scripts/Create-FAI

   1 #!/bin/bash
   2 #
   3 # author: hackbard@hackdaworld.dyndns.org
   4 #
   5 # script creating a minimal system nfsroot for automated installation of hdw
   6 #
   7
   8 fairoot="$1"
   9 myip="`ifconfig eth0 | grep inet\ addr | awk '{ print $2 }' | awk -F: '{ print $2 }'`"
  10 home_dir=$PWD
  11
  12 usage() {
  13         echo
  14         echo "usage:"
  15         echo "$0 <fai-root>"
  16         echo
  17         exit
  18         }
  19
  20 [ "$#" != "1" ] && usage
  21 [ ! -d $fairoot ] && usage
  22
  23 echo "reading config ..."
  24 if [ ! -f ./Config ] ; then
  25         echo "config file not found, aborting"
  26         exit
  27 fi
  28 . ./Config
  29
  30 if [ ! -f ./fai/nfsroot-packages ] ; then
  31         echo "storing $hdw_target as original target"
  32         hdw_orig_target=$hdw_target
  33
  34         echo "pretending default target for nfsroot install now"
  35         export hdw_target=default
  36         echo "hdw_target=default # FAI_WAS_HERE" >> Config # dirty!
  37
  38         ./scripts/Helper -create_dist_files
  39
  40         export hdw_target=$hdw_orig_target
  41         grep -v '# FAI_WAS_HERE' Config > tmp~
  42         mv tmp~ Config
  43         echo "orig target restored to $hdw_target"
  44
  45         cp ./distro/default ./fai/nfsroot-packages
  46
  47         echo "deleting some packages from list now"
  48         del="linux-libc-headers man-pages binutils gcc m4 autoconf automake"
  49         del="$del man make patch bin86 nasm lilo cvs"
  50         del="$del bootdisk" # just by now - may contain kernel image later
  51         for package in $del; do
  52                 grep -v ^$package ./fai/nfsroot-packages > ./fai/tmp~
  53                 mv ./fai/tmp~ ./fai/nfsroot-packages
  54         done
  55         echo "adding needed packages to list now"
  56         echo "portmap" >> ./fai/nfsroot-packages
  57         [ "$hdw_arch" = "ia32" ] && echo "lilo" >> ./fai/nfsroot-packages
  58 fi
  59
  60 if [ ! -f $fairoot/packages_installed ] ; then
  61         echo "creating nfsroot..."
  62         chmod 755 ./misc/hdw-tools/hdw-get
  63         ./misc/hdw-tools/hdw-get dist-install $fairoot ./fai/nfsroot-packages
  64         touch $fairoot/packages_installed
  65         echo "done"
  66 else
  67         echo "nfsroot seems to be available already"
  68         echo "(del $fairoot/packages_installed to recreate it)"
  69 fi
  70
  71 if [ ! -f $fairoot/prepared_nfsroot ] ; then
  72         echo "preparing nfsroot for automated install routine ..."
  73         cd $fairoot
  74         # special files (null & console)
  75         [ ! -c dev/null ] && mknod -m 0666 dev/null c 1 3
  76         [ ! -c dev/console ] && mknod -m 0600 dev/console c 5 1
  77         # fstab
  78         cp $home_dir/misc/sysfiles/etc/fstab ./etc
  79         # the target directory
  80         mkdir -p ./trg
  81         # dir for mounting fai config
  82         mkdir -p fai
  83         # removing some services
  84         for i in sysklogd network inetd nscd; do
  85                 rm -f etc/init.d/rc2.d/*${i}
  86         done
  87         # modified inittab, rc and bootscript
  88         sed "s%| /sbin/btee .*%%g" $home_dir/misc/sysfiles/etc/inittab > \
  89                 etc/inittab
  90         cp $home_dir/misc/fai/fai_boot ./etc/init.d/boot
  91         sed "s%^FAI_MOUNT_LINE%mount -tnfs $myip:/$home_dir/fai /fai%" \
  92                 $home_dir/misc/fai/fai_rc > etc/init.d/rc
  93         chmod 755 etc/init.d/rc
  94         # modify hdw-get.conf
  95         sed "s%hdw_arch_opt=.*%hdw_arch_opt=$hdw_arch_opt%" etc/hdw-get.conf > \
  96                 tmp~
  97         mv tmp~ etc/hdw-get.conf
  98         # get to home_dir again
  99         cd $home_dir
 100         echo "done"
 101         touch $fairoot/prepared_nfsroot
 102 else
 103         echo "nfsroot seems to be prepared already"
 104         echo "(del $fairoot/prepared_nfsroot to recreate it)"
 105 fi
 106
 107 echo "checking pxe/nfs environment ..."
 108 mkdir -p /tftpboot
 109 cp $fairoot/boot/vmlinuz_hdw /tftpboot
 110 if [ ! -f /tftpboot/pxelinux.0 ] ; then
 111         if [ ! -f /usr/lib/syslinux/pxelinux.0 ] ; then
 112                 echo "pxelinux (syslinux) not found, fix this manually now :p"
 113         fi
 114         cp /usr/lib/syslinux/pxelinux.0 /tftpboot
 115 fi
 116 mkdir -p /tftpboot/pxelinux.cfg
 117 cat > /tftpboot/pxelinux.cfg/fai << EOF
 118 PROMPT 1
 119 DEFAULT disk
 120 TIMEOUT 200
 121
 122 LABEL fai
 123         KERNEL vmlinuz_hdw
 124         APPEND root=/dev/nfs nfsroot=$myip:$fairoot ip=dhcp
 125
 126 LABEL disk
 127         LOCALBOOT 0
 128 EOF
 129 echo -e "$fairoot\tfoobar(async,ro,no_root_squash)" >> /etc/exports
 130 echo -e "$home_dir/fai\tfoobar(async,ro,no_root_squash)" >> /etc/exports
 131
 132 echo "everything should work now. now do the following:"
 133 echo "1) edit /etc/exports to allow your clients to mount the nfsroot"
 134 echo "2) link the ipaddr in hex of the client to fai in pxe config dir"
 135 echo "3) tell your dhcpd (see syslinux docs for more help)"
 136 echo "4) make sure inetd/nfs/dhcpd are up running"
 137 echo "5) do the configuration stuff (see doc/FAI)"
 138 echo
 139 echo "note: tftp must support tsize option (use e.g. tftp-hpa package)"
 140 echo
 141
 142 echo "done"