Add new role parameters for cpu/ram/disk allocation ratio
This change adds three new role parameters `NovaCPUAllocationRatio`,
`NovaRAMAllocationRatio` and `NovaDiskAllocationRatio` for
configuring cpu_allocation_ratio, ram_allocation_ratio and
disk_allocation_ratio.
The default values for CPU and Disk allocation ratio are taken
as 0.0 as it will be updated by update_available_resource method
as mentioned in [1].
[1]
https://specs.openstack.org/openstack/nova-specs/specs/stein/implemented/initial-allocation-ratios.html
Change-Id: Ia3c62668b0c1469e31aa8cd2c984b460eb06d970
(cherry picked from commit 5066737451
)
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parent
61cfe25dc2
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a881043b22
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@ -360,7 +360,6 @@ outputs:
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nova::cron::purge_shadow_tables::verbose: {get_param: NovaCronPurgeShadowTablesVerbose}
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nova::cron::purge_shadow_tables::all_cells: {get_param: NovaCronPurgeShadowTablesAllCells}
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nova::compute::sync_power_state_interval: {get_param: NovaSyncPowerStateInterval}
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nova::ram_allocation_ratio: '1.0'
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nova_is_additional_cell: {get_param: NovaAdditionalCell}
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- get_attr: [RoleParametersValue, value]
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-
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@ -334,6 +334,24 @@ parameters:
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description: Whether to wait for `network-vif-plugged` events before starting guest transfer.
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default: true
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type: boolean
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NovaCPUAllocationRatio:
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type: number
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description: Virtual CPU to physical CPU allocation ratio.
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default: 0.0
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tags:
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- role_specific
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NovaRAMAllocationRatio:
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type: number
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description: Virtual RAM to physical RAM allocation ratio.
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default: 1.0
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tags:
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- role_specific
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NovaDiskAllocationRatio:
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type: number
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description: Virtual disk to physical disk allocation ratio.
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default: 0.0
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tags:
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- role_specific
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resources:
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@ -401,6 +419,9 @@ resources:
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nova::compute::libvirt::mem_stats_period_seconds: NovaLibvirtMemStatsPeriodSeconds
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resume_guests_state_on_host_boot: NovaResumeGuestsStateOnHostBoot
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nova::compute::rbd::ephemeral_storage: NovaEnableRbdBackend
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nova::cpu_allocation_ratio: NovaCPUAllocationRatio
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nova::ram_allocation_ratio: NovaRAMAllocationRatio
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nova::disk_allocation_ratio: NovaDiskAllocationRatio
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- values: {get_param: [RoleParameters]}
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- values:
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NovaVcpuPinSet: {get_param: NovaVcpuPinSet}
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@ -468,6 +489,9 @@ resources:
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NovaLibvirtNumPciePorts: {get_param: NovaLibvirtNumPciePorts}
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NovaLibvirtMemStatsPeriodSeconds: {get_param: NovaLibvirtMemStatsPeriodSeconds}
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NovaEnableRbdBackend: {get_param: NovaEnableRbdBackend}
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NovaCPUAllocationRatio: {get_param: NovaCPUAllocationRatio}
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NovaRAMAllocationRatio: {get_param: NovaRAMAllocationRatio}
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NovaDiskAllocationRatio: {get_param: NovaDiskAllocationRatio}
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conditions:
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enable_instance_ha: {equals: [{get_param: EnableInstanceHA}, true]}
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@ -599,7 +623,7 @@ outputs:
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if:
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- libvirt_file_backed_memory_enabled
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- '1.0'
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- null
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- {get_attr: [RoleParametersValue, value, 'nova::ram_allocation_ratio']}
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service_config_settings:
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fluentd:
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tripleo_fluentd_groups_nova_compute:
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@ -0,0 +1,13 @@
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---
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features:
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- |
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Add new role parameters `NovaCPUAllocationRatio`, `NovaRAMAllocationRatio`
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and `NovaDiskAllocationRatio` which allows to configure `cpu_allocation_ratio`,
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`ram_allocation_ratio` and `disk_allocation_ratio`.
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Default value for NovaCPUAllocationRatio is 0.0
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Default value for NovaRAMAllocationRatio is 1.0
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Default value for NovaDiskAllocationRatio is 0.0
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The default values for CPU and Disk allocation ratio
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are taken 0.0 as mentioned in [1].
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[1] https://specs.openstack.org/openstack/nova-specs/specs/stein/implemented/initial-allocation-ratios.html
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