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

   1 #!/bin/bash
   2 # Copyright (C) 2019 Ian Kelling
   3 # SPDX-License-Identifier: AGPL-3.0-or-later
   4
   5 # For using some fai commands outside of fai.
   6 # Usually this is sourced from another script. Note this has
   7 # paths specific to Ian's machine.
   8 # to set fai classes, export CLASS_CLASSNAME=true
   9 # This wrapper can be detected by using this var:
  10 export FAI_WRAPPER=true
  11
  12 ifclass() {
  13   local var=${1/#/CLASS_}
  14   [[ $HOSTNAME == $1 || ${!var} ]]
  15 }
  16 fai-setclass() {
  17   for class in "$@"; do
  18     # export class vars with CLASS_ in front to avoid name collisions.
  19     classes+=" $class"
  20     export CLASS_$class=true
  21   done
  22   classes="${classes# }"
  23   export classes
  24 }
  25 eval-fai-classfile() {
  26   file=$1
  27   if [[ ! -s $file ]]; then
  28     echo "$0: probably an error: eval-fai-classfile no such file: $file"
  29     return 0
  30   fi
  31   fai-setclass $(bash $file)
  32 }
  33 export -f ifclass
  34 classes=DEFAULT  # used by fcopy
  35 export CLASS_DEFAULT=true
  36 if [[ ! -d $FAI_ROOT ]]; then
  37   export FAI_ROOT=/
  38 fi
  39 if [[ ! -d $FAI ]]; then
  40   if [[ -d /a/bin/fai/fai/config ]]; then
  41     export FAI=/a/bin/fai/fai/config
  42   else
  43     echo "$0: error: could not find directory to set for FAI. currently FAI=$FAI"
  44     return 1
  45   fi
  46 fi
  47
  48 eval-fai-classfile $FAI/class/50-host-classes
  49 eval-fai-classfile $FAI/class/51-multi-boot