Adding a graceful shutdown option for the VXQuery cluster.

Project: http://git-wip-us.apache.org/repos/asf/vxquery/repo
Commit: http://git-wip-us.apache.org/repos/asf/vxquery/commit/1fea6e3e
Tree: http://git-wip-us.apache.org/repos/asf/vxquery/tree/1fea6e3e
Diff: http://git-wip-us.apache.org/repos/asf/vxquery/diff/1fea6e3e

Branch: refs/heads/prestonc/exrt_benchmark_queries
Commit: 1fea6e3e6ae80841fb86e8e6f602988dc1f60f4a
Parents: 6b7aa1d
Author: Preston Carman <[email protected]>
Authored: Tue Sep 23 21:46:01 2014 -0700
Committer: Preston Carman <[email protected]>
Committed: Tue Sep 23 21:46:01 2014 -0700

----------------------------------------------------------------------
 vxquery-server/pom.xml                          |  4 +
 .../vxquery/cli/VXQueryClusterShutdown.java     | 93 ++++++++++++++++++++
 .../main/resources/scripts/cluster_actions.py   | 16 +++-
 .../src/main/resources/scripts/cluster_cli.py   |  6 +-
 .../resources/scripts/cluster_information.py    | 27 ++++--
 .../src/main/resources/scripts/startcc.sh       |  4 +-
 .../src/main/resources/scripts/startnc.sh       |  4 +-
 .../src/main/resources/scripts/stopcc.sh        |  3 +-
 .../src/main/resources/scripts/stopcluster.sh   | 45 ++++++++++
 .../src/main/resources/scripts/stopnc.sh        |  2 +-
 10 files changed, 183 insertions(+), 21 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/vxquery/blob/1fea6e3e/vxquery-server/pom.xml
----------------------------------------------------------------------
diff --git a/vxquery-server/pom.xml b/vxquery-server/pom.xml
index ef8f348..6c99712 100644
--- a/vxquery-server/pom.xml
+++ b/vxquery-server/pom.xml
@@ -47,6 +47,10 @@
             <configuration>
               <programs>
                 <program>
+                  
<mainClass>org.apache.vxquery.cli.VXQueryClusterShutdown</mainClass>
+                  <name>vxqueryshutdown</name>
+                </program>
+                <program>
                   
<mainClass>edu.uci.ics.hyracks.control.cc.CCDriver</mainClass>
                   <name>vxquerycc</name>
                 </program>

http://git-wip-us.apache.org/repos/asf/vxquery/blob/1fea6e3e/vxquery-server/src/main/java/org/apache/vxquery/cli/VXQueryClusterShutdown.java
----------------------------------------------------------------------
diff --git 
a/vxquery-server/src/main/java/org/apache/vxquery/cli/VXQueryClusterShutdown.java
 
b/vxquery-server/src/main/java/org/apache/vxquery/cli/VXQueryClusterShutdown.java
new file mode 100644
index 0000000..34c69b9
--- /dev/null
+++ 
b/vxquery-server/src/main/java/org/apache/vxquery/cli/VXQueryClusterShutdown.java
@@ -0,0 +1,93 @@
+/*
+ * 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.vxquery.cli;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.kohsuke.args4j.Argument;
+import org.kohsuke.args4j.CmdLineParser;
+import org.kohsuke.args4j.Option;
+
+import edu.uci.ics.hyracks.api.client.HyracksConnection;
+import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
+
+public class VXQueryClusterShutdown {
+    /**
+     * Main method to get command line options and execute query process.
+     * 
+     * @param args
+     * @throws Exception
+     */
+    public static void main(String[] args) throws Exception {
+        final CmdLineOptions opts = new CmdLineOptions();
+        CmdLineParser parser = new CmdLineParser(opts);
+
+        System.err.println("prep");
+
+        // parse command line options
+        try {
+            parser.parseArgument(args);
+        } catch (Exception e) {
+            parser.printUsage(System.err);
+            return;
+        }
+        System.err.println("read");
+        System.err.println(opts.clientNetIpAddress);
+        System.err.println(opts.clientNetPort);
+        
+        // give error message if missing arguments
+        if (opts.clientNetIpAddress == null || opts.clientNetPort == -1) {
+            parser.printUsage(System.err);
+            return;
+        }
+        System.err.println("ready");
+        
+        IHyracksClientConnection hcc;
+        try {
+            hcc = new HyracksConnection(opts.clientNetIpAddress, 
opts.clientNetPort);
+        } catch (Exception e) {
+            System.err.println("Unable to connect to the Hyracks cluster.");
+            System.err.println(e);
+            return;
+        }
+        
+        System.err.println("connected");
+        try {
+            hcc.stopCluster();
+        } catch (Exception e) {
+            System.err.println("Unable to shutdown the Hyracks cluster.");
+            System.err.println(e);
+            return;
+        }
+        
+        System.err.println("done");
+    }
+
+    /**
+     * Helper class with fields and methods to handle all command line options
+     */
+    private static class CmdLineOptions {
+        @Option(name = "-client-net-ip-address", usage = "IP Address of the 
ClusterController")
+        private String clientNetIpAddress = null;
+
+        @Option(name = "-client-net-port", usage = "Port of the 
ClusterController")
+        private int clientNetPort = -1;
+
+        @Argument
+        private List<String> arguments = new ArrayList<String>();
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/vxquery/blob/1fea6e3e/vxquery-server/src/main/resources/scripts/cluster_actions.py
----------------------------------------------------------------------
diff --git a/vxquery-server/src/main/resources/scripts/cluster_actions.py 
b/vxquery-server/src/main/resources/scripts/cluster_actions.py
index a7cda17..deeee33 100644
--- a/vxquery-server/src/main/resources/scripts/cluster_actions.py
+++ b/vxquery-server/src/main/resources/scripts/cluster_actions.py
@@ -62,6 +62,10 @@ class ClusterActions:
         time.sleep(5)
         self.start_all_ncs()
     
