Verified Commit 75d36d21 authored by David Runge's avatar David Runge
Browse files

Remove mkinitcpio-archiso files

archiso/initcpio/*:
Remove mkinitcpio-archiso scripts as they have been split out into a separate project.

docs/README.{altbootmethods,bootparams}:
Remove mkinitcpio-archiso specific documentation.
parent a4691b8e
#!/bin/ash
#
# SPDX-License-Identifier: GPL-3.0-or-later
# args: source, newroot, mountpoint
_mnt_dmsnapshot() {
local img="${1}"
local newroot="${2}"
local mnt="${3}"
local img_fullname="${img##*/}";
local img_name="${img_fullname%%.*}"
local dm_snap_name="${dm_snap_prefix}_${img_name}"
local ro_dev ro_dev_size rw_dev
ro_dev="$(losetup --find --show --read-only -- "${img}")"
echo "${ro_dev}" >> /run/archiso/used_block_devices
ro_dev_size="$(blockdev --getsz "${ro_dev}")"
if [ "${cow_persistent}" = "P" ]; then
if [ -f "/run/archiso/cowspace/${cow_directory}/${img_name}.cow" ]; then
msg ":: Found '/run/archiso/cowspace/${cow_directory}/${img_name}.cow', using as persistent."
else
msg ":: Creating '/run/archiso/cowspace/${cow_directory}/${img_name}.cow' as persistent."
truncate -s "${cow_spacesize}" "/run/archiso/cowspace/${cow_directory}/${img_name}.cow"
fi
else
if [ -f "/run/archiso/cowspace/${cow_directory}/${img_name}.cow" ]; then
msg ":: Found '/run/archiso/cowspace/${cow_directory}/${img_name}.cow' but non-persistent requested, removing."
rm -f "/run/archiso/cowspace/${cow_directory}/${img_name}.cow"
fi
msg ":: Creating '/run/archiso/cowspace/${cow_directory}/${img_name}.cow' as non-persistent."
truncate -s "${cow_spacesize}" "/run/archiso/cowspace/${cow_directory}/${img_name}.cow"
fi
rw_dev="$(losetup --find --show "/run/archiso/cowspace/${cow_directory}/${img_name}.cow")"
echo "${rw_dev}" >> /run/archiso/used_block_devices
dmsetup create "${dm_snap_name}" --table \
"0 ${ro_dev_size} snapshot ${ro_dev} ${rw_dev} ${cow_persistent} ${cow_chunksize}"
if [ "${cow_persistent}" != "P" ]; then
rm -f "/run/archiso/cowspace/${cow_directory}/${img_name}.cow"
fi
_mnt_dev "/dev/mapper/${dm_snap_name}" "${newroot}${mnt}" "-w" "defaults"
readlink -f "/dev/mapper/${dm_snap_name}" >> /run/archiso/used_block_devices
}
# args: source, newroot, mountpoint
_mnt_overlayfs() {
local src="${1}"
local newroot="${2}"
local mnt="${3}"
mkdir -p "/run/archiso/cowspace/${cow_directory}/upperdir" "/run/archiso/cowspace/${cow_directory}/workdir"
mount -t overlay -o \
"lowerdir=${src},upperdir=/run/archiso/cowspace/${cow_directory}/upperdir,workdir=/run/archiso/cowspace/${cow_directory}/workdir" \
airootfs "${newroot}${mnt}"
}
# args: /path/to/image_file, mountpoint
_mnt_sfs() {
local img="${1}"
local mnt="${2}"
local img_fullname="${img##*/}"
local sfs_dev
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ "${copytoram}" = "y" ]; then
msg -n ":: Copying squashfs image to RAM..."
# in case we have pv use it to display copy progress feedback otherwise
# fallback to using plain cp
if command -v pv > /dev/null 2>&1; then
echo ""
(pv "${img}" > "/run/archiso/copytoram/${img_fullname}")
local rc=$?
else
(cp -- "${img}" "/run/archiso/copytoram/${img_fullname}")
local rc=$?
fi
if [ $rc != 0 ]; then
echo "ERROR: while copy '${img}' to '/run/archiso/copytoram/${img_fullname}'"
launch_interactive_shell
fi
img="/run/archiso/copytoram/${img_fullname}"
msg "done."
