netboot.xyz/boot/centos.ipxe

#!ipxe

# CentOS Operating System
# http://www.centos.org

goto ${menu} ||

:centos
clear osversion
set os CentOS
set ksdevice eth0
iseq ${manufacturer} Xen && set netcfg ip=${netX/ip} netmask=${netX/netmask} gateway=${netX/gateway} dns=${dns} ||
menu ${os} ${arch}
item 7.1.1503 ${os} 7.1
item 7.0.1406 ${os} 7.0
item 6.7 ${os} 6.7
item other Choose other version [o]
isset ${osversion} || choose osversion || goto linux_menu
iseq ${osversion} other || goto centos_skip_read_osversion
echo ${cls}
echo -n Enter version: ${} && read osversion
:centos_skip_read_osversion
set dir ${menu}/${osversion}/os/${arch}
set repo http://${mirror}/${dir}
goto boottype

:boottype
set ova ${os} ${osversion}
menu ${os} ${arch} boot type
item graphical ${ova} graphical installer
item text ${ova} text based installer
item rescue ${ova} rescue
item kickstart ${ova} set kickstart url [ ${ksurl} ]
item kickstart_device ${ova} set ksdevice [ ${ksdevice} ]
isset ${bt} || choose bt || goto centos
echo ${cls}
iseq ${bt} text && goto text ||
iseq ${bt} rescue && goto rescue ||
iseq ${bt} kickstart && goto kickstart ||
iseq ${bt} kickstart_device && goto kickstart_device ||
goto bootos_images

:text
set params text ||
goto bootos_images

:rescue
set params rescue ||
goto bootos_images

:kickstart
echo -n Specify kickstart URL for ${os} ${osversion}: && read ksurl
set params ks=${ksurl} ksdevice=${ksdevice} ||
clear bt
goto boottype

:kickstart_device
echo -n Specify ksdevice param for ${os} ${osversion}: && read ksdevice
set ksdevice ${ksdevice} ||
clear bt
goto boottype

:bootos_images
imgfree
kernel http://${mirror}/${dir}/images/pxeboot/vmlinuz repo=${repo} ${params} ${netcfg}
initrd http://${mirror}/${dir}/images/pxeboot/initrd.img
boot
goto linux_menu

:linux_menu
clear menu
chain linux.ipxe
exit 0