| #!/bin/bash |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you 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. |
| |
| # Create the script in the /opt/bin directory |
| SCRIPT_PATH="/usr/local/bin/update-netplan.sh" |
| |
| cat <<'EOF' > $SCRIPT_PATH |
| #!/bin/bash |
| |
| echo "New interface detected: $INTERFACE" >> /var/log/interface-events.log |
| CONFIG_FILE="/etc/netplan/config.yaml" |
| |
| # Generate a new netplan configuration |
| echo "network:" > $CONFIG_FILE |
| echo " ethernets:" >> $CONFIG_FILE |
| |
| # Loop through all available interfaces |
| for iface in $(ls /sys/class/net | grep -vE '^lo$'); do |
| cat <<EOL >> $CONFIG_FILE |
| $iface: |
| dhcp4: true |
| EOL |
| done |
| |
| chmod 600 $CONFIG_FILE |
| |
| netplan apply |
| EOF |
| |
| tee /etc/systemd/system/update-netplan.service <<EOF |
| [Unit] |
| Description=Update netplan configuration on boot |
| After=network.target |
| |
| [Service] |
| Type=oneshot |
| ExecStart=/usr/local/bin/update-netplan.sh |
| |
| [Install] |
| WantedBy=multi-user.target |
| EOF |
| |
| chmod 600 /etc/netplan/config.yaml |
| chmod 777 $SCRIPT_PATH |
| |
| systemctl daemon-reload || true |
| systemctl enable update-netplan.service || true |
| systemctl start update-netplan.service || true |
