ISO/archiso/initcpio/hooks/archiso_pxe_nbd
David Runge e264b44682
Add license and basic documentation
LICENSE:
Add GPL-3.0 license.

{{archiso,configs}/*,.editorconfig,.gitlab-ci.yml}:
Add SPDX license identifier.

Makefile:
Add SPDX license identifier.
Install the `run_archiso.sh` script as global executable `run_archiso`.
Use -D and -t flags to install to install files more generically (without a previous call to install the directory).

README.rst:
Add README outlining the project's scope, how to build images from the profiles and how to test.

AUTHORS.rst:
Add list of all direct contributors to the repository.

CONTRIBUTING.rst:
Add basic contribution guidelines, explaining the linter and the license in use.

Closes #7
Closes #3
2020-07-29 14:27:48 +02:00

54 lines
1.5 KiB
Bash

#!/bin/ash
#
# SPDX-License-Identifier: GPL-3.0-or-later
run_earlyhook() {
# shellcheck disable=SC2154
# defined via initcpio's parse_cmdline()
if [ -n "${ip}" ] && [ -n "${archiso_nbd_srv}" ]; then
# Module autoloading like with loop devices does not work, doing manually...
modprobe nbd 2> /dev/null
fi
}
run_hook() {
if [ -n "${ip}" ] && [ -n "${archiso_nbd_srv}" ]; then
archiso_nbd_srv=$(eval echo "${archiso_nbd_srv}")
[ -z "${archiso_nbd_name}" ] && archiso_nbd_name="archiso"
export mount_handler="archiso_pxe_nbd_mount_handler"
fi
}
archiso_pxe_nbd_mount_handler () {
newroot="${1}"
msg ":: Waiting for boot device..."
while ! poll_device /dev/nbd0 30; do
echo "ERROR: boot device didn't show up after 30 seconds..."
echo " Falling back to interactive prompt"
echo " You can try to fix the problem manually, log out when you are finished"
launch_interactive_shell
done
msg ":: Setup NBD from ${archiso_nbd_srv} at /dev/nbd0"
if [ "${copytoram}" != "n" ]; then
nbd-client "${archiso_nbd_srv}" -N "${archiso_nbd_name}" /dev/nbd0
copytoram="y"
else
nbd-client "${archiso_nbd_srv}" -N "${archiso_nbd_name}" -systemd-mark -persist /dev/nbd0
fi
export archisodevice=/dev/nbd0
archiso_mount_handler "${newroot}"
if [ "${copytoram}" = "y" ]; then
msg ":: Disconnect NBD from ${archiso_nbd_srv} at /dev/nbd0"
nbd-client -d /dev/nbd0
fi
}
# vim: set ft=sh: