def _get_metadata_from_object(conf, instance):
"""Return a metadata dictionary for the instance."""
instance_type = instance.flavor['name'] if instance.flavor else None
metadata = {
'display_name': instance.name,
'name': getattr(instance, 'OS-EXT-SRV-ATTR:instance_name', u''),
'instance_id': instance.id,
'instance_type': instance_type,
'host': instance.hostId,
'instance_host': getattr(instance, 'OS-EXT-SRV-ATTR:host', u''),
'flavor': instance.flavor,
'status': instance.status.lower(),
'state': getattr(instance, 'OS-EXT-STS:vm_state', u''),
'task_state': getattr(instance, 'OS-EXT-STS:task_state', u''),
}
# Image properties
if instance.image:
metadata['image'] = instance.image
metadata['image_ref'] = instance.image['id']
# Images that come through the conductor API in the nova notifier
# plugin will not have links.
if instance.image.get('links'):
metadata['image_ref_url'] = instance.image['links'][0]['href']
else:
metadata['image_ref_url'] = None
else:
metadata['image'] = None
metadata['image_ref'] = None
metadata['image_ref_url'] = None
for name in INSTANCE_PROPERTIES:
if hasattr(instance, name):
metadata[name] = getattr(instance, name)
metadata['vcpus'] = instance.flavor['vcpus']
metadata['memory_mb'] = instance.flavor['ram']
metadata['disk_gb'] = instance.flavor['disk']
metadata['ephemeral_gb'] = instance.flavor['ephemeral']
metadata['root_gb'] = (int(metadata['disk_gb']) -
int(metadata['ephemeral_gb']))
return sample.add_reserved_user_metadata(conf, instance.metadata,
metadata)
def _get_metadata_from_object(conf, instance):
"""Return a metadata dictionary for the instance."""
instance_type = instance.flavor['name'] if instance.flavor else None
metadata = {
'display_name': instance.name,
'name': getattr(instance, 'OS-EXT-SRV-ATTR:instance_name', u''),
'instance_id': instance.id,
'instance_type': instance_type,
'host': instance.hostId,
'instance_host': getattr(instance, 'OS-EXT-SRV-ATTR:host', u''),
'flavor': instance.flavor,
'status': instance.status.lower(),
'state': getattr(instance, 'OS-EXT-STS:vm_state', u''),
'task_state': getattr(instance, 'OS-EXT-STS:task_state', u''),
}
# Image properties
if instance.image:
metadata['image'] = instance.image
metadata['image_ref'] = instance.image['id']
# Images that come through the conductor API in the nova notifier
# plugin will not have links.
if instance.image.get('links'):
metadata['image_ref_url'] = instance.image['links'][0]['href']
else:
metadata['image_ref_url'] = None
else:
metadata['image'] = None
metadata['image_ref'] = None
metadata['image_ref_url'] = None
for name in INSTANCE_PROPERTIES:
if hasattr(instance, name):
metadata[name] = getattr(instance, name)
metadata['vcpus'] = instance.flavor['vcpus']
metadata['memory_mb'] = instance.flavor['ram']
metadata['disk_gb'] = instance.flavor['disk']
metadata['ephemeral_gb'] = instance.flavor['ephemeral']
metadata['root_gb'] = (int(metadata['disk_gb']) -
int(metadata['ephemeral_gb']))
return sample.add_reserved_user_metadata(conf, instance.metadata, metadata)
def to_samples(self, message, all_values=False):
# Sample defaults
sample = {
'name': self.cfg["name"],
'type': self.cfg["type"],
'unit': self.cfg["unit"],
'volume': None,
'timestamp': None,
'user_id': self._fallback_user_id.parse(message),
'project_id': self._fallback_project_id.parse(message),
'resource_id': None,
'message': message,
'metadata': {},
}
for name, parser in self._metadata_attributes.items():
value = parser.parse(message)
if value:
sample['metadata'][name] = value
if self._user_meta:
meta = self._user_meta.parse(message)
if meta:
sample_util.add_reserved_user_metadata(self.conf, meta,
sample['metadata'])
