def test_sample_filter_self_always_excluded(self):
queries = [v2_base.Query(field='user_id', op='eq', value='20')]
with mock.patch('pecan.request') as request:
request.headers.return_value = {'X-ProjectId': 'foobar'}
kwargs = utils.query_to_kwargs(queries,
storage.SampleFilter.__init__)
self.assertNotIn('self', kwargs)
def test_sample_filter_single(self):
q = [v2_base.Query(field='user_id',
op='eq',
value='uid')]
kwargs = utils.query_to_kwargs(q, storage.SampleFilter.__init__)
self.assertIn('user', kwargs)
self.assertEqual(1, len(kwargs))
self.assertEqual('uid', kwargs['user'])
def test_sample_filter_single(self):
q = [v2_base.Query(field='user_id',
op='eq',
value='uid')]
kwargs = utils.query_to_kwargs(q, storage.SampleFilter.__init__)
self.assertIn('user', kwargs)
self.assertEqual(1, len(kwargs))
self.assertEqual('uid', kwargs['user'])
def test_sample_filter_self_always_excluded(self):
queries = [v2_base.Query(field='user_id',
op='eq',
value='20')]
with mock.patch('pecan.request') as request:
request.headers.return_value = {'X-ProjectId': 'foobar'}
kwargs = utils.query_to_kwargs(queries,
storage.SampleFilter.__init__)
self.assertFalse('self' in kwargs)
def test_sample_filter_meta(self):
q = [
v2_base.Query(field="metadata.size", op="eq", value="20"),
v2_base.Query(field="resource_metadata.id", op="eq", value="meta_id"),
]
kwargs = utils.query_to_kwargs(q, storage.SampleFilter.__init__)
self.assertEqual(1, len(kwargs))
self.assertEqual(2, len(kwargs["metaquery"]))
self.assertEqual(20, kwargs["metaquery"]["metadata.size"])
self.assertEqual("meta_id", kwargs["metaquery"]["metadata.id"])
def test_sample_filter_translation(self):
queries = [
v2_base.Query(field=f, op="eq", value="fake_%s" % f, type="string")
for f in ["user_id", "project_id", "resource_id"]
]
with mock.patch("pecan.request") as request:
request.headers.return_value = {"X-ProjectId": "foobar"}
kwargs = utils.query_to_kwargs(queries, storage.SampleFilter.__init__)
for o in ["user", "project", "resource"]:
self.assertEqual("fake_%s_id" % o, kwargs.get(o))
def test_sample_filter_translation(self):
queries = [
v2_base.Query(field=f, op='eq', value='fake_%s' % f, type='string')
for f in ['user_id', 'project_id', 'resource_id']
]
with mock.patch('pecan.request') as request:
request.headers.return_value = {'X-ProjectId': 'foobar'}
kwargs = utils.query_to_kwargs(queries,
storage.SampleFilter.__init__)
for o in ['user', 'project', 'resource']:
self.assertEqual('fake_%s_id' % o, kwargs.get(o))
def test_sample_filter_meta(self):
q = [
v2_base.Query(field='metadata.size', op='eq', value='20'),
v2_base.Query(field='resource_metadata.id',
op='eq',
value='meta_id')
]
kwargs = utils.query_to_kwargs(q, storage.SampleFilter.__init__)
self.assertEqual(1, len(kwargs))
self.assertEqual(2, len(kwargs['metaquery']))
self.assertEqual(20, kwargs['metaquery']['metadata.size'])
self.assertEqual('meta_id', kwargs['metaquery']['metadata.id'])
def get_all(self, q=None):
"""Return all alarms, based on the query provided.
:param q: Filter rules for the alarms to be returned.
