aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorNatanael Copa <ncopa@alpinelinux.org>2011-04-08 14:00:23 +0000
committerNatanael Copa <ncopa@alpinelinux.org>2011-04-08 14:00:23 +0000
commit835d00cdb3fc4216b35fda857c03aa4c7cf586f2 (patch)
treeceb1cf0b78af5b1ad95ece2370a6e74d01825a6d
parent86aca48dfcec021f8a698c06cc823030700edf2f (diff)
downloadalpine-conf-835d00cdb3fc4216b35fda857c03aa4c7cf586f2.tar.bz2
alpine-conf-835d00cdb3fc4216b35fda857c03aa4c7cf586f2.tar.xz
setup-disk: support for lvm on top of raid
-rw-r--r--setup-disk.in132
1 files changed, 115 insertions, 17 deletions
diff --git a/setup-disk.in b/setup-disk.in
index 97ddb20..2a91c99 100644
--- a/setup-disk.in
+++ b/setup-disk.in
@@ -4,6 +4,8 @@ PREFIX=
. "$PREFIX/lib/libalpine.sh"
MBR=${MBR:-"/usr/share/syslinux/mbr.bin"}
+ROOTFS=${ROOTFS:-ext4}
+BOOTFS=${BOOTFS:-ext4}
in_list() {
local i="$1"
@@ -137,9 +139,20 @@ supported_boot_fs() {
return 1
}
+find_volume_group() {
+ local lv=${1##*/}
+ lvs --noheadings "$1" | awk "\$1 == \"$lv\" {print \$2}"
+}
+
+find_pvs_in_vg() {
+ local vg="$1"
+ pvs --noheadings | awk "\$2 == \"$vg\" {print \$1}"
+}
+
install_mounted_root() {
local mnt="$1" mnt_boot="$1" boot_fs= root_fs=
local initfs_features="ata base ide scsi usb virtio"
+ local pvs= dev=
rootdev=$(find_mount_dev "$mnt")
if [ -z "$rootdev" ]; then
@@ -151,6 +164,8 @@ install_mounted_root() {
if is_lvm "$rootdev"; then
initfs_features="$initfs_features lvm"
+ local vg=$(find_volume_group "$rootdev")
+ pvs=$(find_pvs_in_vg $vg)
fi
@@ -165,11 +180,17 @@ install_mounted_root() {
supported_boot_fs "$boot_fs" || return 1
mbrdisk=$(disk_from_part $bootdev)
- if [ -e "/sys/block/${rootdev#/dev/}/md" ]; then
- local md=${rootdev#/dev/}
- initfs_features="$initfs_features raid"
- raidmod=$(cat /sys/block/$md/md/level)
- raidmod=",$raidmod"
+
+ for dev in $rootdev $pvs; do
+ [ -e "/sys/block/${dev#/dev/}/md" ] || continue
+
+ local md=${dev#/dev/}
+ initfs_features="$(echo $initfs_features | sed 's/raid//') raid"
+ local level=$(cat /sys/block/$md/md/level)
+ case "$level" in
+ raid1) raidmod="$raidmod,$level";;
+ raid[456]) raidmod="$raidmod,raid456";;
+ esac
raidopt="-r"
# get a list of slaves
mbrdisk=
@@ -180,7 +201,7 @@ install_mounted_root() {
mbrdisk="$mbrdisk /dev/${i}"
fi
done
- fi
+ done
if [ -n "$VERBOSE" ]; then
echo "Root device: $rootdev"
echo "Root filesystem: $root_fs"
@@ -198,8 +219,12 @@ install_mounted_root() {
fi
# generate mkinitfs.conf
- mkdir -p "$mnt"/etc/mkinitfs
+ mkdir -p "$mnt"/etc/mkinitfs/files.d
echo "features=\"$initfs_features\"" > "$mnt"/etc/mkinitfs/mkinitfs.conf
+ if [ -n "$raidmod" ]; then
+ echo "/sbin/mdadm" > "$mnt"/etc/mkinitfs/files.d/raid
+ echo "/etc/mdadm.conf" >> "$mnt"/etc/mkinitfs/files.d/raid
+ fi
# generate the fstab
if [ -f "$mnt"/etc/fstab ]; then
@@ -214,13 +239,13 @@ EOF
# remove the installed db in case its there so we force re-install
rm -f "$mnt"/var/lib/apk/installed "$mnt"/lib/apk/db/installed
- echon "Installing system on $rootdev: "
+ echo "Installing system on $rootdev:"
# apk reads config from target root so we need to copy the config
mkdir -p "$mnt"/etc/apk/keys/
cp /etc/apk/keys/* "$mnt"/etc/apk/keys/
- local apkflags="--quiet --progress --update-cache --clean-protected"
+ local apkflags="--initdb --quiet --progress --update-cache --clean-protected"
