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HDFS-12339. NFS Gateway on Shutdown Gives Unregistration Failure. Does Not Unregister with rpcbind Portmapper. Contributed by Mukul Kumar Singh.

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This commit is contained in:
Anu Engineer 2017-09-23 12:27:34 -07:00
parent 40ef9fa171
commit ecc85620e8
4 changed files with 33 additions and 8 deletions
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14
hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/mount/MountdBase.java
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@ -109,6 +109,17 @@ public void start(boolean register) {
} }
} }
public void stop() {
if (udpBoundPort > 0) {
rpcProgram.unregister(PortmapMapping.TRANSPORT_UDP, udpBoundPort);
udpBoundPort = 0;
}
if (tcpBoundPort > 0) {
rpcProgram.unregister(PortmapMapping.TRANSPORT_TCP, tcpBoundPort);
tcpBoundPort = 0;
}
}
/** /**
* Priority of the mountd shutdown hook. * Priority of the mountd shutdown hook.
*/ */
@ -117,8 +128,7 @@ public void start(boolean register) {
private class Unregister implements Runnable { private class Unregister implements Runnable {
@Override @Override
public synchronized void run() { public synchronized void run() {
rpcProgram.unregister(PortmapMapping.TRANSPORT_UDP, udpBoundPort); stop();
rpcProgram.unregister(PortmapMapping.TRANSPORT_TCP, tcpBoundPort);
} }
} }

10
hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/nfs/nfs3/Nfs3Base.java
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@ -78,6 +78,13 @@ private void startTCPServer() {
nfsBoundPort = tcpServer.getBoundPort(); nfsBoundPort = tcpServer.getBoundPort();
} }
public void stop() {
if (nfsBoundPort > 0) {
rpcProgram.unregister(PortmapMapping.TRANSPORT_TCP, nfsBoundPort);
nfsBoundPort = 0;
}
rpcProgram.stopDaemons();
}
/** /**
* Priority of the nfsd shutdown hook. * Priority of the nfsd shutdown hook.
*/ */
@ -86,8 +93,7 @@ private void startTCPServer() {
private class NfsShutdownHook implements Runnable { private class NfsShutdownHook implements Runnable {
@Override @Override
public synchronized void run() { public synchronized void run() {
rpcProgram.unregister(PortmapMapping.TRANSPORT_TCP, nfsBoundPort); stop();
rpcProgram.stopDaemons();
} }
} }
} }

8
hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/Nfs3.java
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@ -57,7 +57,7 @@ public void startServiceInternal(boolean register) throws IOException {
start(register); start(register);
} }
static void startService(String[] args, static Nfs3 startService(String[] args,
DatagramSocket registrationSocket) throws IOException { DatagramSocket registrationSocket) throws IOException {
StringUtils.startupShutdownMessage(Nfs3.class, args, LOG); StringUtils.startupShutdownMessage(Nfs3.class, args, LOG);
NfsConfiguration conf = new NfsConfiguration(); NfsConfiguration conf = new NfsConfiguration();
@ -67,6 +67,12 @@ static void startService(String[] args,
final Nfs3 nfsServer = new Nfs3(conf, registrationSocket, final Nfs3 nfsServer = new Nfs3(conf, registrationSocket,
allowInsecurePorts); allowInsecurePorts);
nfsServer.startServiceInternal(true); nfsServer.startServiceInternal(true);
return nfsServer;
}
public void stop() {
super.stop();
mountd.stop();
} }
public static void main(String[] args) throws IOException { public static void main(String[] args) throws IOException {

7
hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/PrivilegedNfsGatewayStarter.java
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@ -40,6 +40,7 @@ public class PrivilegedNfsGatewayStarter implements Daemon {
static final Log LOG = LogFactory.getLog(PrivilegedNfsGatewayStarter.class); static final Log LOG = LogFactory.getLog(PrivilegedNfsGatewayStarter.class);
private String[] args = null; private String[] args = null;
private DatagramSocket registrationSocket = null; private DatagramSocket registrationSocket = null;
private Nfs3 nfs3Server = null;
@Override @Override
public void init(DaemonContext context) throws Exception { public void init(DaemonContext context) throws Exception {
@ -68,12 +69,14 @@ public void init(DaemonContext context) throws Exception {
@Override @Override
public void start() throws Exception { public void start() throws Exception {
Nfs3.startService(args, registrationSocket); nfs3Server = Nfs3.startService(args, registrationSocket);
} }
@Override @Override
public void stop() throws Exception { public void stop() throws Exception {
// Nothing to do. if (nfs3Server != null) {
nfs3Server.stop();
}
} }
@Override @Override