iankelling.org Git - automated-distro-installer/blob - fai/config/scripts/GRUB_PC/11-iank

   1 #!/bin/bash -x
   2
   3 set -eE -o pipefail
   4 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
   5
   6 if [[ $EUID != 0 ]]; then
   7   echo "$0: error: expected to be root."
   8   exit 1
   9 fi
  10
  11 if ! type -t fcopy &>/dev/null; then
  12   sudo apt-get -y install fai-client
  13 fi
  14
  15 chroot $FAI_ROOT bash <<'EOFOUTER'
  16 set -eE -o pipefail
  17 if getent group systemd-journal >/dev/null; then
  18   # makes the journal be saved to disk.
  19   mkdir -p /var/log/journal
  20   chmod 755 /var/log/journal
  21 fi
  22 debconf-set-selections <<EOF
  23 kexec-tools kexec-tools/load_kexec boolean false
  24 EOF
  25 apt-get install -y pxe-kexec
  26 EOFOUTER
  27
  28 # -r = recursive
  29 # -i = ignore non-matching class warnings, always exit 0
  30 # -B = no backup files
  31 fcopy -riBM /boot
  32 # this is also done by FABASE/10-misc by default.
  33 fcopy -riBM /root
  34
  35
  36 src=$FAI/distro-install-common/shadow
  37 dst=/q/root/shadow
  38 if [[ ! -e $dst && -e $src ]]; then
  39   # outside of fai context, we skip this
  40   mkdir -p $dst
  41   mount -o bind $src $dst
  42 fi
  43
  44 $FAI/distro-install-common/end
  45 if ifclass VOL_STRETCH_BOOTSTRAP; then
  46   fcopy -riM /etc/systemd/system
  47   chroot $FAI_ROOT bash <<'EOFOUTER'
  48 systemctl enable fai_check.service
  49 EOFOUTER
  50   exit 0 # avoid unnecessary stuff in bootstrap vol
  51 fi
  52
  53
  54 # these get copied in an earlier stage by fai, but leaving it here since
  55 # I run this as a single post-fai script to update things that have changed.
  56 fcopy -riBM /etc/apt
  57 # outside of fai, this seems to regularly lead to
  58 # E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily unavailable)
  59 # so add a sleep. 1 sec is probably way more than needed.
  60 sleep 1
  61 f=$FAI_ROOT/var/cache/apt/pkgcache.bin
  62 if [[ ! -r $f ]] || (( $(( $(date +%s) - $(stat -c %Y $f ) )) > 60*60*2 )); then
  63   $ROOTCMD apt-get update
  64 fi
  65
  66
  67 chroot $FAI_ROOT bash <<'EOF'
  68 #### begin .ssh setup ###
  69 set -eE -o pipefail
  70 mkdir -p /home/iank/.ssh
  71 f=/root/.ssh/authorized_keys
  72 if [[ -e $f ]]; then
  73    cp $f /home/iank/.ssh
  74 fi
  75 chown -R 1000:1000 /home/iank/.ssh
  76 chmod -R u=Xrw,og= /home/iank/.ssh
  77 rm -rf /root/.ssh
  78 # remove broken symlinks or the following cp will fail
  79 find /home/iank/.ssh -xtype l -exec rm '{}' \;
  80 cp -rL /home/iank/.ssh /root
  81 chown -R root:root /root/.ssh
  82 chmod 700 /root/.ssh
  83 #### end .ssh setup ###
  84
  85 # this is needed to enable resolvconf, making /etc/resolv.conf be a symlink.
  86 # why? i dun know, it\'s really  dumb.
  87 dpkg-reconfigure -fnoninteractive resolvconf
  88
  89 # default jessie groups + kvm, systemd-journal, adm
  90 usermod -aG adm,cdrom,floppy,sudo,audio,dip,video,plugdev,netdev iank
  91
  92 if getent group systemd-journal >/dev/null; then
  93   usermod -aG systemd-journal iank
  94 fi
  95
  96
  97 # this is usefull. Only thing reason I see this being disabled by default is
  98 # that a normal user can disrupt the system, eg cause a reboot.
  99 sed -i '$a kernel.sysrq=1
 100 /^kernel.sysrq=/d' /etc/sysctl.conf
 101 EOF
 102
 103
 104 if [[ $FAI_ACTION != dirinstall ]]; then
 105
 106
 107   if ifclass LINODE; then
 108     speed=19200
 109     # luks.crypttab=no see man systemd-cryptsetup-generator
 110     cmdline="luks.crypttab=no console=ttyS0,${speed}n8"
 111   else
 112     speed=115200
 113     cmdline="luks.crypttab=no console=ttyS0,${speed} console=tty0"
 114   fi
 115
 116   cat >$FAI_ROOT/etc/grub.d/40_custom <<EOF
 117 #!/bin/sh
 118 exec tail -n +3 \$0
 119 # This file provides an easy way to add custom menu entries.  Simply type the
 120 # menu entries you want to add after this comment.  Be careful not to change
 121 # the 'exec tail' line above.
 122
 123 # https://www.coreboot.org/Serial_console # tty
 124 # but removed unneeded stuff
 125
 126 serial --speed=$speed
 127 terminal_input --append  serial
 128 terminal_output --append serial
 129 EOF
 130
 131
 132   chroot $FAI_ROOT bash <<EOF
 133 set -eE -o pipefail
 134 # https://askubuntu.com/questions/33416/how-do-i-disable-the-boot-splash-screen-and-only-show-kernel-and-boot-text-inst
 135 # we remove quiet and splash, and all thats left is what we want
 136
 137 if grep -qF "$cmdline" /etc/default/grub; then
 138   # already set things, exit
 139   exit 0
 140 fi
 141 sed -ri 's/^ *GRUB_CMDLINE_LINUX_DEFAULT=.*/GRUB_CMDLINE_LINUX_DEFAULT="$cmdline"/' /etc/default/grub
 142 # on xenial, no grub is displayed at all. fix that.
 143 # found just by noticing this in the config file, and a
 144 # warning about it in error.log
 145 sed -i '/^ *GRUB_HIDDEN_TIMEOUT/d' /etc/default/grub
 146
 147 update-grub2
 148 EOF
 149
 150   if [[ ! FAI_WRAPPER ]]; then
 151     chroot $FAI_ROOT bash <<EOF
 152 # Just include all of them for now incase we are creating
 153 # an install for a different machine.. in distro-begin, we
 154 # slim it down to whats used.
 155 find /lib/modules/*/kernel/drivers/net /lib/modules/*/kernel/net -type f -name '*.ko' -printf "%f\n" | sed 's/.ko$//' | sort -u >/etc/initramfs-tools/modules
 156 update-initramfs -u -k all
 157 EOF
 158   fi
 159 fi
 160
 161
 162 # reading through the groups that iank is in but user2 isn't,
 163 for g in plugdev audio video cdrom; do
 164   $ROOTCMD usermod -a -G $g user2
 165 done