/**
* Licensed to Cloudera, Inc. under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Cloudera, Inc. licenses this file
* to you 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 com.cloudera.flume.master;
import java.io.IOException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.base.Preconditions;
/**
* Save all configs to a file.
*/
public class SaveConfigCommand {
static final Logger LOG = LoggerFactory.getLogger(SaveConfigCommand.class);
/**
* Actual Command execution.
*/
public static Execable buildExecable() {
return new Execable() {
@Override
public void exec(String[] argv) throws IOException {
Preconditions.checkArgument(argv.length == 1);
String configFileName = argv[0];
FlumeMaster master = FlumeMaster.getInstance();
try {
master.getSpecMan().saveConfigFile(configFileName);
} catch (IOException e) {
LOG.error("Save Config " + configFileName + " failed", e);
throw e;
}
}
};
}
}