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setup-disk.in
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#!/bin/sh
PREFIX=
. "$PREFIX/lib/libalpine.sh"
. "$PREFIX/lib/dasd-functions.sh"
MBR=${MBR:-"/usr/share/syslinux/mbr.bin"}
ROOTFS=${ROOTFS:-ext4}
BOOTFS=${BOOTFS:-ext4}
VARFS=${VARFS:-ext4}
BOOTLOADER=${BOOTLOADER:-syslinux}
DISKLABEL=${DISKLABEL:-dos}
# default location for mounted root
SYSROOT=${SYSROOT:-/mnt}
# machine arch
ARCH=$(apk --print-arch)
in_list() {
local i="$1"
shift
while [ $# -gt 0 ]; do
[ "$i" = "$1" ] && return 0
shift
done
return 1
}
all_in_list() {
local needle="$1"
local i
[ -z "$needle" ] && return 1
shift
for i in $needle; do
in_list "$i" $@ || return 1
done
return 0
}
# wrapper to only show given device
_blkid() {
blkid | grep "^$1:"
}
# if given device have an UUID display it, otherwise return the device
uuid_or_device() {
local i=
case "$1" in
/dev/md*) echo "$1" && return 0;;
esac
for i in $(_blkid "$1"); do
case "$i" in
UUID=*) eval $i;;
esac
done
if [ -n "$UUID" ]; then
echo "UUID=$UUID"
else
echo "$1"
fi
}
# generate an fstab from a given mountpoint. Convert to UUID if possible
enumerate_fstab() {
local mnt="$1"
local fs_spec= fs_file= fs_vfstype= fs_mntops= fs_freq= fs_passno=
[ -z "$mnt" ] && return
local escaped_mnt=$(echo $mnt | sed -e 's:/*$::' -e 's:/:\\/:g')
awk "\$2 ~ /^$escaped_mnt(\/|\$)/ {print \$0}" /proc/mounts | \
sed "s:$mnt:/:g; s: :\t:g" | sed -E 's:/+:/:g' | \
while read fs_spec fs_file fs_vfstype fs_mntops fs_freq fs_passno; do
if [ "$fs_file" = / ]; then
fs_passno=1
else
fs_passno=2
fi
echo -e "$(uuid_or_device $fs_spec)\t${fs_file}\t${fs_vfstype}\t${fs_mntops} ${fs_freq} ${fs_passno}"
done
}
is_vmware() {
grep -q VMware /proc/scsi/scsi 2>/dev/null \
|| grep -q VMware /proc/ide/hd*/model 2>/dev/null
}
# return true (0) if given device is lvm
is_lvm() {
lvs "$1" >/dev/null 2>&1
}
is_efi() {
[ -d "/sys/firmware/efi" ] && return 0
return 1
}
# Find the disk device from given partition
disk_from_part() {
local path=${1%/*}
local dev=${1##*/}
echo $path/$(basename "$(readlink -f "/sys/class/block/$dev/..")")
}
# $1 partition type (swap,linux,raid,lvm,prep,esp)
# return partition type id based on table type
partition_id() {
local id
if [ "$DISKLABEL" = "gpt" ]; then
case "$1" in
swap) id=0657FD6D-A4AB-43C4-84E5-0933C84B4F4F ;;
linux) id=0FC63DAF-8483-4772-8E79-3D69D8477DE4 ;;
raid) id=A19D880F-05FC-4D3B-A006-743F0F84911E ;;
lvm) id=E6D6D379-F507-44C2-A23C-238F2A3DF928 ;;
prep) id=9E1A2d38-C612-4316-AA26-8B49521E5A8B ;;
esp) id=C12A7328-F81F-11D2-BA4B-00A0C93EC93B ;;
*) die "Partition id \"$1\" is not supported!" ;;
esac
elif [ "$DISKLABEL" = "dos" ]; then
case "$1" in
swap) id=82 ;;
linux) id=83 ;;
raid) id=fd ;;
lvm) id=8e ;;
prep) id=41 ;;
esp) id=EF ;;
*) die "Partition id \"$1\" is not supported!" ;;
esac
elif [ "$DISKLABEL" = "eckd" ]; then
case "$1" in
native|lvm|swap|raid|gpfs) id="$1" ;;
esac
else
die "Partition label \"$DISKLABEL\" is not supported!"
