iankelling.org Git - automated-distro-installer/blob - fai-wrapper

   1 #!/bin/bash
   2 # This file is part of Ian Kelling's automated-distro-installer
   3 # Copyright (C) 2024 Ian Kelling
   4
   5 # This program is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU General Public License
   7 # as published by the Free Software Foundation; either version 2
   8 # of the License, or (at your option) any later version.
   9
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18
  19 # For using some fai commands outside of fai.
  20 # Usually this is sourced from another script. Note this has
  21 # paths specific to Ian's machine.
  22 # to set fai classes, export CLASS_CLASSNAME=true
  23 # This wrapper can be detected by using this var:
  24 export FAI_WRAPPER=true
  25
  26 ifclass() {
  27   local var=${1/#/CLASS_}
  28   [[ $HOSTNAME == "$1" || ${!var} ]]
  29 }
  30 fai-setclass() {
  31   for class in "$@"; do
  32     # export class vars with CLASS_ in front to avoid name collisions.
  33     classes+=" $class"
  34     export CLASS_$class=true
  35   done
  36   classes="${classes# }"
  37   export classes
  38 }
  39 eval-fai-classfile() {
  40   file=$1
  41   if [[ ! -s $file ]]; then
  42     echo "$0: probably an error: eval-fai-classfile no such file: $file"
  43     return 0
  44   fi
  45   fai-setclass $(bash $file)
  46 }
  47 export -f ifclass
  48 # DEFAULT is used by fcopy
  49 classes="DEFAULT $(hostname)"
  50 export CLASS_DEFAULT=true
  51 if [[ ! -d $FAI_ROOT ]]; then
  52   export FAI_ROOT=/
  53 fi
  54 if [[ ! -d $FAI ]]; then
  55   if [[ -d /a/bin/fai/fai/config ]]; then
  56     export FAI=/a/bin/fai/fai/config
  57   else
  58     echo "$0: error: could not find directory to set for FAI. currently FAI=$FAI"
  59     return 1
  60   fi
  61 fi
  62
  63 eval-fai-classfile $FAI/class/50-host-classes
  64 eval-fai-classfile $FAI/class/51-multi-boot