/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with this
* work for additional information regarding copyright ownership. The ASF
* 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 org.apache.hadoop.hbase.util.test;
import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.client.Delete;
import org.apache.hadoop.hbase.client.Mutation;
import org.apache.hadoop.hbase.security.access.Permission;
import org.apache.hadoop.hbase.util.MultiThreadedAction.DefaultDataGenerator;
@InterfaceAudience.Private
public class LoadTestDataGeneratorWithACL extends DefaultDataGenerator {
private static final Log LOG = LogFactory.getLog(LoadTestDataGeneratorWithACL.class);
private String[] userNames = null;
private static final String COMMA = ",";
private int specialPermCellInsertionFactor = 100;
public LoadTestDataGeneratorWithACL(int minValueSize, int maxValueSize, int minColumnsPerKey,
int maxColumnsPerKey, byte[]... columnFamilies) {
super(minValueSize, maxValueSize, minColumnsPerKey, maxColumnsPerKey, columnFamilies);
}
@Override
public void initialize(String[] args) {
super.initialize(args);
if (args.length != 3) {
throw new IllegalArgumentException(
"LoadTestDataGeneratorWithACL can have "
+ "1st arguement which would be super user, the 2nd argument "
+ "would be the user list and the 3rd argument should be the factor representing "
+ "the row keys for which only write ACLs will be added.");
}
String temp = args[1];
// This will be comma separated list of expressions.
this.userNames = temp.split(COMMA);
this.specialPermCellInsertionFactor = Integer.parseInt(args[2]);
}
@Override
public Mutation beforeMutate(long rowkeyBase, Mutation m) throws IOException {
if (!(m instanceof Delete)) {
if (userNames != null && userNames.length > 0) {
int mod = ((int) rowkeyBase % this.userNames.length);
if (((int) rowkeyBase % specialPermCellInsertionFactor) == 0) {
// These cells cannot be read back when running as user userName[mod]
if (LOG.isTraceEnabled()) {
LOG.trace("Adding special perm " + rowkeyBase);
}
m.setACL(userNames[mod], new Permission(Permission.Action.WRITE));
} else {
m.setACL(userNames[mod], new Permission(Permission.Action.READ));
}
}
}
return m;
}
}