Merged asterix_lsm_stabilization upto r1547

git-svn-id: https://asterixdb.googlecode.com/svn/trunk/asterix@1622 eaa15691-b419-025a-1212-ee371bd00084
diff --git a/asterix-events/src/main/resources/events/backup/backup.sh b/asterix-events/src/main/resources/events/backup/backup.sh
new file mode 100755
index 0000000..556ca39
--- /dev/null
+++ b/asterix-events/src/main/resources/events/backup/backup.sh
@@ -0,0 +1,72 @@
+WORKING_DIR=$1
+ASTERIX_INSTANCE_NAME=$2
+ASTERIX_IODEVICES=$3
+NODE_STORE=$4
+ASTERIX_ROOT_METADATA_DIR=$5
+TXN_LOG_DIR_NAME=$6
+BACKUP_ID=$7
+BACKUP_DIR=$8
+BACKUP_TYPE=$9
+NODE_ID=${10}
+
+nodeIODevices=$(echo $ASTERIX_IODEVICES | tr "," "\n")
+
+if [ $BACKUP_TYPE == "hdfs" ];
+then
+  HDFS_URL=${11}
+  HADOOP_VERSION=${12}
+  export HADOOP_HOME=$WORKING_DIR/hadoop-$HADOOP_VERSION
+  index=1
+  for nodeIODevice in $nodeIODevices
+  do
+    STORE_DIR=$nodeIODevice/$NODE_STORE
+    TXN_LOG_DIR=$nodeIODevice/$TXN_LOG_DIR_NAME
+    NODE_BACKUP_DIR=$BACKUP_DIR/$ASTERIX_INSTANCE_NAME/$BACKUP_ID/$NODE_ID/
+   
+    # make the destination directory 
+    $HADOOP_HOME/bin/hadoop fs -mkdir $STORE_DIR $HDFS_URL/$NODE_BACKUP_DIR
+
+    # copy store directory
+    $HADOOP_HOME/bin/hadoop fs -copyFromLocal $STORE_DIR $HDFS_URL/$NODE_BACKUP_DIR/
+
+    # copy asterix root metadata directory and log directory from the primary(first) iodevice
+    if [ $index -eq 1 ];
+    then
+      # copy asterix root metadata directory
+      $HADOOP_HOME/bin/hadoop fs -copyFromLocal $nodeIODevice/$ASTERIX_ROOT_METADATA_DIR $HDFS_URL/$NODE_BACKUP_DIR/
+
+      # copy log directory 
+      $HADOOP_HOME/bin/hadoop fs -copyFromLocal $TXN_LOG_DIR $HDFS_URL/$NODE_BACKUP_DIR/
+    fi
+
+    index=`expr $index + 1`
+  done
+else 
+  index=1
+  for nodeIODevice in $nodeIODevices
+  do
+    STORE_DIR=$nodeIODevice/$NODE_STORE
+    TXN_LOG_DIR=$nodeIODevice/$TXN_LOG_DIR_NAME
+    NODE_BACKUP_DIR=$BACKUP_DIR/$ASTERIX_INSTANCE_NAME/$BACKUP_ID/$NODE_ID
+
+    # create the backup directory, if it does not exists
+    if [ ! -d $NODE_BACKUP_DIR ];
+    then
+      mkdir -p $NODE_BACKUP_DIR
+    fi
+
+    # copy store directory
+    cp -r $STORE_DIR $NODE_BACKUP_DIR/
+
+    # copy asterix root metadata directory and log directory from the primary(first) iodevice
+    if [ $index -eq 1 ];
+    then
+      cp -r $nodeIODevice/$ASTERIX_ROOT_METADATA_DIR  $NODE_BACKUP_DIR/
+
+      # copy log directory
+      cp -r $TXN_LOG_DIR $NODE_BACKUP_DIR/
+    fi
+
+    index=`expr $index + 1`
+  done
+fi
diff --git a/asterix-events/src/main/resources/events/cc_failure/cc_failure.sh b/asterix-events/src/main/resources/events/cc_failure/cc_failure.sh
new file mode 100755
index 0000000..aa722e5
--- /dev/null
+++ b/asterix-events/src/main/resources/events/cc_failure/cc_failure.sh
@@ -0,0 +1,6 @@
+#kill -9 `ps -ef  | grep hyracks | grep -v grep | cut -d "/" -f1 | tr -s " " | cut -d " " -f2`
+CC_PARENT_ID_INFO=`ps -ef  | grep asterix | grep cc_start | grep -v ssh`
+CC_PARENT_ID=`echo $CC_PARENT_ID_INFO | tr -s " " | cut -d " " -f2`
+CC_ID_INFO=`ps -ef | grep asterix | grep $CC_PARENT_ID | grep -v bash`
