diff options
Diffstat (limited to 'nonsystemd/lvm2-openrc/lvm.initd')
| -rw-r--r-- | nonsystemd/lvm2-openrc/lvm.initd | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/nonsystemd/lvm2-openrc/lvm.initd b/nonsystemd/lvm2-openrc/lvm.initd new file mode 100644 index 000000000..2bda7bd9f --- /dev/null +++ b/nonsystemd/lvm2-openrc/lvm.initd @@ -0,0 +1,173 @@ +#!/usr/bin/openrc-run +# Copyright 1999-2020 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +_get_lvm_path() { + local lvm_path= + for lvm_path in /bin/lvm /usr/bin/lvm ; do + [ -x "${lvm_path}" ] && break + done + echo "${lvm_path}" +} + +_use_lvmetad() { + local lvm_path="$(_get_lvm_path)" + [ ! -x "${lvm_path}" ] && return 1 + ${lvm_path} dumpconfig global 2>/dev/null | grep -q 'use_lvmetad=1' +} + +_use_lvmlockd() { + local lvm_path="$(_get_lvm_path)" + [ ! -x "${lvm_path}" ] && return 1 + ${lvm_path} dumpconfig global 2>/dev/null | grep -q 'use_lvmlockd=1' +} + +depend() { + before checkfs fsck + after modules device-mapper + # We may want lvmetad based on the configuration. If we added lvmetad + # support while lvm2 is running then we aren't dependent on it. For the + # more common case, if its disabled in the config we aren't dependent + # on it. + config /etc/lvm/lvm.conf + local _want= + + if service_started ; then + _want=$(service_get_value want) + else + if _use_lvmetad ; then + _want="${_want} lvmetad" + fi + + if _use_lvmlockd ; then + _want="${_want} lvmlockd" + fi + fi + + # Make sure you review /etc/conf.d/lvm as well! + # Depending on your system, it might also introduce udev & mdraid + need sysfs + + if [ -n "${_want}" ] ; then + want ${_want} + fi +} + +config='global { locking_dir = "/run/lock/lvm" }' + +dm_in_proc() { + local retval=0 + for x in devices misc ; do + grep -qs 'device-mapper' /proc/${x} + retval=$((${retval} + $?)) + done + return ${retval} +} + +start() { + # LVM support for /usr, /home, /opt .... + # This should be done *before* checking local + # volumes, or they never get checked. + + # NOTE: Add needed modules for LVM or RAID, etc + # to /etc/modules.autoload if needed + + lvm_path="$(_get_lvm_path)" + if [ -z "${lvm_path}" ] ; then + eerror "Failed to find lvm binary in /bin or /sbin!" + return 1 + fi + + if [ -z "${CDBOOT}" ] ; then + if [ -e /proc/modules ] && ! dm_in_proc ; then + ebegin "Trying to load dm-mod module" + modprobe dm-mod 2>/dev/null + eend $? + fi + + if [ -d /proc/lvm ] || dm_in_proc ; then + local has_errors=0 verbose_command + + yesno "${rc_verbose}" && verbose_command=" -v" + + ebegin "Starting the Logical Volume Manager" + + if _use_lvmetad ; then + # Extra PV find pass because some devices might not have been available until very recently + ${lvm_path} pvscan${verbose_command} --config "${config}" --cache + [ $? -ne 0 ] && has_errors=1 + fi + + # Now make the nodes + ${lvm_path} vgscan${verbose_command} --config "${config}" --mknodes + [ $? -ne 0 ] && has_errors=1 + + # Enable all VGs + ${lvm_path} vgchange${verbose_command} --config "${config}" --sysinit --activate y + [ $? -ne 0 ] && has_errors=1 + + if _use_lvmlockd ; then + # Start lockd VGs as required + ${lvm_path} vgchange${verbose_command} --config "${config}" --lock-start --lock-opt auto + [ $? -ne 0 ] && has_errors=1 + fi + + eend ${has_errors} "Failed to start the Logical Volume Manager" + fi + fi +} + +start_post() { + local _want= + if _use_lvmetad ; then + _want="${_want} lvmetad" + fi + + if _use_lvmlockd ; then + _want="${_want} lvmlockd" + fi + + service_set_value want "${_want}" +} + +stop() { + lvm_path="$(_get_lvm_path)" + if [ -z "${lvm_path}" ] ; then + eerror "Failed to find lvm binary in /bin or /sbin!" + return 1 + fi + + # Stop LVM2 + if [ -f /etc/lvmtab -o -d /etc/lvm ] \ + && [ -d /proc/lvm -o "$(grep device-mapper /proc/misc 2>/dev/null)" ] + then + local VGS=$($lvm_path vgs --config "${config}" -o vg_name --noheadings --nosuffix --rows 2> /dev/null) + if [ -z "${VGS}" ] ; then + # nothing to do for us + return 0 + fi + + local has_errors=0 verbose_command eend_cmd="eend" + + yesno "${rc_verbose}" && verbose_command=" -v" + + local msg="Failed to stop Logical Volume Manager" + if [ "${RC_RUNLEVEL}" = shutdown ] ; then + # failures on shutdown are non-fatal + eend_cmd="ewend" + msg="${msg} (possibly some LVs still needed for /usr or root)" + fi + + ebegin "Stopping the Logical Volume Manager" + + ${lvm_path} vgchange${verbose_command} --config "${config}" --sysinit --activate n + [ $? -ne 0 ] && has_errors=1 + + ${eend_cmd} ${has_errors} "${msg}" + fi + + # at this point make sure we always exit without indicating an error + return 0 +} + +# vim:ts=4 |