def get_samples(self, manager, cache, resources):
self._inspection_duration = self._record_poll_time()
for instance in resources:
LOG.debug(_('Checking memory usage for instance %s'), instance.id)
try:
instance_name = util.instance_name(instance)
memory_info = manager.inspector.inspect_memory_usage( instance_name, self._inspection_duration)
if (memory_info):
usg=memory_info.usage
else:
usg=0;
# Workaround https://bugs.launchpad.net/fuel/+bug/1379794
LOG.debug(_("MEMORY USAGE: %(instance)s %(usage)f"),
({'instance': getattr(instance, 'id'),
'usage': usg}))
yield util.make_sample_from_instance(
instance,
name='memory.usage',
type=sample.TYPE_GAUGE,
unit='MB',
volume=usg,
)
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug(_('Exception while getting samples %s'), err)
except ceilometer.NotImplementedError:
# Selected inspector does not implement this pollster.
LOG.debug(_('Obtaining Memory Usage is not implemented for %s'
), manager.inspector.__class__.__name__)
except Exception as err:
LOG.exception(_('Could not get Memory Usage for '
'%(id)s: %(e)s'), {'id': instance.id,
'e': err})
def get_samples(self, manager, cache, instance):
LOG.info(_('checking instance %s'), instance.id)
instance_name = util.instance_name(instance)
try:
cpu_info = manager.inspector.inspect_cpus(instance_name)
LOG.info(
_("CPUTIME USAGE: %(instance)s %(time)d") %
({
'instance': instance.__dict__,
'time': cpu_info.time
}))
cpu_num = {'cpu_number': cpu_info.number}
yield util.make_sample_from_instance(
instance,
name='cpu',
type=sample.TYPE_CUMULATIVE,
unit='ns',
volume=cpu_info.time,
additional_metadata=cpu_num,
)
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug(_('Exception while getting samples %s'), err)
except Exception as err:
LOG.error(
_('could not get CPU time for %(id)s: %(e)s') %
({
'id': instance.id,
'e': err
}))
LOG.exception(err)
def get_samples(self, manager, cache, resources):
self._inspection_duration = self._record_poll_time()
for instance in resources:
LOG.debug('Checking resident memory for instance %s',
instance.id)
instance_name = util.instance_name(instance)
try:
memory_info = manager.inspector.inspect_memory_resident(
instance_name, self._inspection_duration)
LOG.debug("RESIDENT MEMORY: %(instance)s %(resident)f",
{'instance': instance,
'resident': memory_info.resident})
yield util.make_sample_from_instance(
instance,
name='memory.resident',
type=sample.TYPE_GAUGE,
unit='MB',
volume=memory_info.resident,
)
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug('Exception while getting samples %s', err)
except ceilometer.NotImplementedError:
# Selected inspector does not implement this pollster.
LOG.debug('Obtaining Resident Memory is not implemented'
' for %s', self.inspector.__class__.__name__)
except Exception as err:
LOG.exception(_('Could not get Resident Memory Usage for '
'%(id)s: %(e)s'), {'id': instance.id,
'e': err})
def _populate_cache(self, inspector, cache, instance):
i_cache = cache.setdefault(self.CACHE_KEY_DISK_INFO, {})
if instance.id not in i_cache:
instance_name = util.instance_name(instance)
all_capacity = 0
all_allocation = 0
all_physical = 0
per_disk_capacity = {}
per_disk_allocation = {}
per_disk_physical = {}
disk_info = inspector.inspect_disk_info(instance_name)
for disk, info in disk_info:
all_capacity += info.capacity
all_allocation += info.allocation
all_physical += info.physical
per_disk_capacity[disk.device] = info.capacity
per_disk_allocation[disk.device] = info.allocation
per_disk_physical[disk.device] = info.physical
per_disk_info = {
'capacity': per_disk_capacity,
'allocation': per_disk_allocation,
'physical': per_disk_physical,
}
i_cache[instance.id] = DiskInfoData(
all_capacity,
all_allocation,
all_physical,
per_disk_info
)
return i_cache[instance.id]
def inspect_memory_usage(self, instance, duration=None):
instance_name = util.instance_name(instance)
domain = self._get_domain_not_shut_off_or_raise(instance)
try:
memory_stats = domain.memoryStats()
if (memory_stats and memory_stats.get('available')
and memory_stats.get('unused')):
memory_used = (memory_stats.get('available') -
memory_stats.get('unused'))
# Stat provided from libvirt is in KB, converting it to MB.
memory_used = memory_used / units.Ki
return virt_inspector.MemoryUsageStats(usage=memory_used)
else:
msg = _('Failed to inspect memory usage of instance '
'<name=%(name)s, id=%(id)s>, '
'can not get info from libvirt.') % {
'name': instance_name,
'id': instance.id
}
raise virt_inspector.InstanceNoDataException(msg)