"""
rbac.enforce("get_alarms", pecan.request)
q = q or []
# Timestamp is not supported field for Simple Alarm queries
kwargs = v2_utils.query_to_kwargs(q, pecan.request.alarm_storage_conn.get_alarms, allow_timestamps=False)
return [Alarm.from_db_model(m) for m in pecan.request.alarm_storage_conn.get_alarms(**kwargs)]
def test_sample_filter_meta(self):
q = [v2_base.Query(field='metadata.size',
op='eq',
value='20'),
v2_base.Query(field='resource_metadata.id',
op='eq',
value='meta_id')]
kwargs = utils.query_to_kwargs(q, storage.SampleFilter.__init__)
self.assertEqual(1, len(kwargs))
self.assertEqual(2, len(kwargs['metaquery']))
self.assertEqual(20, kwargs['metaquery']['metadata.size'])
self.assertEqual('meta_id', kwargs['metaquery']['metadata.id'])
def test_sample_filter_timestamp(self):
ts_start = timeutils.utcnow()
ts_end = ts_start + datetime.timedelta(minutes=5)
q = [
v2_base.Query(field="timestamp", op="lt", value=str(ts_end)),
v2_base.Query(field="timestamp", op="gt", value=str(ts_start)),
]
kwargs = utils.query_to_kwargs(q, storage.SampleFilter.__init__)
self.assertEqual(4, len(kwargs))
self.assertTimestampEqual(kwargs["start_timestamp"], ts_start)
self.assertTimestampEqual(kwargs["end_timestamp"], ts_end)
self.assertEqual("gt", kwargs["start_timestamp_op"])
self.assertEqual("lt", kwargs["end_timestamp_op"])
def test_sample_filter_timestamp(self):
ts_start = timeutils.utcnow()
ts_end = ts_start + datetime.timedelta(minutes=5)
q = [
v2_base.Query(field='timestamp', op='lt', value=str(ts_end)),
v2_base.Query(field='timestamp', op='gt', value=str(ts_start))
]
kwargs = utils.query_to_kwargs(q, storage.SampleFilter.__init__)
self.assertEqual(4, len(kwargs))
self.assertTimestampEqual(kwargs['start_timestamp'], ts_start)
self.assertTimestampEqual(kwargs['end_timestamp'], ts_end)
self.assertEqual('gt', kwargs['start_timestamp_op'])
self.assertEqual('lt', kwargs['end_timestamp_op'])
def test_sample_filter_translation(self):
queries = [v2_base.Query(field=f,
op='eq',
value='fake_%s' % f,
type='string') for f in ['user_id',
'project_id',
'resource_id']]
with mock.patch('pecan.request') as request:
request.headers.return_value = {'X-ProjectId': 'foobar'}
kwargs = utils.query_to_kwargs(queries,
storage.SampleFilter.__init__)
for o in ['user', 'project', 'resource']:
self.assertEqual('fake_%s_id' % o, kwargs.get(o))
def get_all(self, q=None):
"""Return all known meters, based on the data recorded so far.
:param q: Filter rules for the meters to be returned.
"""
rbac.enforce("get_meters", pecan.request)
q = q or []
# Timestamp field is not supported for Meter queries
kwargs = v2_utils.query_to_kwargs(q, pecan.request.storage_conn.get_meters, allow_timestamps=False)
return [Meter.from_db_model(m) for m in pecan.request.storage_conn.get_meters(**kwargs)]
def get_all(self,
q=None,
meter=None,
groupby=None,
period=None,
aggregate=None):
"""Retrieve all statistics for all meters
:param q: Filter rules for the statistics to be returned.