fi
echo $id
}
# find partitions based on partition type from specified disk
# type can be any type from partition_id or the literal string "boot"
find_partitions() {
local dev="$1" type="$2" search=
if is_dasd "$dev" eckd; then
case "$type" in
boot) echo "$dev"1 ;;
*) fdasd -p "$dev" | grep "Linux $(partition_id "$type")" | awk '{print $1}' | tail -n 1 ;;
esac
return 0
fi
case "$type" in
boot)
search=bootable
[ -n "$USE_EFI" ] && search=$(partition_id esp)
sfdisk -d "$dev" | awk '/'$search'/ {print $1}'
;;
*)
search=$(partition_id "$type")
sfdisk -d "$dev" | awk '/type='$search'/ {print $1}'
;;
esac
}
unpack_apkovl() {
local ovl="$1"
local dest="$2"
local suffix=${ovl##*.}
local i
ovlfiles=/tmp/ovlfiles
if [ "$suffix" = "gz" ]; then
if ! tar -C "$dest" --numeric-owner -zxvf "$ovl" > $ovlfiles; then
echo -n "Continue anyway? [Y/n]: "
read i
case "$i" in
n*|N*) return 1;;
esac
fi
return 0
fi
apk add --quiet openssl
if ! openssl list-cipher-commands | grep "^$suffix$" > /dev/null; then
errstr="Cipher $suffix is not supported"
return 1
fi
local count=0
# beep
echo -e "\007"
while [ $count -lt 3 ]; do
openssl enc -d -$suffix -in "$ovl" | tar --numeric-owner \
-C "$dest" -zxv >$ovlfiles 2>/dev/null && return 0
count=$(( $count + 1 ))
done
ovlfiles=
return 1
}
# find filesystem of given mounted dir
find_mount_fs() {
local mount_point="$1"
awk "\$2 == \"$mount_point\" {print \$3}" /proc/mounts | tail -n 1
}
# find device for given mounted dir
find_mount_dev() {
local mnt="$1"
awk "\$2 == \"$mnt\" { print \$1 }" /proc/mounts | tail -n 1
}
supported_boot_fs() {
local supported="ext2 ext3 ext4 btrfs xfs vfat"
local fs=
for fs in $supported; do
[ "$fs" = "$1" ] && return 0
done
echo "$1 is not supported. Only supported are: $supported" >&2
return 1
}
supported_part_label() {
case "$1" in
dos|gpt|eckd) return 0 ;;
*) die "Partition label \"$DISKLABEL\" is not supported!" ;;
esac
}
find_volume_group() {
local lv=${1##*/}
lvs --noheadings "$1" | awk '{print $2}'
}
find_pvs_in_vg() {
local vg="$1"
pvs --noheadings | awk "\$2 == \"$vg\" {print \$1}"
}
# echo current grsecurity option and set new
set_grsec() {
local key="$1" value="$2"
if ! [ -e /proc/sys/kernel/grsecurity/$key ]; then
return 0
fi
cat /proc/sys/kernel/grsecurity/$key
echo $value > /proc/sys/kernel/grsecurity/$key
}
init_chroot_mounts() {
local mnt="$1" i=
for i in proc dev; do
mkdir -p "$mnt"/$i
mount --bind /$i "$mnt"/$i
done
}
cleanup_chroot_mounts() {
local mnt="$1" i=
for i in proc dev; do
umount "$mnt"/$i
done
}
get_bootopt() {
local opt="$1"
set -- $(cat /proc/cmdline)
for i; do
case "$i" in
"$opt"|"$opt"=*) echo "${i#*=}"; break;;
esac
done
}
# setup GRUB bootloader
setup_grub() {
local mnt="$1" root="$2" modules="$3" kernel_opts="$4" bootdev="$5"
# install GRUB efi mode
if [ -n "$USE_EFI" ]; then
local target fwa
case "$ARCH" in
x86_64) target=x86_64-efi ; fwa=x64 ;;
x86) target=i386-efi ; fwa=ia32 ;;
arm*) target=arm-efi ; fwa=arm ;;
aarch64) target=arm64-efi ; fwa=aa64 ;;
esac
# currently disabling nvram so grub doesnt call efibootmgr
# installing to alpine directory so other distros dont overwrite it
grub-install --target=$target --efi-directory="$mnt"/boot/efi \
--bootloader-id=alpine --boot-directory="$mnt"/boot --no-nvram
# fallback mode will use boot/boot${fw arch}.efi
install -D "$mnt"/boot/efi/EFI/alpine/grub$fwa.efi \
"$mnt"/boot/efi/EFI/boot/boot$fwa.efi
