Merge "Add TripleO Heat Template Parameters for Neutron Tenant MTU"

1 files changed, 12 insertions, 0 deletions

diff --git a/puppet/controller.yaml b/puppet/controller.yaml
index c664cac3..36003104 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:
@@ -1391,6 +1401,7 @@ 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}
@@ -1475,6 +1486,7 @@ 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::api_database_connection: {get_input: nova_api_dsn}
                 nova::glance_api_servers: {get_input: glance_api_servers}