"""
rbac.enforce('compute_statistics', pecan.request)
q = q or []
meter = meter or []
groupby = groupby or []
aggregate = aggregate or []
if period and period < 0:
raise base.ClientSideError(_("Period must be positive."))
g = meters._validate_groupby_fields(groupby)
# TO DO: break out the meter names and invoke multiple calls
kwargs = v2_utils.query_to_kwargs(q, storage.SampleFilter.__init__)
aggregate = utils.uniq(aggregate, ['func', 'param'])
# Find the original timestamp in the query to use for clamping
# the duration returned in the statistics.
start = end = None
for i in q:
if i.field == 'timestamp' and i.op in ('lt', 'le'):
end = timeutils.parse_isotime(i.value).replace(tzinfo=None)
elif i.field == 'timestamp' and i.op in ('gt', 'ge'):
start = timeutils.parse_isotime(i.value).replace(tzinfo=None)
ret = []
kwargs['meter'] = meter
f = storage.SampleFilter(**kwargs)
try:
computed = pecan.request.storage_conn.get_meter_statistics(
f, period, g, aggregate)
dbStats = [
ScopedStatistics(start_timestamp=start,
end_timestamp=end,
**c.as_dict()) for c in computed
]
ret += dbStats
except OverflowError:
LOG.exception("Problem processing meters %s" % meter)
return ret
def statistics(self, q=None, groupby=None, period=None, aggregate=None):
"""Computes the statistics of the samples in the time range given.
:param q: Filter rules for the data to be returned.
:param groupby: Fields for group by aggregation
:param period: Returned result will be an array of statistics for a
period long of that number of seconds.
:param aggregate: The selectable aggregation functions to be applied.
"""
rbac.enforce('compute_statistics', pecan.request)
q = q or []
groupby = groupby or []
aggregate = aggregate or []
if period and period < 0:
raise base.ClientSideError(_("Period must be positive."))
kwargs = v2_utils.query_to_kwargs(q, storage.SampleFilter.__init__)
kwargs['meter'] = self.meter_name
f = storage.SampleFilter(**kwargs)
g = _validate_groupby_fields(groupby)
aggregate = utils.uniq(aggregate, ['func', 'param'])
# Find the original timestamp in the query to use for clamping
# the duration returned in the statistics.
start = end = None
for i in q:
if i.field == 'timestamp' and i.op in ('lt', 'le'):
end = timeutils.parse_isotime(i.value).replace(
tzinfo=None)
elif i.field == 'timestamp' and i.op in ('gt', 'ge'):
start = timeutils.parse_isotime(i.value).replace(
tzinfo=None)
try:
computed = pecan.request.storage_conn.get_meter_statistics(
f, period, g, aggregate)
LOG.debug(_('computed value coming from %r'),
pecan.request.storage_conn)
return [Statistics(start_timestamp=start,
end_timestamp=end,
**c.as_dict())
for c in computed]
except OverflowError as e:
params = dict(period=period, err=e)
raise base.ClientSideError(
_("Invalid period %(period)s: %(err)s") % params)
def statistics(self, q=None, groupby=None, period=None, aggregate=None):
"""Computes the statistics of the samples in the time range given.
:param q: Filter rules for the data to be returned.
:param groupby: Fields for group by aggregation
:param period: Returned result will be an array of statistics for a
period long of that number of seconds.
:param aggregate: The selectable aggregation functions to be applied.
"""
rbac.enforce('compute_statistics', pecan.request)
q = q or []
groupby = groupby or []
aggregate = aggregate or []
if period and period < 0:
raise base.ClientSideError(_("Period must be positive."))
kwargs = v2_utils.query_to_kwargs(q, storage.SampleFilter.__init__)
kwargs['meter'] = self.meter_name
f = storage.SampleFilter(**kwargs)
g = _validate_groupby_fields(groupby)
aggregate = utils.uniq(aggregate, ['func', 'param'])
