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@ -1,6 +1,7 @@
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#!/bin/sh
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#!/bin/sh
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. /etc/initrd.d/00-common.sh
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. /etc/initrd.d/00-common.sh
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. /etc/initrd.d/00-devmgr.sh
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mount_sysfs() {
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mount_sysfs() {
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mount -t sysfs sysfs /sys -o noexec,nosuid,nodev \
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mount -t sysfs sysfs /sys -o noexec,nosuid,nodev \
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@ -51,4 +52,165 @@ get_device_fstype() {
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bad_msg "Cannot resolve device: ${1}"
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bad_msg "Cannot resolve device: ${1}"
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return 1
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return 1
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fi
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fi
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}
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}
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media_find() {
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# $1 = mount dir name / media name
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# $2 = recognition file
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# $3 = variable to have the device path
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# $4 = actual mount dir path (full path)
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# args remaining are possible devices
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local media="${1}" recon="${2}" vrbl="${3}" mntdir="${4}"
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shift 4
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good_msg "Looking for the ${media}"
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if [ "$#" -gt "0" ]; then
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[ ! -d "${mntdir}" ] && \
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mkdir -p "${mntdir}" 2>/dev/null >/dev/null
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local mntcddir="${mntdir}"
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if [ -n "${ISOBOOT}" ]; then
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mntcddir="${mntdir%${media}}iso"
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if [ ! -f "${mntcddir}" ]; then
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mkdir "${mntcddir}"
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fi
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fi
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for x in ${*}; do
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# Check for a block device to mount
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if [ ! -b "${x}" ]; then
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continue
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fi
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#
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# If disk and it has at least one partition, skip.
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# We use /sys/block/${bsn}/${bsn}[0-9]* to make sure that we
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# don't skip device mapper devices. Even the craziest scenario
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# deserves a fair chance.
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#
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local bsn=$(basename "${x}")
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local bpath="/sys/block/${bsn}"
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local parts=$(find "${bpath}/" \
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-regex "${bpath}/${bsn}[0-9]" -type d 2>/dev/null)
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[ -n "${parts}" ] && continue
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good_msg "Attempting to mount media: ${x}"
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mount -r -t "${CDROOT_TYPE}" "${x}" "${mntcddir}" >/dev/null 2>&1 \
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|| continue
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if [ -n "${ISOBOOT}" ] && [ -f "${mntcddir}/${ISOBOOT}" ]; then
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mount -o loop "${mntcddir}/${ISOBOOT}" "${mntdir}" && \
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good_msg "iso mounted on ${mntdir}"
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fi
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# Check for the media
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if [ -f "${mntdir}/${recon}" ]; then
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# Set REAL_ROOT, CRYPT_ROOT_KEYDEV or whatever ${vrbl} is
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eval ${vrbl}'='"${x}"
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good_msg "Media found on ${x}"
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break
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else
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umount "${mntcddir}"
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fi
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done
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fi
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eval local result='$'${vrbl}
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[ -n "${result}" ] || bad_msg "Media not found"
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}
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setup_md_device() {
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if ! is_mdev; then
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# mdev requires manual device node creation, while udev doesn't
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# make sure that all the udev events are complete
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is_udev && udevadm settle
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return 0
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fi
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local device=
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[ -n "${1}" ] && device="${1}"
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[ -z "${1}" ] && device="${REAL_ROOT}"
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[ -z "${device}" ] && return 0
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local md_dev=$(echo ${device} | sed -e \
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's#\(luks:\)\?\(/dev/md\)[[:digit:]]\+#\2#')
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if [ "${md_dev}" = "/dev/md" ]; then
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good_msg 'Detected root as a md device. Setting up the device node...'
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local md_number=$(echo ${device} | sed -e \
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's#\(luks:\)\?/dev/md\([[:digit:]]\+\)#\2#')
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if [ ! -e "/dev/md${md_number}" ]; then
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mknod "/dev/md${md_number}" b 9 "${md_number}" >/dev/null 2>&1
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[ $? -ne 0 ] && bad_msg "Creation of /dev/md${md_number} failed..."
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fi
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mdstart ${MDPART} "/dev/md${md_number}"
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fi
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}
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start_volumes() {
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# Here, we check for /dev/device-mapper, and if it exists, we setup a
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# a symlink, which should hopefully fix bug #142775 and bug #147015
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if [ -e /dev/device-mapper ] && [ ! -e /dev/mapper/control ]; then
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mkdir -p /dev/mapper
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ln -sf /dev/device-mapper /dev/mapper/control
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fi
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if [ "${USE_MDADM}" = "1" ]; then
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good_msg "Activating md raid devices"
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mdadm --assemble --scan || \
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bad_msg "mdadm failed to run, skipping raid assembly!"
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fi
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if [ "${USE_MULTIPATH_NORMAL}" = "1" ]; then
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good_msg "Scanning for multipath devices"
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multipath -v 0
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# TODO(lxnay): horrible sleep!
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sleep 2
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good_msg "Activating multipath devices"
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dmsetup ls --target multipath --exec "/sbin/kpartx -a -v"
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fi
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if [ "${USE_DMRAID_NORMAL}" = "1" ]; then
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good_msg "Activating device-mapper raid devices"
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dmraid -ay ${DMRAID_OPTS} || \
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bad_msg "dmraid failed to run, skipping raid assembly!"
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fi
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if [ "${USE_LVM_NORMAL}" = "1" ]; then
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for dev in ${RAID_DEVICES}; do
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setup_md_device "${dev}"
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done
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# This is needed for /sbin/lvm to accept the following logic
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local cmds="#! /sbin/lvm"
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# If there is a cahe, update it. Unbreak at least dmcrypt
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[ -d /etc/lvm/cache ] && cmds="${cmds} \nvgscan"
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# To activate volumegroups on all devices in the cache
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cmds="${cmds} \nvgchange -ay --sysinit"
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if is_mdev; then
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# To create symlinks so users can use
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# real_root=/dev/vg/root
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# This needs to run after vgchange, using
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# vgchange --mknodes is too early.
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cmds+="${cmds} \nvgmknodes --ignorelockingfailure"
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fi
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# And finally execute it all (/proc/... needed if lvm
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# is compiled without readline)
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good_msg "Activating Logical Volume Groups"
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printf "%b\n" "${cmds}" | lvm /proc/self/fd/0 || \
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bad_msg "lvm failed to run, cannot activate logical volumes!"
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fi
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is_udev && udevadm settle
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}
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Fabio Erculiani
12 years ago