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#
# Copyright (C) 2013 eNovance SAS <licensing@enovance.com>
#
# Author: Emilien Macchi <emilien.macchi@enovance.com>
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
# neutron::plugins::ml2::type_driver used by neutron::plugins::ml2
#
# === Parameters:
#
# [*flat_networks*]
# (required) List of physical_network names with which flat networks can be created.
# Use * to allow flat networks with arbitrary physical_network names.
#
# [*tunnel_id_ranges*]
# (required) Comma-separated list of <tun_min>:<tun_max> tuples enumerating ranges
# of GRE tunnel IDs that are available for tenant network allocation
#
# [*network_vlan_ranges*]
# (required) List of <physical_network>:<vlan_min>:<vlan_max> or <physical_network>
# specifying physical_network names usable for VLAN provider and tenant networks, as
# well as ranges of VLAN tags on each available for allocation to tenant networks.
#
# [*vni_ranges*]
# (required) Comma-separated list of <vni_min> tuples enumerating ranges of VXLAN VNI IDs
# that are available for tenant network allocation.
#
# [*vxlan_group*]
# (required) Multicast group for VXLAN. If unset, disables VXLAN multicast mode.
#
# [*max_header_size*]
# (optional) Geneve encapsulation header size is dynamic, this value is used to calculate
# the maximum MTU for the driver.
#
define neutron::plugins::ml2::type_driver (
$flat_networks,
$tunnel_id_ranges,
$network_vlan_ranges,
$vni_ranges,
$vxlan_group,
$max_header_size
){
include neutron::deps
if ($name == 'flat') {
neutron_plugin_ml2 {
'ml2_type_flat/flat_networks': value => join(any2array($flat_networks), ',');
}
}
elsif ($name == 'gre') {
# tunnel_id_ranges is required in gre
if ! $tunnel_id_ranges {
fail('when gre is part of type_drivers, tunnel_id_ranges should be given.')
}
validate_tunnel_id_ranges($tunnel_id_ranges)
neutron_plugin_ml2 {
'ml2_type_gre/tunnel_id_ranges': value => join(any2array($tunnel_id_ranges), ',');
}
}
elsif ($name == 'vlan') {
# network_vlan_ranges is required in vlan
if ! $network_vlan_ranges {
fail('when vlan is part of type_drivers, network_vlan_ranges should be given.')
}
validate_network_vlan_ranges($network_vlan_ranges)
neutron_plugin_ml2 {
'ml2_type_vlan/network_vlan_ranges': value => join(any2array($network_vlan_ranges), ',');
}
}
elsif ($name == 'vxlan') {
# vni_ranges and vxlan_group are required in vxlan
if (! $vni_ranges) or (! $vxlan_group) {
fail('when vxlan is part of type_drivers, vni_ranges and vxlan_group should be given.')
}
# test multicast ip address (ipv4 else ipv6):
case $vxlan_group {
/^2[\d.]+$/: {
case $vxlan_group {
/^(22[4-9]|23[0-9])\.(\d+)\.(\d+)\.(\d+)$/: { }
default: { }
}
}
/^ff[\d.]+$/: { }
default: {
fail("${vxlan_group} is not valid for vxlan_group.")
}
}
validate_vni_ranges($vni_ranges)
neutron_plugin_ml2 {
'ml2_type_vxlan/vxlan_group': value => $vxlan_group;
'ml2_type_vxlan/vni_ranges': value => join(any2array($vni_ranges), ',');
}
}
elsif ($name == 'local') {
warning('local type_driver is useful only for single-box, because it provides no connectivity between hosts')
}
elsif ($name == 'geneve') {
validate_vni_ranges($vni_ranges)
neutron_plugin_ml2 {
'ml2_type_geneve/max_header_size': value => $max_header_size;
'ml2_type_geneve/vni_ranges': value => join(any2array($vni_ranges),',');
}
}
else {
# detect an invalid type_drivers value
warning('type_driver unknown.')
}
}
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