# Find the original timestamp in the query to use for clamping
# the duration returned in the statistics.
start = end = None
for i in q:
if i.field == 'timestamp' and i.op in ('lt', 'le'):
end = timeutils.parse_isotime(i.value).replace(tzinfo=None)
elif i.field == 'timestamp' and i.op in ('gt', 'ge'):
start = timeutils.parse_isotime(i.value).replace(tzinfo=None)
try:
computed = pecan.request.storage_conn.get_meter_statistics(
f, period, g, aggregate)
LOG.debug(_('computed value coming from %r'),
pecan.request.storage_conn)
return [
Statistics(start_timestamp=start,
end_timestamp=end,
**c.as_dict()) for c in computed
]
except OverflowError as e:
params = dict(period=period, err=e)
raise base.ClientSideError(
_("Invalid period %(period)s: %(err)s") % params)
def test_sample_filter_timestamp(self):
ts_start = timeutils.utcnow()
ts_end = ts_start + datetime.timedelta(minutes=5)
q = [v2_base.Query(field='timestamp',
op='lt',
value=str(ts_end)),
v2_base.Query(field='timestamp',
op='gt',
value=str(ts_start))]
kwargs = utils.query_to_kwargs(q, storage.SampleFilter.__init__)
self.assertEqual(4, len(kwargs))
self.assertTimestampEqual(kwargs['start_timestamp'], ts_start)
self.assertTimestampEqual(kwargs['end_timestamp'], ts_end)
self.assertEqual('gt', kwargs['start_timestamp_op'])
self.assertEqual('lt', kwargs['end_timestamp_op'])
def test_sample_filter_multi(self):
q = [
v2_base.Query(field='user_id', op='eq', value='uid'),
v2_base.Query(field='project_id', op='eq', value='pid'),
v2_base.Query(field='resource_id', op='eq', value='rid'),
v2_base.Query(field='source', op='eq', value='source_name'),
v2_base.Query(field='meter', op='eq', value='meter_name')
]
kwargs = utils.query_to_kwargs(q, storage.SampleFilter.__init__)
self.assertEqual(5, len(kwargs))
self.assertEqual('uid', kwargs['user'])
self.assertEqual('pid', kwargs['project'])
self.assertEqual('rid', kwargs['resource'])
self.assertEqual('source_name', kwargs['source'])
self.assertEqual('meter_name', kwargs['meter'])
def get_all(self, q=None, limit=None):
"""Return all known samples, based on the data recorded so far.
:param q: Filter rules for the samples to be returned.
:param limit: Maximum number of samples to be returned.
"""
rbac.enforce("get_samples", pecan.request)
q = q or []
limit = utils.enforce_limit(limit)
kwargs = utils.query_to_kwargs(q, storage.SampleFilter.__init__)
f = storage.SampleFilter(**kwargs)
return map(Sample.from_db_model, pecan.request.storage_conn.get_samples(f, limit=limit))
def get_all(self, q=None):
"""Return all alarms, based on the query provided.
:param q: Filter rules for the alarms to be returned.
"""
rbac.enforce('get_alarms', pecan.request)
q = q or []
# Timestamp is not supported field for Simple Alarm queries
kwargs = v2_utils.query_to_kwargs(
q, pecan.request.alarm_storage_conn.get_alarms,
allow_timestamps=False)
return [Alarm.from_db_model(m)
for m in pecan.request.alarm_storage_conn.get_alarms(**kwargs)]
def test_sample_filter_multi(self):
q = [
v2_base.Query(field="user_id", op="eq", value="uid"),
v2_base.Query(field="project_id", op="eq", value="pid"),
v2_base.Query(field="resource_id", op="eq", value="rid"),
v2_base.Query(field="source", op="eq", value="source_name"),
v2_base.Query(field="meter", op="eq", value="meter_name"),
]
kwargs = utils.query_to_kwargs(q, storage.SampleFilter.__init__)
self.assertEqual(5, len(kwargs))
self.assertEqual("uid", kwargs["user"])
self.assertEqual("pid", kwargs["project"])
self.assertEqual("rid", kwargs["resource"])
self.assertEqual("source_name", kwargs["source"])
self.assertEqual("meter_name", kwargs["meter"])
def get_all(self, q=None, limit=None):
"""Return samples for the meter.
:param q: Filter rules for the data to be returned.
:param limit: Maximum number of samples to return.
