Puppet Class: neutron::agents::ml2::ovs
- Defined in:
- manifests/agents/ml2/ovs.pp
Overview
Copyright © 2014 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.
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
- manage_service
-
(optional) Whether to start/stop the service Defaults to true
- bridge_uplinks
-
(optional) List of interfaces to connect to the bridge when doing bridge mapping. Defaults to empty list
- bridge_mappings
-
(optional) List of <physical_network>:<bridge> Defaults to empty list
- ovsdb_timeout
-
(Optional) The timeout in seconds for OVSDB commands. Defaults to $::os_service_default
- of_connect_timeout
-
(Optional) Timeout in seconds to wait for the local switch connecting to the controller. Defaults to $::os_service_default
- of_request_timeout
-
(Optional) Timeout in seconds to wait for a single OpenFlow request. Defaults to $::os_service_default
- of_inactivity_probe
-
(Optional) The inactivity_probe interval in second for the local switch connnection to the controller. A value of 0 disables inactivity probes. Defaults to $::os_service_default
- integration_bridge
-
(optional) Integration bridge in OVS Defaults to ‘br-int’
- tunnel_types
-
(optional) List of types of tunnels to use when utilizing tunnels, either ‘gre’ or ‘vxlan’. Defaults to empty list
- local_ip
-
(optional) Local IP address of VXLAN/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 $::os_service_default
- l2_population
-
(optional) Extension to use alongside ml2 plugin’s l2population mechanism driver. Defaults to $::os_service_default
- arp_responder
-
(optional) Enable or not the ARP responder. Recommanded when using l2 population mechanism driver. Defaults to $::os_service_default
- firewall_driver
-
(optional) Firewall driver for realizing neutron security group function. Defaults to ‘iptables_hybrid’.
- enable_distributed_routing
-
(optional) Set to True on L2 agents to enable support for distributed virtual routing. Defaults to $::os_service_default
- drop_flows_on_start
-
(optional) Set to True to drop all flows during agent start for a clean flow tables resetting Defaults to false
- manage_vswitch
-
(optional) This boolean is used to indicate if this class should manage the vswitch software installation and the ovs bridges/ports from the $bridge_mappings parameter. If manage_vswitch is set to true, then we will require the vswitch::ovs and configure the ovs bridges/ports using the mappings provided as part of the $bridge_mappings parameters. Defaults to true
- extensions
-
(optional) Extensions list to use Defaults to $::os_service_default
- int_peer_patch_port
-
(optional) Peer patch port in integration bridge for tunnel bridge Defaults to $::os_service_default
- tun_peer_patch_port
-
(optional) Peer patch port in tunnel bridge for integration bridge Defaults to $::os_service_default
- datapath_type
-
(optional) Datapath type for ovs bridges Defaults to $::os_service_default
- vhostuser_socket_dir
-
(optional) The vhost-user socket directory for OVS Defaults to $::os_service_default
- purge_config
-
(optional) Whether to set only the specified config options in the ovs config. Defaults to false.
- enable_dpdk
-
(optional) Enable or not DPDK with OVS Defaults to false.
