def get_numa_nodes(self):
"""Returns the host's list of NUMA nodes.
:returns: list of dictionaries containing information about each
host NUMA node. Each host has at least one NUMA node.
"""
numa_nodes = self._conn.Msvm_NumaNode()
nodes_info = []
system_memory = self._conn.Msvm_Memory(['NumberOfBlocks'])
processors = self._conn.Msvm_Processor(['DeviceID'])
for node in numa_nodes:
# Due to a bug in vmms, getting Msvm_Processor for the numa
# node associators resulted in a vmms crash.
# As an alternative to using associators we have to manually get
# the related Msvm_Processor classes.
# Msvm_HostedDependency is the association class between
# Msvm_NumaNode and Msvm_Processor. We need to use this class to
# relate the two because using associators on Msvm_Processor
# will also result in a crash.
numa_assoc = self._conn.Msvm_HostedDependency(
Antecedent=node.path_())
numa_node_assoc = [item.Dependent for item in numa_assoc]
memory_info = self._get_numa_memory_info(numa_node_assoc,
system_memory)
if not memory_info:
LOG.warning(
_LW("Could not find memory information for NUMA "
"node. Skipping node measurements."))
continue
cpu_info = self._get_numa_cpu_info(numa_node_assoc, processors)
if not cpu_info:
LOG.warning(
_LW("Could not find CPU information for NUMA "
"node. Skipping node measurements."))
continue
node_info = {
# NodeID has the format: Microsoft:PhysicalNode\<NODE_ID>
'id': node.NodeID.split('\\')[-1],
# memory block size is 1MB.
'memory': memory_info.NumberOfBlocks,
'memory_usage': node.CurrentlyConsumableMemoryBlocks,
# DeviceID has the format: Microsoft:UUID\0\<DEV_ID>
'cpuset': set([c.DeviceID.split('\\')[-1] for c in cpu_info]),
# cpu_usage can be set, each CPU has a "LoadPercentage"
'cpu_usage': 0,
}
nodes_info.append(node_info)
return nodes_info
def get_numa_nodes(self):
"""Returns the host's list of NUMA nodes.
:returns: list of dictionaries containing information about each
host NUMA node. Each host has at least one NUMA node.
"""
numa_nodes = self._conn.Msvm_NumaNode()
nodes_info = []
system_memory = self._conn.Msvm_Memory(['NumberOfBlocks'])
processors = self._conn.Msvm_Processor(['DeviceID'])
for node in numa_nodes:
# Due to a bug in vmms, getting Msvm_Processor for the numa
# node associators resulted in a vmms crash.
# As an alternative to using associators we have to manually get
# the related Msvm_Processor classes.
# Msvm_HostedDependency is the association class between
# Msvm_NumaNode and Msvm_Processor. We need to use this class to
# relate the two because using associators on Msvm_Processor
# will also result in a crash.
numa_assoc = self._conn.Msvm_HostedDependency(
Antecedent=node.path_())
numa_node_assoc = [item.Dependent for item in numa_assoc]
memory_info = self._get_numa_memory_info(numa_node_assoc,
system_memory)
if not memory_info:
LOG.warning(_LW("Could not find memory information for NUMA "
"node. Skipping node measurements."))
continue
cpu_info = self._get_numa_cpu_info(numa_node_assoc, processors)
if not cpu_info:
LOG.warning(_LW("Could not find CPU information for NUMA "
"node. Skipping node measurements."))
continue
node_info = {
# NodeID has the format: Microsoft:PhysicalNode\<NODE_ID>
'id': node.NodeID.split('\\')[-1],
# memory block size is 1MB.
'memory': memory_info.NumberOfBlocks,
'memory_usage': node.CurrentlyConsumableMemoryBlocks,
# DeviceID has the format: Microsoft:UUID\0\<DEV_ID>
'cpuset': set([c.DeviceID.split('\\')[-1] for c in cpu_info]),
# cpu_usage can be set, each CPU has a "LoadPercentage"
'cpu_usage': 0,
}
nodes_info.append(node_info)
return nodes_info
def set_disk_host_resource(self, vm_name, controller_path, address,
mounted_disk_path):
# TODO(lpetrut): remove this method after the patch fixing
# swapped disks after host reboot merges in Nova.
disk_found = False
vmsettings = self._lookup_vm_check(vm_name)
(disk_resources, volume_resources) = self._get_vm_disks(vmsettings)
for disk_resource in disk_resources + volume_resources:
if (disk_resource.Parent == controller_path and
self._get_disk_resource_address(disk_resource) ==
str(address)):
if (disk_resource.HostResource and
disk_resource.HostResource[0] != mounted_disk_path):
LOG.debug('Updating disk host resource "%(old)s" to '
'"%(new)s"' %
{'old': disk_resource.HostResource[0],
'new': mounted_disk_path})
disk_resource.HostResource = [mounted_disk_path]
self._jobutils.modify_virt_resource(disk_resource)
disk_found = True
break
if not disk_found:
LOG.warning(_LW('Disk not found on controller '
'"%(controller_path)s" with '
'address "%(address)s"'),
{'controller_path': controller_path,
'address': address})
def set_disk_host_resource(self, vm_name, controller_path, address,
mounted_disk_path):