# memoryStats might launch an exception if the method is not supported
# by the underlying hypervisor being used by libvirt.
except libvirt.libvirtError as e:
msg = _('Failed to inspect memory usage of %(instance_uuid)s, '
'can not get info from libvirt: %(error)s') % {
'instance_uuid': instance.id,
'error': e
}
raise virt_inspector.NoDataException(msg)
def inspect_vnics(self, instance):
instance_name = util.instance_name(instance)
vm_ref = self._lookup_by_name(instance_name)
dom_id = self._call_xenapi("VM.get_domid", vm_ref)
vif_refs = self._call_xenapi("VM.get_VIFs", vm_ref)
bw_all = self._call_plugin_serialized('bandwidth',
'fetch_all_bandwidth')
for vif_ref in vif_refs or []:
vif_rec = self._call_xenapi("VIF.get_record", vif_ref)
interface = virt_inspector.Interface(name=vif_rec['uuid'],
mac=vif_rec['MAC'],
fref=None,
parameters=None)
bw_vif = bw_all[dom_id][vif_rec['device']]
# TODO(jianghuaw): Currently the plugin can only support
# rx_bytes and tx_bytes, so temporarily set others as -1.
stats = virt_inspector.InterfaceStats(rx_bytes=bw_vif['bw_in'],
rx_packets=-1,
rx_drop=-1,
rx_errors=-1,
tx_bytes=bw_vif['bw_out'],
tx_packets=-1,
tx_drop=-1,
tx_errors=-1)
yield (interface, stats)
def _get_vms(self, manager):
vms = nova_client.Client().instance_get_all_by_host(cfg.CONF.host)
for vm in vms:
instance_name = util.instance_name(vm)
state = manager.inspector.inspect_state(instance_name)
if state.state == inspector.PAUSED:
yield vm
def inspect_memory_usage_rate(self,instance,duration=None):
instance_name=util.instance_name(instance)
vm_ref=self._lookup_by_name(instance_name)
total_mem=float(self._call_xenapi("VM.query_data_source",
vm_ref,
"memory"))
return total_mem
def get_samples(self, manager, cache, resources):
for instance in resources:
try:
disk_size_info = self._populate_cache(
self.inspector,
cache,
instance,
)
for disk_info in self._get_samples(instance, disk_size_info):
yield disk_info
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug('Exception while getting samples %s', err)
except virt_inspector.InstanceShutOffException as e:
LOG.warning(_LW('Instance %(instance_id)s was shut off while '
'getting samples of %(pollster)s: %(exc)s'),
{'instance_id': instance.id,
'pollster': self.__class__.__name__, 'exc': e})
except ceilometer.NotImplementedError:
# Selected inspector does not implement this pollster.
LOG.debug('%(inspector)s does not provide data for '
' %(pollster)s',
{'inspector': self.inspector.__class__.__name__,
'pollster': self.__class__.__name__})
except Exception as err:
instance_name = util.instance_name(instance)
LOG.exception(_('Ignoring instance %(name)s '
'(%(instance_id)s) : %(error)s') % (
{'name': instance_name,
'instance_id': instance.id,
'error': err}))
def get_samples(self, manager, cache, resources):
for instance in resources:
LOG.info(_('checking instance %s'), instance.id)
instance_name = util.instance_name(instance)
try:
cpu_info = manager.inspector.inspect_cpus(instance_name)
LOG.info(_("CPUTIME USAGE: %(instance)s %(time)d"), {
'instance': instance.__dict__,
'time': cpu_info.time
})
cpu_num = {'cpu_number': cpu_info.number}
yield util.make_sample_from_instance(
instance,
name='cpu',
type=sample.TYPE_CUMULATIVE,
unit='ns',
volume=cpu_info.time,
additional_metadata=cpu_num,
)
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug(_('Exception while getting samples %s'), err)
except NotImplementedError:
# Selected inspector does not implement this pollster.
LOG.debug(_('Obtaining CPU time is not implemented for %s'),
manager.inspector.__class__.__name__)
except Exception as err:
LOG.exception(_('could not get CPU time for %(id)s: %(e)s'), {
'id': instance.id,
'e': err
})
def make_vnic_sample(instance, name, type, unit, volume, vnic_data):
metadata = copy.copy(vnic_data)
resource_metadata = dict(zip(metadata._fields, metadata))
resource_metadata['instance_id'] = instance.id
resource_metadata['instance_type'] = (instance.flavor['id']
if instance.flavor else None)
compute_util.add_reserved_user_metadata(instance.metadata,
resource_metadata)
if vnic_data.fref is not None:
rid = vnic_data.fref
else:
instance_name = util.instance_name(instance)
rid = "%s-%s-%s" % (instance_name, instance.id, vnic_data.name)
return sample.Sample(name=name,
type=type,
unit=unit,
volume=volume,
user_id=instance.user_id,
project_id=instance.tenant_id,
resource_id=rid,
timestamp=timeutils.utcnow().isoformat(),
resource_metadata=resource_metadata)
def get_samples(self, manager, cache, resources):
for instance in resources:
instance_name = util.instance_name(instance)
try:
c_data = self._populate_cache(
self.inspector,
cache,
instance,
)
for s in self._get_samples(instance, c_data):
yield s
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug('Exception while getting samples %s', err)
except virt_inspector.InstanceShutOffException as e:
LOG.warn(
_LW('Instance %(instance_id)s was shut off while '
'getting samples of %(pollster)s: %(exc)s'), {
'instance_id': instance.id,
'pollster': self.__class__.__name__,
'exc': e
})
except ceilometer.NotImplementedError:
