#!/bin/sh

### BEGIN INIT INFO
# Provides:
# Required-Start: $remote_fs $network $syslog
# Required-Stop: $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Neutron Test Config
# Description: OpenStack Neutron Test Config
### END INIT INFO


OVS_NEUTRON_PLUGIN=/etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini


start()
{
    local eth_dev="%NEUTRON_CONF_EXT_ETH_IF%"
    local ip="%COMPUTE_IP%"
    local ip_subnet="`echo $ip | cut -d '.' -f 1`.`echo $ip | cut -d '.' -f 2`.`echo $ip | cut -d '.' -f 3`"
    if [ -z "$gate_way" ]; then
        local gate_way="${ip_subnet}.1"
    fi

    sed -i "s/^# Example: network_vlan_ranges = physnet1:1000:2999/network_vlan_ranges = ph-eth0:1:1/" $OVS_NEUTRON_PLUGIN
    sed -i "s/^network_vlan_ranges = .*/network_vlan_ranges = ph-eth0:1:1/" $OVS_NEUTRON_PLUGIN
    sed -i "s/^# Example: bridge_mappings = physnet1:br-eth1/bridge_mappings = ph-eth0:br-eth0/" $OVS_NEUTRON_PLUGIN
    sed -i "s/^bridge_mappings = .*/bridge_mappings = ph-eth0:br-eth0/" $OVS_NEUTRON_PLUGIN
    sed -i "s/^local_ip = .*/local_ip = ${ip}/" $OVS_NEUTRON_PLUGIN

    # Setup host OVS
    ovs-vsctl add-br br-${eth_dev}
    ovs-vsctl add-port br-${eth_dev} ${eth_dev}
    ifconfig ${eth_dev} 0.0.0.0
    ifconfig br-${eth_dev} ${ip}/16
    route add default gw $gate_way

    /etc/init.d/neutron-openvswitch-agent stop
    /etc/init.d/nova-compute reload
    /etc/init.d/neutron-openvswitch-agent start
}

case "$1" in
    start)
        start
        ;;
    stop|force-reload|restart|reload|status)
        echo "WARNING: command $1 is not supported"
        ;;
    *)
        echo "Usage: $0 {start|stop|force-reload|restart|reload|status}"
        exit 1
        ;;
esac

exit 0