Laboratoire de l'Informatique et du Parallélisme » CIAB

#! /bin/bash -x

#

# ST - 2012-05-25

#

# Finish up the front end installation.

#

# Get the directory of the script.

SCRIPT_PATH=`dirname $0`

# Get the script name.

SCRIPT_NAME=`basename $0`

# Source the common configuration variables.

. $SCRIPT_PATH/c-i-a-b.common

CURRENT_HOST_NAME=$FRONT_END_HOST_NAME

#

# Get the cluster MAC address

#

FRONT_END_CLUSTER_MAC_ADDRESS=\

`awk -F, -v INDEX=$CONST_FRONT_END_CLUSTER_STATIC_NETWORK_POSTFIX '{if (FNR==INDEX) {print $1}}' $SCRIPT_PATH/$TEMPLATES_DIR$CURRENT_PATH/$CONST_DHCP_HOSTS_FILE_BASENAME`

#

#

# Create the Xen configuration file from a template

#

CURRENT_PATH=/etc/xen

cp templates$CURRENT_PATH/$CONST_FRONT_END_XEN_TEMPLATE_NAME \

   $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

rpl Template Configuration $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

rpl __FRONT_END_KERNEL__ $COMPUTE_NODE_KERNEL \

   $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

rpl __FRONT_END_RAMDISK__ $FRONT_END_RAMDISK \

   $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

rpl __FRONT_END_VCPUS_NUM__ $FRONT_END_VCPUS_NUM \

   $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

CPUS_LIST=$FRONT_END_CPUS_LIST

CPUS=""

for i in $CPUS_LIST

  do

    if [ "x$CPUS" == "x" ]

      then

        CPUS=$i

      else

        CPUS="$CPUS,$i"

    fi

done

rpl __FRONT_END_CPUS__ $CPUS \

   $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

# Memory

rpl __FRONT_END_MEMORY__ $FRONT_END_MEMORY \

   $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

# Root device

rpl __XEN_SYSTEM_DISK_ROOT_DEVICE_STANZA__ "$CONST_XEN_SYSTEM_DISK_ROOT_DEVICE_STANZA" \

   $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

#

# System disk stuff

FRONT_END_SYSTEM_DISK_STANZA="'phy:${FRONT_END_SYSTEM_VOLUME_GROUP_DEVICE}/${FRONT_END_SYSTEM_DISK},$FRONT_END_SYSTEM_VIRTUAL_VOLUME,w'"

rpl __FRONT_END_SYSTEM_DISK_STANZA__ "$FRONT_END_SYSTEM_DISK_STANZA" \

   $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

# Home disk stuff

FRONT_END_HOME_DISK_STANZA="'phy:${FRONT_END_HOME_VOLUME_GROUP_DEVICE}/${FRONT_END_HOME_DISK},$FRONT_END_HOME_VIRTUAL_VOLUME,w'"

rpl __FRONT_END_HOME_DISK_STANZA__ "$FRONT_END_HOME_DISK_STANZA" \

   $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

# Swap disk stuff.

if [ "x$FRONT_END_SWAP_DISK_SIZE" != "x$CONST_NULL_DISK_SIZE" ] ; then

  FRONT_END_SWAP_DISK_STANZA="'phy:${FRONT_END_SWAP_VOLUME_GROUP_DEVICE}/${FRONT_END_SWAP_DISK},$FRONT_END_SWAP_VIRTUAL_VOLUME,w'"

  rpl __FRONT_END_SWAP_DISK_STANZA__ $FRONT_END_SWAP_DISK_STANZA \

     $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

  # Comment out the noswap stanza.

  rpl __FRONT_END_NOSWAP__ "#$CLUSTER_NOSWAP" \

     $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

else

  echo y | rpl -f __FRONT_END_SWAP_DISK_STANZA__ "" \

     $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

  rpl __FRONT_END_NOSWAP__ $CLUSTER_NOSWAP \

     $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

fi

#

rpl __FRONT_END_HOST_NAME__ $CURRENT_HOST_NAME \

   $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

# Vif stuff.

VIF_STANZA=$CONST_XEN_VIF_STANZA_PREFIX

EXTERNAL_MAC="${CONST_XEN_MAC_PREFIX}${FRONT_END_EXTERNAL_MAC_ADDRESS}"

INTERNAL_MAC="${CONST_XEN_MAC_PREFIX}${FRONT_END_CLUSTER_MAC_ADDRESS}"

INTERNAL_BRIDGE="${CONST_XEN_BRIDGE_PREFIX}${CLUSTER_BRIDGE_NAME}"

