nokiav2/driver/src/main/java/org/onap/vfc/nfvo/driver/vnfm/svnfm/nokia/onap/direct/SdcPackageProvider.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.direct;
  17
  18 import com.google.gson.Gson;
  19 import com.google.gson.JsonObject;
  20 import org.apache.http.HttpEntity;
  21 import org.apache.http.client.methods.CloseableHttpResponse;
  22 import org.apache.http.client.methods.HttpGet;
  23 import org.apache.http.impl.client.CloseableHttpClient;
  24 import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.api.IPackageProvider;
  25 import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.onap.core.MsbApiProvider;
  26 import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.spring.Conditions;
  27 import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.DriverProperties;
  28 import org.slf4j.Logger;
  29 import org.springframework.beans.factory.annotation.Autowired;
  30 import org.springframework.beans.factory.annotation.Value;
  31 import org.springframework.context.annotation.Conditional;
  32 import org.springframework.stereotype.Component;
  33 import org.yaml.snakeyaml.Yaml;
  34
  35 import java.io.ByteArrayInputStream;
  36 import java.io.InputStream;
  37
  38 import static com.google.common.io.ByteStreams.toByteArray;
  39 import static java.lang.String.format;
  40 import static org.apache.http.HttpHeaders.ACCEPT;
  41 import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.onap.core.SelfRegistrationManager.SERVICE_NAME;
  42 import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.CbamUtils.*;
  43 import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.SystemFunctions.systemFunctions;
  44 import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.CatalogManager.getFileInZip;
  45 import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.CatalogManager.getVnfdLocation;
  46 import static org.slf4j.LoggerFactory.getLogger;
  47 import static org.springframework.http.MediaType.APPLICATION_OCTET_STREAM_VALUE;
  48
  49 /**
  50  * Responsible for providing access to AAI APIs.
  51  * Handles authentication and mandatory parameters.
  52  */
  53 @Component
  54 @Conditional(value = Conditions.UseForDirect.class)
  55 public class SdcPackageProvider implements IPackageProvider {
  56     private static final String SDC_MSB_NAME = "sdc";
  57     private static final String SDC_MSB_VERSION = "v1";
  58     private static final String GET_PACKAGE_URL = "%s/sdc/v1/catalog/resources/%s/toscaModel";
  59     private static Logger logger = getLogger(SdcPackageProvider.class);
  60     private final MsbApiProvider msbApiProvider;
  61     private final DriverProperties driverProperties;
  62     @Value("${sdcUsername}")
  63     private String sdcUsername;
  64     @Value("${sdcPassword}")
  65     private String sdcPassword;
  66
  67     @Autowired
  68     SdcPackageProvider(MsbApiProvider msbApiProvider, DriverProperties driverProperties) {
  69         this.msbApiProvider = msbApiProvider;
  70         this.driverProperties = driverProperties;
  71     }
  72
  73     @Override
  74     public byte[] getPackage(String csarId) {
  75         String baseUrl = msbApiProvider.getMicroServiceUrl(SDC_MSB_NAME, SDC_MSB_VERSION);
  76         try {
  77             CloseableHttpClient client = systemFunctions().getHttpClient();
  78             HttpGet httpget = new HttpGet(format(GET_PACKAGE_URL, baseUrl, csarId));
  79             httpget.setHeader(ACCEPT, APPLICATION_OCTET_STREAM_VALUE);
  80             httpget.setHeader("X-ECOMP-InstanceID", driverProperties.getVnfmId());
  81             httpget.setHeader("X-FromAppId", SERVICE_NAME);
  82             CloseableHttpResponse response = client.execute(httpget);
  83             HttpEntity entity = response.getEntity();
  84             InputStream is = entity.getContent();
  85             byte[] bytes = toByteArray(is);
  86             client.close();
  87             return bytes;
  88         } catch (Exception e) {
  89             throw buildFatalFailure(logger, "Unable to download " + csarId + " package from SDC", e);
  90         }
  91     }
  92
  93     @Override
  94     public String getCbamVnfdId(String csarId) {
  95         byte[] onapPackage = getPackage(csarId);
  96         try {
  97             String vnfdLocation = getVnfdLocation(new ByteArrayInputStream(onapPackage));
  98             String onapVnfdContent = getFileInZip(new ByteArrayInputStream(onapPackage), vnfdLocation).toString();
  99             JsonObject root = new Gson().toJsonTree(new Yaml().load(onapVnfdContent)).getAsJsonObject();
 100             return childElement(child(root, "metadata"), "resourceVendorModelNumber").getAsString();
 101         } catch (Exception e) {
 102             throw buildFatalFailure(logger, "Unable to extract CBAM VNFD id from ONAP package", e);
 103         }
 104     }
 105 }