rc.d/rc.shutdown

   1 #!/bin/sh
   2 #
   3 # shutdown      Common script for system halt/reboot.
   4 #
   5 # Author:       Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org>
   6 #
   7 # $Id$
   8
   9 # Set the path.
  10 PATH=/sbin:/bin:/usr/bin:/usr/sbin
  11
  12 # move to root dir
  13 cd /
  14
  15 IN_SHUTDOWN=yes
  16
  17 . /etc/rc.d/init.d/functions
  18
  19 # avoid keyboard interruption
  20 trap "echo" INT SEGV QUIT TERM
  21 set +e
  22
  23 rc_splash "reboot"
  24
  25 # Kill all processes.
  26 [ "${BASH+bash}" = bash ] && enable kill
  27
  28 runlevel=$1
  29 previous=$2
  30
  31 # Stop blogd before umounting /var
  32 if [ -x /sbin/blogd ]; then
  33         killall -q -QUIT blogd
  34 fi
  35
  36 # check for other processes.
  37 # there could be none if all services were terminated properly
  38 # pgrep -g 0 requires procps >= 3.2.6-1.1
  39 pids=$(pgrep -g 0 -l -v | grep -v '^1 ')
  40 if [ -n "$pids" ]; then
  41         run_cmd "Sending all processes the TERM signal" killall5 -15
  42 fi
  43
  44 pids=$(pgrep -g 0 -l -v | grep -v '^1 ')
  45 if [ -n "$pids" ]; then
  46         sleep 5
  47         run_cmd "Sending all processes the KILL signal" killall5 -9
  48 fi
  49
  50 # Write to wtmp file before unmounting /var
  51 halt -w
  52
  53 if ! is_yes "$VSERVER"; then
  54         # Turn off swap, then unmount file systems.
  55         run_cmd "Turning off swap" swapoff -a
  56
  57         [ -x /etc/rc.d/rc.acct ] && /etc/rc.d/rc.acct stop
  58
  59         if [ -x /sbin/quotaoff ]; then
  60                 run_cmd "Turning off quotas for local filesystems" /sbin/quotaoff -a
  61         fi
  62
  63         # Unmount file systems, killing processes if we have to.
  64         sig=-15
  65         retry=3
  66         force=
  67         remaining=$(awk '!/(^#| proc | loopfs | devpts | shm | iso9660 | ramfs | tmpfs | sysfs | securityfs | squashfs |^none|^\/dev\/root| \/ )/ {print $2}' /proc/mounts)
  68         while [ -n "$remaining" -a "$retry" -gt 0 ]; do
  69                 show "Unmounting file systems"; busy
  70                 ERRORS=$(umount -a $force -t noproc 2>&1); rc=$?
  71
  72                 # we might had unmounted /usr, recheck $TPUT availability
  73                 # but well. we need tput only for show() and busy() (ok() and fail() messages are already cached)
  74                 # TODO: look ahead the messages?
