {} ",response.getBody().toString());
 189         }
 190         LOGGER.info("response status : {}", response.getStatusCodeValue());
 191         loggDebugIfResponseKo(callURI.toString(), response);
 192         return response;
 193     }
 194
 195
 196     private ResponseEntity<byte[]> callSdcWithAttachment(URI callURI) {
 197         try {
 198             ResponseEntity<byte[]> response =
 199                     restTemplate.exchange(callURI, HttpMethod.GET, buildRequestHeader(), byte[].class);
 200             LOGGER.info("response status : " + response.getStatusCodeValue());
 201             if (LOGGER.isWarnEnabled() && !response.getStatusCode().equals(HttpStatus.OK)) {
 202                 LOGGER.warn("HTTP call SDC on {} returns {} ", callURI.toString() , response.getStatusCodeValue());
 203             }
 204             return response;
 205
 206         } catch (BackendFunctionalException e) {
 207             LOGGER.error("HTTP call SDC on {} error : {}", callURI.toString() , e);
 208             return null;
 209         }
 210     }
 211
 212
 213     private void loggDebugIfResponseKo(String callURI, ResponseEntity<Object> response) {
 214         if (LOGGER.isWarnEnabled() && !response.getStatusCode().equals(HttpStatus.OK)) {
 215             LOGGER.warn("HTTP call SDC on {} returns {} , {}", callURI , response.getStatusCodeValue() , response.getBody().toString());
 216         }
 217     }
 218 }
 219
 220