Subversion Repositories configs

#!/bin/bash

#

# halt          This file is executed by init when it goes into runlevel

#               0 (halt) or runlevel 6 (reboot). It kills all processes,

#               unmounts file systems and then either halts or reboots.

#

# Author:       Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org>

#               Modified for RHS Linux by Damien Neil

#

NOLOCALE=1

. /etc/init.d/functions

UMOUNT="umount"

[ ! -w /etc ] && UMOUNT="umount -n"

halt_crypto() {

    fnval=0

    while read dst src key; do

	[ -z "$dst" -o "${dst#\#}" != "$dst" ] && continue

        if [ -b "/dev/mapper/$dst" ]; then

            if /sbin/dmsetup info "$dst" | grep -q '^Open count: *0$'; then

                action $"Stopping disk encryption for $dst" /sbin/cryptsetup remove "$dst"

            else

                fnval=1

            fi

        fi

    done < /etc/crypttab

    return $fnval

}

kill_all() {

    local STRING rc

    STRING=$1

    echo -n "$STRING "

    shift

    /sbin/killall5 "$@"

    rc=$?

    # Retval: 0: success 1: error 2: no processes found to kill

    if [ "$rc" == 1 ]; then

        failure $"$STRING"

    else

        success $"$STRING"

    fi

    echo

    return $rc

}

# See how we were called.

case "$0" in

   *halt)

	message=$"Halting system..."

	command="/sbin/halt"

	;;

   *reboot)

	message=$"Please stand by while rebooting the system..."

	command="/sbin/reboot"

	kexec_command="/sbin/kexec"

	;;

   *)

	echo $"$0: call me as 'halt' or 'reboot' please!"

	exit 1

	;;

esac

case "$1" in

   *start)

   	;;

   *)

	echo $"Usage: $0 {start}"

	exit 1

	;;

esac

# Kill all processes.

[ "${BASH+bash}" = bash ] && enable kill

# Find mdmon pid's and omit killing them

OMITARGS=

for i in /dev/md/*.pid; do

    if [ ! -r "$i" ]; then

        continue

    fi

    OMITARGS="$OMITARGS -o $(cat $i)"

done

kill_all $"Sending all processes the TERM signal..." -15 $OMITARGS

# No need to sleep and kill -9 if no processes to kill were found

if [ "$?" == 0 ]; then

    sleep 2

    kill_all $"Sending all processes the KILL signal..." -9 $OMITARGS

fi

# Write to wtmp file before unmounting /var

/sbin/halt -w

# Save mixer settings, here for lack of a better place.

if [ -s /etc/alsa/alsactl.conf -a -x /sbin/alsactl -a -w /etc/asound.state ]; then

  action $"Saving mixer settings" /sbin/alsactl -E ALSA_CONFIG_PATH=/etc/alsa/alsactl.conf --ignore store

fi

# Save random seed

touch /var/lib/random-seed

chmod 600 /var/lib/random-seed

action $"Saving random seed: " dd if=/dev/urandom of=/var/lib/random-seed count=1 bs=512 2>/dev/null

[ -x /sbin/hwclock -a -e /dev/rtc ] && action $"Syncing hardware clock to system time" /sbin/hwclock --systohc

# Try to unmount tmpfs filesystems to avoid swapping them in.  Ignore failures.

tmpfs=$(awk '$2 ~ /^\/($|proc|dev)/ { next; }

	     $3 == "tmpfs" { print $2; }' /proc/mounts | sort -r)

[ -n "$tmpfs" ] && fstab-decode $UMOUNT $tmpfs 2>/dev/null

# Turn off swap, then unmount file systems.

[ -f /proc/swaps ] && SWAPS=$(awk '! /^Filename/ { print $1 }' /proc/swaps)

if [ -n "$SWAPS" ]; then

    action $"Turning off swap: " swapoff $SWAPS

    for dst in $SWAPS; do

	if [[ "$dst" == /dev/mapper* ]] \

	    && [ "$(dmsetup status "$dst" | cut -d ' ' -f 3)" = crypt ]; then

	    backdev=$(/sbin/cryptsetup status "$dst" \

		| awk '$1 == "device:" { print $2 }')

