diff options
Diffstat (limited to 'server-build/my-simple-cdd/01-make-iso.sh')
| -rwxr-xr-x | server-build/my-simple-cdd/01-make-iso.sh | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/server-build/my-simple-cdd/01-make-iso.sh b/server-build/my-simple-cdd/01-make-iso.sh new file mode 100755 index 0000000..241af11 --- /dev/null +++ b/server-build/my-simple-cdd/01-make-iso.sh @@ -0,0 +1,66 @@ +#!/bin/sh + +# Shell script to build the ISO. +# We use simple-cdd, but then need to patch the resulting +# ISO to avoid GRUB/isolinux prompting for the installation +# method and to avoid the Debian installer from asking questions +# about the language (which it does before reading the preseed +# file with the configuration, so those MUST be passed via +# kernel parameters. Badly documented!). + +# What does not yet work: +# - Debian installer asks for the 'wootaler' profile. +# (not sure which option to set in profiles/wootaler.preseed, +# or if using 'profiles' is the wrong approach entirely here) + +set -eu + +ISO=installer.iso + +if [ -f $ISO ] +then + echo "Confirm removal of existing '$ISO' by pressing 'y':" + rm -i $ISO + if [ -f $ISO ] + then + echo "'$ISO' already exists, exiting..." + exit 0 + fi +fi + +# Will create images/debian-10-amd64-CD-1.iso +export KERNEL_PARAMS="preseed/file=/cdrom/simple-cdd/default.preseed locale=en_US.UTF-8 keymap=us language=en country=US" + +build-simple-cdd --verbose --profiles wootaler --auto-profiles wootaler --dist buster + +# Use shell variable, in case the above changes in the future... +IMG=images/debian-10-amd64-CD-1.iso + +# Create directory for unpacking the ISO +rm -rf cd/ +mkdir cd/ +bsdtar -C cd/ -xf $IMG +chmod -R +w cd/ + +# Modify ISO + +# This may seem to have no effect, as GRUB is usually not used to boot the ISO. +# But, just better be safe. +# Make sure to also adjust kernel parameters here! +cp iso/grub.cfg cd/boot/grub/ + +# Change 'timeout' to 2 to ensure we boot non-interactively +cp iso/isolinux.cfg cd/isolinux/ +# Remove graphical installer option from menu, so text-based is first +cp iso/menu.cfg cd/isolinux/ +# Adds kernel parameters to setup language in Debian installer +cp iso/txt.cfg cd/isolinux/ + + +# Finally, pack the ISO +# Extract header from original ISO +dd if=$IMG bs=1 count=432 of=isohdpfx.bin +xorriso -as mkisofs -o $ISO -isohybrid-mbr isohdpfx.bin -c isolinux/boot.cat -b isolinux/isolinux.bin -no-emul-boot -boot-load-size 4 -boot-info-table ./cd + +# Delete temporary files +rm isohdpfx.bin -r cd/ |