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* Update os-traits from branch 'master'
  - Add COMPUTE_NODE trait
    
    We have at least one use case [1] for identifying resource providers
    which represent compute nodes. There are a few ways we could do that
    hackishly (e.g. [2], [3]) but the clean way is to have nova-compute mark
    the provider with a trait, since nova-compute knows which one it is
    anyway.
    
    This commit adds a COMPUTE_NODE trait for this purpose.
    
    [1] https://review.opendev.org/#/c/670112/7/nova/cmd/manage.py@2921
    [2] Assume a provider with a certain resource class, like MEMORY_MB, is
    always a compute node. This is not necessarily future-proof (maybe all
    MEMORY_MB will someday reside on NUMA node providers; similar for other
    resource classes) and isn't necessarily true in all cases today anyway
    (ironic nodes don't have MEMORY_MB inventory) and there's also currently
    no easy way to query for that (GET /resource_providers?MEMORY_MB:1 won't
    return "full" providers, and you can't ask for :0).
    [3] Assume a root provider without the MISC_SHARES_VIA_AGGREGATE trait
    is a compute node. This assumes you're only using placement for nova-ish
    things.
    
    Change-Id: I036dd5cab15144447df5346814d5f0e8fd91135d
This commit is contained in:
Eric Fried 2019-10-16 11:15:11 -05:00 committed by Gerrit Code Review
parent 52ba361975
commit 390e3876b1
1 changed files with 1 additions and 1 deletions
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os-traits

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Subproject commit fc685f9e3b3572574d2d80a5efb3f1648ea0b4eb
Subproject commit 308fef970233943703dec13970d6022b71c0c0a0