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

   1 #!/bin/bash
   2 # Copyright (C) 2016 Ian Kelling
   3
   4 # This program is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU General Public License
   6 # as published by the Free Software Foundation; either version 2
   7 # of the License, or (at your option) any later version.
   8
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17 set -eE -o pipefail
  18 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
  19
  20 x="$(readlink -f "$BASH_SOURCE")"; cd ${x%/*}
  21
  22 usage() {
  23     cat <<EOF
  24 usage: ${0##*/} [-h|--help] [HOST] [DISTRO]
  25 Deploy fai config (the one in nfs) to HOST or default faiserver
  26 Specify DISTRO for setting up DESKTOP packages.
  27
  28 Note: uses paths specific to authors machine.
  29 EOF
  30     exit $1
  31 }
  32 case $1 in
  33     -h|--help) usage ;;
  34 esac
  35
  36 host=${1:-faiserver}
  37 distro=$2
  38
  39 # i use faiserver as a dns alias, but ssh key is associated with
  40 # a canonical hostname and we will have ssh warning spam unless we
  41 # use it, so look it up just to avoid the warning spam.
  42 faiserver_host=$(chost $host) || faiserver_host=$host
  43
  44 rsync -rlp --delete --relative --exclude /fai/config/basefiles/ fai/config root@$faiserver_host:/srv
  45
  46
  47 scp -q ~/.ssh/home.pub \
  48     root@$faiserver_host:/srv/fai/config/files/root/.ssh/authorized_keys/GRUB_PC
  49 # todo: automatically disable faiserver after a period so
  50 # these files are not exposed.
  51 sudo scp -qr /q/root/luks /q/root/shadow \
  52   root@$faiserver_host:/srv/fai/config/distro-install-common
  53
  54 # should tar ssh all the files, but these ones really justified it
  55 tar -cz /p/c/machine_specific/*/filesystem/etc/ssh | \
  56   ssh root@$faiserver_host tar -xz -C /srv/fai/config/distro-install-common
  57
  58
  59 . /a/bin/distro-setup/pkgs
  60 pall+=($(/a/bin/buildscripts/emacs -p; /a/bin/distro-setup/distro-pkgs $distro))
  61 { echo PACKAGES install; echo "${pall[*]}"|sed 's/ /\n/g'; } | \
  62   ssh root@$faiserver_host dd of=/srv/fai/config/package_config/DESKTOP 2>/dev/null ||: # broken pipe
  63
  64
  65 rsync -rplt --delete /a/bin/fai-basefiles/basefiles root@$faiserver_host:/srv/fai/config
  66 ssh root@$faiserver_host bash <<'EOF'
  67 set -eE -o pipefail
  68 set -x
  69 # make it the root because pxe-kexec only looks there.
  70 # It wouldn't be too hard to change if we needed.
  71 # We could also just dump things in /srv/tftp, but fai
  72 # has some defaults, which I don't even use, which expect
  73 # the other directory, so it's kind of a tossup, whatever.
  74 sed -ri 's,^ *(TFTP_DIRECTORY=).*,\1"/srv/tftp/fai",' /etc/default/tftpd-hpa
  75 systemctl restart tftpd-hpa
  76 chmod 644 /srv/fai/config/files/root/.ssh/authorized_keys/GRUB_PC
  77 chmod -R a+rX /srv/fai/config/distro-install-common
  78
  79 changed=false
  80 f=/srv/fai/nfsroot/root/.ssh/known_hosts
  81 install -d -m 700 /srv/fai/nfsroot/root/.ssh
  82 # the known hosts entries that fai already sets up are like
  83 # IP,HOSTNAME key_info...
  84 # we are skipping the ip, because it doesn't block ssh
  85 # with a prompt as long as you have the user supplied hostname,
  86 # and i don't want to deal with getting it, it's not adding
  87 # any important security in this case.
  88 if ! grep -xFq "$line" $f &>/dev/null; then
  89     changed=true
  90     printf "%s\n" "$line" >>$f
  91 fi
  92
  93 if ! modprobe nfsd &>/dev/null; then
  94     # no apt-cache on maru debian, because we are low on space already
  95     sed -i '/^ *APTPROXY=/d' /srv/fai/config/class/DEBIAN.var
  96     # maru debian doesn't have loopback devs created
  97     if ! losetup -f; then
  98       shopt -s nullglob
  99       x=(/dev/loop*)
 100       minor=0
 101       if (( ${#x[@]} )); then
 102         minor=$(( ${x[-1]#/dev/loop} + 1 ))
 103       fi
 104       mknod -m660 /dev/loop$minor b 7 $minor
 105       losetup -f
 106     fi
 107     # -B boo only iso, no nfsroot, no paritial miorr, no config space.
 108     # -f = force, for overwriting
 109     # -S = make squash image for http booting
 110     # -d config space url, instead of putting it in the squash.img,
 111     #  this just makes it so that we don't have to regenerate the img
 112     #  when the config changes.
 113     cd /srv/fai/config
 114     tar czf /var/www/faiserver/html/config.tar.gz .
 115     if $changed || [[ ! -e /var/www/faiserver/html/squash.img ]]; then
 116       # note, on maru, selinux needs to be disabled in android before
 117       # this will work.
 118       mount
 119       export debug=true
 120       fai-cd -d http://faiserver:8080/config.tar.gz  -f -M -S /var/www/faiserver/html/squash.img
 121       mount
 122     fi
 123 fi
 124 EOF