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-rw-r--r--nova/scheduler/filters/numa_topology_filter.py40
1 files changed, 14 insertions, 26 deletions
diff --git a/nova/scheduler/filters/numa_topology_filter.py b/nova/scheduler/filters/numa_topology_filter.py
index 7ec9ca5648..ae50db90e5 100644
--- a/nova/scheduler/filters/numa_topology_filter.py
+++ b/nova/scheduler/filters/numa_topology_filter.py
@@ -20,7 +20,10 @@ from nova.virt import hardware
LOG = logging.getLogger(__name__)
-class NUMATopologyFilter(filters.BaseHostFilter):
+class NUMATopologyFilter(
+ filters.BaseHostFilter,
+ filters.CandidateFilterMixin,
+):
"""Filter on requested NUMA topology."""
# NOTE(sean-k-mooney): In change I0322d872bdff68936033a6f5a54e8296a6fb343
@@ -97,34 +100,19 @@ class NUMATopologyFilter(filters.BaseHostFilter):
if network_metadata:
limits.network_metadata = network_metadata
- good_candidates = []
- for candidate in host_state.allocation_candidates:
- LOG.debug(
- 'NUMATopologyFilter tries allocation candidate: %s, %s',
- candidate, requested_topology
- )
- instance_topology = (hardware.numa_fit_instance_to_host(
- host_topology, requested_topology,
+ good_candidates = self.filter_candidates(
+ host_state,
+ lambda candidate: hardware.numa_fit_instance_to_host(
+ host_topology,
+ requested_topology,
limits=limits,
pci_requests=pci_requests,
pci_stats=host_state.pci_stats,
- provider_mapping=candidate['mappings'],
- ))
- if instance_topology:
- LOG.debug(
- 'NUMATopologyFilter accepted allocation candidate: %s',
- candidate
- )
- good_candidates.append(candidate)
- else:
- LOG.debug(
- 'NUMATopologyFilter rejected allocation candidate: %s',
- candidate
- )
-
- host_state.allocation_candidates = good_candidates
-
- if not host_state.allocation_candidates:
+ provider_mapping=candidate["mappings"],
+ ),
+ )
+
+ if not good_candidates:
LOG.debug("%(host)s, %(node)s fails NUMA topology "
"requirements. The instance does not fit on this "
"host.", {'host': host_state.host,