nokiav2/driver/src/main/java/org/onap/vfc/nfvo/driver/vnfm/svnfm/nokia/onap/vfc/VfcPackageProvider.java

   1 /*
   2  * Copyright 2016-2017, Nokia Corporation
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.onap.vfc;
  17
  18 import com.google.common.io.ByteStreams;
  19 import com.google.gson.JsonElement;
  20 import com.google.gson.JsonParser;
  21 import org.apache.http.HttpEntity;
  22 import org.apache.http.HttpHeaders;
  23 import org.apache.http.client.methods.CloseableHttpResponse;
  24 import org.apache.http.client.methods.HttpGet;
  25 import org.apache.http.impl.client.CloseableHttpClient;
  26 import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.api.IPackageProvider;
  27 import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.onap.core.IpMappingProvider;
  28 import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.spring.Conditions;
  29 import org.onap.vfccatalog.api.VnfpackageApi;
  30 import org.onap.vfccatalog.model.VnfPkgDetailInfo;
  31 import org.slf4j.Logger;
  32 import org.springframework.beans.factory.annotation.Autowired;
  33 import org.springframework.context.annotation.Conditional;
  34 import org.springframework.stereotype.Component;
  35
  36 import java.io.IOException;
  37 import java.io.InputStream;
  38 import java.net.URL;
  39
  40 import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.CbamUtils.buildFatalFailure;
  41 import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.SystemFunctions.systemFunctions;
  42 import static org.slf4j.LoggerFactory.getLogger;
  43 import static org.springframework.http.MediaType.APPLICATION_OCTET_STREAM_VALUE;
  44
  45 /**
  46  * Retrieves a package from VF-C
  47  */
  48 @Component
  49 @Conditional(value = Conditions.UseForVfc.class)
  50 public class VfcPackageProvider implements IPackageProvider {
  51     private static Logger logger = getLogger(VfcPackageProvider.class);
  52     private final VfcRestApiProvider restApiProvider;
  53     private final IpMappingProvider ipMappingProvider;
  54
  55     @Autowired
  56     VfcPackageProvider(VfcRestApiProvider restApiProvider, IpMappingProvider ipMappingProvider) {
  57         this.restApiProvider = restApiProvider;
  58         this.ipMappingProvider = ipMappingProvider;
  59     }
  60
  61     @Override
  62     public String getCbamVnfdId(String csarId) {
  63         VnfPkgDetailInfo vnfPackageDetails;
  64         try {
  65             VnfpackageApi onapCatalogApi = restApiProvider.getVfcCatalogApi();
  66             vnfPackageDetails = onapCatalogApi.queryVnfPackage(csarId).execute().body();
  67         } catch (Exception e) {
  68             throw buildFatalFailure(logger, "Unable to query VNF package with " + csarId, e);
  69         }
  70         JsonElement vnfdModel = new JsonParser().parse(vnfPackageDetails.getPackageInfo().getVnfdModel());
  71         return vnfdModel.getAsJsonObject().get("metadata").getAsJsonObject().get("resourceVendorModelNumber").getAsString();
  72     }
  73
  74     @Override
  75     public byte[] getPackage(String csarId) {
  76         String downloadUrl;
  77         try {
  78             VnfpackageApi onapCatalogApi = restApiProvider.getVfcCatalogApi();
  79             VnfPkgDetailInfo vnfPackageDetails = onapCatalogApi.queryVnfPackage(csarId).execute().body();
  80             String urlFromVfc = vnfPackageDetails.getPackageInfo().getDownloadUrl();
  81             String host = new URL(urlFromVfc).getHost();
  82             downloadUrl = urlFromVfc.replaceFirst("://" + host, "://" + ipMappingProvider.mapPrivateIpToPublicIp(host));
  83         } catch (Exception e) {
  84             throw buildFatalFailure(logger, "Unable to query VNF package with " + csarId, e);
  85         }
  86         try {
  87             return downloadCbamVnfPackage(downloadUrl);
  88         } catch (Exception e) {
  89             throw buildFatalFailure(logger, "Unable to download package from " + downloadUrl, e);
  90         }
  91     }
  92
  93     private byte[] downloadCbamVnfPackage(String downloadUri) throws IOException {
  94         CloseableHttpClient client = systemFunctions().getHttpClient();
  95         HttpGet httpget = new HttpGet(downloadUri);
  96         httpget.setHeader(HttpHeaders.ACCEPT, APPLICATION_OCTET_STREAM_VALUE);
  97         CloseableHttpResponse response = client.execute(httpget);
  98         HttpEntity entity = response.getEntity();
  99         InputStream is = entity.getContent();
 100         byte[] bytes = ByteStreams.toByteArray(is);
 101         client.close();
 102         return bytes;
 103     }
 104 }