fi
sfs_dev="$(losetup --find --show --read-only -- "${img}")"
echo "${sfs_dev}" >> /run/archiso/used_block_devices
_mnt_dev "${sfs_dev}" "${mnt}" "-r" "defaults"
}
# args: /path/to/image_file, mountpoint
_mnt_erofs() {
local img="${1}"
local mnt="${2}"
local img_fullname="${img##*/}"
local erofs_dev
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ "${copytoram}" = "y" ]; then
msg -n ":: Copying EROFS image to RAM..."
if ! cp -- "${img}" "/run/archiso/copytoram/${img_fullname}" ; then
echo "ERROR: while copy '${img}' to '/run/archiso/copytoram/${img_fullname}'"
launch_interactive_shell
fi
img="/run/archiso/copytoram/${img_fullname}"
msg "done."
fi
erofs_dev="$(losetup --find --show --read-only -- "${img}")"
echo "${erofs_dev}" >> /run/archiso/used_block_devices
_mnt_dev "${erofs_dev}" "${mnt}" "-r" "defaults" "erofs"
}
# args: device, mountpoint, flags, opts
_mnt_dev() {
local dev="${1}"
local mnt="${2}"
local flg="${3}"
local opts="${4}"
local fstype="${5:-auto}"
mkdir -p "${mnt}"
msg ":: Mounting '${dev}' to '${mnt}'"
while ! poll_device "${dev}" 30; do
echo "ERROR: '${dev}' device did not show up after 30 seconds..."
echo " Falling back to interactive prompt"
echo " You can try to fix the problem manually, log out when you are finished"
launch_interactive_shell
done
if mount -t "${fstype}" -o "${opts}" "${flg}" "${dev}" "${mnt}"; then
msg ":: Device '${dev}' mounted successfully."
else
echo "ERROR; Failed to mount '${dev}'"
echo " Falling back to interactive prompt"
echo " You can try to fix the problem manually, log out when you are finished"
launch_interactive_shell
fi
}
_verify_checksum() {
local _status
cd "/run/archiso/bootmnt/${archisobasedir}/${arch}" || exit 1
sha512sum -c airootfs.sha512 > /tmp/checksum.log 2>&1
_status=$?
cd -- "${OLDPWD}" || exit 1
return "${_status}"
}
_verify_signature() {
local _status
local sigfile="${1}"
cd "/run/archiso/bootmnt/${archisobasedir}/${arch}" || exit 1
gpg --homedir /gpg --status-fd 1 --verify "${sigfile}" 2>/dev/null | grep -qE '^\[GNUPG:\] GOODSIG'
_status=$?
cd -- "${OLDPWD}" || exit 1
return ${_status}
}
run_hook() {
[ -z "${arch}" ] && arch="$(uname -m)"
[ -z "${copytoram_size}" ] && copytoram_size="75%"
[ -z "${archisobasedir}" ] && archisobasedir="arch"
[ -z "${dm_snap_prefix}" ] && dm_snap_prefix="arch"
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
[ -z "${archisodevice}" ] && archisodevice="/dev/disk/by-label/${archisolabel}"
[ -z "${cow_spacesize}" ] && cow_spacesize="256M"
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ -n "${cow_label}" ]; then
cow_device="/dev/disk/by-label/${cow_label}"
[ -z "${cow_persistent}" ] && cow_persistent="P"
elif [ -n "${cow_device}" ]; then
[ -z "${cow_persistent}" ] && cow_persistent="P"
else
cow_persistent="N"
fi
[ -z "${cow_flags}" ] && cow_flags="defaults"
[ -z "${cow_directory}" ] && cow_directory="persistent_${archisolabel}/${arch}"
[ -z "${cow_chunksize}" ] && cow_chunksize="8"
# set mount handler for archiso
export mount_handler="archiso_mount_handler"
}
# This function is called normally from init script, but it can be called
# as chain from other mount handlers.
# args: /path/to/newroot
archiso_mount_handler() {
local newroot="${1}"
local sigfile
if ! mountpoint -q "/run/archiso/bootmnt"; then
_mnt_dev "${archisodevice}" "/run/archiso/bootmnt" "-r" "defaults"
if [ "${copytoram}" != "y" ]; then
readlink -f "${archisodevice}" >> /run/archiso/used_block_devices
fi
fi
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ "${checksum}" = "y" ]; then
if [ -f "/run/archiso/bootmnt/${archisobasedir}/${arch}/airootfs.sha512" ]; then
msg -n ":: Self-test requested, please wait..."
if _verify_checksum; then
msg "done. Checksum is OK, continue booting."
