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[archiso] Split archiso_pxe_nbd in two hooks.

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One hook only setup the network device (archiso_pxe_common) the other
setup the NBD client (archiso_pxe_nbd).

New bootparam:
    archiso_pxe_srv=IP
        Allow to set an IP different from the PXE server.

Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>
This commit is contained in:
Gerardo Exequiel Pozzi 2011-11-28 12:28:03 -03:00
parent 40965461a4
commit 1edaf15cef
8 changed files with 81 additions and 49 deletions
Download patch file Download diff file Expand all files Collapse all files

4
archiso/Makefile
View file

@ -16,6 +16,8 @@ install-hooks:
install -D -m 644 hooks/archiso_shutdown $(DESTDIR)/lib/initcpio/hooks/archiso_shutdown
install -D -m 644 install/archiso_shutdown $(DESTDIR)/lib/initcpio/install/archiso_shutdown
install -D -m 644 archiso_pxe_nbd $(DESTDIR)/lib/initcpio/archiso_pxe_nbd
install -D -m 644 hooks/archiso_pxe_common $(DESTDIR)/lib/initcpio/hooks/archiso_pxe_common
install -D -m 644 install/archiso_pxe_common $(DESTDIR)/lib/initcpio/install/archiso_pxe_common
install -D -m 644 hooks/archiso_pxe_nbd $(DESTDIR)/lib/initcpio/hooks/archiso_pxe_nbd
install -D -m 644 install/archiso_pxe_nbd $(DESTDIR)/lib/initcpio/install/archiso_pxe_nbd
install -D -m 644 hooks/archiso_loop_mnt $(DESTDIR)/lib/initcpio/hooks/archiso_loop_mnt
@ -39,6 +41,8 @@ uninstall:
rm -f $(DESTDIR)/lib/initcpio/hooks/archiso_shutdown
rm -f $(DESTDIR)/lib/initcpio/install/archiso_shutdown
rm -f $(DESTDIR)/lib/initcpio/archiso_pxe_nbd
rm -f $(DESTDIR)/lib/initcpio/hooks/archiso_pxe_common
rm -f $(DESTDIR)/lib/initcpio/install/archiso_pxe_common
rm -f $(DESTDIR)/lib/initcpio/hooks/archiso_pxe_nbd
rm -f $(DESTDIR)/lib/initcpio/install/archiso_pxe_nbd
rm -f $(DESTDIR)/lib/initcpio/hooks/archiso_loop_mnt

34
archiso/hooks/archiso_pxe_common Normal file
View file

@ -0,0 +1,34 @@
# vim: set ft=sh:
run_hook () {
local i net_mac bootif_mac bootif_dev
# These variables will be parsed from /tmp/net-*.conf generated by ipconfig
local DEVICE
local IPV4ADDR IPV4BROADCAST IPV4NETMASK IPV4GATEWAY IPV4DNS0 IPV4DNS1
local HOSTNAME DNSDOMAIN NISDOMAIN ROOTSERVER ROOTPATH
local filename
# /tmp/net-*.conf
if [[ -n "${ip}" ]]; then
if [[ -n "${BOOTIF}" ]]; then
bootif_mac=${BOOTIF#01-}
bootif_mac=${bootif_mac//-/:}
for i in /sys/class/net/*/address; do
read net_mac < ${i}
if [[ "${bootif_mac}" == "${net_mac}" ]]; then
bootif_dev=${i#/sys/class/net/}
bootif_dev=${bootif_dev%/address}
break
fi
done
ip="${ip}::${bootif_dev}"
fi
# setup network and save some values
ipconfig "ip=${ip}"
. /tmp/net-*.conf
pxeserver=${ROOTSERVER}
fi
}

