etc/rc.d/hostid_save

   1 #!/bin/sh
   2 #
   3 # $FreeBSD$
   4 #
   5
   6 # PROVIDE: hostid_save
   7 # REQUIRE: root
   8 # KEYWORD: nojail
   9
  10 . /etc/rc.subr
  11
  12 name="hostid_save"
  13 start_cmd="hostid_save"
  14 stop_cmd=":"
  15 rcvar="hostid_enable"
  16
  17 hostid_save()
  18 {
  19         current_hostid=`$SYSCTL_N kern.hostuuid`
  20
  21         if [ -r ${hostid_file} ]; then
  22                 read saved_hostid < ${hostid_file}
  23                 if [ ${saved_hostid} = ${current_hostid} ]; then
  24                         exit 0
  25                 fi
  26         fi
  27
  28         echo ${current_hostid} > ${hostid_file}
  29         if [ $? -ne 0 ]; then
  30                 warn "could not store hostuuid in ${hostid_file}."
  31         fi
  32 }
  33
  34 load_rc_config $name
  35 run_rc_command "$1"