+    def stop_cluster(self):
+        machine = self.ci.get_master_node_machine()
+        self.stop_cc_and_all_ncs(machine)
+    
     def stop(self):
         self.stop_all_ncs()
         time.sleep(2)
@@ -109,16 +113,22 @@ class ClusterActions:
     
     def start_cc(self, machine):
         print "Start Cluster Controller."
-        print "  " + machine.get_id() + " " + machine.get_ip() + ":" + 
machine.get_port()
-        command = "./vxquery-server/target/appassembler/bin/startcc.sh " + 
machine.get_ip() + " \"" + machine.get_port() + "\" \"" + 
machine.get_java_opts() + "\""
+        print "  " + machine.get_id() + " " + machine.get_client_ip() + ":" + 
machine.get_client_port()
+        command = "./vxquery-server/target/appassembler/bin/startcc.sh " + 
machine.get_client_ip() + " \"" + machine.get_client_port() + "\" \"" + 
machine.get_java_opts() + "\""
         self.run_remote_command(machine.get_username(), machine.get_id(), 
command)
     
     def start_nc(self, machine, cc):
         print "Start Node Controller."
         print "  " + machine.get_id() + " " + machine.get_ip()
-        command = "./vxquery-server/target/appassembler/bin/startnc.sh " + 
machine.get_id() + " " + machine.get_ip() + " " + cc.get_ip() + " \"" + 
cc.get_port() + "\" \"" + machine.get_java_opts() + "\""
+        command = "./vxquery-server/target/appassembler/bin/startnc.sh " + 
machine.get_id() + " " + machine.get_ip() + " " + cc.get_client_ip() + " \"" + 
cc.get_client_port() + "\" \"" + machine.get_java_opts() + "\""
         self.run_remote_command(machine.get_username(), machine.get_id(), 
command)
 
+    def stop_cc_and_all_ncs(self, machine):
+        print "Stop Cluster and Node Controllers."
+        print "  " + machine.get_id() + " " + machine.get_client_ip() + ":" + 
machine.get_client_port()
+        command = "./vxquery-server/target/appassembler/bin/stopcluster.sh " + 
machine.get_client_ip() + " \"" + machine.get_client_port() + "\" \"" + 
machine.get_java_opts() + "\""
+        self.run_remote_command(machine.get_username(), machine.get_id(), 
command)
+    
     def stop_cc(self, machine):
         print "Stop Cluster Controller."
         print "  " + machine.get_id() + " " + machine.get_ip()

http://git-wip-us.apache.org/repos/asf/vxquery/blob/1fea6e3e/vxquery-server/src/main/resources/scripts/cluster_cli.py
----------------------------------------------------------------------
diff --git a/vxquery-server/src/main/resources/scripts/cluster_cli.py 
b/vxquery-server/src/main/resources/scripts/cluster_cli.py
index 089ad08..bd5efa6 100644
--- a/vxquery-server/src/main/resources/scripts/cluster_cli.py
+++ b/vxquery-server/src/main/resources/scripts/cluster_cli.py
@@ -39,10 +39,10 @@ def main(argv):
             sys.exit()
         elif opt in ('-a', "--action"):
             # check if file exists.
-            if arg in ('deploy', 'start', 'stop'):
+            if arg in ('deploy', 'start', 'stop', 'kill'):
                 action = arg
             else:
-                print 'Error: Argument must be a string ("deploy", "start", or 
"stop") for --action (-a).'
+                print 'Error: Argument must be a string ("deploy", "start", 
"stop", or "kill") for --action (-a).'
                 sys.exit()
         elif opt in ('-c', "--cluster"):
             # check if file exists.
@@ -72,6 +72,8 @@ def main(argv):
     if action == 'start':
         cluster.start()
     elif action == 'stop':
+        cluster.stop_cluster()
+    elif action == 'kill':
         cluster.stop()
     elif action == 'deploy':
         if deploy_path != "":

