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improve hostonly mode

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This commit is contained in:
illiliti 2020-02-06 19:21:00 +03:00
parent ce0f46e164
commit 693dc4f519
1 changed files with 79 additions and 57 deletions
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@ -90,6 +90,16 @@ install_udev() {
# handle lvm # handle lvm
install_lvm() { install_lvm() {
install_binaries lvm install_binaries lvm
# if hostonly mode enabled install only needed drivers
[ "$hostonly" = 1 ] && {
for lvm_driver in dm-thin-pool dm-multipath dm-snapshot dm-cache dm-log dm-mirror; do
for lvm_driver_dep in $(modprobe -D "$lvm_driver" 2>/dev/null | cut -d " " -f 2); do
install -Dm644 "$lvm_driver_dep" "${tmpdir}${lvm_driver_dep}" 2>/dev/null
done
done
}
# FIXME this code doesn't working with udev # FIXME this code doesn't working with udev
#mkdir "$tmpdir/etc/lvm" #mkdir "$tmpdir/etc/lvm"
# use_lvmetad = 0 - avoid lvmetad missing warning message # use_lvmetad = 0 - avoid lvmetad missing warning message
@ -106,6 +116,15 @@ install_lvm() {
install_luks() { install_luks() {
install_binaries cryptsetup install_binaries cryptsetup
# if hostonly mode enabled install only needed drivers
[ "$hostonly" = 1 ] && {
for luks_driver in aes dm-crypt sha256 sha512 wp512 ecb lrw xts twofish serpent; do
for luks_driver_dep in $(modprobe -D "$luks_driver" 2>/dev/null | cut -d " " -f 2); do
install -Dm644 "$luks_driver_dep" "${tmpdir}${luks_driver_dep}" 2>/dev/null
done
done
}
# avoid locking directory missing warning message # avoid locking directory missing warning message
mkdir "${tmpdir}/run/cryptsetup" mkdir "${tmpdir}/run/cryptsetup"
@ -118,70 +137,64 @@ install_luks() {
# copy luks header # copy luks header
[ -f "$luks_header" ] && { [ -f "$luks_header" ] && {
install -m600 "$luks_header" "${tmpdir}/root/luks_header" install -m400 "$luks_header" "${tmpdir}/root/luks_header"
luks_args="--header=/root/luks_header $luks_args" luks_args="--header=/root/luks_header $luks_args"
} }
# copy luks keyfile # copy luks keyfile
[ -f "$luks_keyfile" ] && { [ -f "$luks_keyfile" ] && {
install -m600 "$luks_keyfile" "${tmpdir}/root/luks_keyfile" install -m400 "$luks_keyfile" "${tmpdir}/root/luks_keyfile"
luks_args="--key-file=/root/luks_keyfile $luks_args" luks_args="--key-file=/root/luks_keyfile $luks_args"
} }
} }
# install drivers # install drivers
install_drivers() { install_drivers() {
modker="${moddir}${kernel}" [ -n "$root_type" ] || panic "hostonly mode required root_type option to be configured"
# TODO reimplement using functions
if [ "$hostonly" = 1 ]; then # perform autodetection of drivers via /sys
[ -n "$root_type" ] || panic "hostonly mode required root_type option to be configured" for driver in $(find /sys/devices -name modalias -exec sort -u "{}" "+"); do
for driver in $(find /sys/devices -name modalias -exec sort -u "{}" "+"); do for driver_dep in $(modprobe -D "$driver" 2>/dev/null | cut -d " " -f 2); do
for driver_dep in $(modprobe -D "$driver" 2>/dev/null | cut -d " " -f 2); do install -Dm644 "$driver_dep" "${tmpdir}${driver_dep}" 2>/dev/null
install -Dm644 "$driver_dep" "${tmpdir}${driver_dep}" done
done
# TODO autodetect root fs driver
# TODO separate root type option
# install root fs driver
for root_driver in $(modprobe -D "$root_type" 2>/dev/null | cut -d " " -f 2); do
install -Dm644 "$root_driver" "${tmpdir}${root_driver}" 2>/dev/null
done
# install user specified drivers
[ -n "$drivers" ] && {
for custom_driver in $(printf "%s\n" "$drivers" | tr " " "\n"); do
for custom_driver_dep in $(modprobe -D "$custom_driver" 2>/dev/null | cut -d " " -f 2); do
install -Dm644 "$custom_driver_dep" "${tmpdir}${custom_driver_dep}" 2>/dev/null
done done
done done
}
}
# TODO separate root type option # find and install all drivers
# install root fs driver install_all_drivers() {
for root_driver in $(modprobe -D "$root_type" 2>/dev/null | cut -d " " -f 2); do find \
install -Dm644 "$root_driver" "${tmpdir}${root_driver}" "${modker}/kernel/arch" \
done "${modker}/kernel/crypto" \
"${modker}/kernel/fs" \
# TODO move to install_luks function "${modker}/kernel/lib" \
# install LUKS drivers "${modker}/kernel/drivers/block" \
[ "$use_luks" = 1 ] && { "${modker}/kernel/drivers/ata" \
for luks_driver in aes dm-crypt sha256 sha512 wp512 ecb lrw xts twofish serpent; do "${modker}/kernel/drivers/md" \
for luks_driver_dep in $(modprobe -D "$luks_driver" 2>/dev/null | cut -d " " -f 2); do "${modker}/kernel/drivers/scsi" \
install -Dm644 "$luks_driver_dep" "${tmpdir}${luks_driver_dep}" "${modker}/kernel/drivers/usb/storage" \
done "${modker}/kernel/drivers/usb/host" \
done "${modker}/kernel/drivers/virtio" \
} -type f | cpio -pd "$tmpdir" >/dev/null 2>&1
}
# TODO move to install_lvm function
# install LVM drivers
[ "$use_lvm" = 1 ] && {
for lvm_driver in dm-thin-pool dm-multipath dm-snapshot dm-cache dm-log dm-mirror; do
for lvm_driver_dep in $(modprobe -D "$lvm_driver" 2>/dev/null | cut -d " " -f 2); do
install -Dm644 "$lvm_driver_dep" "${tmpdir}${lvm_driver_dep}"
done
done
}
else
find \
"${modker}/kernel/drivers/virtio" \
"${modker}/kernel/arch" \
"${modker}/kernel/crypto" \
"${modker}/kernel/fs" \
"${modker}/kernel/lib" \
"${modker}/kernel/drivers/block" \
"${modker}/kernel/drivers/ata" \
"${modker}/kernel/drivers/md" \
"${modker}/kernel/drivers/scsi" \
"${modker}/kernel/drivers/usb/storage" \
"${modker}/kernel/drivers/usb/host" \
-type f | cpio -pd "$tmpdir" >/dev/null 2>&1
fi
# generate "modules" files
generate_depmod() {
# install list of drivers # install list of drivers
cp "${modker}/modules.softdep" "${modker}/modules.builtin" "${modker}/modules.order" "${tmpdir}/${modker}" cp "${modker}/modules.softdep" "${modker}/modules.builtin" "${modker}/modules.order" "${tmpdir}/${modker}"
@ -233,10 +246,11 @@ install_libraries() {
done done
} }
# install important files
install_files() { install_files() {
# FIXME eof broken # FIXME eof broken
# initialize config # initialize config
cat <<EOF > "${tmpdir}/config" cat <<EOF > "${tmpdir}/config"
debug="$debug" debug="$debug"
root="$root" root="$root"
root_type="$root_type" root_type="$root_type"
@ -249,8 +263,8 @@ luks_root="$luks_root"
luks_args="$luks_args" luks_args="$luks_args"
EOF EOF
# needed for devmgr # needed for devmgr
cat <<EOF > "${tmpdir}/etc/group" cat <<EOF > "${tmpdir}/etc/group"
root:x:0: root:x:0:
tty:x:5: tty:x:5:
dialout:x:11: dialout:x:11:
@ -267,8 +281,8 @@ kvm:x:24:
floppy:x:8: floppy:x:8:
EOF EOF
# needed for devmgr # needed for devmgr
cat <<EOF > "${tmpdir}/etc/passwd" cat <<EOF > "${tmpdir}/etc/passwd"
root:x:0:0::/root:/bin/sh root:x:0:0::/root:/bin/sh
nobody:x:99:99::/:/bin/false nobody:x:99:99::/:/bin/false
EOF EOF
@ -312,6 +326,7 @@ check_currentdir
tmpdir="$(mktemp -d /tmp/initramfs.XXXXXXXX)" || panic "failed to create working directory" tmpdir="$(mktemp -d /tmp/initramfs.XXXXXXXX)" || panic "failed to create working directory"
kernel="$(uname -r)" kernel="$(uname -r)"
moddir="/lib/modules/" moddir="/lib/modules/"
modker="${moddir}${kernel}"
check_requirements check_requirements
@ -320,7 +335,14 @@ create_symlinks
#parse_fstab #parse_fstab
#parse_crypttab #parse_crypttab
install_binaries $binaries install_binaries $binaries
install_drivers
if [ "$hostonly" = 1 ]; then
install_drivers
else
install_all_drivers
fi
generate_depmod
# handle device manager # handle device manager
case "$devmgr" in case "$devmgr" in