146 lines
4.1 KiB
Plaintext
146 lines
4.1 KiB
Plaintext
#!/sbin/openrc-run
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# Copyright 1999-2017 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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_get_lvm_path() {
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local lvm_path=
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for lvm_path in /bin/lvm /sbin/lvm ; do
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[ -x "$lvm_path" ] && break
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done
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echo "${lvm_path}"
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}
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_need_lvmetad()
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{
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local lvm_path="$(_get_lvm_path)"
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[ ! -x "${lvm_path}" ] && return 1
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${lvm_path} dumpconfig global 2>/dev/null | grep -q 'use_lvmetad=1'
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}
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_need_lvmlockd()
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{
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local lvm_path="$(_get_lvm_path)"
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[ ! -x "${lvm_path}" ] && return 1
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${lvm_path} dumpconfig global 2>/dev/null | grep -q 'use_lvmlockd=1'
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}
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depend() {
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before checkfs fsck
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after modules device-mapper
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# We may use lvmetad based on the configuration. If we added lvmetad
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# support while lvm2 is running then we aren't dependent on it. For the
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# more common case, if its disabled in the config we aren't dependent
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# on it.
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config /etc/lvm/lvm.conf
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local _need=
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if service_started; then
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_need=$(service_get_value need)
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else
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if _need_lvmetad; then
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_need="${_need} lvmetad"
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fi
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if _need_lvmlockd; then
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_need="${_need} lvmlockd"
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fi
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fi
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need sysfs ${_need}
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}
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config='global { locking_dir = "/run/lock/lvm" }'
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dm_in_proc() {
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local retval=0
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for x in devices misc ; do
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grep -qs 'device-mapper' /proc/${x}
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retval=$((${retval} + $?))
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done
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return ${retval}
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}
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start() {
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# LVM support for /usr, /home, /opt ....
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# This should be done *before* checking local
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# volumes, or they never get checked.
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# NOTE: Add needed modules for LVM or RAID, etc
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# to /etc/modules.autoload if needed
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lvm_path="$(_get_lvm_path)"
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for lvm_path in /bin/lvm /sbin/lvm ; do
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[ -x "$lvm_path" ] && break
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done
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if [ ! -x "$lvm_path" ]; then
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eerror "Cannot find lvm binary in /sbin or /bin!"
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return 1
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fi
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if [ -z "${CDBOOT}" ] ; then
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if [ -e /proc/modules ] && ! dm_in_proc ; then
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modprobe dm-mod 2>/dev/null
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fi
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if [ -d /proc/lvm ] || dm_in_proc ; then
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ebegin "Setting up the Logical Volume Manager"
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#still echo stderr for debugging
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lvm_commands="#!${lvm_path}\n"
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# Extra PV find pass because some devices might not have been available until very recently
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lvm_commands="${lvm_commands}pvscan --config '${config}'\n"
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# Now make the nodes
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lvm_commands="${lvm_commands}vgscan --config '${config}' --mknodes\n"
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# And turn them on!
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lvm_commands="${lvm_commands}vgchange --config '${config}' --sysinit -a ly\n"
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if _need_lvmlockd; then
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# Start lockd VGs as required
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lvm_commands="${lvm_commands}vgchange --config '${config}' --lock-start --lock-opt auto\n"
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fi
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# Order of this is important, have to work around dash and LVM readline
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printf "%b\n" "${lvm_commands}" | $lvm_path /proc/self/fd/0 >/dev/null
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eend $? "Failed to setup the LVM"
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fi
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fi
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}
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start_post()
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{
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# Save if we needed lvmetad
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if _need_lvmetad; then
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service_set_value need lvmetad
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fi
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}
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stop() {
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for lvm_path in /bin/lvm /sbin/lvm ; do
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[ -x "$lvm_path" ] && break
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done
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if [ ! -x "$lvm_path" ]; then
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eerror "Cannot find lvm binary in /sbin or /bin!"
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return 1
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fi
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# Stop LVM2
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if [ -x /sbin/vgs ] && \
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[ -x /sbin/vgchange ] && \
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[ -x /sbin/lvchange ] && \
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[ -f /etc/lvmtab -o -d /etc/lvm ] && \
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[ -d /proc/lvm -o "`grep device-mapper /proc/misc 2>/dev/null`" ]
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then
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einfo "Shutting down the Logical Volume Manager"
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VGS=$($lvm_path vgs --config "${config}" -o vg_name --noheadings --nosuffix --rows 2> /dev/null)
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if [ "$VGS" ]
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then
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ebegin " Shutting Down LVs & VGs"
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#still echo stderr for debugging
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lvm_commands="#!${lvm_path}\n"
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# Extra PV find pass because some devices might not have been available until very recently
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lvm_commands="${lvm_commands}lvchange --config '${config}' --sysinit -a ln ${VGS}\n"
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# Now make the nodes
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lvm_commands="${lvm_commands}vgchange --config '${config}' --sysinit -a ln ${VGS}\n"
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# Order of this is important, have to work around dash and LVM readline
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printf "%b\n" "${lvm_commands}" | $lvm_path /proc/self/fd/0 --config "${config}" >/dev/null
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eend $? "Failed (possibly some LVs still needed for /usr or root)"
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fi
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einfo "Finished shutting down the Logical Volume Manager"
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return 0
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fi
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}
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# vim:ts=4
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