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/*
* Copyright 2016-2017, Nokia Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.onap.vfc;
import com.google.common.io.ByteStreams;
import com.google.gson.JsonElement;
import com.google.gson.JsonParser;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import org.apache.http.HttpEntity;
import org.apache.http.HttpHeaders;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.api.IPackageProvider;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.onap.core.IpMappingProvider;
import org.onap.vfccatalog.api.VnfpackageApi;
import org.onap.vfccatalog.model.VnfPkgDetailInfo;
import org.slf4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.CbamUtils.buildFatalFailure;
import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.SystemFunctions.systemFunctions;
import static org.slf4j.LoggerFactory.getLogger;
import static org.springframework.http.MediaType.APPLICATION_OCTET_STREAM_VALUE;
/**
* Retrieves a package from VF-C
*/
@Component
public class VfcPackageProvider implements IPackageProvider {
private static Logger logger = getLogger(VfcPackageProvider.class);
private final VfcRestApiProvider restApiProvider;
private final IpMappingProvider ipMappingProvider;
@Autowired
VfcPackageProvider(VfcRestApiProvider restApiProvider, IpMappingProvider ipMappingProvider) {
this.restApiProvider = restApiProvider;
this.ipMappingProvider = ipMappingProvider;
}
@Override
public String getCbamVnfdId(String csarId) {
VnfPkgDetailInfo vnfPackageDetails;
try {
VnfpackageApi onapCatalogApi = restApiProvider.getVfcCatalogApi();
vnfPackageDetails = onapCatalogApi.queryVnfPackage(csarId).blockingFirst();
} catch (Exception e) {
throw buildFatalFailure(logger, "Unable to query VNF package with " + csarId, e);
}
JsonElement vnfdModel = new JsonParser().parse(vnfPackageDetails.getPackageInfo().getVnfdModel());
return vnfdModel.getAsJsonObject().get("metadata").getAsJsonObject().get("resourceVendorModelNumber").getAsString();
}
@Override
public byte[] getPackage(String csarId) {
String downloadUrl;
try {
VnfpackageApi onapCatalogApi = restApiProvider.getVfcCatalogApi();
VnfPkgDetailInfo vnfPackageDetails = onapCatalogApi.queryVnfPackage(csarId).blockingFirst();
String urlFromVfc = vnfPackageDetails.getPackageInfo().getDownloadUrl();
String host = new URL(urlFromVfc).getHost();
downloadUrl = urlFromVfc.replaceFirst("://" + host, "://" + ipMappingProvider.mapPrivateIpToPublicIp(host));
} catch (Exception e) {
throw buildFatalFailure(logger, "Unable to query VNF package with " + csarId, e);
}
try {
return downloadCbamVnfPackage(downloadUrl);
} catch (Exception e) {
throw buildFatalFailure(logger, "Unable to download package from " + downloadUrl, e);
}
}
private byte[] downloadCbamVnfPackage(String downloadUri) throws IOException {
CloseableHttpClient client = systemFunctions().getHttpClient();
HttpGet httpget = new HttpGet(downloadUri);
httpget.setHeader(HttpHeaders.ACCEPT, APPLICATION_OCTET_STREAM_VALUE);
CloseableHttpResponse response = client.execute(httpget);
HttpEntity entity = response.getEntity();
InputStream is = entity.getContent();
byte[] bytes = ByteStreams.toByteArray(is);
client.close();
return bytes;
}
}
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