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| # | ||
| # Copyright (C) 2014 eNovance SAS <[email protected]> | ||
| # | ||
| # Author: Emilien Macchi <[email protected]> | ||
| # | ||
| # 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. | ||
| # | ||
| # == Class: neutron::agents::ml2::ovs | ||
| # | ||
| # Setups OVS neutron agent when using ML2 plugin | ||
| # | ||
| # === Parameters | ||
| # | ||
| # [*package_ensure*] | ||
| # (optional) The state of the package | ||
| # Defaults to 'present' | ||
| # | ||
| # [*enabled*] | ||
| # (required) Whether or not to enable the OVS Agent | ||
| # Defaults to true | ||
| # | ||
| # [*bridge_uplinks*] | ||
| # (optional) List of interfaces to connect to the bridge when doing | ||
| # bridge mapping. | ||
| # Defaults to empty list | ||
| # | ||
| # [*bridge_mapping*] | ||
| # (optional) List of <physical_network>:<bridge> | ||
| # Defaults to empty list | ||
| # | ||
| # [*integration_bridge*] | ||
| # (optional) Integration bridge in OVS | ||
| # Defaults to 'br-int' | ||
| # | ||
| # [*enable_tunneling*] | ||
| # (optional) Enable or not tunneling | ||
| # Defaults to false | ||
| # | ||
| # [*tunnel_types*] | ||
| # (optional) List of types of tunnels to use when utilizing tunnels, | ||
| # either 'gre' or 'vxlan'. | ||
| # Defaults to false | ||
| # | ||
| # [*local_ip*] | ||
| # (optional) Local IP address of GRE tunnel endpoints. | ||
| # Required when enabling tunneling | ||
| # Defaults to false | ||
| # | ||
| # [*tunnel_bridge*] | ||
| # (optional) Bridge used to transport tunnels | ||
| # Defaults to 'br-tun' | ||
| # | ||
| # [*vxlan_udp_port*] | ||
| # (optional) The UDP port to use for VXLAN tunnels. | ||
| # Defaults to '4789' | ||
| # | ||
| # [*polling_interval*] | ||
| # (optional) The number of seconds the agent will wait between | ||
| # polling for local device changes. | ||
| # Defaults to '2" | ||
| # | ||
| # [*l2_population*] | ||
| # (optional) Extension to use alongside ml2 plugin's l2population | ||
| # mechanism driver. | ||
| # Defaults to false | ||
| # | ||
| # [*arp_responder*] | ||
| # (optional) Enable or not the ARP responder. | ||
| # Recommanded when using l2 population mechanism driver. | ||
| # Defaults to false | ||
| # | ||
| # [*firewall_driver*] | ||
| # (optional) Firewall driver for realizing neutron security group function. | ||
| # Defaults to 'neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver'. | ||
| # | ||
| class neutron::agents::ml2::ovs ( | ||
| $package_ensure = 'present', | ||
| $enabled = true, | ||
| $bridge_uplinks = [], | ||
| $bridge_mappings = [], | ||
| $integration_bridge = 'br-int', | ||
| $enable_tunneling = false, | ||
| $tunnel_types = [], | ||
| $local_ip = false, | ||
| $tunnel_bridge = 'br-tun', | ||
| $vxlan_udp_port = 4789, | ||
| $polling_interval = 2, | ||
| $l2_population = false, | ||
| $arp_responder = false, | ||
| $firewall_driver = 'neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver' | ||
| ) { | ||
|
|
||
| include neutron::params | ||
| require vswitch::ovs | ||
|
|
||
| if $enable_tunneling and ! $local_ip { | ||
| fail('Local ip for ovs agent must be set when tunneling is enabled') | ||
| } | ||
|
|
||
| Neutron_plugin_ml2<||> ~> Service['neutron-ovs-agent-service'] | ||
|
|
||
| if ($bridge_mappings != []) { | ||
| # bridge_mappings are used to describe external networks that are | ||
| # *directly* attached to this machine. | ||
| # (This has nothing to do with VM-VM comms over neutron virtual networks.) | ||
| # Typically, the network node - running L3 agent - will want one external | ||
| # network (often this is on the control node) and the other nodes (all the | ||
| # compute nodes) will want none at all. The only other reason you will | ||
| # want to add networks here is if you're using provider networks, in which | ||
