Puppet Class: nova::scheduler::filter

Defined in:
manifests/scheduler/filter.pp

Overview

Class: nova::scheduler::filter

This class is aim to configure nova.scheduler filter

Parameters:

host_subset_size

(optional) defines the subset size that a host is chosen from Defaults to $facts

max_io_ops_per_host

(optional) Ignore hosts that have too many builds/resizes/snaps/migrations Defaults to $facts

max_instances_per_host

(optional) Ignore hosts that have too many instances Defaults to $facts

isolated_images

(optional) An array of images to run on isolated host Defaults to $facts

isolated_hosts

(optional) An array of hosts reserved for specific images Defaults to $facts

available_filters

(optional) An array with filter classes available to the scheduler. Example: [‘first.filter.class’, ‘second.filter.class’] Defaults to [‘nova.scheduler.filters.all_filters’]

enabled_filters

(optional) An array of filters to be used by default Defaults to $facts

weight_classes

(optional) Which weight class names to use for weighing hosts Defaults to ‘nova.scheduler.weights.all_weighers’

track_instance_changes

(optional) Enable querying of individual hosts for instance information. Defaults to $facts

ram_weight_multiplier

(optional) Ram weight multiplier ratio. This option determines how hosts with more or less available RAM are weighed. Defaults to $facts

cpu_weight_multiplier

(optional) CPU weight multiplier ratio. This options determines how hosts with more or less available CPU cores are weighed. Negative numbers mean to stack vs spread. Defaults to $facts

disk_weight_multiplier

(optional) Disk weight multiplier ratio. Multiplier used for weighing free disk space. Negative numbers mean to stack vs spread. Defaults to $facts

io_ops_weight_multiplier

(optional) IO operations weight multiplier ratio. This option determines how hosts with differing workloads are weighed Defaults to $facts

soft_affinity_weight_multiplier

(optional) Multiplier used for weighing hosts for group soft-affinity Defaults to $facts

soft_anti_affinity_weight_multiplier

(optional) Multiplier used for weighing hosts for group soft-anti-affinity Defaults to $facts

build_failure_weight_multiplier

(optional) Multiplier used for weighing hosts that have had recent build failures Defaults to $facts

cross_cell_move_weight_multiplier

(optional) Multiplier used for weighing hosts during a cross-cell move Defaults to $facts

num_instances_weight_multiplier

(optional) Number of instances weight multiplier ratio. Defaults to $facts

hypervisor_version_weight_multiplier

(optional) Hypervisor Version weight multiplier ratio. Defaults to $facts

shuffle_best_same_weighed_hosts

(optional) Enabled spreading the instances between hosts with the same best weight Defaults to $facts

restrict_isolated_hosts_to_isolated_images

(optional) Prevent non-isolated images from being built on isolated hosts. Defaults to $facts

aggregate_image_properties_isolation_namespace

(optional) Image property namespace for use in the host aggregate Defaults to $facts

aggregate_image_properties_isolation_separator

(optional) Separator character(s) for image property namespace and name Defaults to $facts

pci_in_placement

(optional) Enable scheduling and claiming PCI devices in Placement. Defaults to $facts

Parameters:

  • host_subset_size (Any) (defaults to: $facts['os_service_default'])
  • max_io_ops_per_host (Any) (defaults to: $facts['os_service_default'])
  • max_instances_per_host (Any) (defaults to: $facts['os_service_default'])
  • isolated_images (Any) (defaults to: $facts['os_service_default'])
  • isolated_hosts (Any) (defaults to: $facts['os_service_default'])
  • available_filters (Any) (defaults to: $facts['os_service_default'])
  • enabled_filters (Any) (defaults to: $facts['os_service_default'])
  • weight_classes (Any) (defaults to: $facts['os_service_default'])
  • track_instance_changes (Any) (defaults to: $facts['os_service_default'])
  • ram_weight_multiplier (Any) (defaults to: $facts['os_service_default'])
  • cpu_weight_multiplier (Any) (defaults to: $facts['os_service_default'])
  • disk_weight_multiplier (Any) (defaults to: $facts['os_service_default'])
  • io_ops_weight_multiplier (Any) (defaults to: $facts['os_service_default'])
  • soft_affinity_weight_multiplier (Any) (defaults to: $facts['os_service_default'])
  • soft_anti_affinity_weight_multiplier (Any) (defaults to: $facts['os_service_default'])
  • build_failure_weight_multiplier (Any) (defaults to: $facts['os_service_default'])
  • cross_cell_move_weight_multiplier (Any) (defaults to: $facts['os_service_default'])
  • num_instances_weight_multiplier (Any) (defaults to: $facts['os_service_default'])
  • hypervisor_version_weight_multiplier (Any) (defaults to: $facts['os_service_default'])
  • shuffle_best_same_weighed_hosts (Any) (defaults to: $facts['os_service_default'])
  • restrict_isolated_hosts_to_isolated_images (Any) (defaults to: $facts['os_service_default'])
  • aggregate_image_properties_isolation_namespace (Any) (defaults to: $facts['os_service_default'])
  • aggregate_image_properties_isolation_separator (Any) (defaults to: $facts['os_service_default'])
  • pci_in_placement (Any) (defaults to: $facts['os_service_default']) 


