diff options
| -rw-r--r-- | overcloud.yaml | 24 | ||||
| -rw-r--r-- | puppet/compute.yaml | 12 | ||||
| -rw-r--r-- | puppet/controller.yaml | 12 |
3 files changed, 45 insertions, 3 deletions
diff --git a/overcloud.yaml b/overcloud.yaml index 673bf506..a71fb2fe 100644 --- a/overcloud.yaml +++ b/overcloud.yaml @@ -168,6 +168,15 @@ parameters: description: Shared secret to prevent spoofing type: string hidden: true + NeutronTenantMtu: + description: > + The default MTU for tenant networks. For VXLAN/GRE tunneling, this should + be at least 50 bytes smaller than the MTU on the physical network. This + value will be used to set the MTU on the virtual Ethernet device. + This value will be used to construct the NeutronDnsmasqOptions, since that + will determine the MTU that is assigned to the VM host through DHCP. + default: "1400" + type: string NeutronTunnelTypes: default: 'vxlan' description: | @@ -498,8 +507,11 @@ parameters: type: number default: 4096 NeutronDnsmasqOptions: - default: 'dhcp-option-force=26,1400' - description: Dnsmasq options for neutron-dhcp-agent. The default value here forces MTU to be set to 1400 to account for the tunnel overhead. + default: 'dhcp-option-force=26,%MTU%' + description: > + Dnsmasq options for neutron-dhcp-agent. The default value here forces MTU + to be set to the value of NeutronTenantMtu, which should be set to account + for tunnel overhead. type: string NeutronPublicInterfaceDefaultRoute: default: '' @@ -898,6 +910,7 @@ resources: NeutronPublicInterfaceIP: {get_param: NeutronPublicInterfaceIP} NeutronFlatNetworks: {get_param: NeutronFlatNetworks} NeutronBridgeMappings: {get_param: NeutronBridgeMappings} + NeutronTenantMtu: {get_param: NeutronTenantMtu} NeutronExternalNetworkBridge: {get_param: NeutronExternalNetworkBridge} NeutronEnableIsolatedMetadata: {get_param: NeutronEnableIsolatedMetadata} NeutronEnableTunnelling: {get_param: NeutronEnableTunnelling} @@ -907,7 +920,11 @@ resources: NeutronPublicInterfaceDefaultRoute: {get_param: NeutronPublicInterfaceDefaultRoute} NeutronPublicInterfaceRawDevice: {get_param: NeutronPublicInterfaceRawDevice} NeutronPassword: {get_param: NeutronPassword} - NeutronDnsmasqOptions: {get_param: NeutronDnsmasqOptions} + NeutronDnsmasqOptions: + str_replace: + template: {get_param: NeutronDnsmasqOptions} + params: + '%MTU%': {get_param: NeutronTenantMtu} NeutronDVR: {get_param: NeutronDVR} NeutronMetadataProxySharedSecret: {get_param: NeutronMetadataProxySharedSecret} NeutronAgentMode: {get_param: NeutronAgentMode} @@ -996,6 +1013,7 @@ resources: KeystoneAdminApiVirtualIP: {get_attr: [VipMap, net_ip_map, {get_param: [ServiceNetMap, KeystoneAdminApiNetwork]}]} KeystonePublicApiVirtualIP: {get_attr: [VipMap, net_ip_map, {get_param: [ServiceNetMap, KeystonePublicApiNetwork]}]} NeutronBridgeMappings: {get_param: NeutronBridgeMappings} + NeutronTenantMtu: {get_param: NeutronTenantMtu} NeutronEnableTunnelling: {get_param: NeutronEnableTunnelling} NeutronEnableL2Pop : {get_param: NeutronEnableL2Pop} NeutronFlatNetworks: {get_param: NeutronFlatNetworks} diff --git a/puppet/compute.yaml b/puppet/compute.yaml index 8b2bcd33..e56c3766 100644 --- a/puppet/compute.yaml +++ b/puppet/compute.yaml @@ -118,6 +118,15 @@ parameters: default: nic1 description: A port to add to the NeutronPhysicalBridge. type: string + NeutronTenantMtu: + description: > + The default MTU for tenant networks. For VXLAN/GRE tunneling, this should + be at least 50 bytes smaller than the MTU on the physical network. This + value will be used to set the MTU on the virtual Ethernet device. + This number is related