# lib/quantum
# functions - funstions specific to quantum

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

# Configures keystone integration for quantum service and agents
function quantum_setup_keystone() {
    local conf_file=$1
    local section=$2
    local use_auth_url=$3
    if [[ -n $use_auth_url ]]; then
        iniset $conf_file $section auth_url "$KEYSTONE_SERVICE_PROTOCOL://$KEYSTONE_AUTH_HOST:$KEYSTONE_AUTH_PORT/v2.0"
    else
        iniset $conf_file $section auth_host $KEYSTONE_SERVICE_HOST
        iniset $conf_file $section auth_port $KEYSTONE_AUTH_PORT
        iniset $conf_file $section auth_protocol $KEYSTONE_SERVICE_PROTOCOL
    fi
    iniset $conf_file $section admin_tenant_name $SERVICE_TENANT_NAME
    iniset $conf_file $section admin_user $Q_ADMIN_USERNAME
    iniset $conf_file $section admin_password $SERVICE_PASSWORD
}

function quantum_setup_ovs_bridge() {
    local bridge=$1
    for PORT in `sudo ovs-vsctl --no-wait list-ports $bridge`; do
        if [[ "$PORT" =~ tap* ]]; then echo `sudo ip link delete $PORT` > /dev/null; fi
        sudo ovs-vsctl --no-wait del-port $bridge $PORT
    done
    sudo ovs-vsctl --no-wait -- --if-exists del-br $bridge
    sudo ovs-vsctl --no-wait add-br $bridge
    sudo ovs-vsctl --no-wait br-set-external-id $bridge bridge-id $bridge
}

function quantum_setup_external_bridge() {
    local bridge=$1
    # Create it if it does not exist
    sudo ovs-vsctl --no-wait -- --may-exist add-br $bridge
    # remove internal ports
    for PORT in `sudo ovs-vsctl --no-wait list-ports $bridge`; do
        TYPE=$(sudo ovs-vsctl get interface $PORT type)
        if [[ "$TYPE" == "internal" ]]; then
            echo `sudo ip link delete $PORT` > /dev/null
            sudo ovs-vsctl --no-wait del-port $bridge $PORT
        fi
    done
    # ensure no IP is configured on the public bridge
    sudo ip addr flush dev $bridge
}

function is_quantum_ovs_base_plugin() {
    local plguin=$1
    if [[ ",openvswitch,ryu," =~ ,${plugin}, ]]; then
        return 0
    fi
    return 1
}

# Restore xtrace
$XTRACE