+CC_ID=`echo $CC_ID_INFO |  tr -s " " | cut -d " " -f2`
+kill -9 $CC_ID
diff --git a/asterix-events/src/main/resources/events/cc_start/cc_start.sh b/asterix-events/src/main/resources/events/cc_start/cc_start.sh
new file mode 100755
index 0000000..37645bc
--- /dev/null
+++ b/asterix-events/src/main/resources/events/cc_start/cc_start.sh
@@ -0,0 +1,5 @@
+if [ ! -d $LOG_DIR ]; 
+then 
+  mkdir -p $LOG_DIR
+fi
+$ASTERIX_HOME/bin/asterixcc -client-net-ip-address $CLIENT_NET_IP -client-net-port 1098 -cluster-net-ip-address $CLUSTER_NET_IP -cluster-net-port 1099 -http-port 8888  &> $LOG_DIR/cc.log
diff --git a/asterix-events/src/main/resources/events/events.xml b/asterix-events/src/main/resources/events/events.xml
new file mode 100644
index 0000000..f85e3ea
--- /dev/null
+++ b/asterix-events/src/main/resources/events/events.xml
@@ -0,0 +1,106 @@
+<events xmlns="events">
+  <event>
+    <type>node_join</type>
+    <script>node_join/nc_join.sh</script>
+    <description>Creates a NodeController process at a specified location.</description>
+    <args>location_of_cc location(hostname/ip_address) node_controller_id</args>
+    <daemon>true</daemon>
+  </event>
+  <event>
+    <type>node_failure</type>
+    <script>node_failure/nc_failure.sh</script>
+    <description>Kills a NodeController process at a specified location.</description>
+    <args>node_controller_id</args>
+    <daemon>false</daemon>
+  </event>
+  <event>
+    <type>cc_start</type>
+    <script>cc_start/cc_start.sh</script>
+    <description>Starts a  ClusterController process at a specified location.</description>
+    <args></args>
+    <daemon>true</daemon>
+  </event>
+  <event>
+    <type>cc_failure</type>
+    <script>cc_failure/cc_failure.sh</script>
+    <description>Kills the Cluster Controller process running at a specified location.</description>
+    <args></args>
+    <daemon>false</daemon>
+  </event>
+  <event>
+    <type>node_restart</type>
+    <script>node_restart/nc_restart.sh</script>
+    <description>Shuts and restarts a NodeControllerProcess after a specified time interval, at a specified location</description>
+    <args>address of cc, node controller id and sleep interval(seconds)</args>
+    <daemon>true</daemon>
+  </event>
+  <event>
+    <type>asterix_deploy</type>
+    <script>asterix_deploy/asterix_deploy.sh</script>
+    <description>Deploys Asterix application on a cluster running hyracks</description>
+    <args>IP address of the node running the hyracks cluster controller</args>
+    <daemon>false</daemon>
+  </event>
+  <event>
+    <type>zookeeper_start</type>
+    <script>zookeeper/start.sh</script>
+    <description>Launches ZooKeeper server process</description>
+    <args>IP address of the ZooKeeper server</args>
+    <daemon>true</daemon>
+  </event>
+  <event>
+    <type>zookeeper_stop</type>
+    <script>zookeeper/stop.sh</script>
+    <description>Terminates ZooKeeper server process</description>
+    <args>IP address of the ZooKeeper server</args>
+    <daemon>false</daemon>
+  </event>
+  <event>
+    <type>file_transfer</type>
+    <script>file/transfer.sh</script>
