MAC based Booting PXE: Difference between revisions
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= MAC Based booting = | == MAC Based booting == | ||
Installing with PXE and FAI MAC Address based. | Installing with PXE and FAI MAC Address based. | ||
| Line 5: | Line 5: | ||
With this hooks and some small changes in dhcpd.conf (based on FAI-CD) every computer that boots fai gets a MAC based config file installed in the pxelinux.cfg/ dir. May be in the future a GUI can use/change this information. | With this hooks and some small changes in dhcpd.conf (based on FAI-CD) every computer that boots fai gets a MAC based config file installed in the pxelinux.cfg/ dir. May be in the future a GUI can use/change this information. | ||
== File dhcpd.conf == | === File dhcpd.conf === | ||
<pre> | <pre> | ||
.... | .... | ||
| Line 25: | Line 25: | ||
..... | ..... | ||
== Hook mkboot == | === Hook mkboot === | ||
<pre> | <pre> | ||
#! /bin/bash | #! /bin/bash | ||
| Line 63: | Line 62: | ||
</pre> | </pre> | ||
== Hook chboot.default == | === Hook chboot.default === | ||
<pre> | <pre> | ||
#! /bin/sh | #! /bin/sh | ||
| Line 96: | Line 94: | ||
</pre> | </pre> | ||
== File: /boot/fai/pxelinux.cfg/default == | === File: /boot/fai/pxelinux.cfg/default === | ||
<pre> | <pre> | ||
default sysinfo | default sysinfo | ||
| Line 109: | Line 107: | ||
</pre> | </pre> | ||
== File: /boot/fai/pxelinux.cfg/local == | === File: /boot/fai/pxelinux.cfg/local === | ||
<pre> | <pre> | ||
default local | default local | ||
| Line 121: | Line 119: | ||
</pre> | </pre> | ||
== File: /boot/fai/pxelinux.cfg/demohost == | === File: /boot/fai/pxelinux.cfg/demohost === | ||
<pre> | <pre> | ||
default demohost | default demohost | ||
| Line 135: | Line 133: | ||
</pre> | </pre> | ||
== File: /boot/fai/pxelinux.cfg/sysinfo == | === File: /boot/fai/pxelinux.cfg/sysinfo === | ||
<pre> | <pre> | ||
default sysinfo | default sysinfo | ||
| Line 148: | Line 145: | ||
append ip=dhcp devfs=nomount FAI_ACTION=mkboot root=/dev/nfs nfsroot=/usr/lib/fai/nfsroot,v2,rsize=32768,wsize=32768 FAI_FLAGS=verbose,sshd,createvt,reboot | append ip=dhcp devfs=nomount FAI_ACTION=mkboot root=/dev/nfs nfsroot=/usr/lib/fai/nfsroot,v2,rsize=32768,wsize=32768 FAI_FLAGS=verbose,sshd,createvt,reboot | ||
</pre> | </pre> | ||
[[Category:Howto]] | |||
Latest revision as of 08:20, 4 October 2010
MAC Based booting
Installing with PXE and FAI MAC Address based.
With this hooks and some small changes in dhcpd.conf (based on FAI-CD) every computer that boots fai gets a MAC based config file installed in the pxelinux.cfg/ dir. May be in the future a GUI can use/change this information.
File dhcpd.conf
....
# deny unknown-clients
....
subnet 192.168.1.0 netmask 255.255.255.0
{
range 192.168.1.200 192.168.1.249;
....
If you press <shift> key during pxe booting you can get a prompt.
Possible commands are:
mkboot HOST=local mkboot HOST=remove ..... mkboot HOST=demohost .....
Hook mkboot
#! /bin/bash
# hook mkboot for fai.
# If you start this script on a fai client it copy, create or delete a pxe bootfile. It use the ethernet mac
# address of the fai client.
cd /tmp
TFTPCONFDIR="/boot/fai/pxelinux.cfg"
SSHUSER=fai
TFTPSERVER=faiserver
HOSTNAME="default"
if [ "$HOST" != "" ]; then HOSTNAME=$HOST; fi ;
BOOTMAC=`/sbin/ifconfig "$netdevices_up" |grep HWaddr|cut -d " " -f11|tr ':' '-'|tr '[:upper:]' '[:lower:]'`
BOOTMAC="01-"$BOOTMAC
echo Next Boot will boot or install: $HOSTNAME on $BOOTMAC.