45
archiso/hooks/archiso_pxe_nbd
View file

@ -1,36 +1,9 @@
# vim: set ft=sh:
run_hook () {
local line i net_mac bootif_mac bootif_dev
# These variables will be parsed from /tmp/net-*.conf generated by ipconfig
local DEVICE
local IPV4ADDR IPV4BROADCAST IPV4NETMASK IPV4GATEWAY IPV4DNS0 IPV4DNS1
local HOSTNAME DNSDOMAIN NISDOMAIN ROOTSERVER ROOTPATH
local filename
# /tmp/net-*.conf
if [ -n "${ip}" ]; then
if [ -n "${BOOTIF}" ]; then
bootif_mac=${BOOTIF#01-}
bootif_mac=${bootif_mac//-/:}
for i in /sys/class/net/*/address; do
read net_mac < ${i}
if [ "${bootif_mac}" == "${net_mac}" ]; then
bootif_dev=${i#/sys/class/net/}
bootif_dev=${bootif_dev%/address}
break
fi
done
ip="${ip}::${bootif_dev}"
fi
# setup network and save some values
ipconfig "ip=${ip}"
. /tmp/net-*.conf
nbdserver=${ROOTSERVER}
run_hook() {
if [[ -n "${ip}" ]]; then
[[ -z "${archiso_nbd_name}" ]] && archiso_nbd_name="archiso"
[[ -z "${archiso_nbd_srv}" ]] && archiso_nbd_srv="${pxeserver}"
mount_handler="archiso_pxe_nbd_mount_handler"
fi
@ -49,19 +22,19 @@ archiso_pxe_nbd_mount_handler () {
launch_interactive_shell
done
msg "::: Setup NBD from ${nbdserver} at /dev/nbd0"
if [ "${copytoram}" = "y" ]; then
nbd-client ${nbdserver} -N ${archiso_nbd_name} /dev/nbd0
msg ":: Setup NBD from ${archiso_nbd_srv} at /dev/nbd0"
if [[ "${copytoram}" = "y" ]]; then
nbd-client ${archiso_nbd_srv} -N ${archiso_nbd_name} /dev/nbd0
else
nbd-client ${nbdserver} -N ${archiso_nbd_name} /dev/nbd0 -persist
nbd-client ${archiso_nbd_srv} -N ${archiso_nbd_name} /dev/nbd0 -persist
fi
archisodevice=/dev/nbd0
archiso_mount_handler ${newroot}
if [ "${copytoram}" = "y" ]; then
msg "::: Disconnect NBD from ${nbdserver} at /dev/nbd0"
if [[ "${copytoram}" = "y" ]]; then
msg ":: Disconnect NBD from ${archiso_nbd_srv} at /dev/nbd0"
nbd-client -d /dev/nbd0
else
mkdir -p /run/archiso

24
archiso/install/archiso_pxe_common Normal file
View file

@ -0,0 +1,24 @@
# vim: set ft=sh:
build ()
{
MODULES="${MODULES} $(comm -2 -3 <(checked_modules "/drivers/net/" | sort) \
<(find $MODULEDIR/kernel/drivers/net/{irda,phy,wimax,wireless} \
-name '*.ko*' \
-exec bash -c 'printf "%s\n" "${@%%.ko*}" | sed "s@.*/@@;s@-@_@" | sort' _ {} +) \
| grep -v -e 'ppp_' -e 'plip' -e 'pppoe')"
BINARIES=""
FILES=""
SCRIPT="archiso_pxe_common"
add_dir /tmp
add_binary "/lib/initcpio/ipconfig" "/bin/ipconfig"
}
help ()
{
cat<<HELPEOF
This hook loads the necessary modules for boot via PXE.
HELPEOF
}

9
archiso/install/archiso_pxe_nbd
View file

@ -3,20 +3,11 @@
build ()
{
MODULES="nbd"
MODULES="${MODULES} $(comm -2 -3 <(checked_modules "/drivers/net/" | sort) \
<(find $MODULEDIR/kernel/drivers/net/{irda,phy,wimax,wireless} \
-name '*.ko*' \
-exec bash -c 'printf "%s\n" "${@%%.ko*}" | sed "s@.*/@@;s@-@_@" | sort' _ {} +) \
| grep -v -e 'ppp_' -e 'plip' -e 'pppoe')"
BINARIES=""
FILES=""
SCRIPT="archiso_pxe_nbd"
add_dir /tmp
add_binary "/usr/sbin/nbd-client" "/bin/nbd-client"
add_binary "/lib/initcpio/ipconfig" "/bin/ipconfig"
add_file "/lib/initcpio/archiso_pxe_nbd" "/archiso_pxe_nbd"
}