local pkgs=$(cat "$mnt"/etc/apk/world "$mnt"/var/lib/apk/world 2>/dev/null)
pkgs="$pkgs acct linux-$KERNEL_FLAVOR alpine-base"
local repos=$(sed -e 's/\#.*//' /etc/apk/repositories)
@@ -350,7 +375,8 @@ stop_all_raid() {
done
}
-native_disk_install() {
+# obsolete
+old_native_disk_install() {
local rootdisk_dev="$1"
local i size
local boot_size=100 boot_part_type="83"
@@ -475,7 +501,7 @@ EOF
init_progs() {
local raidpkg=
[ -n "$USE_RAID" ] && raidpkg="mdadm"
- apk_add -q sfdisk e2fsprogs lvm2 $raidpkg
+ apk_add -q sfdisk e2fsprogs lvm2 $raidpkg $@
}
show_disk_info() {
@@ -541,7 +567,6 @@ find_lvm_partition() {
# set up boot device. We only use raid1 for boot devices if any raid
setup_boot_dev() {
- local bootfs=ext4
local disk= bootdev=
local part=$(for disk in $@; do find_boot_partition $disk; done)
set -- $part
@@ -558,7 +583,7 @@ setup_boot_dev() {
--metadata=0.90 --quiet --run $@ $missing || return 1
bootdev=/dev/md0
fi
- mkfs.$bootfs -q $bootdev
+ mkfs.$BOOTFS -q $bootdev
BOOT_DEV="$bootdev"
}
@@ -662,6 +687,13 @@ setup_var() {
/etc/init.d/syslog --quiet restart
}
+setup_mdadm_conf() {
+ if [ -n "$USE_RAID" ]; then
+ mdadm --detail --scan > /etc/mdadm.conf
+ rc-update --quiet add mdadm-raid boot
+ fi
+}
+
data_only_disk_install() {
local diskdev=
local vgname=vg0
@@ -686,18 +718,72 @@ data_only_disk_install() {
setup_lvm_volume_group $vgname $@ || return 1
setup_lvm_swap $vgname
lvcreate --quiet -n ${var_dev##*/} -l 100%FREE $vgname
+ setup_mdadm_conf
setup_var $var_dev
+}
+
+# setup
+setup_root() {
+ local root_dev="$1" boot_dev="$2"
+ mkfs.$ROOTFS -q "$root_dev"
+ mkdir -p /mnt
+ mount -t $ROOTFS $root_dev /mnt || return 1
+ if [ -n "$boot_dev" ]; then
+ mkdir -p /mnt/boot
+ mount -t $BOOTFS $boot_dev /mnt/boot || return 1
+ fi
+
+ setup_mdadm_conf
+ install_mounted_root /mnt || return 1
+ unmount_partitions /mnt
+ swapoff -a
+ fix_mbr_all_disks
+
+ echo ""
+ echo "Installation is done. Please reboot."
+}
+
+native_disk_install() {
+ local diskdev= vgname=vg0
+ local lvm_part_type="8e"
+ local raid_part_type="fd"
+ local boot_part_type="83"
+ local boot_size=${BOOT_SIZE:-100}
+ local lvm_size=
+ local root_dev=/dev/$vgname/lv_root
+
+ init_progs syslinux || return 1
+ confirm_erase $@ || return 1
if [ -n "$USE_RAID" ]; then
- mdadm --detail --scan > /etc/mdadm.conf
- rc-update --quiet add mdadm-raid boot
+ boot_part_type="fd"
+ lvm_part_type="fd"
+ stop_all_raid
fi
+ for diskdev in "$@"; do
+ setup_partitions $diskdev \
+ "$boot_size,$boot_part_type,*" \
+ "$lvm_size,$lvm_part_type" || return 1
+ 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
+ setup_root $root_dev $BOOT_DEV
}
diskselect_help() {
cat <<__EOF__
-TODO
+The disk you select can be used for either traditional disk install
+data-only install.
+
+The disk will be erased.
+
+Select 'none' if you want run diskless.
__EOF__
}
@@ -705,7 +791,19 @@ __EOF__
diskmode_help() {
cat <<__EOF__
-TODO
+You can select between 'root' or 'data'.
+
+* root
+ This mode is a traditional disk install. A /boot partition, / (root) and
+ swap will be created.
+
+ Use this mode for development boxes, desktops, virtual servers etc.
+
+* data
+ This mode let you use your disk for data-only. The system itself will run
+ from tmpfs (RAM).
+
+ Use this mode is you want use disk only for mailspool, databases, logs etc.
__EOF__
}