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# File 'manifests/scheduler/filter.pp', line 111

class nova::scheduler::filter (
  $host_subset_size                               = $facts['os_service_default'],
  $max_io_ops_per_host                            = $facts['os_service_default'],
  $max_instances_per_host                         = $facts['os_service_default'],
  $isolated_images                                = $facts['os_service_default'],
  $isolated_hosts                                 = $facts['os_service_default'],
  $available_filters                              = $facts['os_service_default'],
  $enabled_filters                                = $facts['os_service_default'],
  $weight_classes                                 = $facts['os_service_default'],
  $track_instance_changes                         = $facts['os_service_default'],
  $ram_weight_multiplier                          = $facts['os_service_default'],
  $cpu_weight_multiplier                          = $facts['os_service_default'],
  $disk_weight_multiplier                         = $facts['os_service_default'],
  $io_ops_weight_multiplier                       = $facts['os_service_default'],
  $soft_affinity_weight_multiplier                = $facts['os_service_default'],
  $soft_anti_affinity_weight_multiplier           = $facts['os_service_default'],
  $build_failure_weight_multiplier                = $facts['os_service_default'],
  $cross_cell_move_weight_multiplier              = $facts['os_service_default'],
  $num_instances_weight_multiplier                = $facts['os_service_default'],
  $hypervisor_version_weight_multiplier           = $facts['os_service_default'],
  $shuffle_best_same_weighed_hosts                = $facts['os_service_default'],
  $restrict_isolated_hosts_to_isolated_images     = $facts['os_service_default'],
  $aggregate_image_properties_isolation_namespace = $facts['os_service_default'],
  $aggregate_image_properties_isolation_separator = $facts['os_service_default'],
  $pci_in_placement                               = $facts['os_service_default'],
) {

  include nova::deps

  if empty($available_filters) {
    warning('available_filters is empty. Nova is deployed without filters')
  }
  if empty($enabled_filters) {
    warning('enabled_filters is empty. Nova is deployed without filters')
  }

  nova_config {
    'filter_scheduler/host_subset_size':
      value => $host_subset_size;
    'filter_scheduler/max_io_ops_per_host':
      value => $max_io_ops_per_host;
    'filter_scheduler/max_instances_per_host':
      value => $max_instances_per_host;
    'filter_scheduler/track_instance_changes':
      value => $track_instance_changes;
    'filter_scheduler/available_filters':
      value => $available_filters;
    'filter_scheduler/weight_classes':
      value => $weight_classes;
    'filter_scheduler/enabled_filters':
      value => join(any2array($enabled_filters), ',');
    'filter_scheduler/isolated_images':
      value => join(any2array($isolated_images), ',');
    'filter_scheduler/isolated_hosts':
      value => join(any2array($isolated_hosts), ',');
    'filter_scheduler/ram_weight_multiplier':
      value => $ram_weight_multiplier;
    'filter_scheduler/cpu_weight_multiplier':
      value => $cpu_weight_multiplier;
    'filter_scheduler/disk_weight_multiplier':
      value => $disk_weight_multiplier;
    'filter_scheduler/io_ops_weight_multiplier':
      value => $io_ops_weight_multiplier;
    'filter_scheduler/soft_affinity_weight_multiplier':
      value => $soft_affinity_weight_multiplier;
    'filter_scheduler/soft_anti_affinity_weight_multiplier':
      value => $soft_anti_affinity_weight_multiplier;
    'filter_scheduler/build_failure_weight_multiplier':
      value => $build_failure_weight_multiplier;
    'filter_scheduler/cross_cell_move_weight_multiplier':
      value => $cross_cell_move_weight_multiplier;
    'filter_scheduler/num_instances_weight_multiplier':
      value => $num_instances_weight_multiplier;
    'filter_scheduler/hypervisor_version_weight_multiplier':
      value => $hypervisor_version_weight_multiplier;
    'filter_scheduler/shuffle_best_same_weighed_hosts':
      value => $shuffle_best_same_weighed_hosts;
    'filter_scheduler/restrict_isolated_hosts_to_isolated_images':
      value => $restrict_isolated_hosts_to_isolated_images;
    'filter_scheduler/aggregate_image_properties_isolation_namespace':
      value => $aggregate_image_properties_isolation_namespace;
    'filter_scheduler/aggregate_image_properties_isolation_separator':
      value => $aggregate_image_properties_isolation_separator;
    'filter_scheduler/pci_in_placement':
      value => $pci_in_placement;
  }

}