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HDFS-8693. Addendum patch to execute the command using UGI. Contributed by Brahma Reddy Battula. 

(cherry picked from commit 35c17351ca)
This commit is contained in:
Brahma Reddy Battula 2018-02-12 22:14:34 +05:30
parent 82530c966a
commit 24af0bc144
1 changed files with 17 additions and 4 deletions
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19
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolManager.java
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@ -240,20 +240,33 @@ class BlockPoolManager {
Joiner.on(",").useForNull("<default>").join(toRefresh));
for (String nsToRefresh : toRefresh) {
BPOfferService bpos = bpByNameserviceId.get(nsToRefresh);
final BPOfferService bpos = bpByNameserviceId.get(nsToRefresh);
Map<String, InetSocketAddress> nnIdToAddr = addrMap.get(nsToRefresh);
Map<String, InetSocketAddress> nnIdToLifelineAddr =
lifelineAddrMap.get(nsToRefresh);
ArrayList<InetSocketAddress> addrs =
final ArrayList<InetSocketAddress> addrs =
Lists.newArrayListWithCapacity(nnIdToAddr.size());
ArrayList<InetSocketAddress> lifelineAddrs =
final ArrayList<InetSocketAddress> lifelineAddrs =
Lists.newArrayListWithCapacity(nnIdToAddr.size());
for (String nnId : nnIdToAddr.keySet()) {
addrs.add(nnIdToAddr.get(nnId));
lifelineAddrs.add(nnIdToLifelineAddr != null ?
nnIdToLifelineAddr.get(nnId) : null);
}
try {
UserGroupInformation.getLoginUser()
.doAs(new PrivilegedExceptionAction<Object>() {
@Override
public Object run() throws Exception {
bpos.refreshNNList(addrs, lifelineAddrs);
return null;
}
});
} catch (InterruptedException ex) {
IOException ioe = new IOException();
ioe.initCause(ex.getCause());
throw ioe;
}
}
}
}