X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=fai%2Fconfig%2Fscripts%2FDEBIAN%2F11-iank;fp=fai%2Fconfig%2Fscripts%2FDEBIAN%2F11-iank;h=9a067b1accea5613c77f45f61d689788dd774826;hb=14f283f82afc48d6cec1bb7498ec34ac2b0da77c;hp=0000000000000000000000000000000000000000;hpb=bd3227e34e549257fee819cf6bd50fe202ca7996;p=automated-distro-installer

diff --git a/fai/config/scripts/DEBIAN/11-iank b/fai/config/scripts/DEBIAN/11-iank
new file mode 100755
index 0000000..9a067b1
--- /dev/null
+++ b/fai/config/scripts/DEBIAN/11-iank
@@ -0,0 +1,78 @@
+#!/bin/bash -x
+
+set -eE -o pipefail
+trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
+
+if [[ $EUID != 0 ]]; then
+  echo "$0: error: expected to be root."
+  exit 1
+fi
+
+fcopy -riBM /root
+
+
+#### misc configurations
+chroot $FAI_ROOT bash <<'EOFOUTER'
+if getent group systemd-journal >/dev/null; then
+  # makes the journal be saved to disk.
+  mkdir -p /var/log/journal
+  chmod 755 /var/log/journal
+fi
+debconf-set-selections <<EOF
+kexec-tools kexec-tools/load_kexec boolean false
+EOF
+apt-get install -y pxe-kexec
+
+# this is usefull. Only thing reason I see this being disabled by default is
+# that a non-root user can disrupt the system, eg cause a reboot.
+sed -i '$a kernel.sysrq=1
+/^kernel.sysrq=/d' /etc/sysctl.conf
+
+EOFOUTER
+
+# luks options, see man systemd-cryptsetup-generator
+# all i know is that with luks.crypttab=no, swap still timed out on boot.
+# and with rd.luks.crypttab=no, it works.
+cmdline="rd.luks.crypttab=no net.ifnames=0 $cmdline_extra"
+
+
+chroot $FAI_ROOT bash <<EOF
+set -eE -o pipefail
+# https://askubuntu.com/questions/33416/how-do-i-disable-the-boot-splash-screen-and-only-show-kernel-and-boot-text-inst
+
+sed -ri 's/(^GRUB_CMDLINE_LINUX_DEFAULT=")quiet/\1/;s/^(GRUB_CMDLINE_LINUX_DEFAULT=".*) quiet([ "])/\1\2/' /etc/default/grub
+sed -ri 's/(^GRUB_CMDLINE_LINUX_DEFAULT=")splash/\1/;s/^(GRUB_CMDLINE_LINUX_DEFAULT=".*) splash([ "])/\1\2/' /etc/default/grub
+
+for arg in $cmdline; do
+  if ! grep "^GRUB_CMDLINE_LINUX_DEFAULT=.*[\" ]\${arg//./\\.}[\" ]" /etc/default/grub; then
+    sed -ri "s/^GRUB_CMDLINE_LINUX_DEFAULT=\"(.*)/GRUB_CMDLINE_LINUX_DEFAULT=\"\$arg \1/" /etc/default/grub
+  fi
+done
+
+if grep -qF "$cmdline" /etc/default/grub; then
+  # already set things, exit
+  exit 0
+fi
+sed -ri 's/^ *GRUB_CMDLINE_LINUX_DEFAULT=.*/GRUB_CMDLINE_LINUX_DEFAULT="$cmdline"/' /etc/default/grub
+sed -ri 's/^ *GRUB_TIMEOUT_STYLE=.*/GRUB_TIMEOUT_STYLE=menu/' /etc/default/grub
+sed -ri 's/^ *GRUB_TIMEOUT=.*/GRUB_TIMEOUT=6/' /etc/default/grub
+# on xenial, no grub is displayed at all. fix that.
+# found just by noticing this in the config file, and a
+# warning about it in error.log
+sed -i '/^ *GRUB_HIDDEN_TIMEOUT/d' /etc/default/grub
+
+if type -P update-grub2 &>/dev/null; then
+  update-grub2
+else
+  update-grub
+fi
+
+EOF
+
+
+# I prefer to stick with ifup/down or networkmanager: networkd is not in its
+# own package, so cant use in other init systems. b. it works fine.
+chroot $FAI_ROOT bash <<EOF
+systemctl disable systemd-networkd.socket systemd-networkd networkd-dispatcher systemd-networkd-wait-online
+systemctl mask systemd-networkd.socket systemd-networkd networkd-dispatcher systemd-networkd-wait-online
+EOF