def get_samples(self, event_filter):
"""Return an iterable of api_models.Samples
"""
query = self.session.query(Meter)
query = make_query_from_filter(query,
event_filter,
require_meter=False)
samples = query.all()
for s in samples:
# Remove the id generated by the database when
# the event was inserted. It is an implementation
# detail that should not leak outside of the driver.
yield api_models.Sample(
# Replace 'sources' with 'source' to meet the caller's
# expectation, Meter.sources contains one and only one
# source in the current implementation.
source=s.sources[0].id,
counter_name=s.counter_name,
counter_type=s.counter_type,
counter_unit=s.counter_unit,
counter_volume=s.counter_volume,
user_id=s.user_id,
project_id=s.project_id,
resource_id=s.resource_id,
timestamp=s.timestamp,
resource_metadata=s.resource_metadata,
message_id=s.message_id,
message_signature=s.message_signature,
)
def _retrieve_samples(self, query, orderby, limit):
if limit is not None:
samples = self.db.meter.find(query,
limit=limit,
sort=orderby)
else:
samples = self.db.meter.find(query,
sort=orderby)
for s in samples:
# Remove the ObjectId generated by the database when
# the sample was inserted. It is an implementation
# detail that should not leak outside of the driver.
del s['_id']
# Backward compatibility for samples without units
s['counter_unit'] = s.get('counter_unit', '')
# Compatibility with MongoDB 3.+
s['counter_volume'] = float(s.get('counter_volume'))
# Tolerate absence of recorded_at in older datapoints
s['recorded_at'] = s.get('recorded_at')
# Check samples for metadata and "unquote" key if initially it
# was started with '$'.
if s.get('resource_metadata'):
s['resource_metadata'] = pymongo_utils.unquote_keys(
s.get('resource_metadata'))
yield models.Sample(**s)
def get_samples(self, sample_filter, limit=None):
"""Return an iterable of model.Sample instances.
:param sample_filter: Filter.
:param limit: Maximum number of results to return.
"""
if limit == 0:
return
q = make_query_from_filter(sample_filter, require_meter=False)
if limit:
samples = self.db.meter.find(q,
limit=limit,
sort=[("timestamp",
pymongo.DESCENDING)])
else:
samples = self.db.meter.find(q,
sort=[("timestamp",
pymongo.DESCENDING)])
for s in samples:
# Remove the ObjectId generated by the database when
# the sample was inserted. It is an implementation
# detail that should not leak outside of the driver.
del s['_id']
# Backward compatibility for samples without units
s['counter_unit'] = s.get('counter_unit', '')
yield models.Sample(**s)
def _retrieve_samples(self, query):
samples = query.all()
for s in samples:
# Remove the id generated by the database when
# the sample was inserted. It is an implementation
# detail that should not leak outside of the driver.
yield api_models.Sample(
# Replace 'sources' with 'source' to meet the caller's
# expectation, Meter.sources contains one and only one
# source in the current implementation.
source=s.sources[0].id,
counter_name=s.counter_name,
counter_type=s.counter_type,
counter_unit=s.counter_unit,
counter_volume=s.counter_volume,
user_id=s.user_id,
project_id=s.project_id,
resource_id=s.resource_id,
timestamp=s.timestamp,
recorded_at=s.recorded_at,
resource_metadata=s.resource_metadata,
message_id=s.message_id,
message_signature=s.message_signature,
)
def get_samples(self, sample_filter, limit=None):
"""Return an iterable of models.Sample instances.
:param sample_filter: Filter.
:param limit: Maximum number of results to return.
"""
if limit == 0:
return
with self.conn_pool.connection() as conn:
meter_table = conn.table(self.METER_TABLE)
q, start, stop, columns = (
hbase_utils.make_sample_query_from_filter(sample_filter,
require_meter=False))
LOG.debug("Query Meter Table: %s", q)
gen = meter_table.scan(filter=q,
row_start=start,
row_stop=stop,
limit=limit,
columns=columns)
for ignored, meter in gen:
d_meter = hbase_utils.deserialize_entry(meter)[0]
d_meter['message']['counter_volume'] = (float(
d_meter['message']['counter_volume']))
d_meter['message']['recorded_at'] = d_meter['recorded_at']
yield models.Sample(**d_meter['message'])
def get_samples(self, event_filter):
"""Return an iterable of models.Sample instances
"""
q, start, stop = make_query_from_filter(event_filter,
require_meter=False)
LOG.debug("q: %s" % q)
gen = self.meter.scan(filter=q, row_start=start, row_stop=stop)
for ignored, meter in gen:
meter = json.loads(meter['f:message'])
meter['timestamp'] = timeutils.parse_strtime(meter['timestamp'])
yield models.Sample(**meter)
def get_samples(self, sample_filter):
"""Return an iterable of samples as created by
:func:`ceilometer.meter.meter_message_from_counter`.