"""
rbac.enforce("get_samples", pecan.request)
q = q or []
limit = v2_utils.enforce_limit(limit)
kwargs = v2_utils.query_to_kwargs(q, storage.SampleFilter.__init__)
kwargs["meter"] = self.meter_name
f = storage.SampleFilter(**kwargs)
return [OldSample.from_db_model(e) for e in pecan.request.storage_conn.get_samples(f, limit=limit)]
def get_all(self, q=None, limit=None):
"""Return all known samples, based on the data recorded so far.
:param q: Filter rules for the samples to be returned.
:param limit: Maximum number of samples to be returned.
"""
rbac.enforce('get_samples', pecan.request)
q = q or []
limit = utils.enforce_limit(limit)
kwargs = utils.query_to_kwargs(q, storage.SampleFilter.__init__)
f = storage.SampleFilter(**kwargs)
return map(Sample.from_db_model,
pecan.request.storage_conn.get_samples(f, limit=limit))
def get_all(self, q=None, limit=None):
"""Return all known samples, based on the data recorded so far.
:param q: Filter rules for the samples to be returned.
:param limit: Maximum number of samples to be returned.
"""
rbac.enforce("get_samples", pecan.request)
q = q or []
if limit and limit < 0:
raise base.ClientSideError(_("Limit must be positive"))
kwargs = utils.query_to_kwargs(q, storage.SampleFilter.__init__)
f = storage.SampleFilter(**kwargs)
return map(Sample.from_db_model, pecan.request.storage_conn.get_samples(f, limit=limit))
def get_all(self, q=None, limit=None):
"""Return samples for the meter.
:param q: Filter rules for the data to be returned.
:param limit: Maximum number of samples to return.
"""
rbac.enforce("get_samples", pecan.request)
q = q or []
if limit and limit < 0:
raise base.ClientSideError(_("Limit must be positive"))
kwargs = v2_utils.query_to_kwargs(q, storage.SampleFilter.__init__)
kwargs["meter"] = self.meter_name
f = storage.SampleFilter(**kwargs)
return [OldSample.from_db_model(e) for e in pecan.request.storage_conn.get_samples(f, limit=limit)]
def history(self, q=None):
"""Assembles the alarm history requested.
:param q: Filter rules for the changes to be described.
"""
rbac.enforce("alarm_history", pecan.request)
q = q or []
# allow history to be returned for deleted alarms, but scope changes
# returned to those carried out on behalf of the auth'd tenant, to
# avoid inappropriate cross-tenant visibility of alarm history
auth_project = rbac.get_limited_to_project(pecan.request.headers)
conn = pecan.request.alarm_storage_conn
kwargs = v2_utils.query_to_kwargs(q, conn.get_alarm_changes, ["on_behalf_of", "alarm_id"])
return [AlarmChange.from_db_model(ac) for ac in conn.get_alarm_changes(self._id, auth_project, **kwargs)]
def get_all(self, q=None, meter_links=1):
"""Retrieve definitions of all of the resources.
:param q: Filter rules for the resources to be returned.
:param meter_links: option to include related meter links
"""
rbac.enforce("get_resources", pecan.request)
q = q or []
kwargs = utils.query_to_kwargs(q, pecan.request.storage_conn.get_resources)
resources = [
Resource.from_db_and_links(r, self._resource_links(r.resource_id, meter_links))
for r in pecan.request.storage_conn.get_resources(**kwargs)
]
return resources
def get_all(self, q=None, limit=None):
"""Return samples for the meter.
:param q: Filter rules for the data to be returned.
:param limit: Maximum number of samples to return.
"""
rbac.enforce('get_samples', pecan.request)
q = q or []
limit = v2_utils.enforce_limit(limit)
kwargs = v2_utils.query_to_kwargs(q, storage.SampleFilter.__init__)
kwargs['meter'] = self.meter_name
f = storage.SampleFilter(**kwargs)
return [OldSample.from_db_model(e)
for e in pecan.request.storage_conn.get_samples(f, limit=limit)
]
def get_all(self, q=None, limit=None):
"""Return all known samples, based on the data recorded so far.
