scripts/ovirt-config-hostname

   1 #!/bin/bash
   2 #
   3 # Configures the hostname file based on kernel cmdline or user prompt
   4 # Source functions library
   5 . /etc/init.d/functions
   6 . /etc/init.d/ovirt-functions
   7
   8 trap '__st=$?; stop_log; exit $__st' 0
   9 trap 'exit $?' 1 2 13 15
  10
  11 HOSTNAME_FILE="/etc/sysconfig/network"
  12
  13 function set_hostname {
  14     start_log
  15     augtool <<EOF
  16 set /files$HOSTNAME_FILE/HOSTNAME "$1"
  17 EOF
  18     rc=$?
  19     stop_log
  20     return $rc
  21 }
  22
  23 function remove_hostname {
  24     start_log
  25     augtool <<EOF
  26 rm /files$HOSTNAME_FILE/HOSTNAME
  27 EOF
  28     rc=$?
  29     stop_log
  30     return $rc
  31 }
  32
  33 function prompt_user {
  34     printf "\n"
  35     read -p "What is the hostname for this node? "
  36
  37     if [ -n "$REPLY" ]; then
  38         if set_hostname $REPLY; then
  39             printf "\nHostname has been set\n"
  40         else
  41             printf "\nSetting hostname failed\n"
  42             return 1
  43         fi
  44     else
  45         printf "\n"
  46         read -p "Enter (Y|y) to blank out the hostname, or (N|n) to skip. "
  47         case $REPLY in
  48             Y|y)
  49                 if remove_hostname; then
  50                     printf "\nHostname was removed.\n"
  51                     return 0
  52                 else
  53                     printf "\nRemoving hostname failed\n"
  54                     return 1
  55                 fi
  56                 ;;
  57             N|n)
  58                 printf "\nNo changes made.\n"
  59                 return 0
  60                 ;;
  61             *) ;;
  62         esac
  63     fi
  64 }
  65
  66 # AUTO for auto-install
  67 if [ "$1" = "AUTO" ]; then
  68     if [ -n "$OVIRT_HOSTNAME" ]; then
  69         if set_hostname $OVIRT_HOSTNAME; then
  70             printf "\nHostname has been set\n"
  71         else
  72             printf "\nSetting hostname failed\n"
  73         fi
  74     else
  75         printf "\nHostname not provided. Skipping.\n"
  76     fi
  77 else
  78     printf "\n\n oVirt Node Hostname Configuration\n\n"
  79     prompt_user
  80 fi
  81