| # case you will name the network with bridge_mappings and add the server's | ||
| # interfaces that are attached to that network with bridge_uplinks. | ||
| # (The bridge names can be nearly anything, they just have to match between | ||
| # mappings and uplinks; they're what the OVS switches will get named.) | ||
|
|
||
| # Set config for bridges that we're going to create | ||
| # The OVS neutron plugin will talk in terms of the networks in the bridge_mappings | ||
| $br_map_str = join($bridge_mappings, ',') | ||
| neutron_plugin_ml2 { | ||
| 'ovs/bridge_mappings': value => $br_map_str; | ||
| } | ||
| neutron::plugins::ovs::bridge{ $bridge_mappings: | ||
| before => Service['neutron-ovs-agent-service'], | ||
| } | ||
| neutron::plugins::ovs::port{ $bridge_uplinks: | ||
| before => Service['neutron-ovs-agent-service'], | ||
| } | ||
| } | ||
|
|
||
| neutron_plugin_ml2 { | ||
| 'agent/polling_interval': value => $polling_interval; | ||
| 'agent/l2_population': value => $l2_population; | ||
| 'agent/arp_responder': value => $arp_responder; | ||
| 'ovs/integration_bridge': value => $integration_bridge; | ||
| } | ||
|
|
||
| if ($firewall_driver) { | ||
| neutron_plugin_ml2 { 'securitygroup/firewall_driver': | ||
| value => $firewall_driver | ||
| } | ||
| } else { | ||
| neutron_plugin_ml2 { 'securitygroup/firewall_driver': ensure => absent } | ||
| } | ||
|
|
||
| vs_bridge { $integration_bridge: | ||
| ensure => present, | ||
| before => Service['neutron-ovs-agent-service'], | ||
| } | ||
|
|
||
| if $enable_tunneling { | ||
| vs_bridge { $tunnel_bridge: | ||
| ensure => present, | ||
| before => Service['neutron-ovs-agent-service'], | ||
| } | ||
| neutron_plugin_ml2 { | ||
| 'ovs/enable_tunneling': value => true; | ||
| 'ovs/tunnel_bridge': value => $tunnel_bridge; | ||
| 'ovs/local_ip': value => $local_ip; | ||
| } | ||
|
|
||
| if size($tunnel_types) > 0 { | ||
| neutron_plugin_ml2 { | ||
| 'agent/tunnel_types': value => join($tunnel_types, ','); | ||
| } | ||
| } | ||
| if 'vxlan' in $tunnel_types { | ||
| validate_vxlan_udp_port($vxlan_udp_port) | ||
| neutron_plugin_ml2 { | ||
| 'agent/vxlan_udp_port': value => $vxlan_udp_port; | ||
| } | ||
| } | ||
| } else { | ||
| neutron_plugin_ml2 { | ||
| 'ovs/enable_tunneling': value => false; | ||
| 'ovs/tunnel_bridge': ensure => absent; | ||
| 'ovs/local_ip': ensure => absent; | ||
| } | ||
| } | ||
|
|
||
|
|
||
| if $::neutron::params::ovs_agent_package { | ||
| Package['neutron-ovs-agent'] -> Neutron_plugin_ml2<||> | ||
| package { 'neutron-ovs-agent': | ||
| ensure => $package_ensure, | ||
| name => $::neutron::params::ovs_agent_package, | ||
| } | ||
| } else { | ||
| # Some platforms (RedHat) do not provide a separate | ||
| # neutron plugin ovs agent package. The configuration file for | ||
| # the ovs agent is provided by the neutron ovs plugin package. | ||
| Package['neutron-ovs-agent'] -> Neutron_plugin_ml2<||> | ||
| Package['neutron-ovs-agent'] -> Service['ovs-cleanup-service'] | ||
|
|
||
| if ! defined(Package['neutron-ovs-agent']) { | ||
| package { 'neutron-ovs-agent': | ||
| ensure => $package_ensure, | ||
| name => $::neutron::params::ovs_server_package, | ||
| } | ||
| } | ||
| } | ||
|
|
||
| if $enabled { | ||
| $service_ensure = 'running' | ||
| } else { | ||
| $service_ensure = 'stopped' | ||
| } | ||
|
|
||
| service { 'neutron-ovs-agent-service': | ||
| ensure => $service_ensure, | ||
| name => $::neutron::params::ovs_agent_service, | ||
| enable => $enabled, | ||
| require => Class['neutron'], | ||
| } | ||
|
|
||
| if $::neutron::params::ovs_cleanup_service { | ||
| service {'ovs-cleanup-service': | ||
| ensure => $service_ensure, | ||
| name => $::neutron::params::ovs_cleanup_service, | ||
| enable => $enabled, | ||
| } | ||
| } | ||
| } |
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