+    <description>Copies a file on the local file system to a remote node</description>
+    <args>local_source_path destination_node destination_path</args>
+    <daemon>false</daemon>
+  </event>
+  <event>
+    <type>directory_transfer</type>
+    <script>file/dir_transfer.sh</script>
+    <description>Copies a directory (and its contents) on the local file system to a remote node</description>
+    <args>local_source_path destination_node destination_path</args>
+    <daemon>false</daemon>
+  </event>
+  <event>
+    <type>file_delete</type>
+    <script>file/delete.sh</script>
+    <description>Deletes a file on the local file system to a remote node</description>
+    <args>local_source_path destination_node destination_path</args>
+    <daemon>false</daemon>
+  </event>
+  <event>
+    <type>backup</type>
+    <script>backup/backup.sh</script>
+    <description>Takes a backup of an Asterix instance</description>
+    <args>Asterix_data_dir HDFSurl</args>
+    <daemon>false</daemon>
+  </event>
+  <event>
+    <type>restore</type>
+    <script>restore/restore.sh</script>
+    <description>Restores an Asterix instance from a back up</description>
+    <args>Asterix_data_dir HDFSurl</args>
+    <daemon>false</daemon>
+  </event>
+  <event>
+    <type>hdfs_delete</type>
+    <script>hdfs/delete.sh</script>
+    <description>Deletes an HDFS path</description>
+    <args>WorkingDir HadoopVersion HDFSUrl Path_to_Delete</args>
+    <daemon>false</daemon>
+  </event>
+  <event>
+    <type>node_info</type>
+    <script>node_info/node_info.sh</script>
+    <description>Retrieved environment information for a node</description>
+    <daemon>false</daemon>
+  </event>
+</events>
diff --git a/asterix-events/src/main/resources/events/file/delete.sh b/asterix-events/src/main/resources/events/file/delete.sh
new file mode 100755
index 0000000..d5ac3ff
--- /dev/null
+++ b/asterix-events/src/main/resources/events/file/delete.sh
@@ -0,0 +1,3 @@
+PATH_TO_DELETE=$1
+echo "rm -rf $PATH_TO_DELETE" >> ~/backup.log
+rm -rf $PATH_TO_DELETE
diff --git a/asterix-events/src/main/resources/events/file/dir_transfer.sh b/asterix-events/src/main/resources/events/file/dir_transfer.sh
new file mode 100755
index 0000000..af7da70
--- /dev/null
+++ b/asterix-events/src/main/resources/events/file/dir_transfer.sh
@@ -0,0 +1,7 @@
+USERNAME=$1
+DIR_TO_TRANSFER=$2
+DEST_HOST=$3
+DEST_DIR=$4
+ssh -l $USERNAME $DEST_HOST "mkdir -p $DEST_DIR"
+echo "scp -r $DIR_TO_TRANSFER $USERNAME@$DEST_HOST:$DEST_DIR/" 
+scp -r $DIR_TO_TRANSFER $USERNAME@$DEST_HOST:$DEST_DIR/
diff --git a/asterix-events/src/main/resources/events/file/transfer.sh b/asterix-events/src/main/resources/events/file/transfer.sh
new file mode 100755
index 0000000..fbd4554
--- /dev/null
+++ b/asterix-events/src/main/resources/events/file/transfer.sh
@@ -0,0 +1,24 @@
+USERNAME=$1
+FILE_TO_TRANSFER=$2
+DEST_HOST=$3
+DEST_DIR=$4
+POST_ACTION=$5
+ssh -l $USERNAME $DEST_HOST "mkdir -p $DEST_DIR"
+echo "scp $FILE_TO_TRANSFER $USERNAME@$DEST_HOST:$DEST_DIR/" 
+scp $FILE_TO_TRANSFER $USERNAME@$DEST_HOST:$DEST_DIR/
+if [ $POST_ACTION == "unpack" ]
+ then 
