143 lines
3.5 KiB
Plaintext
143 lines
3.5 KiB
Plaintext
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#!/bin/bash
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#
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# /etc/rc.shutdown
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#
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. /etc/rc.conf
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. /etc/rc.d/functions
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# don't let all the systemd tools be too verbose
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export SYSTEMD_LOG_LEVEL="notice"
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# avoid staircase effect
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stty onlcr
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echo " "
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printhl "Initiating shutdown..."
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echo " "
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run_hook shutdown_start
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[[ -x /etc/rc.local.shutdown ]] && /etc/rc.local.shutdown
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stop_all_daemons
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#status 'Saving random seed' /usr/lib/systemd/systemd-random-seed save
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stat_busy "Saving Random Seed"
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RANDOM_SEED=/var/lib/misc/random-seed
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install -TDm 0600 /dev/null $RANDOM_SEED
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POOL_FILE=/proc/sys/kernel/random/poolsize
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if [[ -r $POOL_FILE ]]; then
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read POOL_SIZE < $POOL_FILE
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(( POOL_SIZE /= 8 ))
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else
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POOL_SIZE=512
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fi
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dd if=/dev/urandom of=$RANDOM_SEED count=1 bs=$POOL_SIZE &>/dev/null
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stat_done
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[[ $TIMEZONE ]] && status "Configuring time zone" set_timezone "$TIMEZONE"
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# Write to wtmp file before unmounting
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halt -w
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# stop monitoring of LVM2 groups before unmounting filesystems
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[[ $USELVM = [Yy][Ee][Ss] && -x $(type -P lvm) ]] &&
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status "Deactivating monitoring of LVM2 groups" vgchange --monitor n
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# any future uevents can and should be ignored
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status "Shutting down udev" udevadm control --exit
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run_hook shutdown_prekillall
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kill_all
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run_hook shutdown_postkillall
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run_hook shutdown_preumount
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# unmount any non-API partitions that are backed by swap; we don't want to
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# move their contents into memory (waste of time and might caues OOM).
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status "Unmounting swap-backed filesystems" umount_all "tmpfs"
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# almost everything is dead now, so the swap should hopefully be relatively
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# empty, and quick to switch off
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status "Deactivating swap" swapoff -a
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status "Unmounting non-API filesystems" umount_all
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run_hook shutdown_postumount
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# Kill non-root encrypted partition mappings
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if [[ -f /etc/crypttab ]] && type -p cryptsetup >/dev/null; then
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# Maybe someone has LVM on an encrypted block device
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# executing an extra vgchange is errorless
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[[ $USELVM = [Yy][Ee][Ss] ]] && vgchange --sysinit -a n &>/dev/null
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read_crypttab do_lock
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fi
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[[ $USELVM = [Yy][Ee][Ss] && -x $(type -P lvm) ]] &&
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status "Deactivating LVM2 groups" vgchange --sysinit -a n &>/dev/null
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run_hook shutdown_poweroff
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if [[ -x /run/initramfs/shutdown ]]; then
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# decide what we want to do
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if [[ $RUNLEVEL = 0 ]]; then
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action="poweroff"
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else
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{ read kexec_loaded </sys/kernel/kexec_loaded; } 2>/dev/null
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if (( kexec_loaded )); then
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action="kexec"
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else
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action="reboot"
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fi
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fi
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# make /run/initramfs a mount
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mount --bind /run/initramfs /run/initramfs
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# in case someone has shared our mountpoints, unshare them
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mount --make-private /run/initramfs
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mount --make-private /
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# bind all API mounts
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mkdir -p /run/initramfs/{sys,proc,dev,run,oldroot}
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mount --bind /sys /run/initramfs/sys
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mount --bind /proc /run/initramfs/proc
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mount --bind /dev /run/initramfs/dev
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mount --bind /run /run/initramfs/run
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# enter shutdownramfs
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cd /run/initramfs
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pivot_root . oldroot
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# reexec init
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/oldroot/usr/bin/init u
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# run /shutdown in the new root
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exec chroot . /shutdown $action </dev/console >/dev/console 2>&1
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else
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status "Remounting root filesystem read-only" \
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mount -o remount,ro /
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# Power off or reboot
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printsep
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if [[ $RUNLEVEL = 0 ]]; then
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printhl "${C_H2}POWER OFF"
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poweroff -d -f -h -i
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else
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printhl "${C_H2}REBOOTING"
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# if kexec is installed and a kernel is loaded, use it
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[[ -x $(type -P kexec) ]] && kexec -e &>/dev/null
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reboot -d -f -i
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fi
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fi
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# End of file
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# vim: set ts=2 sw=2 noet:
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