Reviewed: https://review.openstack.org/567150
Committed:
https://git.openstack.org/cgit/openstack/nova/commit/?id=0a6b5676886d2fb07bdf0ae88b22f3cd3f1e2b4d
Submitter: Zuul
Branch: master
commit 0a6b5676886d2fb07bdf0ae88b22f3cd3f1e2b4d
Author: Tetsuro Nakamura <nakamura.tets...@lab.ntt.co.jp>
Date: Thu May 10 06:13:41 2018 +0900
Add traits check in nested provider candidates
This patch adds trait check in the path used in getting allocation
candidates with nested providers creating a trait check helper
function, _check_traits_for_alloc_request().
Change-Id: I728825a03db9f6419c8f4b3fa23aef63ec8baa5e
Blueprint: nested-resource-providers-allocation-candidates
Closes-Bug: #1771707
** Changed in: nova
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1771707
Title:
allocation candidates with nested providers have inappropriate
candidates when traits specified
Status in OpenStack Compute (nova):
Fix Released
Bug description:
* We are setting up two compute nodes with numa node & pf nested providers.
And only one pf from cn1 has HW_NIC_OFFLOAD_GENEVE trait.
compute node (cn1)
[CPU:16, MEMORY_MB:32768]
/+++++++++++++++\
/++++++++++++++++ \
cn1_numa0 ++++++++++++ cn1_numa1
| ++++++++++++++++++ |
| ++++++++++++++++++ |
cn1_numa0_pf0 ++++++++++ cn1_numa1_pf1 (trait=HW_NIC_OFFLOAD_GENEVE)
[SRIOV_NET_VF:8] ++++++++ [SRIOV_NET_VF:8]
compute node (cn2)
[CPU:16, MEMORY_MB:32768]
/++++++++++++++++++\
/+++++++++++++++++++ \
cn2_numa0 ++++++++++++++ cn2_numa1
| ++++++++++++++++++++ |
| ++++++++++++++++++++ |
cn2_numa0_pf0 ++++++++++ cn2_numa1_pf1
[SRIOV_NET_VF:8] ++++++++ [SRIOV_NET_VF:8]
* Next request with
- resources={CPU: 2, MEMORY_MB: 256, SRIOV_NET_VF: 1}
- required_traits=[HW_NIC_OFFLOAD_GENEVE]
* The expected result is to get allocation request with only “cn1_numa1_pf1”,
[('cn1’, fields.ResourceClass.VCPU, 2),
('cn1’, fields.ResourceClass.MEMORY_MB, 256),
('cn1_numa1_pf1’, fields.ResourceClass.SRIOV_NET_VF, 1)],
* But actually we also get allocation request with “cn1_numa1_pf0” from the
same tree with traits.
[('cn1’, fields.ResourceClass.VCPU, 2),
('cn1’, fields.ResourceClass.MEMORY_MB, 256),
('cn1_numa1_pf1’, fields.ResourceClass.SRIOV_NET_VF, 1)],
[('cn1’, fields.ResourceClass.VCPU, 2),
('cn1’, fields.ResourceClass.MEMORY_MB, 256),
('cn1_numa0_pf0', fields.ResourceClass.SRIOV_NET_VF, 1)],
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