  75                 if is_yes "$TPUT"; then
  76                         TPUT=
  77                         rc_gettext_init
  78                 fi
  79
  80                 if [ $rc = 0 ]; then
  81                         ok
  82                 else
  83                         fail
  84                         [ -n "$ERRORS" ] && echo "$ERRORS"
  85                 fi
  86
  87                 sleep 2
  88                 remaining=$(awk '!/(^#| proc | loopfs | devpts | shm | iso9660 | ramfs | tmpfs | sysfs | securityfs | squashfs |^none|^\/dev\/root| \/ )/ {print $2}' /proc/mounts)
  89                 [ -z "$remaining" ] && break
  90                 fuser -k -m $sig $remaining > /dev/null
  91                 sleep 5
  92                 retry=$(($retry-1))
  93                 sig=-9
  94                 force="-f"
  95         done
  96
  97         run_cmd "Remounting root filesystem in ro mode" mount -n -o remount,ro /
  98
  99         if is_yes "$EVMS_LVM" || [ -x /sbin/vgscan -a -x /sbin/vgchange ]; then
 100                 lvmversion=$(/sbin/vgchange --version 2>/dev/null | awk '{gsub("vgchange: Logical Volume Manager ",""); gsub("LVM version:     ",""); gsub(/\..*/,"");print $1; exit}')
 101                 if [ "$lvmversion" = "2" ] ; then
 102                         lvmignorelock="--ignorelockingfailure"
 103                 else
 104                         lvmignorelock=""
 105                 fi
 106                 run_cmd "Stopping LVM volume groups" /sbin/vgchange -a n $lvmignorelock
 107         fi
 108
 109         goraidtab=1
 110         if [ -x /sbin/mdadm -a -f /etc/mdadm.conf ]; then
 111                 if (grep -qE "^([[:blank:]]|)ARRAY[[:blank:]]" /etc/mdadm.conf 2>/dev/null); then
 112                         /sbin/mdadm --stop --scan > /dev/null 2>&1
 113                         rc=$?
 114                         [ "$rc" -eq 0 ] && goraidtab=0
 115                 fi
 116         fi
 117
 118         # turn off raid
 119         if [ -x /sbin/raidstop -a -f /etc/raidtab -a "$goraidtab" -eq 1 ]; then
 120                 # we can not use raidstop -a here because this will only stop
 121                 # devices listed in the default config file which is not always
 122                 # the case. So we look only for the active raid devices
 123                 if [ -f /proc/mdstat ] ; then
 124                         mddevs=$(awk '/^md.* active/ {print $1}' /proc/mdstat)
 125                         for mddev in $mddevs ; do
 126                                 show "Turning off RAID for %s" "$mddev"
 127                                 daemon /sbin/raidstop /dev/$mddev
 128                         done
 129                         unset mddev mddevs
 130                 fi
 131                 # runcmd "Turning off RAID" /sbin/raidstop -a
 132         fi
 133
 134         show "Remounting remaining filesystems ro mode"; busy
 135         if ( mount | awk '/ext2|ext3|reiserfs|xfs|jfs/ { print $3 }' | \
 136                 while read line; do
 137                 mount -n -o ro,remount $line; done ); then
 138                 ok
 139         else
 140                 fail
 141         fi
 142         _rebootwhat="system"
 143 else
 144         _rebootwhat="vserver"
 145 fi
 146
 147 if [ -f /etc/crypttab ] && ! is_empty_file /etc/crypttab; then
 148         . /etc/rc.d/init.d/cryptsetup
 149
 150         show "Stopping disk encryption"
 151         halt_crypto && ok || fail
 152 fi
 153
 154 if [ "$runlevel" = "0" ] ; then
 155         show "The $_rebootwhat is halted"; ok
 156         [ -f /fastboot ] && (show "On the next boot fsck will be skipped."; ok)
 157
 158         if [ -f /etc/killpower -a -f /etc/sysconfig/ups ] ; then
 159                 . /etc/sysconfig/ups
 160                 if is_yes "$POWEROFF_UPS"; then
 161                         if [ -d /etc/ups.d ]; then
 162                                 for i in /etc/ups.d/*.sh; do
 163                                         [ ! -f $i -o ! -x $i ] && continue
 164                                         $i poweroff
 165                                 done
 166                         fi
 167                        [ -x /sbin/poweroff-ups ] && /sbin/poweroff-ups
 168                fi
 169         fi
 170         [ "$previous" != "unknown" ] && eval halt -d -p -f
 171 else
 172         show "Please stand by while rebooting the $_rebootwhat"; ok
 173         [ -f /fastboot ] && (show "On the next boot fsck will be skipped."; ok)
 174         [ -x /sbin/kexec ] && /sbin/kexec -e
 175         [ "$previous" != "unknown" ] && eval reboot -d -f
 176 fi