# install GRUB for ppc64le
elif [ "$ARCH" = "ppc64le" ]; then
shift 5
local disks="${@}"
for disk in $disks; do
prep=$(find_partitions "$disk" "prep")
echo "Installing grub on $prep"
grub-install --boot-directory="$mnt"/boot $prep
done
# install GRUB in bios mode
else
local bootdisk=$(disk_from_part $bootdev)
case "$ARCH" in
x86|x86_64) grub-install --boot-directory="$mnt"/boot \
--target=i386-pc $bootdisk ;;
*) die "Cannot install GRUB in BIOS mode for $ARCH" ;;
esac
fi
# setup GRUB config. trigger will generate final grub.cfg
install -d "$mnt"/etc/default/
cat > "$mnt"/etc/default/grub <<- EOF
GRUB_DISTRIBUTOR="Alpine"
GRUB_TIMEOUT=2
GRUB_DISABLE_SUBMENU=y
GRUB_DISABLE_RECOVERY=true
GRUB_CMDLINE_LINUX_DEFAULT="modules=$modules $kernel_opts"
EOF
}
# setup syslinux bootloader
setup_syslinux() {
local mnt="$1" root="$2" modules="$3" kernel_opts="$4" bootdev="$5"
local exlinux_raidopt=
sed -e "s:^root=.*:root=$root:" \
-e "s:^default_kernel_opts=.*:default_kernel_opts=\"$kernel_opts\":" \
-e "s:^modules=.*:modules=$modules:" \
/etc/update-extlinux.conf > "$mnt"/etc/update-extlinux.conf
if [ "$(rc --sys)" = "XEN0" ]; then
sed -i -e "s:^default=.*:default=xen-grsec:" \
"$mnt"/etc/update-extlinux.conf
fi
# Check if we boot from raid so we can pass proper option to
# extlinux later.
if [ -e "/sys/block/${bootdev#/dev/}/md" ]; then
extlinux_raidopt="--raid"
fi
extlinux $extlinux_raidopt --install "$mnt"/boot
}
install_mounted_root() {
local mnt="$1"
shift 1
local disks="${@}" mnt_boot= boot_fs= root_fs=
local initfs_features="ata base ide scsi usb virtio"
local pvs= dev= rootdev= bootdev= extlinux_raidopt= root= modules=
local kernel_opts="quiet"
[ "$ARCH" = "s390x" ] && initfs_features="$initfs_features qeth dasd_mod"
rootdev=$(find_mount_dev "$mnt")
if [ -z "$rootdev" ]; then
echo "$mnt does not seem to be a mount point" >&2
return 1
fi
root_fs=$(find_mount_fs "$mnt")
initfs_features="$initfs_features $root_fs"
if is_lvm "$rootdev"; then
initfs_features="$initfs_features lvm"
local vg=$(find_volume_group "$rootdev")
pvs=$(find_pvs_in_vg $vg)
fi
bootdev=$(find_mount_dev "$mnt"/boot)
if [ -z "$bootdev" ]; then
bootdev=$rootdev
mnt_boot="$mnt"
else
mnt_boot="$mnt"/boot
fi
boot_fs=$(find_mount_fs "$mnt_boot")
supported_boot_fs "$boot_fs" || return 1
# check if our root is on raid so we can feed mkinitfs and
# bootloader conf with the proper kernel module params
for dev in $rootdev $pvs; do
# check if we need hardware raid drivers
case $dev in
/dev/cciss/*)
initfs_features="${initfs_features% raid} raid"
;;
/dev/nvme*)
initfs_features="${initfs_features% nvme} nvme"
;;
/dev/mmc*)
initfs_features="${initfs_features% mmc} mmc"
;;
esac
[ -e "/sys/block/${dev#/dev/}/md" ] || continue
local md=${dev#/dev/}
initfs_features="${initfs_features% raid} raid"
local level=$(cat /sys/block/$md/md/level)
case "$level" in
raid1) raidmod="${raidmod%,raid1},raid1";;
raid[456]) raidmod="${raidmod%,raid456},raid456";;
esac
done
if [ -n "$VERBOSE" ]; then
echo "Root device: $rootdev"
echo "Root filesystem: $root_fs"
echo "Boot device: $bootdev"
echo "Boot filesystem: $boot_fs"
fi
if [ -z "$APKOVL" ]; then
ovlfiles=/tmp/ovlfiles
lbu package - | tar -C "$mnt" -zxv > "$ovlfiles"
# comment out local repositories
if [ -f "$mnt"/etc/apk/repositories ]; then
sed -i -e 's:^/:#/:' "$mnt"/etc/apk/repositories
fi
else
echo "Restoring backup from $APKOVL to $rootdev..."