INTERNAL_IP="${CONST_XEN_IP_PREFIX}${FRONT_END_CLUSTER_STATIC_IP}"

if [ $CLUSTER_EXTERNAL_ADDRESSES_BY_DHCP -eq 1 ] ;then

  rpl __XEN_DHCP_STANZA__ "$CONST_XEN_DHCP_STANZA" \

     $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

  VIF_STANZA=${VIF_STANZA}${EXTERNAL_MAC}"','"${INTERNAL_IP}","${INTERNAL_MAC}","${INTERNAL_BRIDGE}${CONST_XEN_VIF_STANZA_POSTFIX}

else

  # Comment out the DHCP_STANZA.

  rpl __XEN_DHCP_STANZA__ "#$CONST_XEN_DHCP_STANZA" \

     $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

  VIF_STANZA=${VIF_STANZA}${EXTERNAL_IP}","${EXTERNAL_MAC}",'"${INTERNAL_IP}","${INTERNAL_MAC},${INTERNAL_BRIDGE}${CONST_XEN_VIF_STANZA_POSTFIX}

fi

# In any case, write the VIF_STANZA

rpl __VIF_STANZA__ "$VIF_STANZA" \

   $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

# End creation of Xen configuration file.

#

# Complet installation

#

# Modules stuff.

#

#  Create the directory on the new image, if it does not exit yet.

if [ ! -d $FRONT_END_FILE_SYSTEM_MOUNT_POINT/lib/modules ] ; then

  mkdir $FRONT_END_FILE_SYSTEM_MOUNT_POINT/lib/modules

fi

#

#  Copy the modules

#

XEN_MODULES_DIRECTORY=`ls /lib/modules | grep xen `

for i in $XEN_MODULES_DIRECTORY ; do

  cp -a /lib/modules/$i $FRONT_END_FILE_SYSTEM_MOUNT_POINT/lib/modules

done

#

# Module stuff done.

#

# Generate or configure the specific files from templates

#

# Create the /etc directory, if necessary

if [ ! -d $FRONT_END_FILE_SYSTEM_MOUNT_POINT/etc ] ; then

  mkdir $FRONT_END_FILE_SYSTEM_MOUNT_POINT/etc

fi

# Copy the sources list

if [ ! -d $FRONT_END_FILE_SYSTEM_MOUNT_POINT/etc/apt ] ; then

  mkdir $FRONT_END_FILE_SYSTEM_MOUNT_POINT/etc/apt

fi

cp /etc/apt/sources.list $FRONT_END_FILE_SYSTEM_MOUNT_POINT/etc/apt

# /etc/network/interfaces

# The first interface is DHCP configured.

# No '/' between $FRONT_END_FILE_SYSTEM_MOUNT_POINT and $CURRENT_PATH

CURRENT_PATH=/etc/network

if [ ! -d ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH} ] ; then

  mkdir ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}

fi

cp templates$CURRENT_PATH/$FRONT_END_INTERFACES_TEMPLATE \

   $FRONT_END_FILE_SYSTEM_MOUNT_POINT$CURRENT_PATH/interfaces

if [ $CLUSTER_EXTERNAL_ADDRESSES_BY_DHCP -eq 1 ] ; then

  ETH0_STANZA="iface eth0 inet dhcp"

  rpl __ETH0_STATIC_OR_DHCP__ "$ETH0_STANZA"  \

      ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/interfaces

  echo y | rpl __ETH0_STATIC_ADDRESS__ "" \

      ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/interfaces

  echo y | rpl __ETH0_STATIC_NETMASK__ "" \

      ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/interfaces

  echo y | rpl __ETH0_STATIC_NETWORK__ "" \

      ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/interfaces

  echo y | rpl __ETH0_STATIC_GATEWAY__ "" \

      ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/interfaces

  echo y | rpl __ETH0_STATIC_BROADCAST__ "" \

      ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/interfaces

  echo y | rpl __ETH0_STATIC_NAMESERVERS__ "" \

      ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/interfaces

  echo y | rpl __ETH0_STATIC_DNS_SEARCH__ "" \

      ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/interfaces

else

  ETH0_STANZA="iface eth0 inet static"