http://git-wip-us.apache.org/repos/asf/vxquery/blob/1fea6e3e/vxquery-server/src/main/resources/scripts/cluster_information.py
----------------------------------------------------------------------
diff --git a/vxquery-server/src/main/resources/scripts/cluster_information.py 
b/vxquery-server/src/main/resources/scripts/cluster_information.py
index 677204b..94b231d 100644
--- a/vxquery-server/src/main/resources/scripts/cluster_information.py
+++ b/vxquery-server/src/main/resources/scripts/cluster_information.py
@@ -32,12 +32,13 @@ class ClusterInformation:
         master_node = self.config.getElementsByTagName("master_node")[0]
         id = NodeXmlReader.get_cluster_id(master_node)
         ip = NodeXmlReader.get_cluster_ip(master_node)
-        port = NodeXmlReader.get_cluster_port(master_node)
+        client_ip = NodeXmlReader.get_client_ip(master_node)
+        client_port = NodeXmlReader.get_client_port(master_node)
         java_opts = NodeXmlReader.get_java_opts(master_node)
         if java_opts is "":
             java_opts = self.get_java_opts()
         username = self.get_username()
-        return Machine(id, ip, username, port, java_opts)
+        return Machine(id, ip, username, client_ip, client_port, java_opts)
 
     def get_node_machine_list(self):
         nodes = []
@@ -48,7 +49,7 @@ class ClusterInformation:
             java_opts = NodeXmlReader.get_java_opts(node)
             if java_opts is "":
                 java_opts = self.get_java_opts()
-            nodes.append(Machine(id, ip, username, "", java_opts))
+            nodes.append(Machine(id, ip, username, "", "", java_opts))
         return nodes
 
 class NodeXmlReader(object):
@@ -64,8 +65,12 @@ class NodeXmlReader(object):
         return get_tag_text(node, "cluster_ip")
 
     @staticmethod
-    def get_cluster_port(node):
-        return get_tag_text(node, "cluster_port")
+    def get_client_ip(node):
+        return get_tag_text(node, "client_ip")
+
+    @staticmethod
+    def get_client_port(node):
+        return get_tag_text(node, "client_port")
 
     @staticmethod
     def get_java_opts(node):
@@ -90,11 +95,12 @@ class Machine:
     log_path = ""
     port = ""
     
-    def __init__(self, id, ip, username, port="", java_opts=""):
+    def __init__(self, id, ip, username, client_ip="", client_port="", 
java_opts=""):
         self.id = id
         self.ip = ip
         self.username = username
-        self.port = port
+        self.client_ip = client_ip
+        self.client_port = client_port
         self.java_opts = java_opts
     
     def get_id(self):
@@ -106,8 +112,11 @@ class Machine:
     def get_java_opts(self):
         return self.java_opts
     
-    def get_port(self):
-        return self.port
+    def get_client_ip(self):
+        return self.client_ip
+    
+    def get_client_port(self):
+        return self.client_port
     
     def get_username(self):
         return self.username

http://git-wip-us.apache.org/repos/asf/vxquery/blob/1fea6e3e/vxquery-server/src/main/resources/scripts/startcc.sh
----------------------------------------------------------------------
diff --git a/vxquery-server/src/main/resources/scripts/startcc.sh 
b/vxquery-server/src/main/resources/scripts/startcc.sh
index 002055c..26535ab 100755
--- a/vxquery-server/src/main/resources/scripts/startcc.sh
+++ b/vxquery-server/src/main/resources/scripts/startcc.sh
@@ -23,7 +23,7 @@ CCHOST=$1
 CCPORT=$2
 J_OPTS=$3
 