echo "!!! OK - Press ctrl-c to interrupt FAI and to get a shell"
case $HOSTNAME in
disable)
ssh $SSHUSER@$TFTPSERVER "mv $TFTPCONFDIR/$BOOTMAC $TFTPCONFDIR/$BOOTMAC\.disable" ;;
local)
ssh $SSHUSER@$TFTPSERVER "mv $TFTPCONFDIR/$BOOTMAC $TFTPCONFDIR/$BOOTMAC\.disable ; cp $TFTPCONFDIR/local $TFTPCONFDIR/$BOOTMAC " ;;
enable)
ssh $SSHUSER@$TFTPSERVER "mv $TFTPCONFDIR/$BOOTMAC\.disable $TFTPCONFDIR/$BOOTMAC" ;;
remove)
ssh $SSHUSER@$TFTPSERVER "rm $TFTPCONFDIR/$BOOTMAC" ;;
*)
ssh $SSHUSER@$TFTPSERVER "cp $TFTPCONFDIR/$HOSTNAME $TFTPCONFDIR/$BOOTMAC" ;;
esac
task_faiend
# End of mkboot
Hook chboot.default
#! /bin/sh
# hook for fai. Set boot to local
set -xv
SCRIPTNAME=`basename $0`
skiptask=`echo $SCRIPTNAME | sed "s/\..*$//"`
cd /tmp
TFTPCONFDIR="/boot/fai/pxelinux.cfg"
SSHUSER=fai
TFTPSERVER=faiserver
HOSTNAME="local"
BOOTMAC=`/sbin/ifconfig "$netdevices_up" |grep HWaddr|cut -d " " -f11|tr ':' '-'|tr '[:upper:]' '[:lower:]'`
BOOTMAC="01-"$BOOTMAC
echo Next Boot will boot or install: $HOSTNAME on $BOOTMAC.
case $HOSTNAME in
local)
ssh $SSHUSER@$TFTPSERVER "mv $TFTPCONFDIR/$BOOTMAC $TFTPCONFDIR/$BOOTMAC\.disable ; cp $TFTPCONFDIR/local $TFTPCONFDIR/$BOOTMAC " ;;
*)
ssh $SSHUSER@$TFTPSERVER "cp $TFTPCONFDIR/$HOSTNAME $TFTPCONFDIR/$BOOTMAC" ;;
esac
skiptask $skiptask
# End of hook chboot.DEFAULT
File: /boot/fai/pxelinux.cfg/default
default sysinfo label sysinfo kernel vmlinuz-install append ip=dhcp devfs=nomount FAI_ACTION=mkboot HOST=sysinfo root=/dev/nfs nfsroot=/usr/lib/fai/nfsroot,v2,rsize=32768,wsize=32768 FAI_FLAGS=verbose,sshd,createvt,reboot label mkboot kernel vmlinuz-install append ip=dhcp devfs=nomount FAI_ACTION=mkboot root=/dev/nfs nfsroot=/usr/lib/fai/nfsroot,v2,rsize=32768,wsize=32768 FAI_FLAGS=verbose,sshd,createvt,reboot
File: /boot/fai/pxelinux.cfg/local
default local label local localboot 0 label mkboot kernel vmlinuz-install append ip=dhcp devfs=nomount FAI_ACTION=mkboot root=/dev/nfs nfsroot=/usr/lib/fai/nfsroot,v2,rsize=32768,wsize=32768 FAI_FLAGS=verbose,sshd,createvt,reboot
File: /boot/fai/pxelinux.cfg/demohost
default demohost label demohost kernel vmlinuz-install append ip=dhcp devfs=nomount FAI_ACTION=install HOST=demohost root=/dev/nfs nfsroot=/usr/lib/fai/nfsroot,v2,rsize=32768,wsize=32768 FAI_FLAGS=verbose,sshd,createvt label mkboot kernel vmlinuz-install append ip=dhcp devfs=nomount FAI_ACTION=mkboot root=/dev/nfs nfsroot=/usr/lib/fai/nfsroot,v2,rsize=32768,wsize=32768 FAI_FLAGS=verbose,sshd,createvt,reboot
File: /boot/fai/pxelinux.cfg/sysinfo
default sysinfo label sysinfo kernel vmlinuz-install append ip=dhcp devfs=nomount FAI_ACTION=sysinfo root=/dev/nfs nfsroot=/usr/lib/fai/nfsroot,v2,rsize=32768,wsize=32768 FAI_FLAGS=verbose,sshd,createvt label mkboot kernel vmlinuz-install append ip=dhcp devfs=nomount FAI_ACTION=mkboot root=/dev/nfs nfsroot=/usr/lib/fai/nfsroot,v2,rsize=32768,wsize=32768 FAI_FLAGS=verbose,sshd,createvt,reboot