+ filename=`echo ${FILE_TO_TRANSFER##*/}`
+ fileType=`echo ${FILE_TO_TRANSFER##*.}`
+ if [ $fileType == "tar" ]
+ then 
+   echo "ssh -l $USERNAME $DEST_HOST cd $DEST_DIR && tar xf $filename"
+   ssh -l $USERNAME $DEST_HOST "cd $DEST_DIR && tar xf $filename"
+ else if [ $fileType == "zip" ]
+   then
+     echo "ssh -l $USERNAME $DEST_HOST unzip -o -q -d $DEST_DIR $DEST_DIR/$filename"
+     ssh -l $USERNAME $DEST_HOST "unzip -o -q -d $DEST_DIR $DEST_DIR/$filename"
+     ssh -l $USERNAME $DEST_HOST "chmod -R 755  $DEST_DIR"
+   fi 
+ fi
+fi
diff --git a/asterix-events/src/main/resources/events/hdfs/delete.sh b/asterix-events/src/main/resources/events/hdfs/delete.sh
new file mode 100755
index 0000000..6ff54ee
--- /dev/null
+++ b/asterix-events/src/main/resources/events/hdfs/delete.sh
@@ -0,0 +1,7 @@
+WORKING_DIR=$1
+HADOOP_VERSION=$2
+HDFS_URL=$3
+HDFS_PATH=$4
+export HADOOP_HOME=$WORKING_DIR/hadoop-$HADOOP_VERSION
+echo "$HADOOP_HOME/bin/hadoop fs -rmr $HDFS_URL/$HDFS_PATH"
+$HADOOP_HOME/bin/hadoop fs -rmr $HDFS_URL/$HDFS_PATH
diff --git a/asterix-events/src/main/resources/events/node_failure/nc_failure.sh b/asterix-events/src/main/resources/events/node_failure/nc_failure.sh
new file mode 100755
index 0000000..c562bf2
--- /dev/null
+++ b/asterix-events/src/main/resources/events/node_failure/nc_failure.sh
@@ -0,0 +1,15 @@
+NC_ID=$1
+
+INFO=`ps -ef | grep nc_join | grep -v grep | grep -v ssh| grep $NC_ID | head -n 1`
+PARENT_ID=`echo  $INFO | cut -d " "  -f2`
+PID_INFO=`ps -ef |  grep asterix | grep -v grep | grep -v nc_join |  grep $PARENT_ID`
+PID=`echo $PID_INFO | cut -d " " -f2`
+kill -15 $PID
+
+cmd_output=$(jps|grep $PID)
+while [ ${#cmd_output} -ne 0 ]
+do
+  sleep 1
+  kill -15 $PID
+  cmd_output=$(jps|grep $PID)
+done
diff --git a/asterix-events/src/main/resources/events/node_info/node_info.sh b/asterix-events/src/main/resources/events/node_info/node_info.sh
new file mode 100755
index 0000000..2179d5a
--- /dev/null
+++ b/asterix-events/src/main/resources/events/node_info/node_info.sh
@@ -0,0 +1,2 @@
+JAVA_VERSION=`java -version 2>&1 |awk 'NR==1{ gsub(/"/,""); print $3 }'`
+echo "java_version=$JAVA_VERSION" 1>&2
diff --git a/asterix-events/src/main/resources/events/node_join/nc_join.sh b/asterix-events/src/main/resources/events/node_join/nc_join.sh
new file mode 100755
index 0000000..6b5280b
--- /dev/null
+++ b/asterix-events/src/main/resources/events/node_join/nc_join.sh
@@ -0,0 +1,8 @@
+CC_HOST=$1
+NC_ID=$2
+IO_DEVICES=$3
+if [ ! -d $LOG_DIR ]; 
+then 
+  mkdir -p $LOG_DIR
+fi
+$ASTERIX_HOME/bin/asterixnc -node-id $NC_ID -cc-host $CC_HOST -cc-port 1099 -cluster-net-ip-address $IP_LOCATION  -data-ip-address $IP_LOCATION -iodevices $IO_DEVICES -result-ip-address $IP_LOCATION &> $LOG_DIR/${NC_ID}.log
diff --git a/asterix-events/src/main/resources/events/node_restart/nc_restart.sh b/asterix-events/src/main/resources/events/node_restart/nc_restart.sh
new file mode 100755
index 0000000..961ce8d
--- /dev/null
+++ b/asterix-events/src/main/resources/events/node_restart/nc_restart.sh
@@ -0,0 +1,21 @@
+CC_HOST=$1
+NC_ID=$2
+SLEEP_TIME=$3
+
+if [ $NC_ID == 'ANY' ]
+then
+  NC_ID="." 
