kdumpst/module-setup.sh.in

#  Only include kdump if it is explicitly asked in the argument list
check() {
	return 255
}

installkernel() {
	load_kdump_config

	#  First clear all unnecessary firmwares/drivers added by drm in order
	#  to reduce the size of the minimal initramfs being created - kdump
	#  is an non-graphical environment. This should have been already done
	#  via dracut cmdline arguments, but play safe and delete here as well.
	#  Our list include the most common FWs/drivers (amd, i915, nvidia)
	rm -rf "$initdir"/usr/lib/firmware/{amdgpu,i915,nvidia,radeon}
	rm -rf "$initdir"/usr/lib/modules/*/kernel/drivers/gpu/drm/{amd,i915,nouveau,radeon}

	FSMOD="$(findmnt -n -o FSTYPE --target "${MOUNT_FOLDER}")"
	if [ -z "${FSMOD}" ]; then
		logger "kdump: error on filesystem discovery"
		exit 1
	fi

	hostonly='' instmods "${FSMOD}"
}

install() {
	# A valid makedumpfile is essential for the kdump initrd creation.
	if [ ! -x "$(command -v makedumpfile)" ]; then
		logger "kdump: failed to create dracut initrd, makedumpfile is missing"
		exit 1
	fi

	load_kdump_config

	#  Install necessary binaries
	inst date
	inst sync
	inst makedumpfile

	#  Copying kdump config/lib files is essential for a functional kdump.
	cp -LR --preserve=all /usr/share/kdump.d/ "$initdir"/usr/share/
	cp -LR --preserve=all /usr/lib/kdump/ "$initdir"/usr/lib/

	#  Finally, we need to derive the proper place to save the dump from the
	#  config files, in a way that makes possible to mount it in early boot.
	DEVNODE="$(findmnt -n -o SOURCE --target "${MOUNT_FOLDER}")"
	if [ -z "${DEVNODE}" ]; then
		logger "kdump: error on devnode discovery"
		exit 1
	fi
	echo "${DEVNODE}" > "$initdir"/usr/lib/kdump/kdump.mnt

	TGT="$(findmnt -n -o TARGET --target "${MOUNT_FOLDER}")"
	if [ -z "${TGT}" ]; then
		logger "kdump: error on base folder discovery"
		exit 1
	fi

	BASE_FLD="${MOUNT_FOLDER#*$TGT}"
	echo "${BASE_FLD}" > "$initdir"/usr/lib/kdump/kdump.dir

	inst_hook pre-mount 01 "$moddir/kdump-collect.sh"
}