"""
q = make_query_from_filter(sample_filter, require_meter=False)
samples = self.db.meter.find(q)
for s in samples:
# Remove the ObjectId generated by the database when
# the sample was inserted. It is an implementation
# detail that should not leak outside of the driver.
del s['_id']
yield models.Sample(**s)
def test_query_samples_timestamp_gt_lt(self):
SAMPLES = [[
storage_models.Sample(
counter_name="instance",
counter_type="gauge",
counter_unit="instance",
counter_volume=1,
project_id="123",
user_id="456",
resource_id="789",
resource_metadata={},
source="openstack",
recorded_at=timeutils.utcnow(),
timestamp=timeutils.utcnow(),
message_id="0",
message_signature='',
)
]] * 2
samples = SAMPLES[:]
def _get_samples(*args, **kwargs):
return samples.pop()
with mock.patch("ceilometer.monasca_client.Client"):
conn = impl_monasca.Connection("127.0.0.1:8080")
with mock.patch.object(conn, 'get_samples') as gsm:
gsm.side_effect = _get_samples
start = datetime.datetime(2014, 10, 24, 13, 52, 42)
end = datetime.datetime(2014, 10, 24, 14, 52, 42)
ts_query = {
'or': [{
'>': {
"timestamp": start
}
}, {
'<': {
"timestamp": end
}
}]
}
query = {
'and': [{
'=': {
'counter_name': 'instance'
}
}, ts_query]
}
samples = conn.query_samples(query, None, 100)
self.assertEqual(2, len(samples))
self.assertEqual(2, gsm.call_count)
def _retrieve_samples(self, query, orderby, limit):
if limit is not None:
samples = self.db.meter.find(query, limit=limit, sort=orderby)
else:
samples = self.db.meter.find(query, sort=orderby)
for s in samples:
# Remove the ObjectId generated by the database when
# the sample was inserted. It is an implementation
# detail that should not leak outside of the driver.
del s['_id']
# Backward compatibility for samples without units
s['counter_unit'] = s.get('counter_unit', '')
yield models.Sample(**s)
def get_samples(self, sample_filter, limit=None):
"""Return an iterable of model.Sample instances.
:param sample_filter: Filter.
:param limit: Maximum number of results to return.
"""
if limit == 0:
return
q = make_query_from_filter(sample_filter, require_meter=False)
samples = self.db.meter.find(q).limit(limit or 0)
for s in samples:
# Remove the ObjectId generated by the database when
# the sample was inserted. It is an implementation
# detail that should not leak outside of the driver.
del s['_id']
yield models.Sample(**s)
def point_to_sample(point):
"""Transform the point to a Sample object."""
return models.Sample(
point.get("source"),
point["meter"],
point.get("type"),
point.get("unit", ""),
float(point["value"]),
point.get("user_id"),
point.get("project_id"),
point.get("resource_id"),
utils.sanitize_timestamp(point["timestamp"]),
transform_metadata(point),
point.get("message_id"),
point.get("message_signature"),
recorded_at=(utils.sanitize_timestamp(point['recorded_at'])
if "recorded_at" in point else None))
def get_samples(sample_filter, limit=None):
"""Return an iterable of api_models.Samples.
:param sample_filter: Filter.
:param limit: Maximum number of results to return.
"""
if limit == 0:
return
session = sqlalchemy_session.get_session()
query = session.query(models.Meter)
query = make_query_from_filter(session,
query,
sample_filter,
require_meter=False)
if limit:
query = query.limit(limit)
samples = query.from_self()\
.order_by(desc(models.Meter.timestamp)).all()
for s in samples:
# Remove the id generated by the database when
# the sample was inserted. It is an implementation
# detail that should not leak outside of the driver.
yield api_models.Sample(
# Replace 'sources' with 'source' to meet the caller's
# expectation, Meter.sources contains one and only one
# source in the current implementation.
source=s.sources[0].id,
counter_name=s.counter_name,
counter_type=s.counter_type,
counter_unit=s.counter_unit,
counter_volume=s.counter_volume,
user_id=s.user_id,
project_id=s.project_id,
resource_id=s.resource_id,
timestamp=s.timestamp,
resource_metadata=s.resource_metadata,
message_id=s.message_id,
message_signature=s.message_signature,
)
def _retrieve_samples(query):
samples = query.all()
for s in samples:
# Remove the id generated by the database when
# the sample was inserted. It is an implementation
# detail that should not leak outside of the driver.
yield api_models.Sample(
source=s.source_id,
counter_name=s.counter_name,
counter_type=s.counter_type,
counter_unit=s.counter_unit,
counter_volume=s.counter_volume,
user_id=s.user_id,
project_id=s.project_id,
resource_id=s.resource_id,
timestamp=s.timestamp,
recorded_at=s.recorded_at,
resource_metadata=s.resource_metadata,
message_id=s.message_id,
message_signature=s.message_signature,
)
def get_samples(self, sample_filter, limit=None):
"""Return an iterable of models.Sample instances.
:param sample_filter: Filter.
:param limit: Maximum number of results to return.
"""
with self.conn_pool.connection() as conn:
meter_table = conn.table(self.METER_TABLE)
q, start, stop = make_sample_query_from_filter(sample_filter,
require_meter=False)
LOG.debug(_("Query Meter Table: %s") % q)
gen = meter_table.scan(filter=q, row_start=start, row_stop=stop)
for ignored, meter in gen:
if limit is not None:
if limit == 0:
break
else:
limit -= 1
d_meter = deserialize_entry(meter)[0]
d_meter['message']['recorded_at'] = d_meter['recorded_at']
yield models.Sample(**d_meter['message'])
def test_query_samples(self, mdf_mock):
SAMPLES = [[
storage_models.Sample(
counter_name="instance",
counter_type="gauge",
counter_unit="instance",
counter_volume=1,
project_id="123",
user_id="456",
resource_id="789",
resource_metadata={},
source="openstack",
recorded_at=timeutils.utcnow(),
timestamp=timeutils.utcnow(),
message_id="0",
message_signature='',)
]] * 2
samples = SAMPLES[:]
def _get_samples(*args, **kwargs):
return samples.pop()
with mock.patch("ceilometer.monasca_client.Client"):
conn = impl_monasca.Connection("127.0.0.1:8080")
with mock.patch.object(conn, 'get_samples') as gsm:
gsm.side_effect = _get_samples
query = {'or': [{'=': {"project_id": "123"}},
{'=': {"user_id": "456"}}]}
samples = conn.query_samples(query, None, 100)
self.assertEqual(2, len(samples))
self.assertEqual(2, gsm.call_count)
samples = SAMPLES[:]
query = {'and': [{'=': {"project_id": "123"}},
{'>': {"counter_volume": 2}}]}
samples = conn.query_samples(query, None, 100)
self.assertEqual(0, len(samples))
self.assertEqual(3, gsm.call_count)
def make_sample(data):
"""Transform HBase fields to Sample model."""
data = json.loads(data['f:message'])
data['timestamp'] = timeutils.parse_strtime(data['timestamp'])
return models.Sample(**data)
def get_samples(self, sample_filter, limit=None):
"""Return an iterable of dictionaries containing sample information.
{
'source': source of the resource,
'counter_name': name of the resource,
'counter_type': type of the sample (gauge, delta, cumulative),
'counter_unit': unit of the sample,
'counter_volume': volume of the sample,
'user_id': UUID of user owning the resource,
'project_id': UUID of project owning the resource,
'resource_id': UUID of the resource,
'timestamp': timestamp of the sample,
'resource_metadata': metadata of the sample,
'message_id': message ID of the sample,
'message_signature': message signature of the sample,
'recorded_at': time the sample was recorded
}
:param sample_filter: constraints for the sample search.
:param limit: Maximum number of results to return.
"""
if not sample_filter or not sample_filter.meter:
raise ceilometer.NotImplementedError(
"Supply meter name at the least")
if (sample_filter.start_timestamp_op
and sample_filter.start_timestamp_op != 'ge'):
raise ceilometer.NotImplementedError(
('Start time op %s '
'not implemented') % sample_filter.start_timestamp_op)
if (sample_filter.end_timestamp_op
and sample_filter.end_timestamp_op != 'le'):
raise ceilometer.NotImplementedError(
('End time op %s '
'not implemented') % sample_filter.end_timestamp_op)
q = {}
if sample_filter.metaquery:
q = self._convert_metaquery(sample_filter.metaquery)
if sample_filter.message_id:
raise ceilometer.NotImplementedError('message_id not '
'implemented '
'in get_samples')
if not sample_filter.start_timestamp:
sample_filter.start_timestamp = \
timeutils.isotime(datetime.datetime(1970, 1, 1))
else:
sample_filter.start_timestamp = \
timeutils.isotime(sample_filter.start_timestamp)
if sample_filter.end_timestamp:
sample_filter.end_timestamp = \
timeutils.isotime(sample_filter.end_timestamp)
_dimensions = dict(user_id=sample_filter.user,
project_id=sample_filter.project,
resource_id=sample_filter.resource,
source=sample_filter.source)
_dimensions = {k: v for k, v in _dimensions.items() if v is not None}
_search_args = dict(
name=sample_filter.meter,
start_time=sample_filter.start_timestamp,
start_timestamp_op=(sample_filter.start_timestamp_op),
end_time=sample_filter.end_timestamp,
end_timestamp_op=sample_filter.end_timestamp_op,
limit=limit,
merge_metrics=True,
dimensions=_dimensions)
_search_args = {k: v for k, v in _search_args.items() if v is not None}
for sample in self.mc.measurements_list(**_search_args):
LOG.debug(_('Retrieved sample: %s'), sample)
d = sample['dimensions']
for measurement in sample['measurements']:
meas_dict = self._convert_to_dict(measurement,
sample['columns'])
vm = meas_dict['value_meta']
if not self._match_metaquery_to_value_meta(q, vm):
continue
yield api_models.Sample(
source=d.get('source'),
counter_name=sample['name'],
counter_type=d.get('type'),
counter_unit=d.get('unit'),
counter_volume=meas_dict['value'],
user_id=d.get('user_id'),
project_id=d.get('project_id'),
resource_id=d.get('resource_id'),
timestamp=timeutils.parse_isotime(meas_dict['timestamp']),
resource_metadata=meas_dict['value_meta'],
message_id=sample['id'],
message_signature='',
recorded_at=(timeutils.parse_isotime(
meas_dict['timestamp'])))
def get_samples(self, sample_filter, limit=None):
"""Return an iterable of dictionaries containing sample information.
