22 lines
866 B
YAML
22 lines
866 B
YAML
---
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features:
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- |
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Added support for forbidden traits to the scheduler. A flavor extra spec
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is extended to support specifying the forbidden traits. The syntax of
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extra spec is ``trait:<trait_name>=forbidden``, for example:
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- trait:HW_CPU_X86_AVX2=forbidden
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- trait:STORAGE_DISK_SSD=forbidden
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The scheduler will pass the forbidden traits to the
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``GET /allocation_candidates`` endpoint in the Placement API to include
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only resource providers that do not include the forbidden traits. Currently
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the only valid values are ``required`` and ``forbidden``. Any other values
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will be considered invalid.
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This requires that the Placement API version 1.22 is available before
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the ``nova-scheduler`` service can use this feature.
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The FilterScheduler is currently the only scheduler driver that supports
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this feature.
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