to the value of NeutronDnsmasqOptions, since that + will determine the MTU that is assigned to the VM host through DHCP. + default: 1400 + type: number NeutronTunnelTypes: type: comma_delimited_list description: | @@ -463,6 +472,7 @@ resources: nova::compute::rbd::ephemeral_storage: {get_input: nova_enable_rbd_backend} rbd_persistent_storage: {get_input: cinder_enable_rbd_backend} nova_password: {get_input: nova_password} + nova::compute::network_device_mtu: {get_input: neutron_tenant_mtu} nova::compute::vncserver_proxyclient_address: {get_input: nova_vnc_proxyclient_address} nova::network::neutron::neutron_ovs_bridge: {get_input: nova_ovs_bridge} nova::network::neutron::security_group_api: {get_input: nova_security_group_api} @@ -487,6 +497,7 @@ resources: neutron_host: {get_input: neutron_host} neutron::agents::ml2::ovs::local_ip: {get_input: neutron_local_ip} + neutron::network_device_mtu: {get_input: neutron_tenant_mtu} neutron::plugins::ml2::tenant_network_types: {get_input: neutron_tenant_network_types} neutron::agents::ml2::ovs::tunnel_types: {get_input: neutron_tunnel_types} neutron::agents::ml2::ovs::extensions: {get_input: neutron_agent_extensions} @@ -581,6 +592,7 @@ resources: template: MAPPINGS params: MAPPINGS: {get_param: NeutronBridgeMappings} + neutron_tenant_mtu: {get_param: NeutronTenantMtu} neutron_enable_tunneling: {get_param: NeutronEnableTunnelling} neutron_enable_l2pop: {get_param: NeutronEnableL2Pop} neutron_physical_bridge: {get_param: NeutronPhysicalBridge} diff --git a/puppet/controller.yaml b/puppet/controller.yaml index ea19c711..15dbf598 100644 --- a/puppet/controller.yaml +++ b/puppet/controller.yaml @@ -492,6 +492,15 @@ parameters: default: '' description: If set, the public interface is a vlan with this device as the raw device. type: string + NeutronTenantMtu: + description: > + The default MTU for tenant networks. For VXLAN/GRE tunneling, this should + be at least 50 bytes smaller than the MTU on the physical network. This + value will be used to set the MTU on the virtual Ethernet device. + This number is related to the value of NeutronDnsmasqOptions, since that + will determine the MTU that is assigned to the VM host through DHCP. + default: 1400 + type: number NeutronTunnelTypes: default: 'vxlan' description: | @@ -1061,6 +1070,7 @@ resources: params: AGENT_EXTENSIONS: {get_param: NeutronAgentExtensions} neutron_password: {get_param: NeutronPassword} + neutron_tenant_mtu: {get_param: NeutronTenantMtu} neutron_dnsmasq_options: {get_param: NeutronDnsmasqOptions} neutron_dsn: list_join: @@ -1381,6 +1391,7 @@ resources: neutron::server::database_connection: {get_input: neutron_dsn} neutron::server::api_workers: {get_input: neutron_workers} neutron::agents::l3::external_network_bridge: {get_input: neutron_external_network_bridge} + neutron::network_device_mtu: {get_input: neutron_tenant_mtu} neutron::agents::ml2::ovs::enable_tunneling: {get_input: neutron_enable_tunneling} neutron::agents::ml2::ovs::l2_population: {get_input: neutron_enable_l2pop} neutron::agents::dhcp::enable_isolated_metadata: {get_input: neutron_enable_isolated_metadata} @@ -1465,6 +1476,7 @@ resources: nova::api::osapi_compute_workers: {get_input: nova_workers} nova::api::ec2_workers: {get_input: nova_workers} nova::api::metadata_workers: {get_input: nova_workers} + nova::compute::network_device_mtu: {get_input: neutron_tenant_mtu} nova::database_connection: {get_input: nova_dsn} nova::glance_api_servers: {get_input: glance_api_servers} nova::api::neutron_metadata_proxy_shared_secret: {get_input: neutron_metadata_proxy_shared_secret} |