#!/bin/bash
# just starts the discovery dnsmasq process
set -eux

# TODO(marios): add systemd Environment or EnvironmentFile and upstart
# env for IFACE and DISCOVERY_POOL
# IFACE=br-ctlplane
# DISCOVERY_POOL=192.0.2.100,192.0.2.120

install-packages dnsmasq dnsmasq-utils
# make sure tftpboot is labelled correctly
mkdir -p /tftpboot
restorecon -R /tftpboot
cat > /lib/systemd/system/discovery-dhcp-dnsmasq.service << eof
[Unit]
Description=Discovery dhcp dnsmasq service
After=openvswitch.service

[Service]
Type=forking
ExecStart=/sbin/dnsmasq --conf-file= \\
                  --port=0 \\
                  --enable-tftp \\
                  --tftp-root=/tftpboot \\
                  --dhcp-boot=pxelinux.0,localhost.localdomain,192.0.2.1 \\
                  --bind-interfaces \\
                  --pid-file=/var/run/dnsmasq.pid \\
                  --interface=br-ctlplane \\
                  --dhcp-range=192.0.2.100,192.0.2.120,29

[Install]
WantedBy=multi-user.target
Alias=discovery-dhcp-dnsmasq.service
eof

# Enable the service
os-svc-enable -n discovery-dhcp-dnsmasq