unpack_apkovl "$APKOVL" "$mnt" || return 1
fi
# we should not try start modloop on sys install
rm -f "$mnt"/etc/runlevels/*/modloop
# generate mkinitfs.conf
mkdir -p "$mnt"/etc/mkinitfs/features.d
echo "features=\"$initfs_features\"" > "$mnt"/etc/mkinitfs/mkinitfs.conf
if [ -n "$raidmod" ]; then
echo "/sbin/mdadm" > "$mnt"/etc/mkinitfs/features.d/raid.files
echo "/etc/mdadm.conf" >> "$mnt"/etc/mkinitfs/features.d/raid.files
fi
# generate update-extlinux.conf
root=$(uuid_or_device $rootdev)
kernel_opts="$kernel_opts rootfstype=$root_fs"
if is_vmware; then
kernel_opts="pax_nouderef $kernel_opts"
fi
if [ -n "$(get_bootopt nomodeset)" ]; then
kernel_opts="nomodeset $kernel_opts"
fi
modules="sd-mod,usb-storage,${root_fs}${raidmod}"
# generate the fstab
if [ -f "$mnt"/etc/fstab ]; then
mv "$mnt"/etc/fstab "$mnt"/etc/fstab.old
fi
enumerate_fstab "$mnt" >> "$mnt"/etc/fstab
if [ -n "$SWAP_DEVICES" ]; then
local swap_dev
for swap_dev in $SWAP_DEVICES; do
echo -e "$(uuid_or_device ${swap_dev})\tswap\tswap\tdefaults\t0 0" \
>> "$mnt"/etc/fstab
done
fi
cat >>"$mnt"/etc/fstab <<-__EOF__
/dev/cdrom /media/cdrom iso9660 noauto,ro 0 0
/dev/usbdisk /media/usb vfat noauto 0 0
__EOF__
# remove the installed db in case its there so we force re-install
rm -f "$mnt"/var/lib/apk/installed "$mnt"/lib/apk/db/installed
echo "Installing system on $rootdev:"
case "$BOOTLOADER" in
grub) setup_grub "$mnt" "$root" "$modules" "$kernel_opts" "$bootdev" $disks ;;
syslinux) setup_syslinux "$mnt" "$root" "$modules" "$kernel_opts" "$bootdev" ;;
zipl) setup_zipl "$mnt" "$root" "$modules" "$kernel_opts" ;;
*) die "Bootloader \"$BOOTLOADER\" not supported!" ;;
esac
# apk reads config from target root so we need to copy the config
mkdir -p "$mnt"/etc/apk/keys/
cp /etc/apk/keys/* "$mnt"/etc/apk/keys/
local apkflags="--initdb --quiet --progress --update-cache --clean-protected"
local pkgs=$(grep -h -v -w sfdisk "$mnt"/etc/apk/world \
"$mnt"/var/lib/apk/world 2>/dev/null)
pkgs="$pkgs acct linux-$KERNEL_FLAVOR alpine-base"
if [ "$(rc --sys)" = "XEN0" ]; then
pkgs="$pkgs xen-hypervisor"
fi
local repos=$(sed -e 's/\#.*//' /etc/apk/repositories)
local repoflags=
for i in $repos; do
repoflags="$repoflags --repository $i"
done
chroot_caps=$(set_grsec chroot_caps 0)
init_chroot_mounts "$mnt"
apk add --root "$mnt" $apkflags --overlay-from-stdin \
$repoflags $pkgs <$ovlfiles
local ret=$?