	    /sbin/cryptsetup remove "$dst"

	fi

    done

fi

[ -x /sbin/quotaoff ] && action $"Turning off quotas: " /sbin/quotaoff -aug

# Unmount file systems, killing processes if we have to.

# Unmount loopback stuff first

__umount_loopback_loop

# Unmount RPC pipe file systems

__umount_loop '$3 ~ /^rpc_pipefs$/ || $3 ~ /^rpc_svc_gss_pipefs$/ {print $2}' \

    /proc/mounts \

    $"Unmounting pipe file systems: " \

    $"Unmounting pipe file systems (retry): " \

    -f

LANG=C __umount_loop '$2 ~ /^\/$|^\/proc|^\/dev/{next}

	$3 == "tmpfs" || $3 == "proc" {print $2 ; next}

	$3 ~ /(loopfs|autofs|nfs|cifs|smbfs|ncpfs|sysfs)/ {next}

	/(^none|^\/dev\/ram|^\/dev\/root$)/ {next}

	{print $2}' /proc/mounts \

	$"Unmounting file systems: " \

	$"Unmounting file systems (retry): " \

	-f

[ -f /proc/bus/usb/devices ] && $UMOUNT /proc/bus/usb

[ -f /etc/crypttab ] && halt_crypto

# remove the crash indicator flag

rm -f /.autofsck

# Try all file systems other than root, essential filesystems and RAM disks,

# one last time.

awk '$2 !~ /\/(|dev|proc|selinux|sys)$/ && $1 !~ /^\/dev\/ram/ { print $2 }' \

    /proc/mounts | sort -r | \

  while read line; do

    fstab-decode $UMOUNT -f $line

done

HALTARGS="-d"

[ "$INIT_HALT" != "HALT" ] && HALTARGS="$HALTARGS -p"

if [ -x /sbin/halt.local ]; then

   /sbin/halt.local "$message" "$command" "$HALTARGS" "$kexec_command"

fi

# Tell init to re-exec itself.

kill -TERM 1

# And give init some time to do that (#1259873)

sleep 1

# Remount read only anything that's left mounted.

# echo $"Remounting remaining filesystems readonly"

mount | awk '{ print $1,$3 }' | while read dev dir; do

    fstab-decode mount -n -o ro,remount $dev $dir

done

# If we left mdmon's running wait for the raidsets to become clean

if [ -n "$OMITARGS" ]; then

    sync

    HALTARGS="$HALTARGS -n"

    mdadm --wait-clean --scan

fi

# Now halt or reboot.

echo $"$message"

if [ -f /fastboot ]; then

 echo $"On the next boot fsck will be skipped."

elif [ -f /forcefsck ]; then

 echo $"On the next boot fsck will be forced."

fi

# Shutdown UPS drivers

if [ "$command" = /sbin/halt -a -f /etc/sysconfig/ups ]; then

	. /etc/sysconfig/ups

	if [ -z $POWERDOWNFLAG ]; then

		POWERDOWNFLAG=/etc/killpower

	fi

	if [ "$SERVER" = "yes" -a -f $POWERDOWNFLAG ]; then

		/sbin/upsdrvctl shutdown

                sleep 120

                /sbin/reboot --force

	fi

fi

# Turn off UPS in powerfail situation

if [ -x /etc/apcupsd/apccontrol -a -f /etc/apcupsd/powerfail ]; then

	/etc/apcupsd/apccontrol killpower

fi

# First, try kexec. If that fails, fall back to rebooting the old way.

[ -n "$kexec_command" ] && $kexec_command -e -x >& /dev/null

exec $command $HALTARGS