packer/packer_templates/osm/scripts/networking.sh

   1 #!/bin/sh -eux
   2
   3 #   Licensed under the Apache License, Version 2.0 (the "License");
   4 #   you may not use this file except in compliance with the License.
   5 #   You may obtain a copy of the License at
   6 #
   7 #       http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 #   Unless required by applicable law or agreed to in writing, software
  10 #   distributed under the License is distributed on an "AS IS" BASIS,
  11 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 #   See the License for the specific language governing permissions and
  13 #   limitations under the License.
  14
  15 ubuntu_version="`lsb_release -r | awk '{print $2}'`";
  16 major_version="`echo $ubuntu_version | awk -F. '{print $1}'`";
  17
  18 if [ "$major_version" -ge "18" ]; then
  19 echo "Create netplan config for eth0"
  20 cat <<EOF >/etc/netplan/01-netcfg.yaml;
  21 network:
  22   version: 2
  23   ethernets:
  24     eth0:
  25       dhcp4: true
  26 EOF
  27 else
  28   # Adding a 2 sec delay to the interface up, to make the dhclient happy
  29   echo "pre-up sleep 2" >> /etc/network/interfaces;
  30 fi
  31
  32 if [ "$major_version" -ge "16" ]; then
  33   # Disable Predictable Network Interface names and use eth0
  34   sed -i 's/en[[:alnum:]]*/eth0/g' /etc/network/interfaces;
  35   sed -i 's/GRUB_CMDLINE_LINUX="\(.*\)"/GRUB_CMDLINE_LINUX="net.ifnames=0 biosdevname=0 \1"/g' /etc/default/grub;
  36   update-grub;
  37 fi