  rpl __ETH0_STATIC_OR_DHCP__ "$ETH0_STANZA"  \

      ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/interfaces

  echo y | rpl __ETH0_STATIC_ADDRESS__ "$FRONT_END_CLUSTER_STATIC_IP" \

      ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/interfaces

  echo y | rpl __ETH0_STATIC_NETMASK__ "$FRONT_END_EXTERNAL_INTERFACE_STATIC_NETMASK" \

      ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/interfaces

  echo y | rpl __ETH0_STATIC_NETWORK__ "$FRONT_END_EXTERNAL_INTERFACE_STATIC_NETWORK" \

      ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/interfaces

  echo y | rpl __ETH0_STATIC_GATEWAY__ "$FRONT_END_EXTERNAL_INTERFACE_STATIC_GATEWAY" \

      ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/interfaces

  echo y | rpl __ETH0_STATIC_BROADCAST__ "$FRONT_END_EXTERNAL_INTERFACE_STATIC_BROADCAST" \

      ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/interfaces

  echo y | rpl __ETH0_STATIC_NAMESERVERS__ "$FRONT_END_EXTERNAL_INTERFACE_STATIC_DNS_NAMESERVERS" \

      ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/interfaces

  echo y | rpl __ETH0_STATIC_DNS_SEARCH__ "$FRONT_END_EXTERNAL_INTERFACE_STATIC_DNS_SEARCH" \

      ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/interfaces

fi

# Static address on the cluster interface.

ADDRESS="${CLUSTER_STATIC_NETWORK_PREFIX}.${CONST_FRONT_END_CLUSTER_STATIC_NETWORK_POSTFIX}"

rpl __ETH1_STATIC_ADDRESS__ $ADDRESS  \

    ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/interfaces

rpl __ETH1_STATIC_NETMASK__ $CLUSTER_STATIC_NETMASK  \

    ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/interfaces

# /etc/hostname

CURRENT_PATH=/etc

echo $CURRENT_HOST_NAME > "${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/hostname"

# /etc/hosts. Script generated.

CURRENT_PATH=/etc

$SCRIPT_PATH/generate-hosts-file \

  ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/hosts

# /etc/resolv.conf

CURRENT_PATH=/etc

cp $TEMPLATES_DIR$CURRENT_PATH/resolv.conf \

   ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/resolv.conf

rpl __CLUSTER_DOMAIN_NAME__ "${CLUSTER_DOMAIN_NAME}." \

   ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/resolv.conf

rpl __FRONT_END_STATIC_ADDRESS__ "${CLUSTER_STATIC_NETWORK_PREFIX}.${CONST_FRONT_END_CLUSTER_STATIC_NETWORK_POSTFIX}" \

   ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/resolv.conf

#

# /etc/fstab

#

CURRENT_PATH=/etc

cp ${TEMPLATES_DIR}${CURRENT_PATH}/${FRONT_END_FSTAB_TEMPLATE} \

  ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/fstab

  # Front-End System Disk Line

FESDL=${FRONT_END_SYSTEM_VIRTUAL_VOLUME_DEVICE}

FESDL="$FESDL	/		$FRONT_END_SYSTEM_DISK_FILE_SYSTEM	errors=remount-ro	0	1"

rpl __FRONT_END_SYSTEM_DISK_LINE__ "$FESDL" \

  ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/fstab

  # Font-End Home Disk Line

FEHDL=${FRONT_END_HOME_VIRTUAL_VOLUME_DEVICE}

FEHDL="$FEHDL	/home		$FRONT_END_HOME_DISK_FILE_SYSTEM	errors=remount-ro	0	2"

rpl __FRONT_END_HOME_DISK_LINE__ "$FEHDL" \

  ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/fstab

  # Font-End Swap Disk Line

if [ "x$FRONT_END_SWAP_DISK_SIZE" != "x$CONST_NULL_DISK_SIZE" ] ; then

  FESDL=${FRONT_END_SWAP_VIRTUAL_VOLUME_DEVICE}

  FESDL="$FESDL	none		swap				0	0"

else

  FESDL=""

fi

# "rpl -f" since $FESDL can be an empty string.

rpl -f __FRONT_END_SWAP_DISK_LINE__ "$FESDL" \

  ${FRONT_END_FILE_SYSTEM_MOUNT_POINT}${CURRENT_PATH}/fstab

#

# Umount the compute node system disk

#

# Order matters since the /home file system is mounted on the

# on the system partition

umount $FRONT_END_FILE_SYSTEM_MOUNT_POINT/home

umount $FRONT_END_FILE_SYSTEM_MOUNT_POINT

#

# Start the virtual machine

#

xm create $CONST_XEN_CONFIG_DIR/$CURRENT_HOST_NAME.cfg

#

exit 0

#

# Wait until the virtual machine has started

#

IS_RUNNING=""

while [ -z "$IS_RUNNING" ]

  do

    IS_RUNNING=`xm list | grep $CURRENT_HOST_NAME`

    sleep 1

done

#

# Pin the VCPUs to "real" CPUs.

#

VCPU_NUM=0

for i in $CPUS_LIST

  do

    xm vcpu-pin $CURRENT_HOST_NAME $VCPU_NUM $i

    VCPU_NUM=$((VCPU_NUM + 1))

done

exit 0