cleanup_chroot_mounts "$mnt"
set_grsec chroot_caps $chroot_caps > /dev/null
return $ret
}
unmount_partitions() {
local mnt="$1"
# unmount the partitions
umount $(awk '{print $2}' /proc/mounts | egrep "^$mnt(/|\$)" | sort -r)
}
# figure out decent default swap size in mega bytes
find_swap_size() {
local memtotal_kb=$(awk '$1 == "MemTotal:" {print $2}' /proc/meminfo)
# use 2 * avaiable ram or no more than 1/3 of smallest disk space
local size=$(( $memtotal_kb * 2 / 1024 ))
local disk= disksize=
for disk in $@; do
local sysfsdev=$(echo ${disk#/dev/} | sed 's:/:!:g')
local sysfspath=/sys/block/$sysfsdev/size
# disksize = x * 512 / (1024 * 1024) = x / 2048
# maxsize = $disksize / 4 = x / (2048 * 4) = x / 8192
maxsize=$(awk '{ printf "%i", $0 / 8192 }' $sysfspath )
if [ $size -gt $maxsize ]; then
size=$maxsize
fi
done
if [ $size -gt 4096 ]; then
# dont ever use more than 4G
size=4096
elif [ $size -lt 64 ]; then
# dont bother create swap smaller than 64MB
size=0
fi
echo $size
}
has_mounted_part() {
local p
local sysfsdev=$(echo ${1#/dev/} | sed 's:/:!:g')
# parse /proc/mounts for mounted devices
for p in $(awk '$1 ~ /^\/dev\// {gsub("/dev/", "", $1); gsub("/", "!", $1); print $1}' \
/proc/mounts); do
[ "$p" = "$sysfsdev" ] && return 0
[ -e /sys/block/$sysfsdev/$p ] && return 0
done
return 1
}
has_holders() {
local i
# check if device is used by any md devices
for i in $1/holders/* $1/*/holders/*; do
[ -e "$i" ] && return 0
done
return 1
}
is_available_disk() {
local dev=$1
local b=$(echo $p | sed 's:/:!:g')
# check if its a "root" block device and not a partition
[ -e /sys/block/$b ] || return 1
# check so it does not have mounted partitions
has_mounted_part $dev && return 1
# check so its not part of an md setup
if has_holders /sys/block/$b; then
[ -n "$USE_RAID" ] && echo "Warning: $dev is part of a running raid" >&2
return 1
fi
# check so its not an md device
[ -e /sys/block/$b/md ] && return 1
return 0
}
find_disks() {
local p=
# filter out ramdisks (major=1)
for p in $(awk '$1 != 1 && $1 ~ /[0-9]+/ {print $4}' /proc/partitions); do
is_available_disk $p && echo -n " $p"
done
}
stop_all_raid() {
local rd
for rd in /dev/md*; do
[ -b $rd ] && mdadm --stop $rd
done
}
select_bootloader() {
local bootloader=syslinux
if [ "$ARCH" = "ppc64le" ]; then
bootloader=grub-ieee1275
elif [ "$ARCH" = "s390x" ]; then
bootloader=s390-tools
elif [ -n "$USE_EFI" ]; then
bootloader=grub-efi
elif [ "$BOOTLOADER" = "grub" ]; then
bootloader=grub-bios
fi
echo "$bootloader"
}
# install needed programs
init_progs() {
local raidpkg= lvmpkg= fs= fstools= grub=
[ -n "$USE_RAID" ] && raidpkg="mdadm"
[ -n "$USE_LVM" ] && lvmpkg="lvm2"
for fs in $BOOTFS $ROOTFS $VARFS; do
# we need load btrfs module early to avoid the error message:
# 'failed to open /dev/btrfs-control'
if ! grep -q -w "$fs" /proc/filesystems; then
modprobe $fs
fi
case $fs in
xfs) fstools="$fstools xfsprogs";;
ext*) fstools="$fstools e2fsprogs";;
btrfs) fstools="$fstools btrfs-progs";;
vfat) fstools="$fstools dosfstools";;
esac
done
apk add --quiet sfdisk $lvmpkg $raidpkg $fstools $@
}
show_disk_info() {
