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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.direct;
import com.google.gson.Gson;
import com.google.gson.JsonObject;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import org.apache.http.HttpEntity;
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.MsbApiProvider;
import org.slf4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.yaml.snakeyaml.Yaml;
import static java.lang.String.format;
import static com.google.common.io.ByteStreams.toByteArray;
import static org.apache.http.HttpHeaders.ACCEPT;
import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.onap.core.SelfRegistrationManager.SERVICE_NAME;
import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.CbamUtils.*;
import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.SystemFunctions.systemFunctions;
import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.CatalogManager.getFileInZip;
import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.CatalogManager.getVnfdLocation;
import static org.slf4j.LoggerFactory.getLogger;
import static org.springframework.http.MediaType.APPLICATION_OCTET_STREAM_VALUE;
/**
* Responsible for providing access to AAI APIs.
* Handles authentication and mandatory parameters.
*/
@Component
public class SdcPackageProvider implements IPackageProvider {
private static final String SDC_MSB_NAME = "sdc";
private static final String SDC_MSB_VERSION = "v1";
private static final String GET_PACKAGE_URL = "%s/sdc/v1/catalog/resources/%s/toscaModel";
private static Logger logger = getLogger(SdcPackageProvider.class);
private final MsbApiProvider msbApiProvider;
@Value("${sdcUsername}")
private String sdcUsername;
@Value("${sdcPassword}")
private String sdcPassword;
@Autowired
SdcPackageProvider(MsbApiProvider msbApiProvider) {
this.msbApiProvider = msbApiProvider;
}
@Override
public byte[] getPackage(String csarId) {
String baseUrl = msbApiProvider.getMicroServiceUrl(SDC_MSB_NAME, SDC_MSB_VERSION);
try {
CloseableHttpClient client = systemFunctions().getHttpClient();
HttpGet httpget = new HttpGet(format(GET_PACKAGE_URL, baseUrl, csarId));
httpget.setHeader(ACCEPT, APPLICATION_OCTET_STREAM_VALUE);
httpget.setHeader("X-ECOMP-InstanceID", SERVICE_NAME);
httpget.setHeader("X-FromAppId", SERVICE_NAME);
CloseableHttpResponse response = client.execute(httpget);
HttpEntity entity = response.getEntity();
InputStream is = entity.getContent();
byte[] bytes = toByteArray(is);
client.close();
return bytes;
} catch (Exception e) {
throw buildFatalFailure(logger, "Unable to download " + csarId + " package from SDC", e);
}
}
@Override
public String getCbamVnfdId(String csarId) {
byte[] onapPackage = getPackage(csarId);
try {
String vnfdLocation = getVnfdLocation(new ByteArrayInputStream(onapPackage));
String onapVnfdContent = getFileInZip(new ByteArrayInputStream(onapPackage), vnfdLocation).toString();
JsonObject root = new Gson().toJsonTree(new Yaml().load(onapVnfdContent)).getAsJsonObject();
return childElement(child(root, "metadata"), "resourceVendorModelNumber").getAsString();
} catch (Exception e) {
throw buildFatalFailure(logger, "Unable to extract CBAM VNFD id from ONAP package", e);
}
}
}
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