Appendix A. Sample SR-IOV YAML Files

This section provides sample SR-IOV YAML files as a reference.

A.1. Sample VLAN SR-IOV YAML Files

A.1.1. network.environment.yaml

resource_registry:
  # Specify the relative/absolute path to the config files you want to use for override the default.
  OS::TripleO::Compute::Net::SoftwareConfig: nic-configs/compute.yaml
  OS::TripleO::Controller::Net::SoftwareConfig: nic-configs/controller.yaml
  # First boot and Kernel Args
  OS::TripleO::NodeUserData: first-boot.yaml

parameter_defaults:
  # Customize all these values to match the local environment
  InternalApiNetCidr: 10.10.112.0/24
  TenantNetCidr: 10.10.113.0/24
  StorageNetCidr: 10.10.114.0/24
  StorageMgmtNetCidr: 10.10.115.0/24
  ExternalNetCidr: 10.35.141.64/28
  # CIDR subnet mask length for provisioning network
  ControlPlaneSubnetCidr: '24'
  InternalApiAllocationPools: [{'start': '10.10.112.100', 'end': '10.10.112.200'}]
  TenantAllocationPools: [{'start': '10.10.113.100', 'end': '10.10.113.200'}]
  StorageAllocationPools: [{'start': '10.10.114.100', 'end': '10.10.114.200'}]
  StorageMgmtAllocationPools: [{'start': '10.10.115.100', 'end': '10.10.115.200'}]
  # Use an External allocation pool which will leave room for floating IPs
  ExternalAllocationPools: [{'start': '10.35.141.67', 'end': '10.35.141.70'}]
  # Set to the router gateway on the external network
  ExternalInterfaceDefaultRoute: 10.35.141.78
  # Gateway router for the provisioning network (or Undercloud IP)
  ControlPlaneDefaultRoute: 192.0.90.1
  # Generally the IP of the Undercloud
  EC2MetadataIp: 192.0.90.1
  InternalApiNetworkVlanID: 512
  TenantNetworkVlanID: 513
  StorageNetworkVlanID: 514
  StorageMgmtNetworkVlanID: 515
  ExternalNetworkVlanID: 400
  # Define the DNS servers (maximum 2) for the overcloud nodes
  DnsServers: ["10.35.28.1","10.35.28.28"]
  # May set to br-ex if using floating IPs only on native VLAN on bridge br-ex
  NeutronExternalNetworkBridge: "''"
  # The tunnel type for the tenant network (vxlan or gre). Set to '' to disable tunneling.
  NeutronTunnelTypes: ''
  # The tenant network type for Neutron (vlan or vxlan).
  NeutronNetworkType: 'vlan'
  # The OVS logical->physical bridge mappings to use.
  NeutronBridgeMappings: 'tenant:br-link0'
  # The Neutron ML2 and OpenVSwitch vlan mapping range to support.
  NeutronNetworkVLANRanges: 'tenant:400:400,tenant:422:422,tenant:424:424'
  # Nova flavor to use.
  OvercloudControlFlavor: controller
  OvercloudComputeFlavor: compute
  #Number of nodes to deploy.
  ControllerCount: 1
  ComputeCount: 1

  # Sets overcloud nodes custom names
  # http://docs.openstack.org/developer/tripleo-docs/advanced_deployment/node_placement.html#custom-hostnames
  ControllerHostnameFormat: 'controller-%index%'
  ComputeHostnameFormat: 'compute-%index%'
  CephStorageHostnameFormat: 'ceph-%index%'
  ObjectStorageHostnameFormat: 'swift-%index%'

  #######################
  # SRIOV configuration #
  #######################
  # The mechanism drivers for the Neutron tenant network.
  NeutronMechanismDrivers: "openvswitch,sriovnicswitch"
  # List of PCI Passthrough whitelist parameters.
  # Use ONE of the following examples.
  # Example 1:
  # NovaPCIPassthrough:
  #   - vendor_id: "8086"
  #     product_id: "154c"
  #     address: "0000:05:00.0" - (optional)
  #     physical_network: "datacentre"
  #
  # Example 2:
  # NovaPCIPassthrough:
  #   - devname: "p6p1"
  #     physical_network: "tenant"
  NovaPCIPassthrough:
    - devname: "ens1f0"
      physical_network: "tenant"
    - devname: "ens1f1"
      physical_network: "tenant"
  # List of supported pci vendor devices in the format VendorID:ProductID.
  NeutronSupportedPCIVendorDevs: ['8086:154d', '8086:10ed']
  # List of <physical_network>:<physical device>
  # All physical networks listed in network_vlan_ranges on the server
  # should have mappings to appropriate interfaces on each agent.
  NeutronPhysicalDevMappings: "tenant:ens1f0,tenant:ens1f1"
  # Provide the list of VFs to be reserved for each SR-IOV interface.
  # Format "<interface_name1>:<numvfs1>","<interface_name2>:<numvfs2>"
  # Example "eth1:4096","eth2:128"
  NeutronSriovNumVFs: "ens1f0:5,ens1f1:5"

  ########################
  # Additional settings
  ########################
  # Reserved RAM for host processes
  NovaReservedHostMemory: 2048
  # A list or range of physical CPU cores to reserve for virtual machine processes.
  # Example: NovaVcpuPinSet: ['4-12','^8'] will reserve cores from 4-12 excluding 8
  NovaVcpuPinSet: "1,2,3,4,5,6,7,9,10,17,18,19,20,21,22,23,11,12,13,14,15,25,26,27,28,29,30,31"
    # List of scheduler available filters
  NovaSchedulerAvailableFilters: ["nova.scheduler.filters.all_filters","nova.scheduler.filters.pci_passthrough_filter.PciPassthroughFilter"]
  # An array of filters used by Nova to filter a node.These filters will be applied in the order they are listed,
  # so place your most restrictive filters first to make the filtering process more efficient.
  NovaSchedulerDefaultFilters: ['AvailabilityZoneFilter','RamFilter','ComputeFilter','ComputeCapabilitiesFilter','ImagePropertiesFilter','ServerGroupAntiAffinityFilter','ServerGroupAffinityFilter','PciPassthroughFilter']
  # Kernel arguments for Compute node
  ComputeKernelArgs: "default_hugepagesz=1GB hugepagesz=1G hugepages=12 intel_iommu=on iommu=pt"
  # A list or range of physical CPU cores to be tuned.
  # The given args will be appended to the tuned cpu-partitioning profile.
  HostIsolatedCoreList: "1,2,3,4,5,6,7,9,10,17,18,19,20,21,22,23,11,12,13,14,15,25,26,27,28,29,30,31"

  # DHCP provide metadata route to VM.
  NeutronEnableIsolatedMetadata: true
  # DHCP always provides metadata route to VM.
  NeutronEnableForceMetadata: true
  # Set backend for overcloud
  GlanceBackend: 'file'
  # Global MTU
  NeutronGlobalPhysnetMtu: 9000

  SshServerOptions:
    UseDns: 'no'

A.1.2. first-boot.yaml

heat_template_version: 2014-10-16

description: >
  This is an example showing how you can do firstboot configuration
  of the nodes via cloud-init.  To enable this, replace the default
  mapping of OS::TripleO::NodeUserData in ../overcloud_resource_registry*

parameters:
  ComputeKernelArgs:
    description: >
      Space seprated list of Kernel args to be update to grub.
      The given args will be appended to existing args of GRUB_CMDLINE_LINUX in file /etc/default/grub
      Example: "intel_iommu=on default_hugepagesz=1GB hugepagesz=1G hugepages=1"
    type: string
    default: ""
  ComputeHostnameFormat:
    type: string
    default: ""
  HostIsolatedCoreList:
    description: >
      A list or range of physical CPU cores to be tuned as isolated_cores.
      The given args will be appended to the tuned cpu-partitioning profile.
      Ex. HostIsolatedCoreList: '4-12' will tune cores from 4-12
    type: string
    default: ""

resources:
  userdata:
    type: OS::Heat::MultipartMime
    properties:
      parts:
      - config: {get_resource: install_tuned}
      - config: {get_resource: compute_kernel_args}

  install_tuned:
    type: OS::Heat::SoftwareConfig
    properties:
      config:
        str_replace:
          template: |
            #!/bin/bash
            FORMAT=$COMPUTE_HOSTNAME_FORMAT
            if [[ -z $FORMAT ]] ; then
              FORMAT="compute" ;
            else
              # Assumption: only %index% and %stackname% are the variables in Host name format
              FORMAT=$(echo $FORMAT | sed  's/\%index\%//g' | sed 's/\%stackname\%//g') ;
            fi
            if [[ $(hostname) == *$FORMAT* ]] ; then
              # Install the tuned package
              yum install -y tuned-profiles-cpu-partitioning

              tuned_conf_path="/etc/tuned/cpu-partitioning-variables.conf"
              if [ -n "$TUNED_CORES" ]; then
                grep -q "^isolated_cores" $tuned_conf_path
                if [ "$?" -eq 0 ]; then
                  sed -i 's/^isolated_cores=.*/isolated_cores=$TUNED_CORES/' $tuned_conf_path
                else
                  echo "isolated_cores=$TUNED_CORES" >> $tuned_conf_path
                fi
                tuned-adm profile cpu-partitioning
              fi
            fi
          params:
            $COMPUTE_HOSTNAME_FORMAT: {get_param: ComputeHostnameFormat}
            $TUNED_CORES: {get_param: HostIsolatedCoreList}

  # Verify the logs on /var/log/cloud-init.log on the overcloud node
  compute_kernel_args:
    type: OS::Heat::SoftwareConfig
    properties:
      config:
        str_replace:
          template: |
            #!/bin/bash
            set -x
            FORMAT=$COMPUTE_HOSTNAME_FORMAT
            if [[ -z $FORMAT ]] ; then
              FORMAT="compute" ;
            else
              # Assumption: only %index% and %stackname% are the variables in Host name format
              FORMAT=$(echo $FORMAT | sed  's/\%index\%//g' | sed 's/\%stackname\%//g') ;
            fi
            if [[ $(hostname) == *$FORMAT* ]] ; then
              sed 's/^\(GRUB_CMDLINE_LINUX=".*\)"/\1 $KERNEL_ARGS"/g' -i /etc/default/grub ;
              grub2-mkconfig -o /etc/grub2.cfg

              sleep 5
              reboot
            fi
          params:
            $KERNEL_ARGS: {get_param: ComputeKernelArgs}
            $COMPUTE_HOSTNAME_FORMAT: {get_param: ComputeHostnameFormat}

outputs:
  # This means get_resource from the parent template will get the userdata, see:
  # http://docs.openstack.org/developer/heat/template_guide/composition.html#making-your-template-resource-more-transparent
  # Note this is new-for-kilo, an alternative is returning a value then using
  # get_attr in the parent template instead.
  OS::stack_id:
    value: {get_resource: userdata}

A.1.3. post-install.yaml

heat_template_version: 2014-10-16

description: >
  Example extra config for post-deployment

parameters:
  servers:
    type: json
  ComputeHostnameFormat:
    type: string
    default: ""

resources:
  ExtraDeployments:
    type: OS::Heat::StructuredDeployments
    properties:
      servers:  {get_param: servers}
      config: {get_resource: ExtraConfig}
      # Do this on CREATE/UPDATE (which is actually the default)
      actions: ['CREATE', 'UPDATE']

  ExtraConfig:
    type: OS::Heat::SoftwareConfig
    properties:
      group: script
      config:
        str_replace:
          template: |
            #!/bin/bash

            set -x
            FORMAT=$COMPUTE_HOSTNAME_FORMAT
            if [[ -z $FORMAT ]] ; then
              FORMAT="compute" ;
            else
              # Assumption: only %index% and %stackname% are the variables in Host name format
              FORMAT=$(echo $FORMAT | sed  's/\%index\%//g' | sed 's/\%stackname\%//g') ;
            fi
            if [[ $(hostname) == *$FORMAT* ]] ; then
              reboot
            fi
          params:
            $COMPUTE_HOSTNAME_FORMAT: {get_param: ComputeHostnameFormat}

A.1.4. controller.yaml

heat_template_version: 2015-04-30

description: >
  Software Config to drive os-net-config to configure VLANs for the
  controller role.

parameters:
  ControlPlaneIp:
    default: ''
    description: IP address/subnet on the ctlplane network
    type: string
  ExternalIpSubnet:
    default: ''
    description: IP address/subnet on the external network
    type: string
  InternalApiIpSubnet:
    default: ''
    description: IP address/subnet on the internal API network
    type: string
  StorageIpSubnet:
    default: ''
    description: IP address/subnet on the storage network
    type: string
  StorageMgmtIpSubnet:
    default: ''
    description: IP address/subnet on the storage mgmt network
    type: string
  StorageNetworkVlanID:
    default: 30
    description: Vlan ID for the storage network traffic.
    type: number
  StorageMgmtNetworkVlanID:
    default: 40
    description: Vlan ID for the storage mgmt network traffic.
    type: number
  TenantIpSubnet:
    default: ''
    description: IP address/subnet on the tenant network
    type: string
  ManagementIpSubnet: # Only populated when including environments/network-management.yaml
    default: ''
    description: IP address/subnet on the management network
    type: string
  ExternalNetworkVlanID:
    default: ''
    description: Vlan ID for the external network traffic.
    type: number
  InternalApiNetworkVlanID:
    default: ''
    description: Vlan ID for the internal_api network traffic.
    type: number
  TenantNetworkVlanID:
    default: ''
    description: Vlan ID for the tenant network traffic.
    type: number
  ManagementNetworkVlanID:
    default: 23
    description: Vlan ID for the management network traffic.
    type: number
  ExternalInterfaceDefaultRoute:
    default: ''
    description: default route for the external network
    type: string
  ControlPlaneSubnetCidr: # Override this via parameter_defaults
    default: '24'
    description: The subnet CIDR of the control plane network.
    type: string
  DnsServers: # Override this via parameter_defaults
    default: []
    description: A list of DNS servers (2 max for some implementations) that will be added to resolv.conf.
    type: comma_delimited_list
  EC2MetadataIp: # Override this via parameter_defaults
    description: The IP address of the EC2 metadata server.
    type: string

resources:
  OsNetConfigImpl:
    type: OS::Heat::StructuredConfig
    properties:
      group: os-apply-config
      config:
        os_net_config:
          network_config:
            -
              type: interface
              name: nic1
              use_dhcp: false
              defroute: false
            -
              type: interface
              name: nic2
              addresses:
                -
                  ip_netmask:
                    list_join:
                      - '/'
                      - - {get_param: ControlPlaneIp}
                        - {get_param: ControlPlaneSubnetCidr}
              routes:
                -
                  ip_netmask: 169.254.169.254/32
                  next_hop: {get_param: EC2MetadataIp}
            -
              type: linux_bond
              name: bond_api
              bonding_options: "mode=active-backup"
              use_dhcp: false
              dns_servers: {get_param: DnsServers}
              members:
                -
                  type: interface
                  name: nic7
                  primary: true
                -
                  type: interface
                  name: nic8
            -
              type: vlan
              vlan_id: {get_param: InternalApiNetworkVlanID}
              device: bond_api
              addresses:
                -
                  ip_netmask: {get_param: InternalApiIpSubnet}
            -
              type: vlan
              vlan_id: {get_param: TenantNetworkVlanID}
              device: bond_api
              addresses:
                -
                  ip_netmask: {get_param: TenantIpSubnet}
            -
              type: vlan
              vlan_id: {get_param: StorageNetworkVlanID}
              device: bond_api
              addresses:
                -
                  ip_netmask: {get_param: StorageIpSubnet}
            -
              type: vlan
              vlan_id: {get_param: StorageMgmtNetworkVlanID}
              device: bond_api
              addresses:
                -
                  ip_netmask: {get_param: StorageMgmtIpSubnet}
            -
              type: vlan
              vlan_id: {get_param: ExternalNetworkVlanID}
              device: bond_api
              addresses:
              -
                ip_netmask: {get_param: ExternalIpSubnet}
              routes:
                -
                  default: true
                  next_hop: {get_param: ExternalInterfaceDefaultRoute}
            -
              type: ovs_bridge
              name: br-link0
              use_dhcp: false
              mtu: 9000
              members:
                -
                  type: ovs_bond
                  name: bond0
                  use_dhcp: true
                  members:
                    -
                      type: interface
                      name: nic3
                      mtu: 9000
                    -
                      type: interface
                      name: nic4
                      mtu: 9000

outputs:
  OS::stack_id:
    description: The OsNetConfigImpl resource.
    value: {get_resource: OsNetConfigImpl}

A.1.5. compute.yaml

heat_template_version: 2015-04-30

description: >
  Software Config to drive os-net-config to configure VLANs for the
  compute role.

parameters:
  ControlPlaneIp:
    default: ''
    description: IP address/subnet on the ctlplane network
    type: string
  ExternalIpSubnet:
    default: ''
    description: IP address/subnet on the external network
    type: string
  InternalApiIpSubnet:
    default: ''
    description: IP address/subnet on the internal API network
    type: string
  TenantIpSubnet:
    default: ''
    description: IP address/subnet on the tenant network
    type: string
  ManagementIpSubnet: # Only populated when including environments/network-management.yaml
    default: ''
    description: IP address/subnet on the management network
    type: string
  InternalApiNetworkVlanID:
    default: ''
    description: Vlan ID for the internal_api network traffic.
    type: number
  StorageNetworkVlanID:
    default: 30
    description: Vlan ID for the storage network traffic.
    type: number
  StorageMgmtNetworkVlanID:
    default: 40
    description: Vlan ID for the storage mgmt network traffic.
    type: number
  TenantNetworkVlanID:
    default: ''
    description: Vlan ID for the tenant network traffic.
    type: number
  ManagementNetworkVlanID:
    default: 23
    description: Vlan ID for the management network traffic.
    type: number
  StorageIpSubnet:
    default: ''
    description: IP address/subnet on the storage network
    type: string
  StorageNetworkVlanID:
    default: 30
    description: Vlan ID for the storage network traffic.
    type: number
  StorageMgmtIpSubnet:
    default: ''
    description: IP address/subnet on the storage mgmt network
    type: string
  ControlPlaneSubnetCidr: # Override this via parameter_defaults
    default: '24'
    description: The subnet CIDR of the control plane network.
    type: string
  ControlPlaneDefaultRoute: # Override this via parameter_defaults
    description: The default route of the control plane network.
    type: string
  DnsServers: # Override this via parameter_defaults
    default: []
    description: A list of DNS servers (2 max for some implementations) that will be added to resolv.conf.
    type: comma_delimited_list
  EC2MetadataIp: # Override this via parameter_defaults
    description: The IP address of the EC2 metadata server.
    type: string
  ExternalInterfaceDefaultRoute:
    default: ''
    description: default route for the externalheat stack-list network
    type: string

resources:
  OsNetConfigImpl:
    type: OS::Heat::StructuredConfig
    properties:
      group: os-apply-config
      config:
        os_net_config:
          network_config:
            -
              type: interface
              name: eno1
              use_dhcp: false
              defroute: false
            -
              type: interface
              name: eno2
              addresses:
               -
                 ip_netmask:
                   list_join:
                     - '/'
                     - - {get_param: ControlPlaneIp}
                       - {get_param: ControlPlaneSubnetCidr}
              routes:
               -
                 ip_netmask: 169.254.169.254/32
                 next_hop: {get_param: EC2MetadataIp}
               -
                 default: true
                 next_hop: {get_param: ControlPlaneDefaultRoute}
            -
              type: linux_bond
              name: bond_api
              bonding_options: "mode=active-backup"
              use_dhcp: false
              dns_servers: {get_param: DnsServers}
              members:
                -
                  type: interface
                  name: ens4f0
                  # force the MAC address of the bridge to this interface
                  primary: true
                -
                  type: interface
                  name: ens4f1
            -
              type: vlan
              vlan_id: {get_param: InternalApiNetworkVlanID}
              device: bond_api
              addresses:
                -
                  ip_netmask: {get_param: InternalApiIpSubnet}
            -
              type: vlan
              vlan_id: {get_param: TenantNetworkVlanID}
              device: bond_api
              addresses:
                -
                  ip_netmask: {get_param: TenantIpSubnet}
            -
              type: vlan
              vlan_id: {get_param: StorageNetworkVlanID}
              device: bond_api
              addresses:
                -
                  ip_netmask: {get_param: StorageIpSubnet}
            -
              type: interface
              name: ens1f0
              mtu: 9000
              use_dhcp: false
              defroute: false
              nm_controlled: true
              hotplug: true

            -
              type: interface
              name: ens1f1
              mtu: 9000
              use_dhcp: false
              defroute: false
              nm_controlled: true
              hotplug: true

outputs:
  OS::stack_id:
    description: The OsNetConfigImpl resource.
    value: {get_resource: OsNetConfigImpl}

A.1.6. overcloud_deploy.sh

#!/bin/bash

openstack overcloud deploy \
--templates \
-e /usr/share/openstack-tripleo-heat-templates/environments/network-isolation.yaml \
-e /usr/share/openstack-tripleo-heat-templates/environments/neutron-sriov.yaml \
-e /home/stack/ospd-10-vlan-sriov-two-ports-ctlplane-bonding/network-environment.yaml \
--log-file overcloud_install.log &> overcloud_install.log