# Selected inspector does not implement this pollster.
LOG.debug(
'%(inspector)s does not provide data for '
' %(pollster)s', {
'inspector': self.inspector.__class__.__name__,
'pollster': self.__class__.__name__
})
except Exception as err:
LOG.exception(_('Ignoring instance %(name)s: %(error)s'), {
'name': instance_name,
'error': err
})
def get_samples(self, manager, cache, resources):
for instance in resources:
LOG.info(_('checking instance %s'), instance.id)
instance_name = util.instance_name(instance)
try:
cpu_info = manager.inspector.inspect_cpus(instance_name)
LOG.info(_("CPUTIME USAGE: %(instance)s %(time)d") % (
{'instance': instance.__dict__,
'time': cpu_info.time}))
cpu_num = {'cpu_number': cpu_info.number}
yield util.make_sample_from_instance(
instance,
name='cpu',
type=sample.TYPE_CUMULATIVE,
unit='ns',
volume=cpu_info.time,
additional_metadata=cpu_num,
)
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug(_('Exception while getting samples %s'), err)
except NotImplementedError:
# Selected inspector does not implement this pollster.
LOG.debug(_('Obtaining CPU time is not implemented for %s'
), manager.inspector.__class__.__name__)
except Exception as err:
LOG.error(_('could not get CPU time for %(id)s: %(e)s') % (
{'id': instance.id, 'e': err}))
LOG.exception(err)
def get_samples(self, manager, cache, resources):
for instance in resources:
try:
disk_iops_info = self._populate_cache(
self.inspector,
cache,
instance,
)
for disk_iops in self._get_samples(instance,
disk_iops_info):
yield disk_iops
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug('Exception while getting samples %s', err)
except ceilometer.NotImplementedError:
# Selected inspector does not implement this pollster.
LOG.debug('%(inspector)s does not provide data for '
'%(pollster)s',
{'inspector': self.inspector.__class__.__name__,
'pollster': self.__class__.__name__})
raise plugin_base.PollsterPermanentError(resources)
except Exception as err:
instance_name = util.instance_name(instance)
LOG.exception(_LE('Ignoring instance %(name)s: %(error)s'),
{'name': instance_name, 'error': err})
def inspect_disk_latency(self, instance, duration):
instance_name = util.instance_name(instance)
for disk_metrics in self._utils.get_disk_latency_metrics(
instance_name):
yield virt_inspector.DiskLatencyStats(
device=disk_metrics['instance_id'],
disk_latency=disk_metrics['disk_latency'] / 1000)
def inspect_disks(self, instance):
instance_name = util.instance_name(instance)
domain = self._lookup_by_uuid(instance)
state = domain.info()[0]
if state == libvirt.VIR_DOMAIN_SHUTOFF:
LOG.warn(
_('Failed to inspect disks of instance Name '
'%(instance_name)s UUID %(instance_uuid)s, '
'domain is in state of SHUTOFF'), {
'instance_name': instance_name,
'instance_uuid': instance.id
})
return
tree = etree.fromstring(domain.XMLDesc(0))
for device in filter(bool, [
target.get("dev")
for target in tree.findall('devices/disk/target')
]):
disk = virt_inspector.Disk(device=device)
block_stats = domain.blockStats(device)
stats = virt_inspector.DiskStats(read_requests=block_stats[0],
read_bytes=block_stats[1],
write_requests=block_stats[2],
write_bytes=block_stats[3],
errors=block_stats[4])
yield (disk, stats)
def get_samples(self, manager, cache, resources):
self._inspection_duration = self._record_poll_time()
for instance in resources:
instance_name = util.instance_name(instance)
LOG.debug('checking net info for instance %s', instance.id)
try:
vnics = self._get_vnics_for_instance(
cache,
self.inspector,
instance,
)
for vnic, info in vnics:
LOG.debug(self.NET_USAGE_MESSAGE, instance_name,
vnic.name, self._get_rx_info(info),
self._get_tx_info(info))
yield self._get_sample(instance, vnic, info)
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug('Exception while getting samples %s', err)
except virt_inspector.InstanceShutOffException as e:
LOG.warning(_LW('Instance %(instance_id)s was shut off while '
'getting samples of %(pollster)s: %(exc)s'),
{'instance_id': instance.id,
'pollster': self.__class__.__name__, 'exc': e})
except ceilometer.NotImplementedError:
# Selected inspector does not implement this pollster.
LOG.debug('%(inspector)s does not provide data for '
' %(pollster)s',
{'inspector': self.inspector.__class__.__name__,
'pollster': self.__class__.__name__})
except Exception as err:
LOG.exception(_('Ignoring instance %(name)s: %(error)s'),
{'name': instance_name, 'error': err})
def get_samples(self, manager, cache, resources):
for instance in resources:
try:
disk_iops_info = self._populate_cache(
self.inspector,
cache,
instance,
)
for disk_iops in self._get_samples(instance, disk_iops_info):
yield disk_iops
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug('Exception while getting samples %s', err)
except ceilometer.NotImplementedError:
# Selected inspector does not implement this pollster.
LOG.debug(
'%(inspector)s does not provide data for '
'%(pollster)s', {
'inspector': self.inspector.__class__.__name__,
'pollster': self.__class__.__name__
})
raise plugin_base.PollsterPermanentError(resources)
except Exception as err:
instance_name = util.instance_name(instance)
LOG.exception(_('Ignoring instance %(name)s: %(error)s'), {
'name': instance_name,
'error': err
})
def get_samples(self, manager, cache, resources):
for instance in resources:
instance_name = util.instance_name(instance)
LOG.debug(_('checking net info for instance %s'), instance.id)
try:
vnics = self._get_vnics_for_instance(
cache,
manager.inspector,
instance,
)
for vnic, info in vnics:
LOG.debug(self.NET_USAGE_MESSAGE, instance_name,
vnic.name, self._get_rx_info(info),
self._get_tx_info(info))
yield self._get_sample(instance, vnic, info)
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug(_('Exception while getting samples %s'), err)
except NotImplementedError:
# Selected inspector does not implement this pollster.
LOG.debug(_('%(inspector)s does not provide data for '
' %(pollster)s'), ({
'inspector': manager.inspector.__class__.__name__,
'pollster': self.__class__.__name__}))
except Exception as err:
LOG.warning(_('Ignoring instance %(name)s: %(error)s') % (
{'name': instance_name, 'error': err}))
LOG.exception(err)
def _get_vnics_for_instance(self, cache, inspector, instance):
instance_name = util.instance_name(instance)
i_cache = cache.setdefault(self.CACHE_KEY_VNIC, {})
if instance_name not in i_cache:
i_cache[instance_name] = list(
self._get_vnic_info(inspector, instance))
return i_cache[instance_name]
def get_samples(self, manager, cache, resources):
for instance in resources:
instance_name = util.instance_name(instance)
try:
c_data = self._populate_cache(
self.inspector,
cache,
instance,
)
for s in self._get_samples(instance, c_data):
yield s
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug('Exception while getting samples %s', err)
except virt_inspector.InstanceShutOffException as e:
LOG.debug('Instance %(instance_id)s was shut off while '
'getting samples of %(pollster)s: %(exc)s',
{'instance_id': instance.id,
'pollster': self.__class__.__name__, 'exc': e})
except ceilometer.NotImplementedError:
# Selected inspector does not implement this pollster.
LOG.debug('%(inspector)s does not provide data for '
' %(pollster)s',
{'inspector': self.inspector.__class__.__name__,
'pollster': self.__class__.__name__})
raise plugin_base.PollsterPermanentError(resources)
except Exception as err:
LOG.exception(_('Ignoring instance %(name)s: %(error)s'),
{'name': instance_name, 'error': err})
def get_samples(self, manager, cache, resources):
for instance in resources:
LOG.debug(_('checking instance %s'), instance.id)
instance_name = util.instance_name(instance)
try:
checkpoint_pause = manager.inspector.inspect_checkpoint(
instance)[2]
LOG.debug(_("CHECKPOINT PAUSE: %(instance)s %(time)d"), {
'instance': instance.__dict__,
'time': checkpoint_pause
})
yield util.make_sample_from_instance(
instance,
name='checkpoint.pause',
type=sample.TYPE_GAUGE,
unit='ms',
volume=checkpoint_pause,
)
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug(_('Exception while getting samples %s'), err)
except ceilometer.NotImplementedError:
# Selected inspector does not implement this pollster.
LOG.debug(
_('Obtaining checkpoint pause is not implemented for %s'),
manager.inspector.__class__.__name__)
except Exception as err:
LOG.exception(
_('could not get checkpoint pause for %(id)s: %(e)s'), {
'id': instance.id,
'e': err
})
def _populate_cache(self, inspector, cache, instance):
i_cache = cache.setdefault(self.CACHE_KEY_DISK_INFO, {})
if instance.id not in i_cache:
instance_name = util.instance_name(instance)
all_capacity = 0
all_allocation = 0
all_physical = 0
per_disk_capacity = {}
per_disk_allocation = {}
per_disk_physical = {}
disk_info = inspector.inspect_disk_info(instance_name)
for disk, info in disk_info:
all_capacity += info.capacity
all_allocation += info.allocation
all_physical += info.physical
per_disk_capacity[disk.device] = info.capacity
per_disk_allocation[disk.device] = info.allocation
per_disk_physical[disk.device] = info.physical
per_disk_info = {
'capacity': per_disk_capacity,
'allocation': per_disk_allocation,
'physical': per_disk_physical,
}
i_cache[instance.id] = DiskInfoData(all_capacity, all_allocation,
all_physical, per_disk_info)
return i_cache[instance.id]
def get_samples(self, manager, cache, resources):
self._inspection_duration = self._record_poll_time()
for instance in resources:
instance_name = util.instance_name(instance)
LOG.debug(_('checking net info for instance %s'), instance.id)
try:
vnics = self._get_vnics_for_instance(
cache,
manager.inspector,
instance,
)
for vnic, info in vnics:
LOG.debug(self.NET_USAGE_MESSAGE, instance_name, vnic.name,
self._get_rx_info(info), self._get_tx_info(info))
yield self._get_sample(instance, vnic, info)
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug(_('Exception while getting samples %s'), err)
except NotImplementedError:
