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

   1 #!/bin/bash -l
   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]
  25 Deploy fai config (the one in nfs) to HOST or default faiserver
  26 EOF
  27     exit $1
  28 }
  29 case $1 in
  30     -h|--help) usage ;;
  31 esac
  32
  33 host=${1:-faiserver}
  34
  35
  36 # i use faiserver as a dns alias, but ssh key is associated with
  37 # a canonical hostname and we will have ssh warning spam unless we
  38 # use it, so look it up just to avoid the warning spam.
  39 faiserver_host=$(chost $host) || faiserver_host=$host
  40
  41 rsync -rl --delete --relative --exclude /fai/config/basefiles/ fai/config root@$faiserver_host:/srv
  42
  43
  44 scp -q ~/.ssh/id_rsa.pub \
  45     root@$faiserver_host:/srv/fai/config/files/root/.ssh/authorized_keys/GRUB_PC
  46 # todo: automatically disable faiserver after a period so
  47 # these files are not exposed.
  48 s scp -qr /q/root/luks /q/root/shadow \
  49   root@$faiserver_host:/srv/fai/config/distro-install-common
  50
  51 # should tar ssh all the files, but these ones really justified it
  52 tar -cz /p/c/machine_specific/*/filesystem/etc/ssh | \
  53   ssh root@$faiserver_host tar -xz -C /srv/fai/config/distro-install-common
  54
  55
  56 # built BELENOS basefile with mk-basefile -J BELENOS64. it's stored in
  57 # it's own repo which is published alongside this one called
  58 # fai-basefiles due to being a large binary file.
  59
  60 declare -A sums
  61 while read -r sum file; do
  62     sums[$file]=$sum
  63 done < <(cat /a/bin/fai-basefiles/md5sums.txt)
  64
  65 { timeout 2 curl -s http://fai-project.org/download/basefiles/md5sums.txt ||:; } |
  66   while read -r sum file; do
  67       if [[ ${sums[$file]} && ${sums[$file]} != $sum ]]; then
  68         echo "${0##*/}: WARNING!!!!!!!!! NEW UPSTREAM BASEFILE: $file"
  69       fi
  70   done
  71 rsync -r --delete /a/bin/fai-basefiles/basefiles root@$faiserver_host:/srv/fai/config
  72 ssh root@$faiserver_host bash <<'EOF'
  73 set -eE -o pipefail
  74 set -x
  75 # make it the root because pxe-kexec only looks there.
  76 # It wouldn't be too hard to change if we needed.
  77 # We could also just dump things in /srv/tftp, but fai
  78 # has some defaults, which I don't even use, which expect
  79 # the other directory, so it's kind of a tossup, whatever.
  80 sed -ri 's,^ *(TFTP_DIRECTORY=).*,\1"/srv/tftp/fai",' /etc/default/tftpd-hpa
  81 systemctl restart tftpd-hpa
  82 chmod 644 /srv/fai/config/files/root/.ssh/authorized_keys/GRUB_PC
  83 chmod -R a+rX /srv/fai/config/distro-install-common
  84 # this basefile has tar acls bug, so I'm using my own
  85 # local one for now.
  86 #cd /srv/fai/config/basefiles
  87 #u=http://fai-project.org/download/basefiles/XENIAL64.tar.xz
  88 #wget -nv -N $u
  89
  90 changed=false
  91 f=/srv/fai/nfsroot/root/.ssh/known_hosts
  92 # the known hosts entries that fai already sets up are like
  93 # IP,HOSTNAME key_info...
  94 # we are skipping the ip, because it doesn't block ssh
  95 # with a prompt as long as you have the user supplied hostname,
  96 # and i don't want to deal with getting it, it's not adding
  97 # any important security in this case.
  98 if ! grep -xFq "$line" $f; then
  99     changed=true
 100     printf "%s\n" "$line" >>$f
 101 fi
 102
 103 if ! modprobe nfsd &>/dev/null; then
 104     # no apt-cache on maru debian, because we are low on space already
 105     sed -i '/^ *APTPROXY=/d' /srv/fai/config/class/DEBIAN.var
 106     # maru debian doesn't have loopback devs created
 107     if ! losetup -f; then
 108       shopt -s nullglob
 109       x=(/dev/loop*)
 110       minor=0
 111       if (( ${#x[@]} )); then
 112         minor=$(( ${x[-1]#/dev/loop} + 1 ))
 113       fi
 114       mknod -m660 /dev/loop$minor b 7 $minor
 115       losetup -f
 116     fi
 117     # -B boo only iso, no nfsroot, no paritial miorr, no config space.
 118     # -f = force, for overwriting
 119     # -S = make squash image for http booting
 120     # -d config space url, instead of putting it in the squash.img,
 121     #  this just makes it so that we don't have to regenerate the img
 122     #  when the config changes.
 123     cd /srv/fai/config
 124     tar czf /var/www/faiserver/html/config.tar.gz .
 125     if $changed || [[ ! -e /var/www/faiserver/html/squash.img ]]; then
 126       # note, on maru, selinux needs to be disabled in android before
 127       # this will work.
 128       mount
 129       export debug=true
 130       fai-cd -d http://faiserver:8080/config.tar.gz  -f -M -S /var/www/faiserver/html/squash.img
 131       mount
 132     fi
 133 fi
 134 EOF