+  PARENT_ID=`ps -ej | tr -s " " | grep nc_join | grep -v grep | grep -v ssh |  cut -d " " -f2 | head -n 1` 
+  PARENT_PROCESS_ENTRY=`ps -ef | grep $PARENT_ID | grep -v grep   | head -n 1`
+  NC_ID=`echo ${PARENT_PROCESS_ENTRY##* }`
+  echo "NCid is $NC_ID" >> ~/try.txt
+else 
+  PARENT_ID=`ps -ej | tr -s " " | grep nc_join | grep -v grep | grep -v ssh | grep $NC_ID | cut -d " " -f2 | head -n 1` 
+fi 
+
+PID=`ps -ej | tr -s " " | grep hyracks | grep -v grep | grep -v nc_join |  grep $PARENT_ID | cut -d " " -f2 | head -n 1`
+kill -9 $PID
+
+sleep $3
+
+$HYRACKS_HOME/hyracks-server/target/hyracks-server-0.2.2-SNAPSHOT-binary-assembly/bin/hyracksnc -node-id $NC_ID -cc-host $CC_HOST -cc-port 1099 -cluster-net-ip-address $IP_LOCATION  -data-ip-address $IP_LOCATION
diff --git a/asterix-events/src/main/resources/events/restore/restore.sh b/asterix-events/src/main/resources/events/restore/restore.sh
new file mode 100755
index 0000000..6396eec
--- /dev/null
+++ b/asterix-events/src/main/resources/events/restore/restore.sh
@@ -0,0 +1,75 @@
+WORKING_DIR=$1
+ASTERIX_INSTANCE_NAME=$2
+ASTERIX_IODEVICES=$3
+NODE_STORE=$4
+ASTERIX_ROOT_METADATA_DIR=$5
+TXN_LOG_DIR_NAME=$6
+BACKUP_ID=$7
+BACKUP_DIR=$8
+BACKUP_TYPE=$9
+NODE_ID=${10}
+HDFS_URL=${11}
+HADOOP_VERSION=${12}
+HADOOP_HOME=$WORKING_DIR/hadoop-$HADOOP_VERSION
+
+iodevices=$(echo $ASTERIX_IODEVICES | tr "," "\n")
+
+index=1
+for iodevice in $iodevices
+do
+  NODE_BACKUP_DIR=$BACKUP_DIR/$ASTERIX_INSTANCE_NAME/$BACKUP_ID/$NODE_ID
+
+  # remove the existing store directory
+  STORE_DIR=$iodevice/$NODE_STORE
+
+  # if STORE_DIR ends with a /, remove it
+  if [ ${STORE_DIR:${#STORE_DIR}-1} == "/" ];
+  then
+    STORE_DIR=${STORE_DIR:0:${#STORE_DIR}-1}
+  fi
+
+  DEST_STORE_DIR=${STORE_DIR%/*}
+  SOURCE_STORE_DIR=${NODE_STORE##*/}
+  rm -rf $DEST_STORE_DIR/$SOURCE_STORE_DIR
+
+  # remove the existing log directory
+  DEST_LOG_DIR=$iodevice/$TXN_LOG_DIR_NAME/
+  rm -rf $DEST_LOG_DIR
+
+  # remove the existing asterix metadata directory
+  rm -rf $iodevice/$ASTERIX_ROOT_METADATA_DIR
+
+  if [ $BACKUP_TYPE == "hdfs" ];
+  then
+      # RESTORE FROM HDFS BACKUP
+
+      # copy store directory
+      $HADOOP_HOME/bin/hadoop fs -copyToLocal $HDFS_URL/$NODE_BACKUP_DIR/$SOURCE_STORE_DIR  $DEST_STORE_DIR/ 
+
+      # copy asterix metadata root directory and txn log directory
+      if [ $index -eq 1 ];
+      then
+        $HADOOP_HOME/bin/hadoop fs -copyToLocal $HDFS_URL/$NODE_BACKUP_DIR/$ASTERIX_ROOT_METADATA_DIR $iodevice/
+
+        # copy transaction logs directory
+        $HADOOP_HOME/bin/hadoop fs -copyToLocal $HDFS_URL/$NODE_BACKUP_DIR/$TXN_LOG_DIR_NAME $iodevice/
+      fi
+
+  else
+
+      # RESTORE FROM LOCAL BACKUP
+      # copy store directory
+      cp  -r $NODE_BACKUP_DIR/$SOURCE_STORE_DIR  $DEST_STORE_DIR/ 
+
+      # copy asterix metadata root directory and txn log directory
+      if [ $index -eq 1 ];
+      then
+        cp -r $NODE_BACKUP_DIR/$ASTERIX_ROOT_METADATA_DIR $iodevice/
+
+        # copy transaction logs directory
+        cp -r $NODE_BACKUP_DIR/$TXN_LOG_DIR_NAME $iodevice/
+      fi
+
+  fi
+  index=`expr $index + 1`
+done