{
'source': source of the resource,
'counter_name': name of the resource,if groupby:
raise ceilometer.NotImplementedError('Groupby not implemented')
'counter_type': type of the sample (gauge, delta, cumulative),
'counter_unit': unit of the sample,
'counter_volume': volume of the sample,
'user_id': UUID of user owning the resource,
'project_id': UUID of project owning the resource,
'resource_id': UUID of the resource,
'timestamp': timestamp of the sample,
'resource_metadata': metadata of the sample,
'message_id': message ID of the sample,
'message_signature': message signature of the sample,
'recorded_at': time the sample was recorded
}
:param sample_filter: constraints for the sample search.
:param limit: Maximum number of results to return.
"""
if limit == 0:
return
if not sample_filter or not sample_filter.meter:
raise ceilometer.NotImplementedError(
"Supply meter name at the least")
if (sample_filter.start_timestamp_op and
sample_filter.start_timestamp_op != 'ge'):
raise ceilometer.NotImplementedError(('Start time op %s '
'not implemented') %
sample_filter.
start_timestamp_op)
if (sample_filter.end_timestamp_op and
sample_filter.end_timestamp_op != 'le'):
raise ceilometer.NotImplementedError(('End time op %s '
'not implemented') %
sample_filter.
end_timestamp_op)
q = {}
if sample_filter.metaquery:
q = self._convert_metaquery(sample_filter.metaquery)
if sample_filter.message_id:
raise ceilometer.NotImplementedError('message_id not '
'implemented '
'in get_samples')
if not sample_filter.start_timestamp:
sample_filter.start_timestamp = datetime.datetime(1970, 1, 1)
if not sample_filter.end_timestamp:
sample_filter.end_timestamp = datetime.datetime.utcnow()
_dimensions = dict(
user_id=sample_filter.user,
project_id=sample_filter.project,
resource_id=sample_filter.resource,
source=sample_filter.source,
# Dynamic sample filter attributes, these fields are useful for
# filtering result.
unit=getattr(sample_filter, 'unit', None),
type=getattr(sample_filter, 'type', None),
)
_dimensions = {k: v for k, v in _dimensions.items() if v is not None}
_metric_args = dict(name=sample_filter.meter,
dimensions=_dimensions)
start_ts = timeutils.isotime(sample_filter.start_timestamp)
end_ts = timeutils.isotime(sample_filter.end_timestamp)
_search_args = dict(
start_time=start_ts,
start_timestamp_op=sample_filter.start_timestamp_op,
end_time=end_ts,
end_timestamp_op=sample_filter.end_timestamp_op,
merge_metrics=False
)
result_count = 0
for metric in self.mc.metrics_list(
**_metric_args):
_search_args['name'] = metric['name']
_search_args['dimensions'] = metric['dimensions']
_search_args = {k: v for k, v in _search_args.items()
if v is not None}
for sample in self.mc.measurements_list(**_search_args):
d = sample['dimensions']
for meas in sample['measurements']:
m = self._convert_to_dict(
meas, sample['columns'])
vm = m['value_meta']
if not self._match_metaquery_to_value_meta(q, vm):
continue
result_count += 1
yield api_models.Sample(
source=d.get('source'),
counter_name=sample['name'],
counter_type=d.get('type'),
counter_unit=d.get('unit'),
counter_volume=m['value'],
user_id=d.get('user_id'),
project_id=d.get('project_id'),
resource_id=d.get('resource_id'),
timestamp=timeutils.parse_isotime(m['timestamp']),
resource_metadata=m['value_meta'],
message_id=sample['id'],
message_signature='',
recorded_at=(timeutils.parse_isotime(m['timestamp'])))
if result_count == limit:
return
