Instalation Script

From vmimagemanager

The begging of the automation of the install script, settign up LVM and the configuration of the vmimagemanager.

DomainName=desy.de
LvmVgName=VolGroup00
HostName=dcache-devil5
#mkdir -p  /server/vmstore/images
#mv master_sl4_i386.tgz /server/vmstore/images/


getMacForHost()
{
  bill=`dig ${1} | grep ^${1} | cut -dA -f 2 `
  forth=`echo $bill | cut -d. -f 4`
  third=`echo $bill | cut -d. -f 3`
  second=`echo $bill | cut -d. -f 2`
  first=`echo $bill | cut -d. -f 1`
  while [ ${#forth} -lt 3 ]
  do
    forth=0${forth}
  done
  while [ ${#third} -lt 3 ]
  do
    third=0${third}
  done
  while [ ${#second} -lt 3 ]
  do
    second=0${second}
  done
  simple=1${second}${third}${forth}
  mac="02"
  while [ ${#simple} -gt 0 ] ; do
    mac=${mac}:`echo $simple | cut -b1-2`
    simple=`echo $simple | cut -b3-`
  done
  RET=$mac
}


for i in `seq -w 0 12`
do
  VmNumber=$i
  lvcreate -L 10G -n ${HostName}-vm${VmNumber}-sys ${LvmVgName}
  lvcreate -L 10G -n ${HostName}-vm${VmNumber}-swap ${LvmVgName}
  mkfs.ext3 /dev/${LvmVgName}/${HostName}-vm${VmNumber}-sys
  mkswap /dev/${LvmVgName}/${HostName}-vm${VmNumber}-swap

  echo "[${HostName}-vm${VmNumber}.${DomainName}]" >> /etc/vmimagemanager/vmimagemanager.cfg
  echo "vm_slot_enabled=on" >> /etc/vmimagemanager/vmimagemanager.cfg
  echo "HostName=${HostName}-vm${VmNumber}.${DomainName}" >> /etc/vmimagemanager/vmimagemanager.cfg
  echo "root=/dev/${LvmVgName}/${HostName}-vm${VmNumber}-sys" >> /etc/vmimagemanager/vmimagemanager.cfg
  echo "swap=/dev/${LvmVgName}/${HostName}-vm${VmNumber}-swap" >> /etc/vmimagemanager/vmimagemanager.cfg
  getMacForHost ${HostName}-vm${VmNumber}.${DomainName}
  echo "mac=$RET" >> /etc/vmimagemanager/vmimagemanager.cfg
  echo "vmimages=/server/vmstore/images" >> /etc/vmimagemanager/vmimagemanager.cfg
  echo >> /etc/vmimagemanager/vmimagemanager.cfg

done



lvcreate -L 30G -n space ${LvmVgName}


mkfs.ext3 /dev/${LvmVgName}/space
echo "/dev/${LvmVgName}/space      /space     ext3    defaults       1 2" >> /dev/fstab
mkdir /space


vmimagemanager.py -b tb011-vm1.desy.de -d


mkinitrd --fstab /mnt/vm/dcache-devil5-vm01.desy.de/etc/fstab \
    --with xenblk --with=xennet --preload xenblk --preload xennet \
    /boot/initrd-2.6.18-128.1.1.el5xen-guest.img 2.6.18-128.1.1.el5xen