Révision 53 trunk/shell/configuration-stop-compute-nodes

configuration-stop-compute-nodes (revision 53)
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#! /bin/bash -x
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#! /bin/bash
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#
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# ST - 2012-07-03
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#
......
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#
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CONFIGURATIONS=`ls $SCRIPT_PATH/$CONST_CONFIGURATIONS_DIR`
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CONFIGURATIONS_STRING="{"
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echo $CONFIGURATIONS
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for i in $CONFIGURATIONS ; do
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  CONFIGURATIONS_STRING="$CONFIGURATIONS_STRING$i|"
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done
......
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#
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if [ "x$1" == "x" ]
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  then
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     echo
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     echo "Missing parameter. Aborting!"
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     echo
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     echo "Usage: $SCRIPT_NAME configuration"
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     echo
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     echo -e "  configuration: one of $CONFIGURATIONS_STRING\b}"
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     exit 1
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    echo
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    echo "Missing parameter. Aborting!"
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    echo
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    echo "Usage: $SCRIPT_NAME configuration"
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    echo
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    echo -e "  configuration: one of $CONFIGURATIONS_STRING\b}"
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    echo
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    echo
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    exit 1
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fi
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#
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# Does the configuration exist?
......
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#
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. $SCRIPT_PATH/$CONST_CONFIGURATIONS_DIR/$CONFIGURATION/c-i-a-b.config.common
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#
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# Start the compute-nodes.
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# Stop the compute-nodes.
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#
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COMPUTE_NODE_INDEX=1
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while [ $COMPUTE_NODE_INDEX -le $COMPUTE_NODE_MAX_INDEX ] ; do
......
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  # Check if the corresponding VM is already running.
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  #
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  IS_RUNNING=`xm list | grep $CURRENT_HOST_NAME`
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  if [ -n "$IS_RUNNING" ] ; then
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    echo
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    echo The \"$CURRENT_HOST_NAME\" domU already exists. Aborting!
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    echo
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  fi
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  #
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  # Get the CPU data.
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  #
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  COMPUTE_NODE_CPUS=`sed -n ${NODE_NUMBER},${NODE_NUMBER}p $SCRIPT_PATH/$CONST_CONFIGURATIONS_DIR/$CONFIGURATION/$COMPUTE_NODE_CPUS_FILE`
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  COMPUTE_NODE_VCPUS_NUM=0
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  COMPUTE_NODE_CPUS_LIST=""
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  for i in $COMPUTE_NODE_CPUS ; do
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    if [ -z $COMPUTE_NODE_CPUS_LIST ] ; then
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      COMPUTE_NODE_CPUS_LIST=$i
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    else
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      COMPUTE_NODE_CPUS_LIST="$COMPUTE_NODE_CPUS_LIST,$i"
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  if [ ! -z "$IS_RUNNING" ] ; then
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    echo "Stopping $CURRENT_HOST_NAME..."
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    #
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    # Stop the virtual machine
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    #
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    xm shutdown $CURRENT_HOST_NAME
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    if [ $? -ne 0 ] ; then
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      ciab_abort_message "Can't stop $CURRENT_HOST_NAME" 1
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    fi
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    COMPUTE_NODE_VCPUS_NUM=$((COMPUTE_NODE_VCPUS_NUM + 1))
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  done
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  #
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  # Check that the configuration file exists.
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  #
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  if [ ! -f $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg ] ; then
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    echo
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    echo
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    echo "No configuration file for \"$CURRENT_HOST_NAME\."
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    echo "Aborting!"
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    echo
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    echo
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    xm list
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    exit 1
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  fi
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  #
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  # Start the virtual machine
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  #
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  xm create $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg
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  #
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  # Wait until the virtual machine has started
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  #
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  IS_RUNNING=""
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  while [ -z "$IS_RUNNING" ]
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    do
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      IS_RUNNING=`xm list | grep $CURRENT_HOST_NAME`
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      sleep 1
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  done # End while
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  #
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  # Pin the VCPUs to "real" CPUs.
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  #
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  VCPU_INDEX=0
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  for i in $COMPUTE_NODE_CPUS_LIST ; do
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    xm vcpu-pin $CURRENT_HOST_NAME $VCPU_INDEX $i
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    VCPU_INDEX=$((VCPU_INDEX + 1))
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  done # End for i
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    #
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    # Wait until the virtual machine has stopped.
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    #
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    IS_RUNNING=""
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    while [ ! -z "$IS_RUNNING" ]
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      do
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        IS_RUNNING=`xm list | grep $CURRENT_HOST_NAME`
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        sleep 1
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    done # End while
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  else
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    echo "$CURRENT_HOST_NAME is already stopped."
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  fi # End if IS_RUNNING.
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  COMPUTE_NODE_INDEX=$((COMPUTE_NODE_INDEX + 1))
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done # End main loop.
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#

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