Expost cpu_weight_mulitiplier config parameter
Add support for configuring the 'cpu_weight_multiplier' scheduler filter option to provide resource stack/spread policy for CPU. NOTE: The related nova changes are done in change: I90ee8a2081c2a0465441a8d81d161f4887b4e1fb Change-Id: Ife0e92aad7eaf31817e509e9253c52dd2fb1f16b
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@ -56,6 +56,12 @@
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# with more or less available RAM are weighed.
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# Defaults to $::os_service_default
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#
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# [*cpu_weight_multiplier*]
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# (optional) CPU weight multilier ratio. This options determines how hosts
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# with more or less available CPU cores are weighed. Negative numbers mean
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# to stack vs spread.
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# Defaults to $::os_service_default
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#
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# [*disk_weight_multiplier*]
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# (optional) Disk weight multiplier ratio. Multiplier used for weighing free
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# disk space. Negative numbers mean to stack vs spread.
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@ -114,6 +120,7 @@ class nova::scheduler::filter (
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$periodic_task_interval = $::os_service_default,
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$track_instance_changes = $::os_service_default,
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$ram_weight_multiplier = $::os_service_default,
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$cpu_weight_multiplier = $::os_service_default,
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$disk_weight_multiplier = $::os_service_default,
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$io_ops_weight_multiplier = $::os_service_default,
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$soft_affinity_weight_multiplier = $::os_service_default,
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@ -197,6 +204,8 @@ no effect. Baremetal scheduling now uses custom resource classes.')
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value => $isolated_hosts_real;
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'filter_scheduler/ram_weight_multiplier':
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value => $ram_weight_multiplier;
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'filter_scheduler/cpu_weight_multiplier':
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value => $cpu_weight_multiplier;
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'filter_scheduler/disk_weight_multiplier':
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value => $disk_weight_multiplier;
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'filter_scheduler/io_ops_weight_multiplier':
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@ -0,0 +1,6 @@
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---
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features:
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- |
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Add support for configuring ``cpu_weight_multiplier`` config
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option, which can be used to spread or stack workfloads on
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hosts based on their vCPU usage.
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@ -21,6 +21,7 @@ describe 'nova::scheduler::filter' do
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it { is_expected.to contain_nova_config('filter_scheduler/enabled_filters').with_value('<SERVICE DEFAULT>') }
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it { is_expected.to contain_nova_config('filter_scheduler/track_instance_changes').with_value('<SERVICE DEFAULT>') }
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it { is_expected.to contain_nova_config('filter_scheduler/ram_weight_multiplier').with_value('<SERVICE DEFAULT>') }
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it { is_expected.to contain_nova_config('filter_scheduler/cpu_weight_multiplier').with_value('<SERVICE DEFAULT>') }
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it { is_expected.to contain_nova_config('filter_scheduler/disk_weight_multiplier').with_value('<SERVICE DEFAULT>') }
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it { is_expected.to contain_nova_config('filter_scheduler/io_ops_weight_multiplier').with_value('<SERVICE DEFAULT>') }
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it { is_expected.to contain_nova_config('filter_scheduler/soft_affinity_weight_multiplier').with_value('<SERVICE DEFAULT>') }
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