diff --git a/asterix-events/src/main/resources/schema/cluster.xsd b/asterix-events/src/main/resources/schema/cluster.xsd
new file mode 100644
index 0000000..0e1adce
--- /dev/null
+++ b/asterix-events/src/main/resources/schema/cluster.xsd
@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:cl="cluster" targetNamespace="cluster" elementFormDefault="qualified">
+
+<!-- definition of simple types --> 
+<xs:element name="name" type="xs:string"/>
+<xs:element name="java_opts" type="xs:string"/>
+<xs:element name="logdir" type="xs:string"/>
+<xs:element name="id" type="xs:string"/>
+<xs:element name="client-ip" type="xs:string"/>
+<xs:element name="cluster-ip" type="xs:string"/>
+<xs:element name="key" type="xs:string"/>
+<xs:element name="value" type="xs:string"/>
+<xs:element name="dir" type="xs:string"/>
+<xs:element name="NFS" type="xs:boolean"/>
+<xs:element name="store" type="xs:string"/>
+<xs:element name="iodevices" type="xs:string"/>
+<xs:element name="java_home" type="xs:string"/>
+<xs:element name="username" type="xs:string"/>
+<xs:element name="debug" type="xs:integer"/>
+<xs:element name="debugEnabled" type="xs:boolean"/>
+
+<!-- definition of complex elements -->
+<xs:element name="workingDir">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="cl:dir"/>
+      <xs:element ref="cl:NFS"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+<xs:element name="master-node">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="cl:id"/>
+      <xs:element ref="cl:client-ip"/>
+      <xs:element ref="cl:cluster-ip"/>
+      <xs:element ref="cl:java_home" minOccurs="0"/>
+      <xs:element ref="cl:java_opts" minOccurs="0"/>
+      <xs:element ref="cl:logdir" minOccurs="0"/>
+      <xs:element ref="cl:debug" minOccurs="0"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+<xs:element name="property">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="cl:key"/>
+      <xs:element ref="cl:value"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+<xs:element name="env">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="cl:property" minOccurs="0" maxOccurs="unbounded"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+<xs:element name="node">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="cl:id"/>
+      <xs:element ref="cl:cluster-ip"/>
+      <xs:element ref="cl:java_home" minOccurs="0"/>
+      <xs:element ref="cl:java_opts" minOccurs="0"/>
+      <xs:element ref="cl:logdir" minOccurs="0"/>
+      <xs:element ref="cl:store" minOccurs="0"/>
+      <xs:element ref="cl:iodevices" minOccurs="0"/>
+      <xs:element ref="cl:debug" minOccurs="0"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+<xs:element name="cluster">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="cl:name"/>
+      <xs:element ref="cl:username"/>
+      <xs:element ref="cl:env" minOccurs="0"/>
+      <xs:element ref="cl:java_home" minOccurs="0"/>
+      <xs:element ref="cl:java_opts" minOccurs="0"/>
+      <xs:element ref="cl:logdir" minOccurs="0"/>
+      <xs:element ref="cl:store" minOccurs="0"/>
+      <xs:element ref="cl:iodevices" minOccurs="0"/>
+      <xs:element ref="cl:workingDir"/>
+      <xs:element ref="cl:debugEnabled" minOccurs="0"/>
