def test_iter_period_bis(self):
times = list(base.iter_period(
datetime.datetime(2013, 01, 02, 13, 00),
datetime.datetime(2013, 01, 02, 14, 00),
55))
self.assertEqual(len(times), math.ceil(3600 / 55.0))
self.assertEqual(times[10],
(datetime.datetime(2013, 01, 02, 13, 9, 10),
datetime.datetime(2013, 01, 02, 13, 10, 5)))
self.assertEqual(times[21],
(datetime.datetime(2013, 01, 02, 13, 19, 15),
datetime.datetime(2013, 01, 02, 13, 20, 10)))
def test_iter_period(self):
times = list(base.iter_period(
datetime.datetime(2013, 01, 01, 12, 00),
datetime.datetime(2013, 01, 01, 13, 00),
60))
self.assertEqual(len(times), 60)
self.assertEqual(times[10],
(datetime.datetime(2013, 01, 01, 12, 10),
datetime.datetime(2013, 01, 01, 12, 11)))
self.assertEqual(times[21],
(datetime.datetime(2013, 01, 01, 12, 21),
datetime.datetime(2013, 01, 01, 12, 22)))
def get_meter_statistics(self, event_filter, period=None):
"""Return an iterable of api_models.Statistics instances containing
meter statistics described by the query parameters.
The filter must have a meter value set.
"""
if not period or not event_filter.start or not event_filter.end:
res = self._make_stats_query(event_filter).all()[0]
if not period:
yield self._stats_result_to_model(res, 0, res.tsmin, res.tsmax)
return
query = self._make_stats_query(event_filter)
# HACK(jd) This is an awful method to compute stats by period, but
# since we're trying to be SQL agnostic we have to write portable
# code, so here it is, admire! We're going to do one request to get
# stats by period. We would like to use GROUP BY, but there's no
# portable way to manipulate timestamp in SQL, so we can't.
for period_start, period_end in base.iter_period(
event_filter.start or res.tsmin, event_filter.end or res.tsmax,
period):
q = query.filter(Meter.timestamp >= period_start)
q = q.filter(Meter.timestamp < period_end)
r = q.all()[0]
# Don't return results that didn't have any event
if r.count:
yield self._stats_result_to_model(
result=r,
period=int(
timeutils.delta_seconds(period_start, period_end)),
period_start=period_start,
period_end=period_end,
)
def get_meter_statistics(self, sample_filter, period=None):
"""Return an iterable of api_models.Statistics instances containing
meter statistics described by the query parameters.
The filter must have a meter value set.
"""
if not period or not sample_filter.start or not sample_filter.end:
res = self._make_stats_query(sample_filter).all()[0]
if not period:
yield self._stats_result_to_model(res, 0, res.tsmin, res.tsmax)
return
query = self._make_stats_query(sample_filter)
# HACK(jd) This is an awful method to compute stats by period, but
# since we're trying to be SQL agnostic we have to write portable
# code, so here it is, admire! We're going to do one request to get
# stats by period. We would like to use GROUP BY, but there's no
# portable way to manipulate timestamp in SQL, so we can't.
for period_start, period_end in base.iter_period(
sample_filter.start or res.tsmin, sample_filter.end or res.tsmax, period
):
q = query.filter(Meter.timestamp >= period_start)
q = q.filter(Meter.timestamp < period_end)
r = q.all()[0]
# Don't return results that didn't have any data.
if r.count:
yield self._stats_result_to_model(
result=r,
period=int(timeutils.delta_seconds(period_start, period_end)),
period_start=period_start,
period_end=period_end,
)
def get_meter_statistics(self,
sample_filter,
period=None,
groupby=None,
aggregate=None):
"""Return an iterable of api_models.Statistics instances.
Items are containing meter statistics described by the query
parameters. The filter must have a meter value set.
"""
if groupby:
for group in groupby:
if group not in [
'user_id', 'project_id', 'resource_id',
'resource_metadata.instance_type'
]:
raise ceilometer.NotImplementedError('Unable to group by '
'these fields')
if not period:
for res in self._make_stats_query(sample_filter, groupby,
aggregate):
if res.count:
yield self._stats_result_to_model(res, 0, res.tsmin,
res.tsmax, groupby,
aggregate)
return
if not (sample_filter.start_timestamp and sample_filter.end_timestamp):
res = self._make_stats_query(sample_filter, None,
aggregate).first()
if not res:
# NOTE(liusheng):The 'res' may be NoneType, because no
# sample has found with sample filter(s).
return
query = self._make_stats_query(sample_filter, groupby, aggregate)
# HACK(jd) This is an awful method to compute stats by period, but
# since we're trying to be SQL agnostic we have to write portable
# code, so here it is, admire! We're going to do one request to get
# stats by period. We would like to use GROUP BY, but there's no
# portable way to manipulate timestamp in SQL, so we can't.
for period_start, period_end in base.iter_period(
sample_filter.start_timestamp or res.tsmin,
sample_filter.end_timestamp or res.tsmax, period):
q = query.filter(models.Sample.timestamp >= period_start)
q = q.filter(models.Sample.timestamp < period_end)
for r in q.all():
if r.count:
yield self._stats_result_to_model(
result=r,
period=int(
timeutils.delta_seconds(period_start, period_end)),
period_start=period_start,
period_end=period_end,
groupby=groupby,
aggregate=aggregate)
def get_meter_statistics(self, sample_filter, period=None, groupby=None,
aggregate=None):
"""Return an iterable of api_models.Statistics instances.
Items are containing meter statistics described by the query
parameters. The filter must have a meter value set.
"""
if groupby:
for group in groupby:
if group not in ['user_id', 'project_id', 'resource_id',
'resource_metadata.instance_type']:
raise ceilometer.NotImplementedError('Unable to group by '
'these fields')
if not period:
for res in self._make_stats_query(sample_filter,
groupby,
aggregate):
if res.count:
yield self._stats_result_to_model(res, 0,
res.tsmin, res.tsmax,
groupby,
aggregate)
return
if not (sample_filter.start_timestamp and sample_filter.end_timestamp):
res = self._make_stats_query(sample_filter,
None,
aggregate).first()
if not res:
# NOTE(liusheng):The 'res' may be NoneType, because no
# sample has found with sample filter(s).
return
query = self._make_stats_query(sample_filter, groupby, aggregate)
# HACK(jd) This is an awful method to compute stats by period, but
# since we're trying to be SQL agnostic we have to write portable
# code, so here it is, admire! We're going to do one request to get
# stats by period. We would like to use GROUP BY, but there's no
# portable way to manipulate timestamp in SQL, so we can't.
for period_start, period_end in base.iter_period(
sample_filter.start_timestamp or res.tsmin,
sample_filter.end_timestamp or res.tsmax,
period):
q = query.filter(models.Sample.timestamp >= period_start)
q = q.filter(models.Sample.timestamp < period_end)
for r in q.all():
if r.count:
yield self._stats_result_to_model(
result=r,
period=int(timeutils.delta_seconds(period_start,
period_end)),
period_start=period_start,
period_end=period_end,
groupby=groupby,
aggregate=aggregate
)
def test_iter_period(self):
times = list(
base.iter_period(datetime.datetime(2013, 1, 1, 12, 0),
datetime.datetime(2013, 1, 1, 13, 0), 60))
self.assertEqual(len(times), 60)
self.assertEqual(times[10], (datetime.datetime(
2013, 1, 1, 12, 10), datetime.datetime(2013, 1, 1, 12, 11)))
self.assertEqual(times[21], (datetime.datetime(
2013, 1, 1, 12, 21), datetime.datetime(2013, 1, 1, 12, 22)))
def test_iter_period_bis(self):
times = list(
base.iter_period(datetime.datetime(2013, 1, 2, 13, 0),
datetime.datetime(2013, 1, 2, 14, 0), 55))
self.assertEqual(len(times), math.ceil(3600 / 55.0))
self.assertEqual(times[10], (datetime.datetime(
2013, 1, 2, 13, 9, 10), datetime.datetime(2013, 1, 2, 13, 10, 5)))
self.assertEqual(times[21],
(datetime.datetime(2013, 1, 2, 13, 19, 15),
datetime.datetime(2013, 1, 2, 13, 20, 10)))
def test_iter_period(self):
times = list(base.iter_period(
datetime.datetime(2013, 1, 1, 12, 0),
datetime.datetime(2013, 1, 1, 13, 0),
60))
self.assertEqual(60, len(times))
self.assertEqual((datetime.datetime(2013, 1, 1, 12, 10),
datetime.datetime(2013, 1, 1, 12, 11)), times[10])
self.assertEqual((datetime.datetime(2013, 1, 1, 12, 21),
datetime.datetime(2013, 1, 1, 12, 22)), times[21])
def test_iter_period_bis(self):
times = list(base.iter_period(
datetime.datetime(2013, 1, 2, 13, 0),
datetime.datetime(2013, 1, 2, 14, 0),
55))
self.assertEqual(math.ceil(3600 / 55.0), len(times))
self.assertEqual((datetime.datetime(2013, 1, 2, 13, 9, 10),
datetime.datetime(2013, 1, 2, 13, 10, 5)),
times[10])
self.assertEqual((datetime.datetime(2013, 1, 2, 13, 19, 15),
datetime.datetime(2013, 1, 2, 13, 20, 10)),
times[21])
def get_meter_statistics(self, event_filter, period=None):
"""Return a dictionary containing meter statistics.
described by the query parameters.