-#Export JAVA_HOME
+# Export JAVA_HOME
 export JAVA_HOME=${JAVA_HOME}
 
 # java opts added parameters
@@ -46,5 +46,5 @@ then
     CC_OPTIONS=" ${CC_OPTIONS} -cluster-net-port ${CCPORT} "
 fi
 
-#Launch hyracks cc script without toplogy
+# Launch hyracks cc script without toplogy
 ${VXQUERY_HOME}/vxquery-server/target/appassembler/bin/vxquerycc ${CC_OPTIONS} 
&> ${CCLOGS_DIR}/cc_$(date +%Y%m%d%H%M).log &

http://git-wip-us.apache.org/repos/asf/vxquery/blob/1fea6e3e/vxquery-server/src/main/resources/scripts/startnc.sh
----------------------------------------------------------------------
diff --git a/vxquery-server/src/main/resources/scripts/startnc.sh 
b/vxquery-server/src/main/resources/scripts/startnc.sh
index c2bda3c..260512e 100755
--- a/vxquery-server/src/main/resources/scripts/startnc.sh
+++ b/vxquery-server/src/main/resources/scripts/startnc.sh
@@ -25,7 +25,7 @@ CCHOST=$3
 CCPORT=$4
 J_OPTS=$5
 
-#Set JAVA_HOME
+# Set JAVA_HOME
 export JAVA_HOME=$JAVA_HOME
 
 # java opts added parameters
@@ -49,5 +49,5 @@ then
 fi
 
 
-#Launch hyracks nc
+# Launch hyracks nc
 ${VXQUERY_HOME}/vxquery-server/target/appassembler/bin/vxquerync ${NC_OPTIONS} 
&> ${NCLOGS_DIR}/nc_$(date +%Y%m%d%H%M).log &

http://git-wip-us.apache.org/repos/asf/vxquery/blob/1fea6e3e/vxquery-server/src/main/resources/scripts/stopcc.sh
----------------------------------------------------------------------
diff --git a/vxquery-server/src/main/resources/scripts/stopcc.sh 
b/vxquery-server/src/main/resources/scripts/stopcc.sh
index 3290ec6..f2b6883 100755
--- a/vxquery-server/src/main/resources/scripts/stopcc.sh
+++ b/vxquery-server/src/main/resources/scripts/stopcc.sh
@@ -21,8 +21,7 @@ hostname
 
 USER=$1
 
-#Kill process
-#Kill process
+# Kill process
 PID=`ps -ef|grep ${USER}|grep java|grep 'Dapp.name=vxquerycc'|awk '{print $2}'`
 
 if [ "$PID" == "" ]; then

http://git-wip-us.apache.org/repos/asf/vxquery/blob/1fea6e3e/vxquery-server/src/main/resources/scripts/stopcluster.sh
----------------------------------------------------------------------
diff --git a/vxquery-server/src/main/resources/scripts/stopcluster.sh 
b/vxquery-server/src/main/resources/scripts/stopcluster.sh
new file mode 100755
index 0000000..5dbdd26
--- /dev/null
+++ b/vxquery-server/src/main/resources/scripts/stopcluster.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+#
+# 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.
+#
+
+CCHOST=$1
+CCPORT=$2
+J_OPTS=$3
+
+# Export JAVA_HOME
+export JAVA_HOME=${JAVA_HOME}
+
+# java opts added parameters
+if [ ! -z "${J_OPTS}" ]
+then
+    JAVA_OPTS="${JAVA_OPTS} ${J_OPTS}"
+    export JAVA_OPTS
+fi
+
+VXQUERY_HOME=`pwd`
+CCLOGS_DIR=${VXQUERY_HOME}/logs
+
+# logs dir
+mkdir -p ${CCLOGS_DIR}
+
+# Set up the options for the cc.
+CC_OPTIONS=" -client-net-ip-address ${CCHOST} -client-net-port ${CCPORT} "
+
+# Launch hyracks cc script without toplogy
+echo "${VXQUERY_HOME}/vxquery-server/target/appassembler/bin/vxqueryshutdown 
${CC_OPTIONS} &> ${CCLOGS_DIR}/shutdown_$(date +%Y%m%d%H%M).log &"
+${VXQUERY_HOME}/vxquery-server/target/appassembler/bin/vxqueryshutdown 
${CC_OPTIONS} &> ${CCLOGS_DIR}/shutdown_$(date +%Y%m%d%H%M).log &

http://git-wip-us.apache.org/repos/asf/vxquery/blob/1fea6e3e/vxquery-server/src/main/resources/scripts/stopnc.sh
----------------------------------------------------------------------
diff --git a/vxquery-server/src/main/resources/scripts/stopnc.sh 
b/vxquery-server/src/main/resources/scripts/stopnc.sh
index 56ffc66..8f29de5 100755
--- a/vxquery-server/src/main/resources/scripts/stopnc.sh
+++ b/vxquery-server/src/main/resources/scripts/stopnc.sh
@@ -21,7 +21,7 @@ hostname
 
 USER=$1
 
-#Kill process
+# Kill process
 PID=`ps -ef|grep ${USER}|grep java|grep 'Dapp.name=vxquerync'|awk '{print $2}'`
 
 if [ "$PID" == "" ]; then

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