fix perf when libvirt is >=2.0.0 and <2.3.0
We recently catch some missing perf attributes in the dict returned by
libvirt. This change catch some others.
Change-Id: I9b1e245bdb67db21f290ffb2c35279a807aa26bb
Related-bug: #1632207
(cherry picked from commit a357bf6fab
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@ -124,7 +124,10 @@ class LibvirtInspector(virt_inspector.Inspector):
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perf = stats[0][1]
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usage = perf["perf.cmt"]
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return virt_inspector.CPUL3CacheUsageStats(l3_cache_usage=usage)
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except AttributeError as e:
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except (KeyError, AttributeError) as e:
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# NOTE(sileht): KeyError if for libvirt >=2.0.0,<2.3.0, the perf
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# subsystem ws existing but not these attributes
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# https://github.com/libvirt/libvirt/commit/bae660869de0612bee2a740083fb494c27e3f80c
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msg = _('Perf is not supported by current version of libvirt, and '
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'failed to inspect l3 cache usage of %(instance_uuid)s, '
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'can not get info from libvirt: %(error)s') % {
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@ -264,7 +267,10 @@ class LibvirtInspector(virt_inspector.Inspector):
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perf = stats[0][1]
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return virt_inspector.MemoryBandwidthStats(total=perf["perf.mbmt"],
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local=perf["perf.mbml"])
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except AttributeError as e:
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except (KeyError, AttributeError) as e:
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# NOTE(sileht): KeyError if for libvirt >=2.0.0,<2.3.0, the perf
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# subsystem ws existing but not these attributes
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# https://github.com/libvirt/libvirt/commit/bae660869de0612bee2a740083fb494c27e3f80c
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msg = _('Perf is not supported by current version of libvirt, and '
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'failed to inspect memory bandwidth of %(instance_uuid)s, '
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'can not get info from libvirt: %(error)s') % {
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