# common functions for ovs based plugin
# -------------------------------------

# Save trace setting
MY_XTRACE=$(set +o | grep xtrace)
set +o xtrace

function is_quantum_ovs_base_plugin() {
    # Yes, we use OVS.
    return 0
}

function _quantum_ovs_base_setup_bridge() {
    local bridge=$1
    quantum-ovs-cleanup
    sudo ovs-vsctl --no-wait -- --may-exist add-br $bridge
    sudo ovs-vsctl --no-wait br-set-external-id $bridge bridge-id $bridge
}

function _quantum_ovs_base_install_agent_packages() {
    local kernel_version
    # Install deps
    # FIXME add to ``files/apts/quantum``, but don't install if not needed!
    if is_ubuntu; then
        kernel_version=`cat /proc/version | cut -d " " -f3`
        install_package make fakeroot dkms openvswitch-switch openvswitch-datapath-dkms linux-headers-$kernel_version
    elif is_fedora; then
        install_package openvswitch
        # Ensure that the service is started
        restart_service openvswitch
    elif is_suse; then
        ### FIXME: Find RPMs for OpenVSwitch
        echo "OpenVSwitch packages need to be located"
        restart_service openvswitch
    fi
}

function _quantum_ovs_base_configure_debug_command() {
    iniset $QUANTUM_TEST_CONFIG_FILE DEFAULT external_network_bridge $PUBLIC_BRIDGE
}

function _quantum_ovs_base_configure_l3_agent() {
    iniset $Q_L3_CONF_FILE DEFAULT external_network_bridge $PUBLIC_BRIDGE

    quantum-ovs-cleanup
    sudo ovs-vsctl --no-wait -- --may-exist add-br $PUBLIC_BRIDGE
    # ensure no IP is configured on the public bridge
    sudo ip addr flush dev $PUBLIC_BRIDGE
}

# Restore xtrace
$MY_XTRACE