iankelling.org Git - automated-distro-installer/blob - faiserver-setup

   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
  18 set -eE -o pipefail
  19 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
  20
  21 [[ $EUID == 0 ]] || exec sudo "${BASH_SOURCE}" "$@"
  22
  23 usage() {
  24     cat <<EOF
  25 usage: ${0##*/} [-h|--help]
  26 install fai-server on the current machine
  27
  28 Initial setup of a fai server on debian. works on localhost.
  29 Set's the current ip as the tftp server. I vaguely remember
  30 that using a hostname does not work.
  31 Separate from running this, faiserver needs to be setup in dns
  32 to point to whatever host this is run on.
  33 EOF
  34     exit $1
  35 }
  36 case $1 in
  37     -h|--help) usage ;;
  38 esac
  39
  40
  41 e() { echo "$@"; "$@"; }
  42
  43 # When stretch becomes stable, change this to stretch.
  44 # I've tested this with stretch, it works, but notably,
  45 # the automatic basefile getting will be for stretch
  46 # instead of jessie, so if you install jessie, you need
  47 # to setup the basefile and it's corresponding class.
  48 base=jessie
  49 sed="sed -ri --follow-symlinks"
  50
  51 if grep -xFq 'VERSION="9 (stretch)"' /etc/os-release; then
  52   # if we use stretch, no need for fai-project repo.
  53   # this will need to be updated when there is a codename
  54   # for stretch+1
  55   rm -f /etc/apt/sources.list.d/fai.list
  56 else
  57     wget -O - http://fai-project.org/download/074BCDE4.asc | apt-key add -
  58     cat >/etc/apt/sources.list.d/fai.list <<'EOF'
  59 deb http://fai-project.org/download jessie koeln
  60 EOF
  61 fi
  62
  63 # for ubuntu:
  64 #add-apt-repository -y ppa:fai/ppa
  65
  66 # for debian:
  67
  68
  69 apt-get update
  70
  71 # Relevant packages from fai-quickstart depends and fai-server recommends.
  72 # I especially do not wait isc-dhcp-server or an inetd
  73 apt-get install -y fai-doc nfs-kernel-server tftpd-hpa tar reprepro squashfs-tools binutils
  74 apt-get install --no-install-recommends -y fai-server
  75
  76 r=http://http.us.debian.org/debian
  77 # like default, but scrap httpredir, and nonfree.
  78 # All my systems should be able to get along without nonfree
  79 # for a base working system afaik.
  80 dd of=/etc/fai/apt/sources.list <<EOF
  81 deb $r $base main contrib
  82 deb http://security.debian.org/debian-security $base/updates main contrib
  83 EOF
  84
  85 if [[ $base == jessie ]]; then
  86   tee -a /etc/fai/apt/sources.list <<'EOF'
  87 # uncommenting this from the defaults. it's got bug fixes.
  88 # repository that may contain newer fai packages for jessie
  89 deb http://fai-project.org/download jessie koeln
  90 # fix tar https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=819978
  91 deb http://ftp.debian.org/debian jessie-backports main
  92 EOF
  93
  94   # note, fai doesn't look at /etc/fai/apt/preferences.d
  95   cat >/etc/fai/apt/preferences <<'EOF'
  96 Package: tar
  97 Pin: release a=jessie-backports
  98 Pin-Priority: 500
  99 EOF
 100 fi
 101
 102
 103 # tried out a stretch base, doesn't work yet.
 104 $sed -f - /etc/fai/nfsroot.conf <<EOF
 105 s,^( *FAI_DEBOOTSTRAP=).*,\1"$base $r",
 106 EOF
 107
 108 $sed 's/#LOGUSER/LOGUSER/' /etc/fai/fai.conf
 109 # from man fai-make-nfsroot,
 110 # figured out after partitioning ignored my crypt partition
 111
 112
 113 if ! grep cryptsetup /etc/fai/NFSROOT &>/dev/null; then
 114   $sed '/^PACKAGES install$/a cryptsetup' /etc/fai/NFSROOT
 115 fi
 116 e fai-setup -e -vf
 117 { head -n 1 /srv/fai/nfsroot/root/.ssh/known_hosts | awk '{print $1}' \
 118     | tr '\n' ' '; ssh-keyscan localhost | grep -o "ecdsa-sha2-nistp256.*"; \
 119   } >>/srv/fai/nfsroot/root/.ssh/known_hosts
 120
 121 # initially did the basic fai-chboot -Iv $std_arg default
 122 # but found in console that it wanted to mount nfsroot
 123 # to be the same as my dhcp server.
 124 # Figured out to change the root= parameter from googling,
 125 # and seeing fai-chboot -L
 126 # using hostname failed.
 127 # for -f, combined the 2 defaults so it will reboot and print to screen.
 128
 129 # Add debug to -f flag for more verbose output.
 130
 131 # make the faiserver also the apt proxy server
 132 apt-get -y install apt-cacher-ng
 133
 134 # background on choosing apt-cacher-ng:
 135 # googling around a bit finds 2 main solutions:
 136 # http://askubuntu.com/questions/3503/best-way-to-cache-apt-downloads-on-a-lan
 137 # apt-cacher-ng doesn't have zeroconf.
 138 # It touts having minimal dependencies, but I don't care.
 139 # The downside to squid-deb-proxy is that it's config is for specific repos,
 140 # you have to add all the repos you use.
 141 # That is the main reason I use apt-cacher-ng.
 142 # It has a web portal, at http://faiserver:3142/acng-report.html
 143
 144
 145 # random fai note: as far as I can tell, profiles are just for putting
 146 # in a selectable boot menu, which I don't want.
 147
 148 # the logsave prompted because the hostname faiserver was uknown.
 149 # Here it was faiserver.lan when running from a faiserver vm.
 150 # When running from a normal host with faiserver alias, it was the normal hosts name.
 151 $sed 's/(^[^,]+,)\S+/\1faiserver/' /srv/fai/nfsroot/root/.ssh/known_hosts
 152 # ditch the logo banner up top which screws with less.
 153 touch /srv/fai/nfsroot/.nocolorlogo