local disk= vendor= model= d= size= busid=
for disk in $@; do
local dev=${disk#/dev/}
d=$(echo $dev | sed 's:/:!:g')
vendor=$(cat /sys/block/$d/device/vendor 2>/dev/null)
model=$(cat /sys/block/$d/device/model 2>/dev/null)
busid=$(readlink -f /sys/block/$d/device 2>/dev/null)
size=$(awk '{gb = ($1 * 512)/1000000000; printf "%.1f GB\n", gb}' /sys/block/$d/size 2>/dev/null)
if is_dasd $dev eckd; then
echo " $dev ($size $vendor ${busid##*/})"
else
echo " $dev ($size $vendor $model)"
fi
done
}
confirm_erase() {
local answer=
local erasedisks="$@"
if [ "$ERASE_DISKS" = "$erasedisks" ]; then
return 0
fi
echo "WARNING: The following disk(s) will be erased:"
show_disk_info $@
echo -n "WARNING: Erase the above disk(s) and continue? [y/N]: "
read answer
case "$answer" in
y*|Y*) return 0;;
esac
return 1
}
# setup partitions on given disk dev in $1.
# usage: setup_partitions <diskdev> size1,type1 [size2,type2 ...]
setup_partitions() {
local diskdev="$1" start=1M line=
shift
supported_part_label "$DISKLABEL" || return 1
# initialize MBR for syslinux only
if [ "$BOOTLOADER" = "syslinux" ] && [ -f "$MBR" ]; then
cat "$MBR" > $diskdev
fi
# create new partitions
(
for line in "$@"; do
case "$line" in
0M*) ;;
*) echo "$start,$line"; start= ;;
esac
done
) | sfdisk --quiet --label $DISKLABEL $diskdev
# create device nodes if not exist
mdev -s
}
# set up optional raid and create filesystem on boot device.
setup_boot_dev() {
local disks="$@" disk= bootdev= mkfs_args=
[ "$BOOTFS" != "vfat" ] && mkfs_args="-q"
local part=$(for disk in $disks; do find_partitions "$disk" "boot"; done)
set -- $part
bootdev=$1
[ -z "$bootdev" ] && return 1
if [ "$ARCH" = "ppc64le" ]; then
# Change bootable partition to PReP partition
for disk in $disks; do
echo ',,,*' | sfdisk --quiet $disk -N1
echo ',,,-' | sfdisk --quiet $disk -N2
mdev -s
done
fi
echo "Creating file systems..."
if [ -n "$USE_RAID" ]; then
local missing=
local num=$#
if [ $# -eq 1 ]; then
missing="missing"
num=2
fi
# we only use raid level 1 for boot devices
mdadm --create /dev/md0 --level=1 --raid-devices=$num \
--metadata=0.90 --quiet --run $@ $missing || return 1
bootdev=/dev/md0
fi
case "$BOOTFS" in
btrfs) mkfs_args="";;
ext4) mkfs_args="$mkfs_args -O ^64bit";; # pv-grub does not support 64bit
esac
mkfs.$BOOTFS $MKFS_OPTS_BOOT $mkfs_args $bootdev
BOOT_DEV="$bootdev"
}
# $1 = index
# $2 = partition type
# $3... = disk devices
find_nth_non_boot_parts() {
local idx=$1 id=$2 disk= type=bootable
shift 2
local disks="$@"
[ -n "$USE_EFI" ] && type=$(partition_id esp)
for disk in $disks; do
if is_dasd $disk eckd; then
fdasd -p $disk | grep "Linux $id" | awk '{print $1}' | tail -n 1
else
sfdisk -d $disk | grep -v $type \
| awk "/(Id|type)=$id/ { i++; if (i==$idx) print \$1 }"
fi
done
}
setup_non_boot_raid_dev() {
local md_dev=$1
local idx=${md_dev#/dev/md}
[ -z "$md_dev" ] && return 0
if [ "$ARCH" = "ppc64le" ]; then
# increment idx as PReP partition is
# the bootable partition in ppc64le
idx=$((idx+1))
fi
shift
local level=1
local missing=
local pid=$(partition_id raid)
local raid_parts=$(find_nth_non_boot_parts $idx $pid $@)