+      <xs:element ref="cl:debug" minOccurs="0"/>
+      <xs:element ref="cl:master-node"/>
+      <xs:element ref="cl:node" maxOccurs="unbounded"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+</xs:schema>     
diff --git a/asterix-events/src/main/resources/schema/event.xsd b/asterix-events/src/main/resources/schema/event.xsd
new file mode 100644
index 0000000..a233c18
--- /dev/null
+++ b/asterix-events/src/main/resources/schema/event.xsd
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:es="events" targetNamespace="events" elementFormDefault="qualified">
+
+<!-- definition of simple types --> 
+<xs:element name="script" type="xs:string"/>
+<xs:element name="type" type="xs:string"/>
+<xs:element name="description" type="xs:string"/>
+<xs:element name="args" type="xs:string"/>
+<xs:element name="daemon" type="xs:boolean"/>
+
+<!-- definition of complex elements -->
+
+<xs:element name="event">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="es:type"/>
+      <xs:element ref="es:script"/>
+      <xs:element ref="es:description"/>
+      <xs:element ref="es:args"/>
+      <xs:element ref="es:daemon"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+<xs:element name="events">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="es:event" maxOccurs="unbounded"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+ 
+</xs:schema>     
diff --git a/asterix-events/src/main/resources/schema/jaxb-bindings.xjb b/asterix-events/src/main/resources/schema/jaxb-bindings.xjb
new file mode 100644
index 0000000..b5982e0
--- /dev/null
+++ b/asterix-events/src/main/resources/schema/jaxb-bindings.xjb
@@ -0,0 +1,9 @@
+<jxb:bindings version="1.0"
+xmlns:jxb="http://java.sun.com/xml/ns/jaxb"
+xmlns:xs="http://www.w3.org/2001/XMLSchema">
+
+<jxb:globalBindings>
+  <jxb:serializable uid="1"/>
+</jxb:globalBindings>
+
+</jxb:bindings>
diff --git a/asterix-events/src/main/resources/schema/pattern.xsd b/asterix-events/src/main/resources/schema/pattern.xsd
new file mode 100644
index 0000000..4eee880
--- /dev/null
+++ b/asterix-events/src/main/resources/schema/pattern.xsd
@@ -0,0 +1,114 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:eg="patterns" targetNamespace="patterns">
+
+
+<!-- definition of simple types --> 
+<xs:element name="maxOccurs" type = "xs:int"/> 
+<xs:element name="pargs" type="xs:string"/>
+<xs:element name="absvalue" type="xs:string"/>
+<xs:element name="unit" type="xs:string"/>
+<xs:element name="type" type="xs:string"/>
+<xs:element name="min" type="xs:string"/>
+<xs:element name="max" type="xs:string"/>
+<xs:element name="abs" type="xs:string"/>
+<xs:element name="set" type="xs:string"/>
+<xs:element name="exclude" type="xs:string"/>
+<xs:element name="reuse" type="xs:boolean"/>
+<!-- definition of attributes -->
+
+<!-- definition of complex elements -->
+
+<xs:element name="range">
+  <xs:complexType>
+    <xs:sequence>
+     <xs:element ref="eg:set"/>
+     <xs:element ref="eg:exclude" minOccurs="0"/>
+     <xs:element ref="eg:reuse" minOccurs="0"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+<xs:element name="minmax">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="eg:min"/>
