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/*
* Copyright 2017 Huawei Technologies Co., Ltd.
*
* 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.openecomp.sdcrests.vsp.rest.services;
import org.apache.http.HttpStatus;
import org.openecomp.sdc.logging.api.Logger;
import org.openecomp.sdc.logging.api.LoggerFactory;
import org.openecomp.sdc.logging.messages.AuditMessages;
import org.openecomp.sdc.vendorsoftwareproduct.OrchestrationTemplateCandidateManager;
import org.openecomp.sdc.vendorsoftwareproduct.OrchestrationTemplateCandidateManagerFactory;
import org.openecomp.sdc.vendorsoftwareproduct.types.UploadFileResponse;
import org.openecomp.sdc.versioning.types.VersionableEntityAction;
import org.openecomp.sdcrests.vendorsoftwareproducts.types.UploadFileResponseDto;
import org.openecomp.sdcrests.vsp.rest.VnfPackageRepository;
import org.openecomp.sdcrests.vsp.rest.mapping.MapUploadFileResponseToUploadFileResponseDto;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Service;
import org.openecomp.sdc.common.rest.api.IRestClient;
import org.openecomp.sdc.common.rest.api.RestConfigurationInfo;
import org.openecomp.sdc.common.rest.api.RestResponse;
import org.openecomp.sdc.common.rest.impl.RestClientServiceFactory;
import org.openecomp.config.api.Configuration;
import org.openecomp.config.api.ConfigurationManager;
import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import javax.inject.Named;
import javax.ws.rs.core.Response;
import static org.openecomp.core.utilities.file.FileUtils.getFileExtension;
import static org.openecomp.core.utilities.file.FileUtils.getNetworkPackageName;
/**
*
* The class implements the API interface with VNF Repository (VNFSDK) such as
* i) Get all the VNF Package Meta-data ii) Download the VNF Package iii) Import
* VNF package to SDC catalog (Download & validate)
*
* @version Amsterdam release (ONAP 1.0)
*
*/
@Named
@Service("vnfPackageRepository")
@Scope(value = "prototype")
public class VnfPackageRepositoryImpl implements VnfPackageRepository {
private static final Logger LOGGER = LoggerFactory.getLogger(VnfPackageRepositoryImpl.class);
private static IRestClient iRestClnt = null;
private static boolean initFlag = false;
// Default VNF Repository configuration
private static final String CONFIG_NAMESPACE = "vnfrepo";
// Default address for VNF repository docker
private static final String DEF_DOCKER_COMPOSE_ADDR = "127.0.0.1";
private static String ipAddress = DEF_DOCKER_COMPOSE_ADDR;
// Default Download package URI and Get VNF package meta-data URI -
// configurable
private static String getVnfPkgUri = "/onapapi/vnfsdk-marketplace/v1/PackageResource/csars";
private static String downldPkgUri = "/onapapi/vnfsdk-marketplace/v1/PackageResource/csars/%s/files";
// Default port for VNF Repository
private static String port = "8702";
@Override
public Response getVnfPackages(String vspId, String versionId, String user) throws Exception {
LOGGER.audit(AuditMessages.AUDIT_MSG, "Get VNF Packages from Repository:{}", vspId);
// Step 1: Create REST client and configuration and prepare URI
init();
// Step 2: Build URI based on the IP address and port allocated
RestResponse rsp = iRestClnt.doGET(getVnfPkgUri, null);
if (HttpStatus.SC_OK != rsp.getHttpStatusCode()) {
LOGGER.error("Failed to query VNF package metadata:uri={}, Response={}", getVnfPkgUri, rsp);
return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
}
// Step 3: Send the response to the client
LOGGER.debug("Response from VNF Repository: {}", rsp.getResponse());
return Response.ok(rsp.getResponse()).build();
}
@Override
public Response importVnfPackage(String vspId, String versionId, String csarId, String user) throws Exception {
LOGGER.audit(AuditMessages.AUDIT_MSG, "Import VNF Packages from Repository:{}", csarId);
// Step 1: Create REST client and configuration and prepare URI
init();
// Step 2: Build URI based on the IP address and port allocated
String uri = String.format(downldPkgUri, csarId);
RestResponse rsp = iRestClnt.doGET(getVnfPkgUri, null);
if (HttpStatus.SC_OK != rsp.getHttpStatusCode()) {