set -- $raid_parts
# how many disks do we have?
case $# in
0) echo "No Raid partitions found" >&2; return 1;;
1) level=1; missing="missing"; num=2;;
2) level=1; missing= ; num=2;;
*) level=5; missing= ; num=$#;;
esac
mdadm --create $md_dev --level=$level --raid-devices=$num \
--quiet --run $@ $missing || return 1
}
# setup device for lvm, create raid array if needed
setup_lvm_volume_group() {
local vgname="$1"
shift
local lvmdev=
if [ -n "$USE_RAID" ]; then
setup_non_boot_raid_dev /dev/md1 $@ || return 1
lvmdev=/dev/md1
else
lvmdev=$(find_partitions "$1" "lvm")
fi
# be quiet on success
local errmsg=$(dd if=/dev/zero of=$lvmdev bs=1k count=1 2>&1) \
|| echo "$errmsg"
pvcreate --quiet $lvmdev \
&& vgcreate --quiet $vgname $lvmdev >/dev/null
}
# set up swap on given device(s)
setup_swap_dev() {
local swap_dev=
sed -i -e '/swap/d' /etc/fstab
SWAP_DEVICES=
for swap_dev in "$@"; do
mkswap $swap_dev >/dev/null
echo -e "$(uuid_or_device $swap_dev)\tswap\t\tswap\tdefaults 0 0" >> /etc/fstab
SWAP_DEVICES="$SWAP_DEVICES $swap_dev"
done
swapon -a
rc-update --quiet add swap boot
}
# setup and enable swap on given volumegroup if needed
setup_lvm_swap() {
local vgname="$1"
local swapname=lv_swap
if [ -z "$SWAP_SIZE" ] || [ "$SWAP_SIZE" -eq 0 ]; then
return
fi
lvcreate --quiet -n $swapname -L ${SWAP_SIZE}MB $vgname
setup_swap_dev /dev/$vgname/$swapname
}
# if /var is mounted, move out data and umount it
reset_var() {
[ -z "$(find_mount_dev /var)" ] && return 0
mkdir /.var
mv /var/* /.var/ 2>/dev/null
umount /var && rm -rf /var && mv /.var /var && rm -rf /var/lost+found
}
# set up /var on given device
setup_var() {
local var_dev="$1"
local varfs=${VARFS}
echo "Creating file systems..."
mkfs.$varfs $MKFS_OPTS_VAR $var_dev >/dev/null || return 1
sed -i -e '/[[:space:]]\/var[[:space:]]/d' /etc/fstab
echo -e "$(uuid_or_device ${var_dev})\t/var\t\t${varfs}\tdefaults 1 2" >> /etc/fstab
mv /var /.var
mkdir /var
mount /var
mv /.var/* /var/
rmdir /.var
service syslog --quiet condrestart
setup_mdadm_conf
}
setup_mdadm_conf() {
local mods= mod=
if [ -n "$USE_RAID" ]; then
mdadm --detail --scan > /etc/mdadm.conf
rc-update --quiet add mdadm-raid boot
mods=$(awk '/^raid/ {print $1}' /proc/modules)
for mod in $mods; do
if ! grep -q "^$mod" /etc/modules; then
echo $mod >> /etc/modules
fi
done
fi
}
data_only_disk_install_lvm() {
local diskdev=
local vgname=vg0
local var_dev=/dev/$vgname/lv_var
local lvm_part_type=$(partition_id lvm)
local size=
unset BOOTLOADER
init_progs || return 1
confirm_erase $@ || return 1
if [ "$USE_RAID" ]; then
lvm_part_type=$(partition_id raid)
stop_all_raid
fi
for diskdev in "$@"; do
setup_partitions $diskdev "${size}${size:+M},$lvm_part_type" || return 1
done
setup_lvm_volume_group $vgname $@ || return 1
setup_lvm_swap $vgname
lvcreate --quiet -n ${var_dev##*/} -l 100%FREE $vgname