- enable_security_group
-
(optional) Controls whether the agent supports security groups or not. Defaults to $::os_service_default
- permitted_ethertypes
-
(optional) List of additional ethernet types to be configured on the firewall. Defaults to $::os_service_default
- minimize_polling
-
(optional) Minimize polling by monitoring ovsdb for interface changes. (boolean value) Defaults to $::os_service_default
- tunnel_csum
-
(optional) Set or un-set the tunnel header checksum on outgoing IP packet carrying GRE/VXLAN tunnel. Defaults to $::os_service_default
- igmp_snooping_enable
-
(Optional) Enable IGMP snooping for integration bridge. If this option is set to True, support for Internet Group Management Protocol (IGMP) is enabled in integration bridge. Setting this option to True will also enable Open vSwitch mcast-snooping-disable-flood-unregistered flag. This option will disable flooding of unregistered multicast packets to all ports. The switch will send unregistered multicast packets only to ports connected to multicast routers. This option is used by the ML2/OVS mechanism driver for Neutron. Defaults to $::os_service_default
- resource_provider_bandwidths
-
(optional) List of <bridge>:<egress_bw>:<ingress_bw> Defaults to empty list
DEPRECATED
- ovsdb_interface
-
(optional) The interface for interacting with the OVSDB Allowed values: vsctl, native Defaults to undef
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# File 'manifests/agents/ml2/ovs.pp', line 194
class neutron::agents::ml2::ovs (
$package_ensure = 'present',
$enabled = true,
$manage_service = true,
$extensions = $::os_service_default,
$bridge_uplinks = [],
$bridge_mappings = [],
$ovsdb_timeout = $::os_service_default,
$of_connect_timeout = $::os_service_default,
$of_request_timeout = $::os_service_default,
$of_inactivity_probe = $::os_service_default,
$integration_bridge = 'br-int',
$tunnel_types = [],
$local_ip = false,
$tunnel_bridge = 'br-tun',
$vxlan_udp_port = 4789,
$polling_interval = $::os_service_default,
$l2_population = $::os_service_default,
$arp_responder = $::os_service_default,
$firewall_driver = 'iptables_hybrid',
$enable_distributed_routing = $::os_service_default,
$drop_flows_on_start = false,
$manage_vswitch = true,
$int_peer_patch_port = $::os_service_default,
$tun_peer_patch_port = $::os_service_default,
$datapath_type = $::os_service_default,
$vhostuser_socket_dir = $::os_service_default,
$purge_config = false,
$enable_dpdk = false,
$enable_security_group = $::os_service_default,
$permitted_ethertypes = $::os_service_default,
$minimize_polling = $::os_service_default,
$tunnel_csum = $::os_service_default,
$igmp_snooping_enable = $::os_service_default,
$resource_provider_bandwidths = [],
# DEPRECATED
$ovsdb_interface = undef,
) {
include neutron::deps
include neutron::params
if $enable_dpdk and ! $manage_vswitch {
fail('Enabling DPDK without manage vswitch does not have any effect')
}
if $enable_dpdk and is_service_default($datapath_type) {
fail('Datapath type for ovs agent must be set when DPDK is enabled')
}
if $enable_dpdk and is_service_default($vhostuser_socket_dir) {
fail('vhost user socket directory for ovs agent must be set when DPDK is enabled')
}
if ! is_service_default($permitted_ethertypes) {
validate_legacy(Array, 'validate_array', $permitted_ethertypes)
neutron_agent_ovs {
'securitygroup/permitted_ethertypes': value => join($permitted_ethertypes, ',');
}
}
if $manage_vswitch {
if $enable_dpdk {
require vswitch::dpdk
} else {
require vswitch::ovs
}
}
validate_legacy(Array, 'validate_array', $tunnel_types)
if size($tunnel_types) > 0 {
$enable_tunneling = true
} else {
$enable_tunneling = false
}
if $enable_tunneling and ! $local_ip {
fail('Local ip for ovs agent must be set when tunneling is enabled')
}
if ($enable_tunneling) and (!is_service_default($enable_distributed_routing)) and (!is_service_default($l2_population)) {
if $enable_distributed_routing and ! $l2_population {
fail('L2 population must be enabled when DVR and tunneling are enabled')
}
}
resources { 'neutron_agent_ovs':
purge => $purge_config,
}
if ($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
$br_map_str = join(any2array($bridge_mappings), ',')
neutron_agent_ovs {
'ovs/bridge_mappings': value => $br_map_str;
}
if ($manage_vswitch) {
neutron::plugins::ovs::bridge{ $bridge_mappings:
before => Service['neutron-ovs-agent-service'],
}
neutron::plugins::ovs::port{ $bridge_uplinks:
before => Service['neutron-ovs-agent-service'],
}
}
}
if ($resource_provider_bandwidths != []) {
$res_prov_bw_map_str = join(any2array($resource_provider_bandwidths), ',')
neutron_agent_ovs {
'ovs/resource_provider_bandwidths': value => $res_prov_bw_map_str;