:param q: Filter rules for the samples to be returned.
:param limit: Maximum number of samples to be returned.
"""
rbac.enforce('get_samples', pecan.request)
q = q or []
if limit and limit < 0:
raise base.ClientSideError(_("Limit must be positive"))
kwargs = utils.query_to_kwargs(q, storage.SampleFilter.__init__)
f = storage.SampleFilter(**kwargs)
return map(Sample.from_db_model,
pecan.request.storage_conn.get_samples(f, limit=limit))
def get_all(self, q=None):
"""Return all known meters, based on the data recorded so far.
:param q: Filter rules for the meters to be returned.
"""
rbac.enforce('get_meters', pecan.request)
q = q or []
# Timestamp field is not supported for Meter queries
kwargs = v2_utils.query_to_kwargs(
q, pecan.request.storage_conn.get_meters, allow_timestamps=False)
return [
Meter.from_db_model(m)
for m in pecan.request.storage_conn.get_meters(**kwargs)
]
def get_all(self, q=[], limit=None):
"""Return all known meters, based on the data recorded so far.
:param q: Filter rules for the meters to be returned.
:param limit: limit of the number of meter types to return.
"""
rbac.enforce('get_meters', pecan.request)
q = q or []
# Timestamp field is not supported for Meter queries
lim = v2_utils.enforce_limit(limit)
kwargs = v2_utils.query_to_kwargs(
q, pecan.request.storage_conn.get_meter_types,
['limit'], allow_timestamps=False)
return [MeterType.from_db_model(m)
for m in pecan.request.storage_conn.get_meter_types(limit=lim,
**kwargs)]
def get_all(self, q=None, meter_links=1):
"""Retrieve definitions of all of the resources.
:param q: Filter rules for the resources to be returned.
:param meter_links: option to include related meter links
"""
rbac.enforce('get_resources', pecan.request)
q = q or []
kwargs = utils.query_to_kwargs(
q, pecan.request.storage_conn.get_resources)
resources = [
Resource.from_db_and_links(r,
self._resource_links(r.resource_id,
meter_links))
for r in pecan.request.storage_conn.get_resources(**kwargs)]
return resources
def get_all(self, q=None, limit=None, meter_links=1):
"""Retrieve definitions of all of the resources.
:param q: Filter rules for the resources to be returned.
:param meter_links: option to include related meter links
"""
rbac.enforce("get_resources", pecan.request)
q = q or []
limit = utils.enforce_limit(limit)
kwargs = utils.query_to_kwargs(q, pecan.request.storage_conn.get_resources)
if "limit" in kwargs:
raise base.ClientSideError(_("Limit is not a valid field for queries, " "use 'limit' parameter."))
resources = [
Resource.from_db_and_links(r, self._resource_links(r.resource_id, meter_links))
for r in pecan.request.storage_conn.get_resources(limit=limit, **kwargs)
]
return resources
def get_all(self, q=None, limit=None):
"""Return samples for the meter.
:param q: Filter rules for the data to be returned.
:param limit: Maximum number of samples to return.
"""
rbac.enforce('get_samples', pecan.request)
q = q or []
if limit and limit < 0:
raise base.ClientSideError(_("Limit must be positive"))
kwargs = v2_utils.query_to_kwargs(q, storage.SampleFilter.__init__)
kwargs['meter'] = self.meter_name
f = storage.SampleFilter(**kwargs)
return [
OldSample.from_db_model(e)
for e in pecan.request.storage_conn.get_samples(f, limit=limit)
]
def history(self, q=None):
"""Assembles the alarm history requested.
:param q: Filter rules for the changes to be described.