The filter must have a meter value set.
{ 'min':
'max':
'avg':
'sum':
'count':
'period':
'period_start':
'period_end':
'duration':
'duration_start':
'duration_end':
}
"""
if not period or not event_filter.start or not event_filter.end:
res = self._make_stats_query(event_filter).all()[0]
if not period:
return [self._stats_result_to_dict(res, 0, res.tsmin, res.tsmax)]
query = self._make_stats_query(event_filter)
# HACK(jd) This is an awful method to compute stats by period, but
# since we're trying to be SQL agnostic we have to write portable
# code, so here it is, admire! We're going to do one request to get
# stats by period. We would like to use GROUP BY, but there's no
# portable way to manipulate timestamp in SQL, so we can't.
results = []
for period_start, period_end in base.iter_period(
event_filter.start or res.tsmin,
event_filter.end or res.tsmax,
period):
q = query.filter(Meter.timestamp >= period_start)
q = q.filter(Meter.timestamp < period_end)
r = q.all()[0]
# Don't add results that didn't have any event
if r.count:
results.append(self._stats_result_to_dict(
result=r,
period=int(timeutils.delta_seconds(period_start,
period_end)),
period_start=period_start,
period_end=period_end,
))
return results
def get_meter_statistics(self, sample_filter, period=None, groupby=None):
"""Return an iterable of api_models.Statistics instances containing
meter statistics described by the query parameters.
The filter must have a meter value set.
"""
if groupby:
for group in groupby:
if group not in ['user_id', 'project_id', 'resource_id']:
raise NotImplementedError(
_("Unable to group by these fields"))
if not period:
for res in self._make_stats_query(sample_filter, groupby):
if res.count:
yield self._stats_result_to_model(res, 0,
res.tsmin, res.tsmax,
groupby)
return
if not sample_filter.start or not sample_filter.end:
res = self._make_stats_query(sample_filter, None).first()
query = self._make_stats_query(sample_filter, groupby)
# HACK(jd) This is an awful method to compute stats by period, but
# since we're trying to be SQL agnostic we have to write portable
# code, so here it is, admire! We're going to do one request to get
# stats by period. We would like to use GROUP BY, but there's no
# portable way to manipulate timestamp in SQL, so we can't.
for period_start, period_end in base.iter_period(
sample_filter.start or res.tsmin,
sample_filter.end or res.tsmax,
period):
q = query.filter(Meter.timestamp >= period_start)
q = q.filter(Meter.timestamp < period_end)
for r in q.all():
if r.count:
yield self._stats_result_to_model(
result=r,
period=int(timeutils.delta_seconds(period_start,
period_end)),
period_start=period_start,
period_end=period_end,
groupby=groupby
)
def get_meter_statistics(self, sample_filter, period=None, groupby=None):
"""Return an iterable of api_models.Statistics instances containing
meter statistics described by the query parameters.
The filter must have a meter value set.
"""
if groupby:
for group in groupby:
if group not in ['user_id', 'project_id', 'resource_id']:
raise NotImplementedError(
"Unable to group by these fields")
if not period:
for res in self._make_stats_query(sample_filter, groupby):
if res.count:
yield self._stats_result_to_model(res, 0,
res.tsmin, res.tsmax,
groupby)
return
if not sample_filter.start or not sample_filter.end:
res = self._make_stats_query(sample_filter, None).first()
query = self._make_stats_query(sample_filter, groupby)
# HACK(jd) This is an awful method to compute stats by period, but
# since we're trying to be SQL agnostic we have to write portable
# code, so here it is, admire! We're going to do one request to get
# stats by period. We would like to use GROUP BY, but there's no
# portable way to manipulate timestamp in SQL, so we can't.
for period_start, period_end in base.iter_period(
sample_filter.start or res.tsmin,
sample_filter.end or res.tsmax,
period):
q = query.filter(Meter.timestamp >= period_start)
q = q.filter(Meter.timestamp < period_end)
for r in q.all():
if r.count:
yield self._stats_result_to_model(
result=r,
period=int(timeutils.delta_seconds(period_start,
period_end)),
period_start=period_start,
period_end=period_end,
groupby=groupby
)
