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#!/sbin/openrc-run
# Copyright 2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
description="udev Coldplug all Devices"
udevmonitor_log=/run/udevmonitor.log
udevmonitor_pid=/run/udevmonitor.pid
depend()
{
need udev
provide dev
keyword -lxc -systemd-nspawn -vserver
}
start_pre()
{
if yesno "${udev_monitor:-no}"; then
einfo "Running udevadm monitor ${udev_monitor_opts} to log all events"
start-stop-daemon --start --stdout "${udevmonitor_log}" \
--make-pidfile --pidfile "${udevmonitor_pid}" \
--background --exec /bin/udevadm -- monitor ${udev_monitor_opts}
fi
return 0
}
display_hotplugged_services()
{
local svcfile= svc= services=
for svcfile in "${RC_SVCDIR}"/hotplugged/*; do
svc="${svcfile##*/}"
[ -x "${svcfile}" ] || continue
services="${services} ${svc}"
done
[ -n "${services}" ] && einfo "Device initiated services:${HILITE}${services}${NORMAL}"
return 0
}
start_post()
{
if yesno "${udev_monitor:-no}"; then
if yesno "${udev_monitor_keep_running:-no}"; then
ewarn "udevmonitor is still writing into ${udevmonitor_log}"
else
einfo "Stopping udevmonitor: Log is in ${udevmonitor_log}"
start-stop-daemon --stop --pidfile "${udevmonitor_pid}" \
--exec /bin/udevadm
fi
fi
display_hotplugged_services
return 0
}
# This is here because some software expects /dev/root to exist.
# For more information, see this bug:
# https://bugs.gentoo.org/show_bug.cgi?id=438380
dev_root_link()
{
local RULESDIR=/run/udev/rules.d
[ -d $RULESDIR ] || mkdir -p $RULESDIR
eval $(udevadm info --export --export-prefix=ROOT_ --device-id-of-file=/ ||
true)
[ "$ROOT_MAJOR" -a "$ROOT_MINOR" ] || return 0
# btrfs filesystems have bogus major/minor numbers
[ "$ROOT_MAJOR" != 0 ] || return 0
echo 'ACTION=="add|change", SUBSYSTEM=="block", ENV{MAJOR}=="'$ROOT_MAJOR'", ENV{MINOR}=="'$ROOT_MINOR'", SYMLINK+="root"' > $RULESDIR/61-dev-root-link.rules
return 0
}
start()
{
if yesno ${rc_dev_root_symlink:-yes}; then
ebegin "Generating a rule to create a /dev/root symlink"
dev_root_link
eend $?
fi
get_bootparam "nocoldplug" && rc_coldplug="no"
if ! yesno ${rc_coldplug:-${RC_COLDPLUG:-yes}}; then
einfo "Setting /dev permissions and symbolic links"
udevadm trigger --attr-match=dev --action=add
udevadm trigger --subsystem-match=net --action=add
rc=$?
ewarn "Skipping udev coldplug sequence"
return $rc
fi
ebegin "Populating /dev with existing devices through uevents"
udevadm trigger --type=subsystems --action=add
udevadm trigger --type=devices --action=add
eend $?
}
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