# Selected inspector does not implement this pollster.
LOG.debug(
_('%(inspector)s does not provide data for '
' %(pollster)s'), {
'inspector': manager.inspector.__class__.__name__,
'pollster': self.__class__.__name__
})
except Exception as err:
LOG.exception(_('Ignoring instance %(name)s: %(error)s'), {
'name': instance_name,
'error': err
})
def inspect_memory_usage(self, instance, duration=None):
instance_name = util.instance_name(instance)
domain = self._get_domain_not_shut_off_or_raise(instance)
try:
memory_stats = domain.memoryStats()
if (memory_stats and
memory_stats.get('available') and
memory_stats.get('unused')):
memory_used = (memory_stats.get('available') -
memory_stats.get('unused'))
# Stat provided from libvirt is in KB, converting it to MB.
memory_used = memory_used / units.Ki
return virt_inspector.MemoryUsageStats(usage=memory_used)
else:
msg = _('Failed to inspect memory usage of instance '
'<name=%(name)s, id=%(id)s>, '
'can not get info from libvirt.') % {
'name': instance_name, 'id': instance.id}
raise virt_inspector.InstanceNoDataException(msg)
# memoryStats might launch an exception if the method is not supported
# by the underlying hypervisor being used by libvirt.
except libvirt.libvirtError as e:
msg = _('Failed to inspect memory usage of %(instance_uuid)s, '
'can not get info from libvirt: %(error)s') % {
'instance_uuid': instance.id, 'error': e}
raise virt_inspector.NoDataException(msg)
def make_vnic_sample(instance, name, type, unit, volume, vnic_data):
metadata = copy.copy(vnic_data)
resource_metadata = dict(zip(metadata._fields, metadata))
resource_metadata['instance_id'] = instance.id
resource_metadata['instance_type'] = (instance.flavor['id'] if
instance.flavor else None)
compute_util.add_reserved_user_metadata(instance.metadata,
resource_metadata)
if vnic_data.fref is not None:
rid = vnic_data.fref
else:
instance_name = util.instance_name(instance)
rid = "%s-%s-%s" % (instance_name, instance.id, vnic_data.name)
return sample.Sample(
name=name,
type=type,
unit=unit,
volume=volume,
user_id=instance.user_id,
project_id=instance.tenant_id,
resource_id=rid,
timestamp=timeutils.isotime(),
resource_metadata=resource_metadata
)
def inspect_vnics(self, instance, duration):
instance_name = util.instance_name(instance)
vm_ref = self._lookup_by_name(instance_name)
dom_id = self.session.VM.get_domid(vm_ref)
vif_refs = self.session.VM.get_VIFs(vm_ref)
bw_all = self.session.call_plugin_serialized('bandwidth',
'fetch_all_bandwidth')
LOG.debug("inspect_vnics, all bandwidth: %s",
bw_all,
instance=instance)
for vif_ref in vif_refs:
vif_rec = self.session.VIF.get_record(vif_ref)
bw_vif = bw_all[dom_id][vif_rec['device']]
# TODO(jianghuaw): Currently the plugin can only support
# rx_bytes and tx_bytes, so temporarily set others as -1.
yield virt_inspector.InterfaceStats(name=vif_rec['uuid'],
mac=vif_rec['MAC'],
fref=None,
parameters=None,
rx_bytes=bw_vif['bw_in'],
rx_packets=-1,
rx_drop=-1,
rx_errors=-1,
tx_bytes=bw_vif['bw_out'],
tx_packets=-1,
tx_drop=-1,
tx_errors=-1,
rx_bytes_delta=-1,
tx_bytes_delta=-1)
def get_samples(self, manager, cache, resources):
for instance in resources:
instance_name = util.instance_name(instance)
try:
c_data = self._populate_cache(
manager.inspector,
cache,
instance,
instance_name,
)
yield self._get_sample(instance, c_data)
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug(_('Exception while getting samples %s'), err)
except NotImplementedError:
# Selected inspector does not implement this pollster.
LOG.debug(
_('%(inspector)s does not provide data for '
' %(pollster)s'), {
'inspector': manager.inspector.__class__.__name__,
'pollster': self.__class__.__name__
})
except Exception as err:
LOG.exception(_('Ignoring instance %(name)s: %(error)s'), {
'name': instance_name,
'error': err
})
def inspect_memory_usage(self, instance, duration=None):
instance_name = util.instance_name(instance)
domain = self._lookup_by_uuid(instance)
state = domain.info()[0]
if state == libvirt.VIR_DOMAIN_SHUTOFF:
LOG.warn(_('Failed to inspect memory usage of instance Name '
'%(instance_name)s UUID %(instance_uuid)s, '
'domain is in state of SHUTOFF'),
{'instance_name': instance_name,
'instance_uuid': instance.id})
return
try:
memory_stats = domain.memoryStats()
if (memory_stats and
memory_stats.get('available') and
memory_stats.get('unused')):
memory_used = (memory_stats.get('available') -
memory_stats.get('unused'))