setup_mdadm_conf
rc-update add lvm boot
setup_var $var_dev
}
data_only_disk_install() {
local diskdev=
local var_dev=
local var_part_type=$(partition_id linux)
local swap_part_type=$(partition_id swap)
local size=
local swap_dev= var_dev=
unset BOOTLOADER
init_progs || return 1
confirm_erase $@ || return 1
if [ "$USE_RAID" ]; then
var_part_type=$(partition_id raid)
swap_part_type=$(partition_id raid)
stop_all_raid
fi
for diskdev in "$@"; do
setup_partitions $diskdev \
"${SWAP_SIZE}M,$swap_part_type" \
"${size}${size:+M},$var_part_type" || return 1
done
if [ "$USE_RAID" ]; then
if [ $SWAP_SIZE -gt 0 ]; then
swap_dev=/dev/md1
var_dev=/dev/md2
else
swap_dev=
var_dev=/dev/md1
fi
setup_non_boot_raid_dev "$swap_dev" $@ || return 1
setup_non_boot_raid_dev "$var_dev" $@ || return 1
else
swap_dev=$(find_nth_non_boot_parts 1 "$swap_part_type" $@)
var_dev=$(find_nth_non_boot_parts 1 "$var_part_type" $@)
fi
[ $SWAP_SIZE -gt 0 ] && setup_swap_dev $swap_dev
setup_var $var_dev
}
# setup
setup_root() {
local root_dev="$1" boot_dev="$2"
shift 2
local disks="$@" mkfs_args="-q"
[ "$ROOTFS" = "btrfs" ] && mkfs_args=""
mkfs.$ROOTFS $MKFS_OPTS_ROOT $mkfs_args "$root_dev"
mkdir -p "$SYSROOT"
mount -t $ROOTFS $root_dev "$SYSROOT" || return 1
if [ -n "$boot_dev" ] && [ -z "$USE_EFI" ]; then
mkdir -p "$SYSROOT"/boot
mount -t $BOOTFS $boot_dev "$SYSROOT"/boot || return 1
fi
if [ -n "$boot_dev" ] && [ -n "$USE_EFI" ]; then
mkdir -p "$SYSROOT"/boot/efi
mount -t $BOOTFS $boot_dev "$SYSROOT"/boot/efi || return 1
fi
setup_mdadm_conf
install_mounted_root "$SYSROOT" "$disks" || return 1
unmount_partitions "$SYSROOT"
swapoff -a
echo ""
echo "Installation is complete. Please reboot."
}
native_disk_install_lvm() {
local diskdev= vgname=vg0
local lvm_part_type=$(partition_id lvm)
local boot_part_type=$(partition_id linux)
local boot_size=${BOOT_SIZE:-100}
local lvm_size=
local root_dev=/dev/$vgname/lv_root
init_progs $(select_bootloader) || return 1
confirm_erase $@ || return 1
if [ -n "$USE_RAID" ]; then
boot_part_type=$(partition_id raid)
lvm_part_type=$(partition_id raid)
stop_all_raid
fi
if [ -n "$USE_EFI" ]; then
boot_part_type=$(partition_id esp)
fi
for diskdev in "$@"; do
if is_dasd $diskdev eckd; then
root_part_type="lvm"
setup_partitions_eckd $diskdev \
$boot_size 0 $root_part_type || return 1
else
setup_partitions $diskdev \
"${boot_size}M,$boot_part_type,*" \
"${lvm_size}${lvm_size:+M},$lvm_part_type" || return 1
fi
done
# will find BOOT_DEV for us
setup_boot_dev $@
setup_lvm_volume_group $vgname $@ || return 1
setup_lvm_swap $vgname
lvcreate --quiet -n ${root_dev##*/} -l 100%FREE $vgname
rc-update add lvm boot
setup_root $root_dev $BOOT_DEV
}
native_disk_install() {
local prep_part_type=$(partition_id prep)
local root_part_type=$(partition_id linux)
local swap_part_type=$(partition_id swap)