"""
rbac.enforce('alarm_history', pecan.request)
q = q or []
# allow history to be returned for deleted alarms, but scope changes
# returned to those carried out on behalf of the auth'd tenant, to
# avoid inappropriate cross-tenant visibility of alarm history
auth_project = rbac.get_limited_to_project(pecan.request.headers)
conn = pecan.request.alarm_storage_conn
kwargs = v2_utils.query_to_kwargs(
q, conn.get_alarm_changes, ['on_behalf_of', 'alarm_id'])
return [AlarmChange.from_db_model(ac)
for ac in conn.get_alarm_changes(self._id, auth_project,
**kwargs)]
def get_all(self, q=None, limit=None, unique=''):
"""Return all known meters, based on the data recorded so far.
:param q: Filter rules for the meters to be returned.
:param unique: flag to indicate unique meters to be returned.
"""
rbac.enforce('get_meters', pecan.request)
q = q or []
# Timestamp field is not supported for Meter queries
limit = v2_utils.enforce_limit(limit)
kwargs = v2_utils.query_to_kwargs(
q, pecan.request.storage_conn.get_meters,
['limit'], allow_timestamps=False)
return [Meter.from_db_model(m)
for m in pecan.request.storage_conn.get_meters(
limit=limit, unique=strutils.bool_from_string(unique),
**kwargs)]
def get_all(self, q=None, limit=None, unique=""):
"""Return all known meters, based on the data recorded so far.
:param q: Filter rules for the meters to be returned.
:param unique: flag to indicate unique meters to be returned.
"""
rbac.enforce("get_meters", pecan.request)
q = q or []
# Timestamp field is not supported for Meter queries
limit = v2_utils.enforce_limit(limit)
kwargs = v2_utils.query_to_kwargs(q, pecan.request.storage_conn.get_meters, ["limit"], allow_timestamps=False)
return [
Meter.from_db_model(m)
for m in pecan.request.storage_conn.get_meters(
limit=limit, unique=strutils.bool_from_string(unique), **kwargs
)
]
def get_all(self, q=None, limit=None):
"""Return all known meters, based on the data recorded so far.
:param q: Filter rules for the meters to be returned.
"""
rbac.enforce('get_meters', pecan.request)
q = q or []
# Timestamp field is not supported for Meter queries
limit = v2_utils.enforce_limit(limit)
kwargs = v2_utils.query_to_kwargs(
q, pecan.request.storage_conn.get_meters, allow_timestamps=False)
if 'limit' in kwargs:
raise base.ClientSideError(_(
"Limit is not a valid field for queries, "
"use 'limit' parameter."))
return [Meter.from_db_model(m)
for m in pecan.request.storage_conn.get_meters(limit=limit,
**kwargs)]
def get_all(self, q=None, limit=None, meter_links=0):
"""Retrieve definitions of all of the resources.
:param q: Filter rules for the resources to be returned.
:param limit: Maximum number of resources to return.
:param meter_links: option to include related meter links.
"""
rbac.enforce('get_resources', pecan.request)
q = q or []
r_ids = []
if len(q) == 1:
# Improve query time for meter-based stats reports from
# Horizon. Get resource info for specified resource ids in one
# call as opposed to one by one.
# q is a list of Query objects. Convert the first and
# only item to dictionary to retrieve the list of resource ids.
d = q[0].as_dict()
if d['field'] == 'resource_ids':
r_ids = ast.literal_eval(d['value'])
if r_ids:
resources = [
Resource.from_db_and_links(
r, self._resource_links(r.resource_id, meter_links))
for r in pecan.request.storage_conn.get_resources_batch(r_ids)
]
return resources
else:
limit = utils.enforce_limit(limit)
kwargs = utils.query_to_kwargs(
q, pecan.request.storage_conn.get_resources, ['limit'])
resources = [
Resource.from_db_and_links(
r, self._resource_links(r.resource_id, meter_links))
for r in pecan.request.storage_conn.get_resources(limit=limit,
**kwargs)
]
return resources
def test_sample_filter_multi(self):
q = [v2_base.Query(field='user_id',
op='eq',
value='uid'),
v2_base.Query(field='project_id',
op='eq',
value='pid'),
v2_base.Query(field='resource_id',
op='eq',
value='rid'),
v2_base.Query(field='source',
op='eq',
value='source_name'),
v2_base.Query(field='meter',
op='eq',
value='meter_name')]
kwargs = utils.query_to_kwargs(q, storage.SampleFilter.__init__)
self.assertEqual(5, len(kwargs))
self.assertEqual('uid', kwargs['user'])
self.assertEqual('pid', kwargs['project'])
self.assertEqual('rid', kwargs['resource'])
self.assertEqual('source_name', kwargs['source'])
self.assertEqual('meter_name', kwargs['meter'])
def vm(self, vm_uuid=None, startTime=None, endTime=None, timeType=None):
"""
获取虚拟机内存使用率，cpu利用率，磁盘读取速率，写速率，网络读速率，写速率
memory 内存总量
cpu_util cpu利用率
memory.usage 内存使用量
disk.device.read.bytes.rate 磁盘读取速率
disk.device.write.bytes.rate 磁盘写速率
network.incoming.bytes.rate 网络读速率
network.outgoing.bytes.rate 网络写速率
:param vm_uuid:
:param startTime:
:param endTime:
:param timeType: {hour,day,month,year}
:return:
"""
if vm_uuid:
# 验证参数
startTime, endTime, timeType = verify_params(
startTime, endTime, timeType)
period = get_period_by_timeType(timeType)
q = get_q_from_condition(vm_uuid, startTime, endTime)
kwargs = v2_utils.query_to_kwargs(q, storage.SampleFilter.__init__)
dataType = [
"cpu_util", "memory", "memory.usage", "disk.read.bytes.rate",
"disk.write.bytes.rate", "network.incoming.bytes.rate",
"network.outgoing.bytes.rate"
]
result = Capability(startTime, endTime, timeType)
# dict_to_result = {"memory": result.memory_total, "cpu_util": result.cpu_util,
# "disk.read.bytes.rate": result.disk_read_rate,
# "disk.write.bytes.rate": result.disk_write_rate,
# "network.incoming.bytes.rate": result.network_read_rate,
# "network.outgoing.bytes.rate": result.network_write_rate,
# "memory.usage": result.memory_usage}
for data in dataType:
kwargs['meter'] = data
f = storage.SampleFilter(**kwargs)
try:
computed = pecan.request.storage_conn.get_meter_statistics(
f, period)
except Exception:
continue
if (len(computed) != 0):
result = set_value_to_result(result, data, timeType,
startTime, computed)
result.memory_util = [
(result.memory_usage[i] / result.memory_total[i]) *
100 if result.memory_total[i] != 0 else 0
for i in range(len(result.memory_total))
]
result.disk_read_rate = [
item / 1024 for item in result.disk_read_rate
]
result.disk_write_rate = [
item / 1024 for item in result.disk_write_rate
]
result.network_read_rate = [
item / 1024 for item in result.network_read_rate
]
result.network_write_rate = [
item / 1024 for item in result.network_write_rate
]
else:
raise wsme.exc.MissingArgument(argname="missingArg",
msg='must pass vm_uuid')
return result
def test_sample_filter_single(self):
q = [v2_base.Query(field="user_id", op="eq", value="uid")]
kwargs = utils.query_to_kwargs(q, storage.SampleFilter.__init__)
self.assertIn("user", kwargs)
self.assertEqual(1, len(kwargs))
self.assertEqual("uid", kwargs["user"])
def test_sample_filter_self_always_excluded(self):
queries = [v2_base.Query(field="user_id", op="eq", value="20")]
with mock.patch("pecan.request") as request:
request.headers.return_value = {"X-ProjectId": "foobar"}
kwargs = utils.query_to_kwargs(queries, storage.SampleFilter.__init__)
self.assertFalse("self" in kwargs)
