---
upgrade:
  - |
    All general scheduler configuration options have been added to the
    ``scheduler`` group.

    - ``scheduler_driver`` (now ``driver``)
    - ``scheduler_host_manager`` (now ``host_manager``)
    - ``scheduler_driver_task_period`` (now ``periodic_task_interval``)
    - ``scheduler_max_attempts`` (now ``max_attempts``)

    In addition, all filter scheduler configuration options have been added to
    the ``filter_scheduler`` group.

    - ``scheduler_host_subset_size`` (now ``host_subset_size``)
    - ``scheduler_max_instances_per_host`` (now ``max_instances_per_host``)
    - ``scheduler_tracks_instance_changes`` (now ``track_instance_changes``)
    - ``scheduler_available_filters`` (now ``available_filters``)
    - ``scheduler_default_filters`` (now ``enabled_filters``)
    - ``baremetal_scheduler_default_filters`` (now
      ``baremetal_enabled_filters``)
    - ``scheduler_use_baremetal_filters`` (now ``use_baremetal_filters``)
    - ``scheduler_weight_classes`` (now ``weight_classes``)
    - ``ram_weight_multiplier``
    - ``disk_weight_multipler``
    - ``io_ops_weight_multipler``
    - ``soft_affinity_weight_multiplier``
    - ``soft_anti_affinity_weight_multiplier``
    - ``isolated_images``
    - ``isolated_hosts``
    - ``restrict_isolated_hosts_to_isolated_images``
    - ``aggregate_image_properties_isolation_namespace``
    - ``aggregate_image_properties_isolation_separator``

    These options should no longer be included in the ``DEFAULT`` group.