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HBASE-13767 Allow ZKAclReset to set and not just clear ZK ACLs

This commit is contained in:
Matteo Bertozzi 2015-05-27 18:30:55 +01:00
parent 534c6034b8
commit cb7675c57f
2 changed files with 55 additions and 44 deletions
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7
hbase-client/src/main/java/org/apache/hadoop/hbase/zookeeper/ZKUtil.java
View File

@ -1015,10 +1015,15 @@ public class ZKUtil {
}
private static ArrayList<ACL> createACL(ZooKeeperWatcher zkw, String node) {
return createACL(zkw, node, isSecureZooKeeper(zkw.getConfiguration()));
}
protected static ArrayList<ACL> createACL(ZooKeeperWatcher zkw, String node,
boolean isSecureZooKeeper) {
if (!node.startsWith(zkw.baseZNode)) {
return Ids.OPEN_ACL_UNSAFE;
}
if (isSecureZooKeeper(zkw.getConfiguration())) {
if (isSecureZooKeeper) {
String superUser = zkw.getConfiguration().get("hbase.superuser");
ArrayList<ACL> acls = new ArrayList<ACL>();
// add permission to hbase supper user

92
hbase-client/src/main/java/org/apache/hadoop/hbase/zookeeper/ZkAclReset.java
View File

@ -25,14 +25,12 @@ import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import org.apache.zookeeper.ZooDefs;
import org.apache.zookeeper.ZooKeeper;
import org.apache.zookeeper.Watcher;
import org.apache.zookeeper.WatchedEvent;
/**
* You may add the jaas.conf option
@ -41,70 +39,78 @@ import org.apache.zookeeper.WatchedEvent;
* You may also specify -D to set options
* "hbase.zookeeper.quorum" (it should be in hbase-site.xml)
* "zookeeper.znode.parent" (it should be in hbase-site.xml)
*
* Use -set-acls to set the ACLs, no option to erase ACLs
*/
@InterfaceAudience.Private
public class ZkAclReset extends Configured implements Tool {
private static final Log LOG = LogFactory.getLog(ZkAclReset.class);
private static final int ZK_SESSION_TIMEOUT_DEFAULT = 5 * 1000;
private static class ZkWatcher implements Watcher {
public ZkWatcher() {
}
@Override
public void process(WatchedEvent event) {
LOG.info("Received ZooKeeper Event, " +
"type=" + event.getType() + ", " +
"state=" + event.getState() + ", " +
"path=" + event.getPath());
}
}
private static void resetAcls(final ZooKeeper zk, final String znode)
throws Exception {
List<String> children = zk.getChildren(znode, false);
private static void resetAcls(final ZooKeeperWatcher zkw, final String znode,
final boolean eraseAcls) throws Exception {
List<String> children = ZKUtil.listChildrenNoWatch(zkw, znode);
if (children != null) {
for (String child: children) {
resetAcls(zk, znode + '/' + child);
resetAcls(zkw, ZKUtil.joinZNode(znode, child), eraseAcls);
}
}
LOG.info(" - reset acl for " + znode);
zk.setACL(znode, ZooDefs.Ids.OPEN_ACL_UNSAFE, -1);
ZooKeeper zk = zkw.getRecoverableZooKeeper().getZooKeeper();
if (eraseAcls) {
LOG.info(" - erase ACLs for " + znode);
zk.setACL(znode, ZooDefs.Ids.OPEN_ACL_UNSAFE, -1);
} else {
LOG.info(" - set ACLs for " + znode);
zk.setACL(znode, ZKUtil.createACL(zkw, znode, true), -1);
}
}
private static void resetAcls(final String quorumServers, final int zkTimeout, final String znode)
private static void resetAcls(final Configuration conf, boolean eraseAcls)
throws Exception {
ZooKeeper zk = new ZooKeeper(quorumServers, zkTimeout, new ZkWatcher());
ZooKeeperWatcher zkw = new ZooKeeperWatcher(conf, "ZkAclReset", null);
try {
resetAcls(zk, znode);
LOG.info((eraseAcls ? "Erase" : "Set") + " HBase ACLs for " +
zkw.getQuorum() + " " + zkw.getBaseZNode());
resetAcls(zkw, zkw.getBaseZNode(), eraseAcls);
} finally {
zk.close();
zkw.close();
}
}
private void resetHBaseAcls(final Configuration conf) throws Exception {
String quorumServers = conf.get("hbase.zookeeper.quorum", HConstants.LOCALHOST);
int sessionTimeout = conf.getInt("zookeeper.session.timeout", ZK_SESSION_TIMEOUT_DEFAULT);
String znode = conf.get("zookeeper.znode.parent", HConstants.DEFAULT_ZOOKEEPER_ZNODE_PARENT);
if (quorumServers == null) {
LOG.error("Unable to load hbase.zookeeper.quorum (try with: -conf hbase-site.xml)");
return;
}
LOG.info("Reset HBase ACLs for " + quorumServers + " " + znode);
resetAcls(quorumServers, sessionTimeout, znode);
private void printUsageAndExit() {
System.err.printf("Usage: bin/hbase %s [options]%n", getClass().getName());
System.err.println(" where [options] are:");
System.err.println(" -h|-help Show this help and exit.");
System.err.println(" -set-acls Setup the hbase znode ACLs for a secure cluster");
System.err.println();
System.err.println("Examples:");
System.err.println(" To reset the ACLs to the unsecure cluster behavior:");
System.err.println(" hbase " + getClass().getName());
System.err.println();
System.err.println(" To reset the ACLs to the secure cluster behavior:");
System.err.println(" hbase " + getClass().getName() + " -set-acls");
System.exit(1);
}
@Override
public int run(String[] args) throws Exception {
Configuration conf = getConf();
resetHBaseAcls(conf);
boolean eraseAcls = true;
for (int i = 0; i < args.length; ++i) {
if (args[i].equals("-help")) {
printUsageAndExit();
} else if (args[i].equals("-set-acls")) {
eraseAcls = false;
} else {
printUsageAndExit();
}
}
resetAcls(getConf(), eraseAcls);
return(0);
}
public static void main(String[] args) throws Exception {
System.exit(ToolRunner.run(new Configuration(), new ZkAclReset(), args));
System.exit(ToolRunner.run(HBaseConfiguration.create(), new ZkAclReset(), args));
}
}