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

   1 #!/bin/bash
   2 # Copyright (C) 2016 Ian Kelling
   3
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7
   8 #     http://www.apache.org/licenses/LICENSE-2.0
   9
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16
  17 set -eE -o pipefail
  18 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
  19
  20 [[ $EUID == 0 ]] || exec sudo "$BASH_SOURCE" "$@"
  21
  22 usage() {
  23     cat <<'EOF'
  24 usage: $0 [-h|--help] [SERVER]
  25 kexec to SERVER (faiserver by default), pxe boot from it's tftp server
  26
  27 This does what pxe would do, but skipping boot sequence up to and
  28 including the pxe dhcp.
  29
  30 EOF
  31     exit $1
  32 }
  33 case $1 in
  34     -h|--help) usage ;;
  35 esac
  36
  37
  38 if [[ $1 ]]; then
  39     prefix="ssh root@$1"
  40 fi
  41 $prefix touch /tmp/keyscript-off
  42 $prefix pxe-kexec -n --ignore-whitelist -l fai-generated faiserver