rc.d/init.d/sys-chroots

   1 #!/bin/sh
   2 #
   3 # sys-chroots   Starts and stops services in chroots
   4 #
   5 # chkconfig:    2345 99 01
   6 # description:  This shell script starts and stops services in chroots
   7
   8 [ -r /etc/sysconfig/system ] && . /etc/sysconfig/system
   9 [ -n "$2" ] && SYSTEM_CHROOTS="$2"
  10
  11 if [ -z "$SYSTEM_CHROOTS" ]; then
  12         case "$1" in
  13         start|stop|restart)
  14                 exit 0
  15                 ;;
  16         esac
  17 fi
  18
  19 CMD="$1"
  20
  21 set $(runlevel)
  22 runlevel=$2
  23 previous=$1
  24 export runlevel previous
  25
  26 [ -z "$runlevel" -o -z "$previous" -o "$runlevel" = "$previous" ] && exit 0
  27
  28 # Source function library.
  29 . /etc/rc.d/init.d/functions
  30
  31 start() {
  32         if [ "$previous" = "N" ]; then
  33                 runlevel=5
  34                 previous=0
  35                 export runlevel previous
  36         fi
  37
  38         if [ -f /var/lock/subsys/sys-chroots ]; then
  39                 msg_already_running "System chroots services"
  40                 return
  41         fi
  42
  43         msg_starting "System chroots services"; started
  44
  45         for dir in $SYSTEM_CHROOTS; do
  46                 [ ! -x "$dir/etc/rc.d/rc" ] && continue
  47                 msg_starting "System chroots services for $dir"; started
  48
  49                 # Cleaning part, keep in sync with rc.sysinit
  50
  51                 chroot $dir sh -c '
  52                 . /etc/rc.d/init.d/functions
  53                 # Clear mtab
  54                 > /etc/mtab
  55                 [ -f /etc/cryptomtab ] && > /etc/cryptomtab
  56
  57                 # Remove stale backups
  58                 rm -f /etc/mtab~ /etc/mtab~~ /etc/cryptomtab~ /etc/cryptomtab~~
  59
  60                 # Clean up /var
  61                 # I would d use find, but /usr may not be mounted.
  62                 for afile in /var/lock/* /var/run/*; do
  63                         bafile=$(basename $afile)
  64                         if [ -d "$afile" ]; then
  65                                 [ "$bafile" != "news" -a "$bafile" != "sudo" -a "$bafile" != "mon" ] && rm -rf $afile/*
  66                         else
  67                                 [ "$bafile" != "hwprofile" ] && rm -f $afile 2> /dev/null
  68                         fi
  69                 done
  70                 # Delete stale files
  71                 rm -f /var/lib/rpm/__db* /var/spool/postoffice/.pid.* /tmp/.X*-lock \
  72                         /tmp/.lock.* /tmp/.gdm_socket /tmp/.s.PGSQL.*
  73                 rm -rf /tmp/.X*-unix /tmp/.ICE-unix /tmp/.font-unix /tmp/hsperfdata_* \
  74                         /tmp/kde-* /tmp/ksocket-* /tmp/mc-* /tmp/mcop-* /tmp/orbit-* \
  75                         /tmp/scrollkeeper-* /tmp/ssh-*
  76
  77                 # Clean up utmp/wtmp
  78                 rm -f /var/run/utmpx
  79                 > /var/run/utmp
  80                 if [ -e /var/log/wtmpx ]; then
  81                         if [ -e /var/log/wtmp ]; then
  82                                 rm -f /var/log/wtmpx
  83                         else
  84                                 mv /var/log/wtmpx /var/log/wtmp
  85                         fi
  86                 fi
  87                 touch /var/log/wtmp
  88                 chown root:utmp /var/run/utmp /var/log/wtmp
  89                 chmod 0664 /var/run/utmp /var/log/wtmp
  90                 # Clean /tmp
  91                 if is_yes "$CLEAN_TMP"; then
  92                         rm -rf /tmp/* /tmp/.[a-zA-Z0-9]*
  93                 fi
  94                 '
  95
  96                 # Do our things
  97
  98                 # proc
  99                 chroot $dir mount -o gid=17 -t proc proc /proc
 100                 # usbfs, if available
 101                 if [ -f /proc/bus/usb/devices ]; then
 102                         chroot $dir mount -t usbfs usbfs /proc/bus/usb
 103                 fi
 104                 # sysfs is also needed before any other things (under kernel > 2.5)
 105                 if grep -q sysfs /proc/filesystems ; then
 106                         chroot $dir mount -o gid=17 -t sysfs sysfs /sys
 107                 fi
 108                 # selinux
 109                 if grep -q selinuxfs /proc/filesystems ; then
 110                         chroot $dir mount -o gid=17 -t selinuxfs selinuxfs /selinux
 111                 fi
 112                 chroot $dir mount -a
 113                 # network
 114                 [ -f /var/lock/subsys/network ] && touch $dir/var/lock/subsys/network
 115                 # other
 116                 chroot $dir /sbin/chkconfig single off
 117                 rm -f $dir/etc/rc.d/rc*.d/K*single
 118                 # run it
 119                 chroot $dir /etc/rc.d/rc $runlevel chroot
 120         done
 121
 122         touch /var/lock/subsys/sys-chroots
 123 }
 124
 125 stop() {
 126         # Stop daemons.
 127         if [ "$previous" = "N" ]; then
 128                 runlevel=0
 129                 previous=5
 130                 export runlevel previous
 131         fi
 132
 133         if [ ! -f /var/lock/subsys/sys-chroots ]; then
 134                 msg_not_running "System chroots services"
 135                 return
 136         fi
 137
 138         msg_stopping "System chroots services"; started
 139         for dir in $SYSTEM_CHROOTS; do
 140                 [ ! -x "$dir/etc/rc.d/rc" ] && continue
 141                 msg_stopping "System chroots services for $dir"; started
 142                 rm -f $dir/var/lock/subsys/network
 143                 chroot $dir /etc/rc.d/rc $runlevel chroot
 144                 chroot $dir sh -c "grep -q selinuxfs /proc/filesystems && umount /selinux"
 145                 chroot $dir sh -c "grep -q sysfs /proc/filesystems && umount /sys"
 146                 chroot $dir umount -a
 147                 chroot $dir umount /proc
 148         done
 149         rm -f /var/lock/subsys/sys-chroots >/dev/null 2>&1
 150 }
 151
 152 RETVAL=0
 153 # See how we were called.
 154 case "$CMD" in
 155   start)
 156         start
 157         ;;
 158   stop)
 159         stop
 160         ;;
 161   restart)
 162         stop
 163         start
 164         ;;
 165   status)
 166         # TODO: running each service with status parameter
 167         for dir in $SYSTEM_CHROOTS; do
 168                 echo "System chroots services for $dir"
 169                 chroot $dir /sbin/chkconfig --list
 170         done
 171         exit $?
 172         ;;
 173   *)
 174         msg_usage "$0 {start|stop|restart|status}"
 175         exit 3
 176 esac
 177
 178 exit $RETVAL