path: root/builder/modules.d/dnbd3-rootfs/hooks/fetch-config.sh

#!/usr/bin/env bash
# -*- coding: utf-8 -*-
# region imports
source '/usr/lib/rebash/core.sh'
core.import exceptions
core.import logging
type emergency_shell >/dev/null 2>&1 || source /lib/dracut-lib.sh
# endregion
exceptions.try
{
[[ "$SLX_LOG_FILE_PATH" == "" ]] && SLX_LOG_FILE_PATH=/var/log/openslx
logging.set_log_file "$SLX_LOG_FILE_PATH"

# NOTE: "getarg" raises an exception so deactivate exceptions for now.
exceptions.deactivate
configuration_file_name="$(getarg slx_configuration_filename=)"
if [ -z "$configuration_file_name" ]; then
	configuration_file_name='config'
fi
slx_server="$(getarg slxsrv=)"
slx_server_base="$(getarg slxbase=)"
exceptions.activate

# check if system's uuid was set
if [ -s "/run/system-uuid" ]; then
	uuid=$(cat "/run/system-uuid")
	if [ -n "$uuid" ]; then
		uuid_url="?uuid=$uuid"
	fi
fi

logging.info "Download SLX configuration from: \"$slx_server\"."
(
IFS=','
for TIMEOUT in 1 1 2 3; do
	if wget -q -t 2 -T $TIMEOUT \
		"http://${slx_server#@}/${slx_server_base}/${configuration_file_name}${uuid_url}" \
		--output-document '/etc/openslx.tmp'; then
		break
	fi
done
)

if [[ ! -s "/etc/openslx.tmp" ]]; then
	logging.warn "Downloading OpenSLX configuration file from any of the servers \"${slx_server}\" at location \"${slx_server_base}/${configuration_file_name}\" failed. Return code: $return_code"
	return 1
fi

# mark that the configuration variables came from remote
sed -i '1i#_RCONFIG_TAG' /etc/openslx

# slxsrv overrides SLX_DNBD3_SERVERS if prefixed with @
[ "${slx_server#@}" != "${slx_server}" ] && sed -i "s/^SLX_DNBD3_SERVERS=.*/SLX_DNBD3_SERVERS='${slx_server#@}'/" "/etc/openslx"

}
exceptions.catch
{
	logging.error "$exceptions_last_traceback"
	emergency_shell "error in ${BASH_SOURCE[0]}"
}
# region vim modline
# vim: set tabstop=4 shiftwidth=4 expandtab:
# vim: foldmethod=marker foldmarker=region,endregion:
# endregion