Current File : //lib/dracut/modules.d/90lvm/module-setup.sh
#!/bin/bash
# called by dracut
check() {
# No point trying to support lvm if the binaries are missing
require_binaries lvm || return 1
[[ $hostonly ]] || [[ $mount_needs ]] && {
for fs in "${host_fs_types[@]}"; do
[[ $fs = LVM*_member ]] && return 0
done
return 255
}
return 0
}
# called by dracut
depends() {
# We depend on dm_mod being loaded
echo rootfs-block dm
return 0
}
# called by dracut
cmdline() {
local _activated
declare -A _activated
for dev in "${!host_fs_types[@]}"; do
[ -e /sys/block/${dev#/dev/}/dm/name ] || continue
[ -e /sys/block/${dev#/dev/}/dm/uuid ] || continue
uuid=$(</sys/block/${dev#/dev/}/dm/uuid)
[[ "${uuid#LVM-}" == "$uuid" ]] && continue
dev=$(</sys/block/${dev#/dev/}/dm/name)
eval $(dmsetup splitname --nameprefixes --noheadings --rows "$dev" 2>/dev/null)
[[ ${DM_VG_NAME} ]] && [[ ${DM_LV_NAME} ]] || return 1
if ! [[ ${_activated[${DM_VG_NAME}/${DM_LV_NAME}]} ]]; then
printf " rd.lvm.lv=%s\n" "${DM_VG_NAME}/${DM_LV_NAME} "
_activated["${DM_VG_NAME}/${DM_LV_NAME}"]=1
fi
done
}
installkernel() {
hostonly='' instmods dm-snapshot
}
# called by dracut
install() {
local _i
inst lvm
if [[ $hostonly_cmdline == "yes" ]]; then
local _lvmconf=$(cmdline)
[[ $_lvmconf ]] && printf "%s\n" "$_lvmconf" >> "${initdir}/etc/cmdline.d/90lvm.conf"
fi
inst_rules "$moddir/64-lvm.rules"
if [[ $hostonly ]] || [[ $lvmconf = "yes" ]]; then
if [ -f /etc/lvm/lvm.conf ]; then
inst_simple -H /etc/lvm/lvm.conf
# FIXME: near-term hack to establish read-only locking;
# use command-line lvm.conf editor once it is available
sed -i -e 's/\(^[[:space:]]*\)locking_type[[:space:]]*=[[:space:]]*[[:digit:]]/\1locking_type = 4/' ${initdir}/etc/lvm/lvm.conf
sed -i -e 's/\(^[[:space:]]*\)use_lvmetad[[:space:]]*=[[:space:]]*[[:digit:]]/\1use_lvmetad = 0/' ${initdir}/etc/lvm/lvm.conf
fi
export LVM_SUPPRESS_FD_WARNINGS=1
# Also install any files needed for LVM system id support.
if [ -f /etc/lvm/lvmlocal.conf ]; then
inst_simple -H /etc/lvm/lvmlocal.conf
fi
eval $(lvm dumpconfig global/system_id_source &>/dev/null)
if [ "$system_id_source" == "file" ]; then
eval $(lvm dumpconfig global/system_id_file)
if [ -f "$system_id_file" ]; then
inst_simple -H $system_id_file
fi
fi
unset LVM_SUPPRESS_FD_WARNINGS
fi
if ! [[ -e ${initdir}/etc/lvm/lvm.conf ]]; then
mkdir -p "${initdir}/etc/lvm"
{
echo 'global {'
echo 'locking_type = 4'
echo 'use_lvmetad = 0'
echo '}'
} > "${initdir}/etc/lvm/lvm.conf"
fi
inst_rules 11-dm-lvm.rules 69-dm-lvm-metad.rules
# Do not run lvmetad update via pvscan in udev rule - lvmetad is not running yet in dracut!
if [[ -f ${initdir}/lib/udev/rules.d/69-dm-lvm-metad.rules ]]; then
if grep -q SYSTEMD_WANTS ${initdir}/lib/udev/rules.d/69-dm-lvm-metad.rules; then
sed -i -e 's/^ENV{SYSTEMD_ALIAS}=.*/# No LVM pvscan in dracut - lvmetad is not running yet/' \
${initdir}/lib/udev/rules.d/69-dm-lvm-metad.rules
sed -i -e 's/^ENV{ID_MODEL}=.*//' ${initdir}/lib/udev/rules.d/69-dm-lvm-metad.rules
sed -i -e 's/^ENV{SYSTEMD_WANTS}=.*//' ${initdir}/lib/udev/rules.d/69-dm-lvm-metad.rules
else
sed -i -e 's/.*lvm pvscan.*/# No LVM pvscan for in dracut - lvmetad is not running yet/' \
${initdir}/lib/udev/rules.d/69-dm-lvm-metad.rules
fi
fi
# Gentoo ebuild for LVM2 prior to 2.02.63-r1 doesn't install above rules
# files, but provides the one below:
inst_rules 64-device-mapper.rules
# debian udev rules
inst_rules 56-lvm.rules 60-persistent-storage-lvm.rules
inst_script "$moddir/lvm_scan.sh" /sbin/lvm_scan
inst_hook cmdline 30 "$moddir/parse-lvm.sh"
inst_libdir_file "libdevmapper-event-lvm*.so"
if [[ $hostonly ]] && find_binary lvs &>/dev/null; then
for dev in "${!host_fs_types[@]}"; do
[ -e /sys/block/${dev#/dev/}/dm/name ] || continue
dev=$(</sys/block/${dev#/dev/}/dm/name)
eval $(dmsetup splitname --nameprefixes --noheadings --rows "$dev" 2>/dev/null)
[[ ${DM_VG_NAME} ]] && [[ ${DM_LV_NAME} ]] || continue
case "$(lvs --noheadings -o segtype ${DM_VG_NAME} 2>/dev/null)" in
*thin*|*cache*|*era*)
inst_multiple -o thin_dump thin_restore thin_check thin_repair \
cache_dump cache_restore cache_check cache_repair \
era_check era_dump era_invalidate era_restore
break;;
esac
done
fi
if ! [[ $hostonly ]]; then
inst_multiple -o thin_dump thin_restore thin_check thin_repair \
cache_dump cache_restore cache_check cache_repair \
era_check era_dump era_invalidate era_restore
fi
dracut_need_initqueue
}
Mini Shell