# Stat provided from libvirt is in KB, converting it to MB.
memory_used = memory_used / units.Ki
return virt_inspector.MemoryUsageStats(usage=memory_used)
else:
LOG.warn(_('Failed to inspect memory usage of instance Name '
'%(instance_name)s UUID %(instance_uuid)s, '
'can not get info from libvirt'),
{'instance_name': instance_name,
'instance_uuid': instance.id})
# memoryStats might launch an exception if the method
# is not supported by the underlying hypervisor being
# used by libvirt
except libvirt.libvirtError as e:
LOG.warn(_('Failed to inspect memory usage of %(instance_uuid)s, '
'can not get info from libvirt: %(error)s'),
{'instance_uuid': instance.id, 'error': e})
def inspect_disk_latency(self, instance, duration):
instance_name = util.instance_name(instance)
for disk_metrics in self._utils.get_disk_latency_metrics(
instance_name):
yield virt_inspector.DiskLatencyStats(
device=disk_metrics['instance_id'],
disk_latency=disk_metrics['disk_latency'] / 1000)
def get_samples(self, manager, cache, resources):
self._inspection_duration = self._record_poll_time()
for instance in resources:
LOG.debug('Checking resident memory for instance %s', instance.id)
instance_name = util.instance_name(instance)
try:
memory_info = manager.inspector.inspect_memory_resident(
instance_name, self._inspection_duration)
LOG.debug("RESIDENT MEMORY: %(instance)s %(resident)f", {
'instance': instance,
'resident': memory_info.resident
})
yield util.make_sample_from_instance(
instance,
name='memory.resident',
type=sample.TYPE_GAUGE,
unit='MB',
volume=memory_info.resident,
)
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug('Exception while getting samples %s', err)
except ceilometer.NotImplementedError:
# Selected inspector does not implement this pollster.
LOG.debug(
'Obtaining Resident Memory is not implemented'
' for %s', self.inspector.__class__.__name__)
except Exception as err:
LOG.exception(
_('Could not get Resident Memory Usage for '
'%(id)s: %(e)s'), {
'id': instance.id,
'e': err
})
def get_samples(self, manager, cache, resources):
self._inspection_duration = self._record_poll_time()
for instance in resources:
instance_name = util.instance_name(instance)
LOG.debug(_("checking net info for instance %s"), instance.id)
try:
vnics = self._get_vnics_for_instance(cache, manager.inspector, instance)
for vnic, info in vnics:
LOG.debug(
self.NET_USAGE_MESSAGE,
instance_name,
vnic.name,
self._get_rx_info(info),
self._get_tx_info(info),
)
yield self._get_sample(instance, vnic, info)
except virt_inspector.InstanceNotFoundException as err:
# Instance was deleted while getting samples. Ignore it.
LOG.debug(_("Exception while getting samples %s"), err)
except NotImplementedError:
# Selected inspector does not implement this pollster.
LOG.debug(
_("%(inspector)s does not provide data for " " %(pollster)s"),
({"inspector": manager.inspector.__class__.__name__, "pollster": self.__class__.__name__}),
)
except Exception as err:
LOG.warning(_("Ignoring instance %(name)s: %(error)s") % ({"name": instance_name, "error": err}))
LOG.exception(err)
def inspect_instance(self, instance, duration):
instance_name = util.instance_name(instance)
vm_ref = self._lookup_by_name(instance_name)
cpu_util = self._get_cpu_usage(vm_ref, instance_name)
memory_usage = self._get_memory_usage(vm_ref)
return virt_inspector.InstanceStats(cpu_util=cpu_util,
memory_usage=memory_usage)
def inspect_memory_usage(self, instance, duration=None):
instance_name = util.instance_name(instance)
domain = self._lookup_by_name(instance_name)
state = domain.info()[0]
if state == libvirt.VIR_DOMAIN_SHUTOFF:
LOG.warn(
_('Failed to inspect memory usage of %(instance_name)s, '
'domain is in state of SHUTOFF'),
{'instance_name': instance_name})
return
try:
memory_stats = domain.memoryStats()
if (memory_stats and memory_stats.get('available')
and memory_stats.get('unused')):
memory_used = (memory_stats.get('available') -
memory_stats.get('unused'))
# Stat provided from libvirt is in KB, converting it to MB.
memory_used = memory_used / units.Ki
return virt_inspector.MemoryUsageStats(usage=memory_used)
else:
LOG.warn(
_('Failed to inspect memory usage of '
'%(instance_name)s, can not get info from libvirt'),
{'instance_name': instance_name})
# memoryStats might launch an exception if the method
# is not supported by the underlying hypervisor being
# used by libvirt
except libvirt.libvirtError as e:
LOG.warn(
_('Failed to inspect memory usage of %(instance_name)s, '
'can not get info from libvirt: %(error)s'), {
'instance_name': instance_name,
'error': e
})
def _get_vms(self, manager):
vms = nova_client.Client().instance_get_all_by_host(cfg.CONF.host)
for vm in vms:
instance_name = util.instance_name(vm)
state = manager.inspector.inspect_state(instance_name)
if state.state == inspector.PAUSED:
yield vm
def inspect_memory_usage(self, instance, duration=None):
instance_name = util.instance_name(instance)
vm_ref = self._lookup_by_name(instance_name)
metrics_ref = self._call_xenapi("VM.get_metrics", vm_ref)
metrics_rec = self._call_xenapi("VM_metrics.get_record", metrics_ref)
# Stat provided from XenServer is in B, converting it to MB.
memory = int(metrics_rec["memory_actual"]) / units.Mi
return virt_inspector.MemoryUsageStats(usage=memory)
def inspect_memory_usage(self, instance, duration=None):
instance_name = util.instance_name(instance)
vm_ref = self._lookup_by_name(instance_name)
metrics_ref = self._call_xenapi("VM.get_metrics", vm_ref)
metrics_rec = self._call_xenapi("VM_metrics.get_record", metrics_ref)
