diskimage-builder/diskimage_builder/elements/simple-init/install.d/50-simple-init

#!/bin/bash
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
#
# See the License for the specific language governing permissions and
# limitations under the License.

if [ ${DIB_DEBUG_TRACE:-1} -gt 0 ]; then
    set -x
fi
set -eu
set -o pipefail

SCRIPTDIR=$(dirname $0)

# Ensure the 8021q module is loaded so that glean can support tagged interfaces
echo "8021q" >> /etc/modules

enable_nm=""
if [[ ${DIB_SIMPLE_INIT_NETWORKMANAGER} != 0 ]]; then
    enable_nm="--use-nm"
fi

no_dhcp_fallback=""
if [[ ${DIB_SIMPLE_INIT_NO_DHCP_FALLBACK:-0} != 0 ]]; then
    no_dhcp_fallback="--no-dhcp-fallback"
fi

glean-install ${enable_nm} ${no_dhcp_fallback}