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/*
* Copyright © 2019 Bell Canada
*
* 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.ccsdk.cds.sdclistener.service;
import com.google.protobuf.ByteString;
import io.grpc.ManagedChannel;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.onap.ccsdk.cds.controllerblueprints.common.api.ActionIdentifiers;
import org.onap.ccsdk.cds.controllerblueprints.common.api.CommonHeader;
import org.onap.ccsdk.cds.controllerblueprints.common.api.Status;
import org.onap.ccsdk.cds.controllerblueprints.management.api.BlueprintUploadInput;
import org.onap.ccsdk.cds.controllerblueprints.management.api.FileChunk;
import org.onap.ccsdk.cds.controllerblueprints.management.api.UploadAction;
import org.onap.ccsdk.cds.sdclistener.client.SdcListenerAuthClientInterceptor;
import org.onap.ccsdk.cds.sdclistener.dto.SdcListenerDto;
import org.onap.ccsdk.cds.sdclistener.handler.BlueprintProcesssorHandler;
import org.onap.ccsdk.cds.sdclistener.status.SdcListenerStatus;
import org.onap.ccsdk.cds.sdclistener.util.FileUtil;
import org.onap.sdc.api.results.IDistributionClientDownloadResult;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Enumeration;
import java.util.List;
import java.util.UUID;
import java.util.regex.Pattern;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import static java.lang.String.format;
import static org.onap.ccsdk.cds.sdclistener.status.SdcListenerStatus.NotificationType.SDC_LISTENER_COMPONENT;
import static org.onap.sdc.utils.DistributionStatusEnum.COMPONENT_DONE_ERROR;
import static org.onap.sdc.utils.DistributionStatusEnum.COMPONENT_DONE_OK;
@Component
@ConfigurationProperties("listenerservice")
public class ListenerServiceImpl implements ListenerService {
@Autowired
private BlueprintProcesssorHandler bluePrintProcesssorHandler;
@Autowired
private SdcListenerAuthClientInterceptor sdcListenerAuthClientInterceptor;
@Autowired
private SdcListenerStatus listenerStatus;
@Autowired
private SdcListenerDto sdcListenerDto;
@Value("${listenerservice.config.grpcAddress}")
private String grpcAddress;
@Value("${listenerservice.config.grpcPort}")
private int grpcPort;
private static final String CBA_ZIP_PATH =
"Artifacts/[a-zA-Z0-9-_.]+/Deployment/CONTROLLER_BLUEPRINT_ARCHIVE/[a-zA-Z0-9-_.()]+[.]zip";
private static final int SUCCESS_CODE = 200;
private static final Logger LOGGER = LoggerFactory.getLogger(ListenerServiceImpl.class);
@Override
public void extractBlueprint(String csarArchivePath, String cbaArchivePath) {
int validPathCount = 0;
final String distributionId = getDistributionId();
final String artifactUrl = getArtifactUrl();
Path cbaStorageDir = getStorageDirectory(cbaArchivePath);
try (ZipFile zipFile = new ZipFile(csarArchivePath)) {
Enumeration<? extends ZipEntry> entries = zipFile.entries();
while (entries.hasMoreElements()) {
ZipEntry entry = entries.nextElement();
String fileName = entry.getName();
if (Pattern.matches(CBA_ZIP_PATH, fileName)) {
validPathCount++;
final String cbaArchiveName = Paths.get(fileName).getFileName().toString();
LOGGER.info("Storing the CBA archive {}", cbaArchiveName);
storeBlueprint(zipFile, cbaArchiveName, cbaStorageDir, entry);
}
}
if (validPathCount == 0) {
LOGGER.info(
"CBA archive doesn't exist in the CSAR Package or it doesn't exist as per the given path {}",
CBA_ZIP_PATH);
listenerStatus.sendResponseBackToSdc(distributionId, COMPONENT_DONE_OK, null, artifactUrl,
SDC_LISTENER_COMPONENT);
}
} catch (Exception e) {
final String errorMessage = format("Failed to extract blueprint %s", e.getMessage());
listenerStatus.sendResponseBackToSdc(distributionId, COMPONENT_DONE_ERROR, errorMessage, artifactUrl,
SDC_LISTENER_COMPONENT);
LOGGER.error(errorMessage);
}
}
private void storeBlueprint(ZipFile zipFile, String fileName, Path cbaArchivePath, ZipEntry entry) {
Path targetLocation = cbaArchivePath.resolve(fileName);
LOGGER.info("The target location for zip file is {}", targetLocation);
File targetZipFile = new File(targetLocation.toString());
try {
if (!targetZipFile.createNewFile()) {