# Stat provided from XenServer is in B, converting it to MB.
memory = int(metrics_rec['memory_actual']) / units.Mi
return virt_inspector.MemoryUsageStats(usage=memory)
def _get_vnics_for_instance(self, cache, inspector, instance):
instance_name = util.instance_name(instance)
i_cache = cache.setdefault(self.CACHE_KEY_VNIC, {})
if instance_name not in i_cache:
i_cache[instance_name] = list(
self._get_vnic_info(inspector, instance)
)
return i_cache[instance_name]
def inspect_disk_iops(self, instance):
instance_name = util.instance_name(instance)
for disk_metrics in self._utils.get_disk_iops_count(instance_name):
disk = virt_inspector.Disk(device=disk_metrics['instance_id'])
stats = virt_inspector.DiskIOPSStats(
iops_count=disk_metrics['iops_count'])
yield (disk, stats)
def inspect_disk_iops(self, instance):
instance_name = util.instance_name(instance)
for disk_metrics in self._utils.get_disk_iops_count(instance_name):
disk = virt_inspector.Disk(device=disk_metrics['instance_id'])
stats = virt_inspector.DiskIOPSStats(
iops_count=disk_metrics['iops_count'])
yield (disk, stats)
def inspect_disk_latency(self, instance):
instance_name = util.instance_name(instance)
for disk_metrics in self._utils.get_disk_latency_metrics(
instance_name):
disk = virt_inspector.Disk(device=disk_metrics['instance_id'])
stats = virt_inspector.DiskLatencyStats(
disk_latency=disk_metrics['disk_latency'])
yield (disk, stats)
def inspect_instance(self, instance, duration):
instance_name = util.instance_name(instance)
vm_ref = self._lookup_by_name(instance_name)
cpu_util = self._get_cpu_usage(vm_ref, instance_name)
memory_usage = self._get_memory_usage(vm_ref)
LOG.debug("inspect_instance, cpu_util: %(cpu)s, memory_usage: %(mem)s",
{'cpu': cpu_util, 'mem': memory_usage}, instance=instance)
return virt_inspector.InstanceStats(cpu_util=cpu_util,
memory_usage=memory_usage)
def inspect_disk_latency(self, instance):
instance_name = util.instance_name(instance)
for disk_metrics in self._utils.get_disk_latency_metrics(
instance_name):
disk = virt_inspector.Disk(device=disk_metrics['instance_id'])
stats = virt_inspector.DiskLatencyStats(
disk_latency=disk_metrics['disk_latency'])
yield (disk, stats)
def inspect_checkpoint(self, instance):
instance_name = util.instance_name(instance)
domain = self._lookup_by_uuid(instance)
info = domain.jobInfo()
return virt_inspector.CheckpointStats(
checkpoint_size=info[12],
checkpoint_length=info[13],
checkpoint_pause=info[14],
checkpoint_count=info[15],
checkpoint_proxyDiscompare=info[16])
def inspect_disks(self, instance, duration):
instance_name = util.instance_name(instance)
for disk_metrics in self._utils.get_disk_metrics(instance_name):
yield virt_inspector.DiskStats(
device=disk_metrics['instance_id'],
read_requests=0,
# Return bytes
read_bytes=disk_metrics['read_mb'] * units.Mi,
write_requests=0,
write_bytes=disk_metrics['write_mb'] * units.Mi,
errors=0)
def inspect_cpus(self, instance):
instance_name = util.instance_name(instance)
(cpu_clock_used, cpu_count,
uptime) = self._utils.get_cpu_metrics(instance_name)
host_cpu_clock, host_cpu_count = self._utils.get_host_cpu_info()
cpu_percent_used = (cpu_clock_used / float(host_cpu_clock * cpu_count))
# Nanoseconds
cpu_time = (long(uptime * cpu_percent_used) * units.k)
return virt_inspector.CPUStats(number=cpu_count, time=cpu_time)
def inspect_cpus(self, instance):
instance_name = util.instance_name(instance)
(cpu_clock_used,
cpu_count, uptime) = self._utils.get_cpu_metrics(instance_name)
cpu_percent_used = cpu_clock_used / self._host_max_cpu_clock
# Nanoseconds
cpu_time = (int(uptime * cpu_percent_used) * units.k)
return virt_inspector.CPUStats(number=cpu_count, time=cpu_time)
def inspect_disks(self, instance, duration):
instance_name = util.instance_name(instance)
for disk_metrics in self._utils.get_disk_metrics(instance_name):
yield virt_inspector.DiskStats(
device=disk_metrics['instance_id'],
read_requests=0,
# Return bytes
read_bytes=disk_metrics['read_mb'] * units.Mi,
write_requests=0,
write_bytes=disk_metrics['write_mb'] * units.Mi,
errors=0, wr_total_times=0, rd_total_times=0)
def inspect_cpus(self, instance):
instance_name = util.instance_name(instance)
(cpu_clock_used,
cpu_count, uptime) = self._utils.get_cpu_metrics(instance_name)
host_cpu_clock, host_cpu_count = self._utils.get_host_cpu_info()
cpu_percent_used = (cpu_clock_used /
float(host_cpu_clock * cpu_count))
# Nanoseconds
cpu_time = (long(uptime * cpu_percent_used) * units.k)
return virt_inspector.CPUStats(number=cpu_count, time=cpu_time)