# TODO(lpetrut): remove this method after the patch fixing
# swapped disks after host reboot merges in Nova.
disk_found = False
vmsettings = self._lookup_vm_check(vm_name)
(disk_resources, volume_resources) = self._get_vm_disks(vmsettings)
for disk_resource in disk_resources + volume_resources:
if (disk_resource.Parent == controller_path
and self._get_disk_resource_address(disk_resource)
== str(address)):
if (disk_resource.HostResource and
disk_resource.HostResource[0] != mounted_disk_path):
LOG.debug(
'Updating disk host resource "%(old)s" to '
'"%(new)s"' % {
'old': disk_resource.HostResource[0],
'new': mounted_disk_path
})
disk_resource.HostResource = [mounted_disk_path]
self._jobutils.modify_virt_resource(disk_resource)
disk_found = True
break
if not disk_found:
LOG.warning(
_LW('Disk not found on controller '
'"%(controller_path)s" with '
'address "%(address)s"'), {
'controller_path': controller_path,
'address': address
})
def set_disk_host_resource(self, vm_name, controller_path, address,
mounted_disk_path):
disk_found = False
vm = self._lookup_vm_check(vm_name)
(disk_resources, volume_resources) = self._get_vm_disks(vm)
for disk_resource in disk_resources + volume_resources:
if (disk_resource.Parent == controller_path and
self._get_disk_resource_address(disk_resource) ==
str(address)):
if (disk_resource.HostResource and
disk_resource.HostResource[0] != mounted_disk_path):
LOG.debug('Updating disk host resource "%(old)s" to '
'"%(new)s"' %
{'old': disk_resource.HostResource[0],
'new': mounted_disk_path})
disk_resource.HostResource = [mounted_disk_path]
self._jobutils.modify_virt_resource(disk_resource, vm)
disk_found = True
break
if not disk_found:
LOG.warning(_LW('Disk not found on controller '
'"%(controller_path)s" with '
'address "%(address)s"'),
{'controller_path': controller_path,
'address': address})
def is_host_guarded(self):
"""Checks the host is guarded so it can run Shielded VMs"""
(return_code,
host_config) = self._conn_hgs.MSFT_HgsClientConfiguration.Get()
if return_code:
LOG.warning(
_LW('Retrieving the local Host Guardian Service '
'Client configuration failed with code: %s'), return_code)
return False
return host_config.IsHostGuarded
def get_fc_hba_ports(self):
hba_ports = []
adapter_count = self.get_fc_hba_count()
for adapter_index in range(adapter_count):
adapter_name = self._get_adapter_name(adapter_index)
try:
hba_ports += self._get_fc_hba_adapter_ports(adapter_name)
except Exception as exc:
msg = _LW("Could not retrieve FC HBA ports for " "adapter: %(adapter_name)s. " "Exception: %(exc)s")
LOG.warning(msg, dict(adapter_name=adapter_name, exc=exc))
return hba_ports
def get_fc_hba_ports(self):
hba_ports = []
adapter_count = self.get_fc_hba_count()
for adapter_index in range(adapter_count):
adapter_name = self._get_adapter_name(adapter_index)
try:
hba_ports += self._get_fc_hba_adapter_ports(adapter_name)
except Exception as exc:
msg = _LW("Could not retrieve FC HBA ports for "
"adapter: %(adapter_name)s. "
"Exception: %(exc)s")
LOG.warning(msg, dict(adapter_name=adapter_name, exc=exc))
return hba_ports
def get_fc_hba_ports(self):
hba_ports = []
adapter_count = self.get_fc_hba_count()
for adapter_index in range(adapter_count):
# We'll ignore unsupported FC HBA ports.
try:
adapter_name = self._get_adapter_name(adapter_index)
except Exception as exc:
msg = _LW("Could not retrieve FC HBA adapter name for "
"adapter number: %(adapter_index)s. "
"Exception: %(exc)s")
LOG.warning(msg, dict(adapter_index=adapter_index, exc=exc))
continue
try:
hba_ports += self._get_fc_hba_adapter_ports(adapter_name)
except Exception as exc:
msg = _LW("Could not retrieve FC HBA ports for "
"adapter: %(adapter_name)s. "
"Exception: %(exc)s")
LOG.warning(msg, dict(adapter_name=adapter_name, exc=exc))
return hba_ports
def _enable_metrics(self, element, metrics_names=None):
if not metrics_names:
definition_paths = [None]
else:
definition_paths = []
for metrics_name in metrics_names:
metrics_def = self._metrics_defs.get(metrics_name)
if not metrics_def:
LOG.warning(_LW("Metric not found: %s"), metrics_name)
continue
definition_paths.append(metrics_def.path_())
element_path = element.path_()
for definition_path in definition_paths:
self._metrics_svc.ControlMetrics(
Subject=element_path,
Definition=definition_path,
MetricCollectionEnabled=self._METRICS_ENABLED)
def _enable_metrics(self, element, metrics_names=None):
if not metrics_names:
definition_paths = [None]
else:
definition_paths = []
for metrics_name in metrics_names:
metrics_def = self._metrics_defs.get(metrics_name)
if not metrics_def:
LOG.warning(_LW("Metric not found: %s"), metrics_name)
continue
definition_paths.append(metrics_def.path_())
element_path = element.path_()
for definition_path in definition_paths:
self._metrics_svc.ControlMetrics(
Subject=element_path,
Definition=definition_path,
MetricCollectionEnabled=self._METRICS_ENABLED)