# NOTE(sileht): We expect multiple samples in the payload
# so put each attribute into a list
if self.lookup:
for name in sample:
sample[name] = [sample[name]]
for name in self.SAMPLE_ATTRIBUTES:
parser = self._attributes.get(name)
if parser is not None:
value = parser.parse(message, bool(self.lookup))
# NOTE(sileht): If we expect multiple samples
# some attributes are overridden even we don't get any
# result. Also note in this case value is always a list
if ((not self.lookup and value is not None)
or (self.lookup and
((name in self.lookup + ["name"]) or value))):
sample[name] = value
if self.lookup:
nb_samples = len(sample['name'])
# skip if no meters in payload
if nb_samples <= 0:
raise StopIteration
attributes = self.SAMPLE_ATTRIBUTES + ["message", "metadata"]
samples_values = []
for name in attributes:
values = sample.get(name)
nb_values = len(values)
if nb_values == nb_samples:
samples_values.append(values)
elif nb_values == 1 and name not in self.lookup:
samples_values.append(itertools.cycle(values))
else:
nb = (0 if nb_values == 1 and values[0] is None else
nb_values)
LOG.warning('Only %(nb)d fetched meters contain '
'"%(name)s" field instead of %(total)d.' %
dict(name=name, nb=nb, total=nb_samples))
raise StopIteration
# NOTE(sileht): Transform the sample with multiple values per
# attribute into multiple samples with one value per attribute.
for values in zip(*samples_values):
yield dict((attributes[idx], value)
for idx, value in enumerate(values))
else:
yield sample
def to_samples(self, message, all_values=False):
# Sample defaults
sample = {
'name': self.cfg["name"], 'type': self.cfg["type"],
'unit': self.cfg["unit"], 'volume': None, 'timestamp': None,
'user_id': self._fallback_user_id.parse(message),
'project_id': self._fallback_project_id.parse(message),
'resource_id': None, 'message': message, 'metadata': {},
}
for name, parser in self._metadata_attributes.items():
value = parser.parse(message)
if value:
sample['metadata'][name] = value
if self._user_meta:
meta = self._user_meta.parse(message)
if meta:
sample_util.add_reserved_user_metadata(
self.conf, meta, sample['metadata'])
# NOTE(sileht): We expect multiple samples in the payload
# so put each attribute into a list
if self.lookup:
for name in sample:
sample[name] = [sample[name]]
for name in self.SAMPLE_ATTRIBUTES:
parser = self._attributes.get(name)
if parser is not None:
value = parser.parse(message, bool(self.lookup))
# NOTE(sileht): If we expect multiple samples
# some attributes are overridden even we don't get any
# result. Also note in this case value is always a list
if ((not self.lookup and value is not None) or
(self.lookup and ((name in self.lookup + ["name"])
or value))):
sample[name] = value
if self.lookup:
nb_samples = len(sample['name'])
# skip if no meters in payload
if nb_samples <= 0:
raise StopIteration
attributes = self.SAMPLE_ATTRIBUTES + ["message", "metadata"]
samples_values = []
for name in attributes:
values = sample.get(name)
nb_values = len(values)
if nb_values == nb_samples:
samples_values.append(values)
elif nb_values == 1 and name not in self.lookup:
samples_values.append(itertools.cycle(values))
else:
nb = (0 if nb_values == 1 and values[0] is None
else nb_values)
LOG.warning('Only %(nb)d fetched meters contain '
'"%(name)s" field instead of %(total)d.' %
dict(name=name, nb=nb,
total=nb_samples))
raise StopIteration
# NOTE(sileht): Transform the sample with multiple values per
# attribute into multiple samples with one value per attribute.
for values in zip(*samples_values):
yield dict((attributes[idx], value)
for idx, value in enumerate(values))
else:
yield sample
