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 this or a remote machine using host faiserver
  26
  27 If SERVER argument, ssh to root@SERVER before doing kexec. This does
  28 what pxe would do, but skipping boot sequence up to and including the
  29 pxe dhcp.
  30
  31 EOF
  32     exit $1
  33 }
  34 case $1 in
  35     -h|--help) usage ;;
  36 esac
  37
  38
  39 if [[ $1 ]]; then
  40     prefix="ssh root@$1"
  41 fi
  42 $prefix touch /tmp/keyscript-off
  43 $prefix pxe-kexec -n --ignore-whitelist -l fai-generated faiserver