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" = "$previous" ] && exit 0
  27
  28 # Source function library.
  29 . /etc/rc.d/init.d/functions
  30
  31 upstart_controlled
  32
  33 start() {
  34         if [ "$previous" = "N" ]; then
  35                 runlevel=5
  36                 previous=0
  37                 export runlevel previous
  38         fi
  39
  40         if [ -f /var/lock/subsys/sys-chroots ]; then
  41                 msg_already_running "System chroots services"
  42                 return
  43         fi
  44
  45         msg_starting "System chroots services"; started
  46
  47         for dir in $SYSTEM_CHROOTS; do
  48                 [ ! -x "$dir/etc/rc.d/rc" ] && continue
  49                 msg_starting "System chroots services for $dir"; started
  50
  51                 # Cleaning part, keep in sync with rc.sysinit
  52
  53                 chroot $dir sh -c '
  54                 . /etc/rc.d/init.d/functions
  55                 # Clear mtab
  56                 > /etc/mtab
  57                 [ -f /etc/cryptomtab ] && > /etc/cryptomtab
  58
  59                 # Remove stale backups
  60                 rm -f /etc/mtab~ /etc/mtab~~ /etc/cryptomtab~ /etc/cryptomtab~~
  61
  62                 # Clean up /var
  63                 # I would d use find, but /usr may not be mounted.
  64                 for afile in /var/lock/* /var/run/*; do
  65                         bafile=$(basename $afile)
  66                         if [ -d "$afile" ]; then
  67                                 [ "$bafile" != "news" -a "$bafile" != "sudo" -a "$bafile" != "mon" ] && rm -rf $afile/*
  68                         else
  69                                 [ "$bafile" != "hwprofile" ] && rm -f $afile 2> /dev/null
  70                         fi
  71                 done
  72                 # Delete stale files
  73                 rm -f /var/lib/rpm/__db* /var/spool/postoffice/.pid.* /tmp/.X*-lock \
  74                         /tmp/.lock.* /tmp/.gdm_socket /tmp/.s.PGSQL.*
  75                 rm -rf /tmp/.X*-unix /tmp/.ICE-unix /tmp/.font-unix /tmp/hsperfdata_* \
  76                         /tmp/kde-* /tmp/ksocket-* /tmp/mc-* /tmp/mcop-* /tmp/orbit-* \
  77                         /tmp/scrollkeeper-* /tmp/ssh-*
  78
  79                 # Clean up utmp/wtmp
  80                 rm -f /var/run/utmpx
  81                 > /var/run/utmp
  82                 if [ -e /var/log/wtmpx ]; then
  83                         if [ -e /var/log/wtmp ]; then
  84                                 rm -f /var/log/wtmpx
  85                         else
  86                                 mv /var/log/wtmpx /var/log/wtmp
  87                         fi
  88                 fi
  89                 touch /var/log/wtmp
  90                 chown root:utmp /var/run/utmp /var/log/wtmp
  91                 chmod 0664 /var/run/utmp /var/log/wtmp
  92                 # Clean /tmp
  93                 if is_yes "$CLEAN_TMP"; then
  94                         rm -rf /tmp/* /tmp/.[a-zA-Z0-9]*
  95                 fi
  96                 '
  97
  98                 # Do our things
  99
 100                 # proc
 101                 chroot $dir mount -o gid=17 -t proc proc /proc
 102                 # usbfs, if available
 103                 if [ -f /proc/bus/usb/devices ]; then
 104                         chroot $dir mount -t usbfs usbfs /proc/bus/usb
 105                 fi
 106                 # sysfs is also needed before any other things (under kernel > 2.5)
 107                 if grep -q sysfs /proc/filesystems ; then
 108                         chroot $dir mount -o gid=17 -t sysfs sysfs /sys
 109                 fi
 110                 # selinux
 111                 if grep -q selinuxfs /proc/filesystems ; then
 112                         chroot $dir mount -o gid=17 -t selinuxfs selinuxfs /selinux
 113                 fi
 114                 chroot $dir mount -a
 115                 # network
 116                 [ -f /var/lock/subsys/network ] && touch $dir/var/lock/subsys/network
 117                 # other
 118                 chroot $dir /sbin/chkconfig single off
 119                 rm -f $dir/etc/rc.d/rc*.d/K*single
 120                 # run it
 121                 chroot $dir /etc/rc.d/rc $runlevel chroot
 122         done
 123
 124         touch /var/lock/subsys/sys-chroots
 125 }
 126
 127 stop() {
 128         # Stop daemons.
 129         if [ "$previous" = "N" ]; then
 130                 runlevel=0
 131                 previous=5
 132                 export runlevel previous
 133         fi
 134
 135         if [ ! -f /var/lock/subsys/sys-chroots ]; then
 136                 msg_not_running "System chroots services"
 137                 return
 138         fi
 139
 140         msg_stopping "System chroots services"; started
 141         for dir in $SYSTEM_CHROOTS; do
 142                 [ ! -x "$dir/etc/rc.d/rc" ] && continue
 143                 msg_stopping "System chroots services for $dir"; started
 144                 rm -f $dir/var/lock/subsys/network
 145                 chroot $dir /etc/rc.d/rc $runlevel chroot
 146                 chroot $dir sh -c "grep -q selinuxfs /proc/filesystems && umount /selinux"
 147                 chroot $dir sh -c "grep -q sysfs /proc/filesystems && umount /sys"
 148                 chroot $dir umount -a
 149                 chroot $dir umount /proc
 150         done
 151         rm -f /var/lock/subsys/sys-chroots >/dev/null 2>&1
 152 }
 153
 154 RETVAL=0
 155 # See how we were called.
 156 case "$CMD" in
 157   start)
 158         start
 159         ;;
 160   stop)
 161         stop
 162         ;;
 163   restart)
 164         stop
 165         start
 166         ;;
 167   status)
 168         # TODO: running each service with status parameter
 169         for dir in $SYSTEM_CHROOTS; do
 170                 echo "System chroots services for $dir"
 171                 chroot $dir /sbin/chkconfig --list
 172         done
 173         exit $?
 174         ;;
 175   *)
 176         msg_usage "$0 {start|stop|restart|status}"
 177         exit 3
 178 esac
 179
 180 exit $RETVAL