else
echo "ERROR: one or more files are corrupted"
echo "see /tmp/checksum.log for details"
launch_interactive_shell
fi
else
echo "ERROR: checksum=y option specified but ${archisobasedir}/${arch}/airootfs.sha512 not found"
launch_interactive_shell
fi
fi
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ "${verify}" = "y" ]; then
if [ -f "/run/archiso/bootmnt/${archisobasedir}/${arch}/airootfs.sfs.sig" ]; then
sigfile="airootfs.sfs.sig"
elif [ -f "/run/archiso/bootmnt/${archisobasedir}/${arch}/airootfs.erofs.sig" ]; then
sigfile="airootfs.erofs.sig"
fi
if [ -n "${sigfile}" ]; then
msg -n ":: Signature verification requested, please wait..."
if _verify_signature "${sigfile}"; then
msg "done. Signature is OK, continue booting."
else
echo "ERROR: one or more files are corrupted"
launch_interactive_shell
fi
else
echo "ERROR: verify=y option specified but GPG signature not found in ${archisobasedir}/${arch}/"
launch_interactive_shell
fi
fi
if [ "${copytoram}" = "y" ]; then
msg ":: Mounting /run/archiso/copytoram (tmpfs) filesystem, size=${copytoram_size}"
mkdir -p /run/archiso/copytoram
mount -t tmpfs -o "size=${copytoram_size}",mode=0755 copytoram /run/archiso/copytoram
fi
if [ -n "${cow_device}" ]; then
_mnt_dev "${cow_device}" "/run/archiso/cowspace" "-r" "${cow_flags}"
readlink -f "${cow_device}" >> /run/archiso/used_block_devices
mount -o remount,rw "/run/archiso/cowspace"
else
msg ":: Mounting /run/archiso/cowspace (tmpfs) filesystem, size=${cow_spacesize}..."
mkdir -p /run/archiso/cowspace
mount -t tmpfs -o "size=${cow_spacesize}",mode=0755 cowspace /run/archiso/cowspace
fi
mkdir -p "/run/archiso/cowspace/${cow_directory}"
chmod 0700 "/run/archiso/cowspace/${cow_directory}"
if [ -f "/run/archiso/bootmnt/${archisobasedir}/${arch}/airootfs.sfs" ]; then
_mnt_sfs "/run/archiso/bootmnt/${archisobasedir}/${arch}/airootfs.sfs" "/run/archiso/airootfs"
elif [ -f "/run/archiso/bootmnt/${archisobasedir}/${arch}/airootfs.erofs" ]; then
_mnt_erofs "/run/archiso/bootmnt/${archisobasedir}/${arch}/airootfs.erofs" "/run/archiso/airootfs"
fi
if [ -f "/run/archiso/airootfs/airootfs.img" ]; then
_mnt_dmsnapshot "/run/archiso/airootfs/airootfs.img" "${newroot}" "/"
else
_mnt_overlayfs "/run/archiso/airootfs" "${newroot}" "/"
fi
if [ "${copytoram}" = "y" ]; then
umount -d /run/archiso/bootmnt
rmdir /run/archiso/bootmnt
fi
}
# vim: set ft=sh:
#!/bin/ash
#
# SPDX-License-Identifier: GPL-3.0-or-later
run_hook () {
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
[ -n "${img_label}" ] && img_dev="/dev/disk/by-label/${img_label}"
[ -z "${img_flags}" ] && img_flags="defaults"
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ -n "${img_dev}" ] && [ -n "${img_loop}" ]; then
export mount_handler="archiso_loop_mount_handler"
fi
}
archiso_loop_mount_handler () {
newroot="${1}"
local _dev_loop
msg ":: Setup a loop device from ${img_loop} located at device ${img_dev}"
_mnt_dev "${img_dev}" "/run/archiso/img_dev" "-r" "${img_flags}"
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ "${copytoram}" != "y" ]; then
readlink -f "${img_dev}" >> /run/archiso/used_block_devices
fi
if _dev_loop=$(losetup --find --show --read-only "/run/archiso/img_dev/${img_loop}"); then
export archisodevice="${_dev_loop}"
else
echo "ERROR: Setting loopback device for file '/run/archiso/img_dev/${img_loop}'"
launch_interactive_shell
fi
archiso_mount_handler "${newroot}"