LOGGER.error("Failed to download package from VNF Repository:uri={}, Response={}", uri, rsp);
return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
}
LOGGER.debug(AuditMessages.AUDIT_MSG, "Response from VNF Repository for download package is success ");
// Step 3: Import the file to SDC and validate and send the response
try (InputStream fileStream = new BufferedInputStream(
new ByteArrayInputStream(rsp.getResponse().getBytes(StandardCharsets.ISO_8859_1)))) {
String filename = "temp_" + csarId + ".csar";
OrchestrationTemplateCandidateManager candidateManager = OrchestrationTemplateCandidateManagerFactory
.getInstance().createInterface();
UploadFileResponse uploadFileResponse = candidateManager.upload(vspId,
resolveVspVersion(vspId, null, user, VersionableEntityAction.Write), fileStream, user,
getFileExtension(filename), getNetworkPackageName(filename));
UploadFileResponseDto uploadFileResponseDto = new MapUploadFileResponseToUploadFileResponseDto()
.applyMapping(uploadFileResponse, UploadFileResponseDto.class);
return Response.ok(uploadFileResponseDto).build();
} catch (IOException e) {
// Exception while uploading file
LOGGER.error("Exception while uploading VNF package received from VNF Repository:", e);
return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
}
}
@Override
public Response downloadVnfPackage(String vspId, String versionId, String csarId, String user) throws Exception {
LOGGER.audit(AuditMessages.AUDIT_MSG + "Download VNF Packages from Repository:csarId={}", csarId);
// Step 1: Create REST client and configuration and prepare URI
init();
// Step 2: Build URI based on the IP address and port allocated
String uri = String.format(downldPkgUri, csarId);
RestResponse rsp = iRestClnt.doGET(uri, null);
if (HttpStatus.SC_OK != rsp.getHttpStatusCode()) {
LOGGER.error("Failed to download package from VNF Repository:uri={}, Response={}", uri, rsp);
return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
}
// Step 3:Send response to the client
String filename = "temp_" + csarId + ".csar";
Response.ResponseBuilder response = Response.ok(rsp.getResponse().getBytes(StandardCharsets.ISO_8859_1));
response.header("Content-Disposition", "attachment; filename=" + filename);
LOGGER.debug(AuditMessages.AUDIT_MSG, "Response from VNF Repository for download package is success ");
return response.build();
}
private static void setRestClient() {
if (null == iRestClnt) {
RestConfigurationInfo restInfo = new RestConfigurationInfo();
iRestClnt = RestClientServiceFactory.createRestClientService(restInfo);
if (null == iRestClnt) {
return;
}
}
}
private static void setVnfRepoConfig() {
try {
// Step 1: Fetch the on-boarding configuration
Configuration config = ConfigurationManager.lookup();
String vnfRepoHost = config.getAsString(CONFIG_NAMESPACE, "vnfRepoHost");
if (null != vnfRepoHost) {
ipAddress = vnfRepoHost;
}
String vnfRepoPort = config.getAsString(CONFIG_NAMESPACE, "vnfRepoPort");
if (null != vnfRepoPort) {
port = vnfRepoPort;
}
String getVnfUri = config.getAsString(CONFIG_NAMESPACE, "getVnfUri");
if (null != getVnfUri) {
getVnfPkgUri = getVnfUri;
}
String downloadVnfUri = config.getAsString(CONFIG_NAMESPACE, "downloadVnfUri");
if (null != downloadVnfUri) {
downldPkgUri = downloadVnfUri;
}
} catch (Exception e) {
LOGGER.error("Failed to load configuration, Exception caught, using default configuration", e);
}
getVnfPkgUri = new StringBuilder("http://").append(ipAddress).append(":").append(port).append(getVnfPkgUri)
.toString();
downldPkgUri = new StringBuilder("http://").append(ipAddress).append(":").append(port).append(downldPkgUri)
.toString();
}
private static synchronized void init() throws Exception {
if (!initFlag) {
// Step 1: Initialize configuration
setVnfRepoConfig();
// Step 2: Initialize rest client
setRestClient();
if (null == iRestClnt) {
LOGGER.error("REST initialization error, Rest client is null");
throw new Exception("Rest Initializer error, Rest client is null");
}
initFlag = true;
}
}
}
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