def inspect_instance(self, instance, duration):
instance_name = util.instance_name(instance)
(cpu_clock_used, cpu_count,
uptime) = self._utils.get_cpu_metrics(instance_name)
cpu_percent_used = cpu_clock_used / self._host_max_cpu_clock
# Nanoseconds
cpu_time = (int(uptime * cpu_percent_used) * units.k)
memory_usage = self._utils.get_memory_metrics(instance_name)
return virt_inspector.InstanceStats(cpu_number=cpu_count,
cpu_time=cpu_time,
memory_usage=memory_usage)
def inspect_instance(self, instance, duration):
instance_name = util.instance_name(instance)
(cpu_clock_used,
cpu_count, uptime) = self._utils.get_cpu_metrics(instance_name)
cpu_percent_used = cpu_clock_used / self._host_max_cpu_clock
# Nanoseconds
cpu_time = (int(uptime * cpu_percent_used) * units.k)
memory_usage = self._utils.get_memory_metrics(instance_name)
return virt_inspector.InstanceStats(
cpu_number=cpu_count,
cpu_time=cpu_time,
memory_usage=memory_usage)
def _get_domain_not_shut_off_or_raise(self, instance):
instance_name = util.instance_name(instance)
domain = self._lookup_by_uuid(instance)
state = domain.info()[0]
if state == libvirt.VIR_DOMAIN_SHUTOFF:
msg = _('Failed to inspect data of instance '
'<name=%(name)s, id=%(id)s>, '
'domain state is SHUTOFF.') % {
'name': instance_name, 'id': instance.id}
raise virt_inspector.InstanceShutOffException(msg)
return domain
def inspect_disks(self, instance):
instance_name = util.instance_name(instance)
for disk_metrics in self._utils.get_disk_metrics(instance_name):
disk = virt_inspector.Disk(device=disk_metrics['instance_id'])
stats = virt_inspector.DiskStats(
read_requests=0,
# Return bytes
read_bytes=disk_metrics['read_mb'] * units.Mi,
write_requests=0,
write_bytes=disk_metrics['write_mb'] * units.Mi,
errors=0)
yield (disk, stats)
def get_samples(self, manager, cache, instance):
instance_name = util.instance_name(instance)
try:
c_data = self._populate_cache(
manager.inspector,
cache,
instance,
instance_name,
)
yield self._get_sample(instance, c_data)
except Exception as err:
LOG.warning('Ignoring instance %s: %s', instance_name, err)
LOG.exception(err)
def inspect_cpu_util(self, instance, duration=None):
instance_name = util.instance_name(instance)
vm_ref = self._lookup_by_name(instance_name)
vcpus_number = int(self._call_xenapi("VM.get_VCPUs_max", vm_ref))
if vcpus_number <= 0:
msg = _("Could not get VM %s CPU number") % instance_name
raise XenapiException(msg)
utils = 0.0
for index in range(vcpus_number):
utils += float(self._call_xenapi("VM.query_data_source",
vm_ref,
"cpu%d" % index))
utils = utils / int(vcpus_number) * 100
return virt_inspector.CPUUtilStats(util=utils)
def get_counters(self, manager, cache, instance):
instance_name = util.instance_name(instance)
c_data = self._populate_cache(
manager.inspector,
cache,
instance,
instance_name,
)
try:
yield self._get_counter(instance, c_data)
except Exception as err:
LOG.warning('Ignoring instance %s: %s',
instance_name, err)
LOG.exception(err)
def inspect_cpu_util(self, instance, duration=None):
instance_name = util.instance_name(instance)
vm_ref = self._lookup_by_name(instance_name)
metrics_ref = self._call_xenapi("VM.get_metrics", vm_ref)
metrics_rec = self._call_xenapi("VM_metrics.get_record", metrics_ref)
vcpus_number = metrics_rec["VCPUs_number"]
vcpus_utils = metrics_rec["VCPUs_utilisation"]
if len(vcpus_utils) == 0:
msg = _("Could not get VM %s CPU Utilization") % instance_name
raise XenapiException(msg)
utils = 0.0
for num in range(int(vcpus_number)):
utils += vcpus_utils.get(str(num))
utils = utils / int(vcpus_number) * 100
return virt_inspector.CPUUtilStats(util=utils)
def inspect_vnics(self, instance, duration):
instance_name = util.instance_name(instance)
for vnic_metrics in self._utils.get_vnic_metrics(instance_name):
yield virt_inspector.InterfaceStats(
name=vnic_metrics["element_name"],
mac=vnic_metrics["address"],
fref=None,
parameters=None,
rx_bytes=vnic_metrics['rx_mb'] * units.Mi,
rx_packets=0,
rx_drop=0,
rx_errors=0,
tx_bytes=vnic_metrics['tx_mb'] * units.Mi,
tx_packets=0,
tx_drop=0,
tx_errors=0)
def get_samples(self, manager, cache, instance):
instance_name = util.instance_name(instance)
LOG.info('checking instance %s', instance.id)
try:
vnics = self._get_vnics_for_instance(
cache,
manager.inspector,
instance_name,
)
for vnic, info in vnics:
LOG.info(self.NET_USAGE_MESSAGE, instance_name,
vnic.name, info.rx_bytes, info.tx_bytes)
yield self._get_sample(instance, vnic, info)
except Exception as err:
LOG.warning('Ignoring instance %s: %s',
instance_name, err)
LOG.exception(err)