+      <xs:element ref="eg:max"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+
+<xs:element name="random">
+  <xs:complexType>
+    <xs:sequence>
+       <xs:element ref="eg:minmax" minOccurs="0"/>
+       <xs:element ref="eg:range" minOccurs="0"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+<xs:element name="value">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="eg:random" minOccurs="0"/>
+      <xs:element ref="eg:absvalue" minOccurs="0"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+<xs:element name="nodeid">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="eg:value"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+<xs:element name="period">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="eg:absvalue"/>
+      <xs:element ref="eg:unit"/>
+    </xs:sequence>   
+  </xs:complexType>
+</xs:element>    
+
+<xs:element name="delay">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="eg:value"/>
+      <xs:element ref="eg:unit"/>
+    </xs:sequence>   
+  </xs:complexType>
+</xs:element>    
+
+<xs:element name="event">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="eg:type"/>
+      <xs:element ref="eg:nodeid"/>
+      <xs:element ref="eg:pargs"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+ 
+<xs:element name="pattern">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="eg:delay"/>
+      <xs:element ref="eg:maxOccurs" maxOccurs="1" minOccurs="0"/>
+      <xs:element ref="eg:period"/>
+      <xs:element ref="eg:event"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+<xs:element name="patterns">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="eg:pattern" maxOccurs="unbounded"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+</xs:schema>     
diff --git a/asterix-events/src/main/resources/scripts/execute.sh b/asterix-events/src/main/resources/scripts/execute.sh
new file mode 100755
index 0000000..30f6c2f
--- /dev/null
+++ b/asterix-events/src/main/resources/scripts/execute.sh
@@ -0,0 +1,27 @@
+USERNAME=$1
+if [ ! -d $MANAGIX_HOME/logs ];
+then
+   mkdir -p $MANAGIX_HOME/logs
+fi
+LOGDIR=$MANAGIX_HOME/logs
+if [ $DAEMON == "false" ]; then 
+  if [ -z $USERNAME ]
+  then
+    cmd_output=$(ssh $IP_LOCATION "$ENV $SCRIPT $ARGS" 2>&1 >/dev/null) 
+    echo "ssh $IP_LOCATION $ENV $SCRIPT $ARGS" >> $LOGDIR/execute.log
+    echo "$cmd_output"
+  else
+    echo "ssh -l $USERNAME $IP_LOCATION $ENV $SCRIPT $ARGS" >> $LOGDIR/execute.log
+    cmd_output=$(ssh -l $USERNAME $IP_LOCATION "$ENV $SCRIPT $ARGS" 2>&1 >/dev/null) 
+    echo "$cmd_output"
+  fi  
+else 
+  if [ -z $USERNAME ];
+  then
+     echo "ssh $IP_LOCATION $ENV $SCRIPT $ARGS &" >> $LOGDIR/execute.log
+     ssh $IP_LOCATION "$ENV $SCRIPT $ARGS" &
+  else
+     echo "ssh -l $USERNAME $IP_LOCATION $ENV $SCRIPT $ARGS &" >> $LOGDIR/execute.log
+     ssh -l $USERNAME $IP_LOCATION "$ENV $SCRIPT $ARGS" &
+  fi   
+fi
diff --git a/asterix-events/src/main/resources/scripts/prepare.sh b/asterix-events/src/main/resources/scripts/prepare.sh
new file mode 100755
index 0000000..e69de29
--- /dev/null
+++ b/asterix-events/src/main/resources/scripts/prepare.sh