/*
* Copyright 2013 NGDATA nv
*
* 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.lilyproject.repository.cli;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.OptionBuilder;
import org.apache.zookeeper.KeeperException;
import org.lilyproject.cli.BaseZkCliTool;
import org.lilyproject.repository.model.api.RepositoryModel;
import org.lilyproject.repository.model.impl.RepositoryModelImpl;
import org.lilyproject.util.Version;
import org.lilyproject.util.io.Closer;
import org.lilyproject.util.zookeeper.StateWatchingZooKeeper;
import org.lilyproject.util.zookeeper.ZooKeeperItf;
import org.lilyproject.util.zookeeper.ZooKeeperOperation;
public abstract class BaseRepositoriesAdminCli extends BaseZkCliTool {
private ZooKeeperItf zk;
protected RepositoryModel repositoryModel;
protected Option forceOption;
protected Option nameOption;
@SuppressWarnings("static-access")
public BaseRepositoriesAdminCli() {
nameOption = OptionBuilder
.withArgName("name")
.hasArg()
.withDescription("Repository name.")
.withLongOpt("name")
.create("n");
forceOption = OptionBuilder
.withDescription("Skips optional validations.")
.withLongOpt("force")
.create("f");
}
@Override
protected String getVersion() {
return Version.readVersion("org.lilyproject", "lily-repository-admin-cli");
}
@Override
public int run(CommandLine cmd) throws Exception {
int result = super.run(cmd);
if (result != 0) {
return result;
}
zk = new StateWatchingZooKeeper(zkConnectionString, zkSessionTimeout);
boolean lilyNodeExists = zk.retryOperation(new ZooKeeperOperation<Boolean>() {
@Override
public Boolean execute() throws KeeperException, InterruptedException {
return zk.exists("/lily", false) != null;
}
});
if (!lilyNodeExists) {
if (!cmd.hasOption(forceOption.getOpt())) {
System.out.println("No /lily node found in ZooKeeper. Are you sure you are connecting to the right");
System.out.println("ZooKeeper? If so, use the option --" + forceOption.getLongOpt() +
" to bypass this check.");
return 1;
} else {
System.out.println("No /lily node found in ZooKeeper. Will continue anyway since you supplied --" +
forceOption.getLongOpt());
System.out.println();
}
}
repositoryModel = new RepositoryModelImpl(zk);
return 0;
}
@Override
protected void cleanup() {
Closer.close(repositoryModel);
Closer.close(zk);
super.cleanup();
}
}