if [ "${copytoram}" = "y" ]; then
losetup -d "${_dev_loop}" 2>/dev/null
umount /run/archiso/img_dev
fi
}
# vim: set ft=sh:
#!/bin/ash
#
# SPDX-License-Identifier: GPL-3.0-or-later
run_hook () {
# Do *not* declare 'bootif_dev' local! We need it in run_latehook().
local i net_mac bootif_mac
local DNSDOMAIN HOSTNAME IPV4DNS0 IPV4DNS1 ROOTSERVER
# These variables will be parsed from /tmp/net-*.conf generated by ipconfig
# shellcheck disable=SC2034
local DEVICE IPV4ADDR IPV4BROADCAST IPV4NETMASK IPV4GATEWAY NISDOMAIN ROOTPATH filename
if [ -n "${ip}" ]; then
if [ -n "${BOOTIF}" ]; then
bootif_mac="${BOOTIF#01-}"
# shellcheck disable=SC2169,SC3060
# ash supports bash-like string replacment
bootif_mac="${bootif_mac//-/:}"
for i in /sys/class/net/*/address; do
read -r net_mac < "${i}"
if [ "${bootif_mac}" = "${net_mac}" ]; then
bootif_dev=${i#/sys/class/net/}
bootif_dev=${bootif_dev%/address}
break
fi
done
if [ "${ip}" = "dhcp" ]; then
ip=":::::${bootif_dev}:dhcp"
else
ip="${ip}::${bootif_dev}"
fi
fi
# setup network and save some values
if ! ipconfig -t 20 "ip=${ip}"; then
echo "ERROR; Failed to configure network"
echo " Falling back to interactive prompt"
echo " You can try to fix the problem manually, log out when you are finished"
launch_interactive_shell
fi
# shellcheck disable=SC1090
# ipconfig generates these files
. /tmp/net-*.conf
export pxeserver="${ROOTSERVER}"
# setup DNS resolver
if [ "${IPV4DNS0}" != "0.0.0.0" ]; then
echo "# added by archiso_pxe_common hook" > /etc/resolv.conf
echo "nameserver ${IPV4DNS0}" >> /etc/resolv.conf
fi
if [ "${IPV4DNS1}" != "0.0.0.0" ]; then
echo "nameserver ${IPV4DNS1}" >> /etc/resolv.conf
fi
if [ -n "${DNSDOMAIN}" ]; then
echo "search ${DNSDOMAIN}" >> /etc/resolv.conf
echo "domain ${DNSDOMAIN}" >> /etc/resolv.conf
fi
fi
}
run_latehook () {
if [ -n "${ip}" ]; then
[ -z "${copy_resolvconf}" ] && copy_resolvconf="y"
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ "${copytoram}" = "y" ]; then
for curif in /sys/class/net/*; do
netdev=${curif#/sys/class/net/}
ip addr flush dev "${netdev}"
ip link set "${netdev}" down
done
elif [ "${copy_resolvconf}" != "n" ] && [ -f /etc/resolv.conf ]; then
rm -f /new_root/etc/resolv.conf
cp /etc/resolv.conf /new_root/etc/resolv.conf
fi
fi
}
# vim: set ft=sh:
#!/bin/ash
#
# SPDX-License-Identifier: GPL-3.0-or-later
run_hook() {
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ -n "${ip}" ] && [ -n "${archiso_http_srv}" ]; then
# booting with http is always copy-to-ram, so set here to make sure
# addresses are flushed and interface is set down
export copytoram="y"
archiso_http_srv=$(eval echo "${archiso_http_srv}")
[ -z "${archiso_http_spc}" ] && archiso_http_spc="75%"
export mount_handler="archiso_pxe_http_mount_handler"
fi
}
# Fetch a file with CURL
#
# $1 URL
# $2 Destination directory inside httpspace/${archisobasedir}
_curl_get() {
local _url="${1}"
local _dst="${2}"
msg ":: Downloading '${_url}'"
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if ! curl -L -f -o "/run/archiso/httpspace/${archisobasedir}${_dst}/${_url##*/}" --create-dirs "${_url}"; then
echo "ERROR: Downloading '${_url}'"
echo " Falling back to interactive prompt"
echo " You can try to fix the problem manually, log out when you are finished"
launch_interactive_shell
fi
}
archiso_pxe_http_mount_handler () {
newroot="${1}"
local img_type="sfs"
msg ":: Mounting /run/archiso/httpspace (tmpfs) filesystem, size='${archiso_http_spc}'"
