#!/bin/bash
set -e

LAB_NAME="{{ gateway_config.lab_name }}"
VNI="{{ gateway_config.vni }}"
BR_IF="br-${LAB_NAME}"
VXLAN_IF="vxlan${VNI}"
LAB_IF="{{ gateway_config.lab_if }}"

# Wait for VXLAN interface
timeout=30
while [ $timeout -gt 0 ]; do
    if ip link show ${VXLAN_IF} >/dev/null 2>&1; then
        break
    fi
    sleep 1
    timeout=$((timeout-1))
done

# Create bridge
if ! ip link show ${BR_IF} &>/dev/null; then
    ip link add ${BR_IF} type bridge
    ip link set ${BR_IF} type bridge stp_state {{ bridge_stp | ternary('1', '0') }}
    ip link set ${BR_IF} type bridge forward_delay {{ bridge_forward_delay }}
fi

# Add interfaces to bridge
ip link set ${VXLAN_IF} master ${BR_IF}
ip link set ${LAB_IF} master ${BR_IF}

# Configure bridge IP (for DHCP server)
ip addr flush dev ${BR_IF}
ip addr add {{ gateway_config.subnet | ipaddr('1') | ipaddr('address') }}/{{ gateway_config.subnet | ipaddr('prefix') }} dev ${BR_IF}

# Bring everything up
ip link set ${LAB_IF} up
ip link set ${VXLAN_IF} up
ip link set ${BR_IF} up