}
}
# TODO(tobias.urdin): Remove in V release.
if $ovsdb_interface != undef {
warning('ovsdb_interface is deprecated and has no effect')
}
neutron_agent_ovs {
'ovs/ovsdb_interface': ensure => absent;
'ovs/of_interface': ensure => absent;
}
neutron_agent_ovs {
'agent/polling_interval': value => $polling_interval;
'agent/l2_population': value => $l2_population;
'agent/arp_responder': value => $arp_responder;
'agent/enable_distributed_routing': value => $enable_distributed_routing;
'agent/drop_flows_on_start': value => $drop_flows_on_start;
'agent/extensions': value => join(any2array($extensions), ',');
'agent/minimize_polling': value => $minimize_polling;
'agent/tunnel_csum': value => $tunnel_csum;
'ovs/ovsdb_timeout': value => $ovsdb_timeout;
'ovs/of_connect_timeout': value => $of_connect_timeout;
'ovs/of_request_timeout': value => $of_request_timeout;
'ovs/of_inactivity_probe': value => $of_inactivity_probe;
'ovs/integration_bridge': value => $integration_bridge;
'ovs/datapath_type': value => $datapath_type;
'ovs/vhostuser_socket_dir': value => $vhostuser_socket_dir;
'securitygroup/enable_security_group': value => $enable_security_group;
'ovs/igmp_snooping_enable': value => $igmp_snooping_enable;
}
if $firewall_driver {
neutron_agent_ovs { 'securitygroup/firewall_driver': value => $firewall_driver }
} else {
neutron_agent_ovs { 'securitygroup/firewall_driver': ensure => absent }
}
if $enable_tunneling {
neutron_agent_ovs {
'ovs/tunnel_bridge': value => $tunnel_bridge;
'ovs/local_ip': value => $local_ip;
'ovs/int_peer_patch_port': value => $int_peer_patch_port;
'ovs/tun_peer_patch_port': value => $tun_peer_patch_port;
'agent/tunnel_types': value => join($tunnel_types, ',');
}
if 'vxlan' in $tunnel_types {
validate_vxlan_udp_port($vxlan_udp_port)
neutron_agent_ovs {
'agent/vxlan_udp_port': value => $vxlan_udp_port;
}
}
} else {
neutron_agent_ovs {
'ovs/tunnel_bridge': ensure => absent;
'ovs/local_ip': ensure => absent;
'ovs/int_peer_patch_port': ensure => absent;
'ovs/tun_peer_patch_port': ensure => absent;
'agent/tunnel_types': ensure => absent;
}
}
if $::neutron::params::ovs_agent_package {
package { 'neutron-ovs-agent':
ensure => $package_ensure,
name => $::neutron::params::ovs_agent_package,
tag => ['openstack', 'neutron-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.
if ! defined(Package['neutron-ovs-agent']) {
package { 'neutron-ovs-agent':
ensure => $package_ensure,
name => $::neutron::params::ovs_server_package,
tag => ['openstack', 'neutron-package'],
}
}
}
if $manage_service {
if $enabled {
$service_ensure = 'running'
} else {
$service_ensure = 'stopped'
}
}
service { 'neutron-ovs-agent-service':
ensure => $service_ensure,
name => $::neutron::params::ovs_agent_service,
enable => $enabled,
tag => ['neutron-service', 'neutron-db-sync-service'],
}
if ($::osfamily == 'Redhat') {
service { 'neutron-destroy-patch-ports-service':
ensure => $service_ensure,
name => $::neutron::params::destroy_patch_ports_service,
enable => $enabled,
tag => ['neutron-service'],
}
}
if $::neutron::params::ovs_cleanup_service {
service { 'ovs-cleanup-service':
name => $::neutron::params::ovs_cleanup_service,
enable => $enabled,
# TODO: Remove this require once ovs-cleanup service
# script is packaged in neutron-openvswitch package
require => Anchor['neutron::install::end'],
}
}
}
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