mkdir -p "/run/archiso/httpspace"
mount -t tmpfs -o size="${archiso_http_spc}",mode=0755 httpspace "/run/archiso/httpspace"
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if ! curl -L -f -o /dev/null -s -r 0-0 "${archiso_http_srv}${archisobasedir}/${arch}/airootfs.sfs"; then
if curl -L -f -o /dev/null -s -r 0-0 "${archiso_http_srv}${archisobasedir}/${arch}/airootfs.erofs"; then
img_type="erofs"
fi
fi
_curl_get "${archiso_http_srv}${archisobasedir}/${arch}/airootfs.${img_type}" "/${arch}"
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ "${checksum}" = "y" ]; then
_curl_get "${archiso_http_srv}${archisobasedir}/${arch}/airootfs.sha512" "/${arch}"
fi
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ "${verify}" = "y" ]; then
_curl_get "${archiso_http_srv}${archisobasedir}/${arch}/airootfs.${img_type}.sig" "/${arch}"
fi
mkdir -p "/run/archiso/bootmnt"
mount -o bind /run/archiso/httpspace /run/archiso/bootmnt
archiso_mount_handler "${newroot}"
}
# vim: set ft=sh:
#!/bin/ash
#
# SPDX-License-Identifier: GPL-3.0-or-later
run_earlyhook() {
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ -n "${ip}" ] && [ -n "${archiso_nbd_srv}" ]; then
# Module autoloading like with loop devices does not work, doing manually...
modprobe nbd 2> /dev/null
fi
}
run_hook() {
if [ -n "${ip}" ] && [ -n "${archiso_nbd_srv}" ]; then
archiso_nbd_srv=$(eval echo "${archiso_nbd_srv}")
[ -z "${archiso_nbd_name}" ] && archiso_nbd_name="archiso"
export mount_handler="archiso_pxe_nbd_mount_handler"
fi
}
archiso_pxe_nbd_mount_handler () {
newroot="${1}"
msg ":: Waiting for boot device..."
while ! poll_device /dev/nbd0 30; do
echo "ERROR: boot device didn't show up after 30 seconds..."
echo " Falling back to interactive prompt"
echo " You can try to fix the problem manually, log out when you are finished"
launch_interactive_shell
done
msg ":: Setup NBD from ${archiso_nbd_srv} at /dev/nbd0"
if [ "${copytoram}" != "n" ]; then
nbd-client "${archiso_nbd_srv}" -N "${archiso_nbd_name}" /dev/nbd0
copytoram="y"
else
nbd-client "${archiso_nbd_srv}" -N "${archiso_nbd_name}" -systemd-mark -persist /dev/nbd0
fi
export archisodevice=/dev/nbd0
archiso_mount_handler "${newroot}"
if [ "${copytoram}" = "y" ]; then
msg ":: Disconnect NBD from ${archiso_nbd_srv} at /dev/nbd0"
nbd-client -d /dev/nbd0
fi
}
# vim: set ft=sh:
#!/bin/ash
#
# SPDX-License-Identifier: GPL-3.0-or-later
run_hook() {
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ -n "${ip}" ] && [ -n "${archiso_nfs_srv}" ]; then
archiso_nfs_srv=$(eval echo "${archiso_nfs_srv}")
export mount_handler="archiso_nfs_mount_handler"
fi
}
archiso_nfs_mount_handler() {
local mount_status
newroot="${1}"
mkdir -p "/run/archiso/bootmnt"
msg ":: Mounting '${archiso_nfs_srv}'"
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ -n "${archiso_nfs_opt}" ]; then
nfsmount -o "${archiso_nfs_opt}" "${archiso_nfs_srv}" "/run/archiso/bootmnt"
mount_status=$?
else
nfsmount "${archiso_nfs_srv}" "/run/archiso/bootmnt"
mount_status=$?
fi
if [ $mount_status -gt 0 ]; then
echo "ERROR: Mounting '${archiso_nfs_srv}'"
echo " Falling back to interactive prompt"
echo " You can try to fix the problem manually, log out when you are finished"
launch_interactive_shell
fi
if [ "${copytoram}" != "n" ]; then
copytoram="y"
fi
archiso_mount_handler "${newroot}"
}
# vim: set ft=sh:
#!/bin/ash
#
# SPDX-License-Identifier: GPL-3.0-or-later
run_cleanuphook() {
rm -rf /usr/lib/modules
cp -ax / /run/initramfs
}
# vim: set ft=sh: