tripleo-heat-templates/extraconfig/pre_network/host_config_and_reboot.yaml

heat_template_version: pike

description: >
  All configurations which require reboot should be initiated via PreNetworkConfig. After
  this configuration is completed, the corresponding node will be rebooted.  

parameters:
  server:
    type: string
  RoleParameters:
    type: json
    description: Role Specific parameters
    default: {}
  ServiceNames:
    type: comma_delimited_list
    default: []
  HostCpusList:
    default: "0"
    description: List of cores to be used for host process
    type: string
    constraints:
      - allowed_pattern: "[0-9,-]+"
  NeutronDpdkCoreList:
    default: ""
    description: List of cores to be used for DPDK Poll Mode Driver
    type: string
    constraints:
      - allowed_pattern: "[0-9,-]*"
  NeutronDpdkMemoryChannels:
    default: ""
    description: Number of memory channels to be used for DPDK
    type: string
    constraints:
      - allowed_pattern: "[0-9]*"
  NeutronDpdkSocketMemory:
    default: ""
    description: Memory allocated for each socket
    type: string
  NeutronDpdkDriverType:
    default: "vfio-pci"
    description: DPDK Driver type
    type: string

conditions:
  is_host_config_required: {not: {equals: [{get_param: [RoleParameters, KernelArgs]}, ""]}}
  # YAQL is enabled in conditions with https://review.openstack.org/#/c/467506/
  is_dpdk_config_required:
    yaql:
      expression: $.data.service_names.contains('neutron_ovs_dpdk_agent')
      data:
        service_names: {get_param: ServiceNames}
  is_reboot_config_required:
    or:
      - is_host_config_required
      - is_dpdk_config_required

resources:
  RoleParametersValue:
    type: OS::Heat::Value
    properties:
      type: json
      value:
        map_replace:
          - map_replace:
            - HostCpusList: HostCpusList
              NeutronDpdkCoreList: NeutronDpdkCoreList
              NeutronDpdkMemoryChannels: NeutronDpdkMemoryChannels
              NeutronDpdkSocketMemory: NeutronDpdkSocketMemory
            - values: {get_param: [RoleParameters]}
          - values:
              HostCpusList: {get_param: HostCpusList}
              NeutronDpdkCoreList: {get_param: NeutronDpdkCoreList}
              NeutronDpdkMemoryChannels: {get_param: NeutronDpdkMemoryChannels}
              NeutronDpdkSocketMemory: {get_param: NeutronDpdkSocketMemory}

  HostParametersConfig:
    type: OS::Heat::SoftwareConfig
    condition: is_host_config_required
    properties:
      group: ansible
      inputs:
        - name: _KERNEL_ARGS_
        - name: _TUNED_PROFILE_NAME_
        - name: _TUNED_CORES_
      outputs:
        - name: result
      config:
        get_file: ansible_host_config.yaml

  HostParametersDeployment:
    type: OS::Heat::SoftwareDeployment
    condition: is_host_config_required
    properties:
      name: HostParametersDeployment
      server:  {get_param: server}
      config: {get_resource: HostParametersConfig}
      actions: ['CREATE'] # Only do this on CREATE
      input_values:
        _KERNEL_ARGS_: {get_param: [RoleParameters, KernelArgs]}
        _TUNED_PROFILE_NAME_: {get_param: [RoleParameters, TunedProfileName]}
        _TUNED_CORES_: {get_param: [RoleParameters, HostIsolatedCoreList]}

  EnableDpdkConfig:
    type: OS::Heat::SoftwareConfig
    condition: is_dpdk_config_required
    properties:
      group: script
      config:
        str_replace:
          template: |
            #!/bin/bash
            set -x
            # DO NOT use --detailed-exitcodes
            puppet apply --logdest console \
              --modulepath /etc/puppet/modules:/opt/stack/puppet-modules:/usr/share/openstack-puppet/modules \
              -e '
                class {"vswitch::dpdk":
                  host_core_list  => "$HOST_CORES",
                  pmd_core_list   => "$PMD_CORES",
                  memory_channels => "$MEMORY_CHANNELS",
                  socket_mem      => "$SOCKET_MEMORY",
                }
              '            
          params:
            $HOST_CORES: {get_attr: [RoleParametersValue, value, HostCpusList]}
            $PMD_CORES: {get_attr: [RoleParametersValue, value, NeutronDpdkCoreList]}
            $MEMORY_CHANNELS: {get_attr: [RoleParametersValue, value, NeutronDpdkMemoryChannels]}
            $SOCKET_MEMORY: {get_attr: [RoleParametersValue, value, NeutronDpdkSocketMemory]}

  EnableDpdkDeployment:
    type: OS::Heat::SoftwareDeployment
    condition: is_dpdk_config_required
    properties:
      name: EnableDpdkDeployment
      server:  {get_param: server}
      config: {get_resource: EnableDpdkConfig}
      actions: ['CREATE'] # Only do this on CREATE

  RebootConfig:
    type: OS::Heat::SoftwareConfig
    condition: is_reboot_config_required
    properties:
      group: script
      config: |
        #!/bin/bash
        # Stop os-collect-config to avoid any race collecting another
        # deployment before reboot happens
        systemctl stop os-collect-config.service
        /sbin/reboot        

  RebootDeployment:
    type: OS::Heat::SoftwareDeployment
    depends_on: HostParametersDeployment
    condition: is_reboot_config_required
    properties:
      name: RebootDeployment
      server:  {get_param: server}
      config: {get_resource: RebootConfig}
      actions: ['CREATE'] # Only do this on CREATE
      signal_transport: NO_SIGNAL

outputs:
  result:
    condition: is_host_config_required
    value:
      get_attr: [HostParametersDeployment, result]
  stdout:
    condition: is_host_config_required
    value:
      get_attr: [HostParametersDeployment, deploy_stdout]
  stderr:
    condition: is_host_config_required
    value:
      get_attr: [HostParametersDeployment, deploy_stderr]
  status_code:
    condition: is_host_config_required
    value:
      get_attr: [HostParametersDeployment, deploy_status_code]