LOGGER.warn("Overwriting zip file {}", targetLocation);
}
} catch (IOException e) {
LOGGER.error("Could not able to create file {}", targetZipFile, e);
}
try (InputStream inputStream = zipFile.getInputStream(entry);
OutputStream out = new FileOutputStream(targetZipFile)) {
IOUtils.copy(inputStream, out);
LOGGER.info("Successfully store the CBA archive {} at this location", targetZipFile);
} catch (Exception e) {
LOGGER.error("Failed to put zip file into target location {}, {}", targetLocation, e);
}
}
@Override
public void saveBlueprintToCdsDatabase(Path cbaArchivePath, ManagedChannel channel) {
List<File> zipFiles = FileUtil.getFilesFromDisk(cbaArchivePath);
if (!zipFiles.isEmpty()) {
prepareRequestForCdsBackend(zipFiles, channel, cbaArchivePath.toString());
}
}
@Override
public void extractCsarAndStore(IDistributionClientDownloadResult result, Path csarArchivePath) {
// Create CSAR storage directory
Path csarStorageDir = getStorageDirectory(csarArchivePath.toString());
byte[] payload = result.getArtifactPayload();
String csarFileName = result.getArtifactFilename();
Path targetLocation = csarStorageDir.resolve(csarFileName);
LOGGER.info("The target location for the CSAR file is {}", targetLocation);
File targetCsarFile = new File(targetLocation.toString());
try (FileOutputStream outFile = new FileOutputStream(targetCsarFile)) {
outFile.write(payload, 0, payload.length);
if (!csarArchivePath.toFile().exists()) {
LOGGER.error("Could not able to store the CSAR at this location {}", csarArchivePath);
}
} catch (Exception e) {
LOGGER.error("Fail to write the data into FileOutputStream {}, {}", targetLocation, e);
}
}
private Path getStorageDirectory(String path) {
Path fileStorageLocation = Paths.get(path).toAbsolutePath().normalize();
if (!fileStorageLocation.toFile().exists()) {
try {
return Files.createDirectories(fileStorageLocation);
} catch (IOException e) {
LOGGER.error("Fail to create directory {}, {}", e, fileStorageLocation);
}
}
return fileStorageLocation;
}
private void prepareRequestForCdsBackend(List<File> files, ManagedChannel managedChannel, String path) {
final String distributionId = getDistributionId();
final String artifactUrl = getArtifactUrl();
files.forEach(zipFile -> {
try {
final BlueprintUploadInput request = generateBlueprintUploadInputBuilder(zipFile, path);
// Send request to CDS Backend.
final Status responseStatus = bluePrintProcesssorHandler.sendRequest(request, managedChannel);
if (responseStatus.getCode() != SUCCESS_CODE) {
final String errorMessage = format("Failed to store the CBA archive into CDS DB due to %s",
responseStatus.getErrorMessage());
listenerStatus.sendResponseBackToSdc(distributionId, COMPONENT_DONE_ERROR, errorMessage,
artifactUrl, SDC_LISTENER_COMPONENT);
LOGGER.error(errorMessage);
} else {
LOGGER.info(responseStatus.getMessage());
listenerStatus.sendResponseBackToSdc(distributionId, COMPONENT_DONE_OK, null, artifactUrl,
SDC_LISTENER_COMPONENT);
}
} catch (Exception e) {
final String errorMessage = format("Failure due to %s", e.getMessage());
listenerStatus.sendResponseBackToSdc(distributionId, COMPONENT_DONE_ERROR, errorMessage, artifactUrl,
SDC_LISTENER_COMPONENT);
LOGGER.error(errorMessage);
}
});
}
private BlueprintUploadInput generateBlueprintUploadInputBuilder(File file, String path) throws IOException {
byte[] bytes = FileUtils.readFileToByteArray(file);
FileChunk fileChunk = FileChunk.newBuilder().setChunk(ByteString.copyFrom(bytes)).build();
FileUtil.deleteFile(file, path);
return BlueprintUploadInput.newBuilder()
.setCommonHeader(CommonHeader.newBuilder().setRequestId(UUID.randomUUID().toString())
.setSubRequestId(UUID.randomUUID().toString()).setOriginatorId("SDC-LISTENER").build())
.setActionIdentifiers(
ActionIdentifiers.newBuilder().setActionName(UploadAction.PUBLISH.toString()).build())
.setFileChunk(fileChunk).build();
}
private String getDistributionId() {
return sdcListenerDto.getDistributionId();
}
private String getArtifactUrl() {
return sdcListenerDto.getArtifactUrl();
}
}
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