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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 - 2019 European Support Limited. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.core.tools.exportinfo;
import static java.nio.file.Files.createDirectories;
import static org.openecomp.core.tools.commands.CommandName.EXPORT;
import com.datastax.driver.core.ResultSet;
import com.datastax.driver.core.ResultSetFuture;
import com.datastax.driver.core.Session;
import com.google.common.collect.Sets;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.stream.Collectors;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import org.apache.commons.io.FileUtils;
import org.openecomp.core.nosqldb.impl.cassandra.CassandraSessionFactory;
import org.openecomp.core.tools.commands.Command;
import org.openecomp.core.tools.commands.CommandName;
import org.openecomp.core.tools.importinfo.ImportProperties;
import org.openecomp.core.tools.util.Utils;
import org.openecomp.core.zusammen.impl.CassandraConnectionInitializer;
import org.openecomp.sdc.common.zip.ZipUtils;
import org.openecomp.sdc.common.zip.exception.ZipException;
import org.openecomp.sdc.logging.api.Logger;
import org.openecomp.sdc.logging.api.LoggerFactory;
import org.yaml.snakeyaml.Yaml;
public final class ExportDataCommand extends Command {
public static final String JOIN_DELIMITER_SPLITTER = "\\$\\#";
public static final String MAP_DELIMITER_SPLITTER = "\\!\\@";
public static final String NULL_REPRESENTATION = "nnuullll";
static final String JOIN_DELIMITER = "$#";
static final String MAP_DELIMITER = "!@";
private static final Logger LOGGER = LoggerFactory.getLogger(ExportDataCommand.class);
private static final String ITEM_ID_OPTION = "i";
private static final int THREAD_POOL_SIZE = 6;
public ExportDataCommand() {
options.addOption(Option.builder(ITEM_ID_OPTION).hasArg().argName("item id").desc("id of item to export, mandatory").build());
}
private static void executeQuery(final Session session, final String query, final Set<String> filteredItems, final String filteredColumn,
final Set<String> vlms, final CountDownLatch donequerying, Executor executor) {
ResultSetFuture resultSetFuture = session.executeAsync(query);
Futures.addCallback(resultSetFuture, new FutureCallback<ResultSet>() {
@Override
public void onSuccess(ResultSet resultSet) {
try {
Utils.printMessage(LOGGER, "Start to serialize " + query);
new ExportSerializer().serializeResult(resultSet, filteredItems, filteredColumn, vlms);
donequerying.countDown();
} catch (Exception e) {
Utils.logError(LOGGER, "Serialization failed :" + query, e);
System.exit(-1);
}
}
@Override
public void onFailure(Throwable t) {
Utils.logError(LOGGER, "Query failed :" + query, t);
System.exit(-1);
}
}, executor);
}
private static void zipPath(final Path rootDir) throws ZipException {
final LocalDateTime date = LocalDateTime.now();
final DateTimeFormatter formatter = DateTimeFormatter.ISO_LOCAL_DATE_TIME;
final String dateStr = date.format(formatter).replace(":", "_");
final Path zipFile = Paths.get(System.getProperty("user.home"), String.format("onboarding_import%s.zip", dateStr));
ZipUtils.createZipFromPath(rootDir, zipFile);
Utils.printMessage(LOGGER, "Zip file was created " + zipFile.toString());
Utils.printMessage(LOGGER, "Exported file :" + zipFile.toString());
}
public static void initDir(Path rootDir) throws IOException {
if (rootDir.toFile().exists()) {
FileUtils.forceDelete(rootDir.toFile());
}
createDirectories(rootDir);
}
@Override
public boolean execute(String[] args) {
CommandLine cmd = parseArgs(args);
if (!cmd.hasOption(ITEM_ID_OPTION) || cmd.getOptionValue(ITEM_ID_OPTION) == null) {
LOGGER.error("Argument i is mandatory");
return false;
}
ExecutorService executor = null;
try {
CassandraConnectionInitializer.setCassandraConnectionPropertiesToSystem();
Path rootDir = Paths.get(ImportProperties.ROOT_DIRECTORY);
initDir(rootDir);
try (Session session = CassandraSessionFactory.getSession()) {
final Set<String> filteredItems = Sets.newHashSet(cmd.getOptionValue(ITEM_ID_OPTION));
Set<String> fis = filteredItems.stream().map(fi -> fi.replaceAll("\\r", "")).collect(Collectors.toSet());
Map<String, List<String>> queries;
Yaml yaml = new Yaml();
try (InputStream is = ExportDataCommand.class.getResourceAsStream("/queries.yaml")) {
queries = (Map<String, List<String>>) yaml.load(is);
}
List<String> queriesList = queries.get("queries");
List<String> itemsColumns = queries.get("item_columns");
Set<String> vlms = new HashSet<>();
CountDownLatch doneQueries = new CountDownLatch(queriesList.size());
executor = Executors.newFixedThreadPool(THREAD_POOL_SIZE);
for (int i = 0; i < queriesList.size(); i++) {
executeQuery(session, queriesList.get(i), fis, itemsColumns.get(i), vlms, doneQueries, executor);
}
doneQueries.await();
if (!vlms.isEmpty()) {
CountDownLatch doneVmls = new CountDownLatch(queriesList.size());
for (int i = 0; i < queriesList.size(); i++) {
executeQuery(session, queriesList.get(i), vlms, itemsColumns.get(i), null, doneVmls, executor);
}
doneVmls.await();
}
}
zipPath(rootDir);
FileUtils.forceDelete(rootDir.toFile());
} catch (Exception ex) {
Utils.logError(LOGGER, ex);
} finally {
if (executor != null) {
executor.shutdown();
}
}
return true;
}
@Override
public CommandName getCommandName() {
return EXPORT;
}
}
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