heat_template_version: rocky

description: >
  Configure tuned

parameters:
  ServiceData:
    default: {}
    description: Dictionary packing service data
    type: json
  ServiceNetMap:
    default: {}
    description: Mapping of service_name -> network name. Typically set
                 via parameter_defaults in the resource registry.  This
                 mapping overrides those in ServiceNetMapDefaults.
    type: json
  DefaultPasswords:
    default: {}
    type: json
  EndpointMap:
    default: {}
    description: Mapping of service endpoint -> protocol. Typically set
                 via parameter_defaults in the resource registry.
    type: json
  RoleName:
    default: ''
    description: Role name on which the service is applied
    type: string
  RoleParameters:
    default: {}
    description: Parameters specific to the role
    type: json
  EnablePackageInstall:
    default: 'false'
    description: Set to true to enable package installation at deploy time
    type: boolean
  TunedCustomProfile:
    default: ''
    description: The definition of a new tuned profile in INI format which
                 will be named after the TunedProfileName and applied to the
                 host. E.g. if TunedProfileName is 'my_profile', it creates
                 the file '/etc/tuned/my_profile/tuned.conf' on host whose
                 content is the value of TunedCustomProfile, e.g. "[main]\n
                 include=throughput-performance\n[sysctl]\nvm.dirty_ratio=10"
    type: string
    tags:
      - role_specific
  TunedProfileName:
    default: 'throughput-performance'
    description: Tuned Profile to apply to the host
    type: string
    tags:
      - role_specific

outputs:
  role_data:
    description: Role data for tuned
    value:
      service_name: tuned
      host_prep_tasks:
        - name: Install tuned
          package:
            name: tuned
            state: present
          when:
            - EnablePackageInstall | default(false) | bool

        - name: Check for tuned-adm
          command: >-
            which tuned-adm
          environment:
            PATH: "/bin:/usr/bin:/sbin:/usr/sbin"
          changed_when: false
          failed_when: false
          register: tuned_check

        - name: Run tuned setup
          when:
            - tuned_check.rc == 0
          block:
            - name: Ensure profile directory exists
              file:
                path: "/etc/tuned/{{ tuned_profile }}"
                state: directory
              when:
                - (custom_profile is defined) and (custom_profile != '')

            - name: Create custom tuned profile
              copy:
                content: "{{ custom_profile }}"
                dest: "/etc/tuned/{{ tuned_profile }}/tuned.conf"
              when:
                - (custom_profile is defined) and (custom_profile != '')

            - name: Check tuned active profile
              slurp:
                src: "/etc/tuned/active_profile"
              register: tuned_active_profile

            - name: Enable tuned profile
              command: >-
                tuned-adm profile {{ tuned_profile }}
              environment:
                PATH: "/bin:/usr/bin:/sbin:/usr/sbin"
              when:
                - ((tuned_active_profile['content'] | b64decode).strip()) != tuned_profile

      ansible_group_vars:
        tuned_profile: {get_param: TunedProfileName}
        custom_profile: {get_param: TunedCustomProfile}
        EnablePackageInstall: {get_param: EnablePackageInstall}