def get(self, request, *args, **kwargs):
meter = request.GET.get('meter', None)
if not meter:
return HttpResponse(json.dumps({}),
content_type='application/json')
meter_name = meter.replace(".", "_")
date_options = request.GET.get('date_options', None)
date_from = request.GET.get('date_from', None)
date_to = request.GET.get('date_to', None)
stats_attr = request.GET.get('stats_attr', 'avg')
group_by = request.GET.get('group_by', None)
try:
date_from, date_to = metering_utils.calc_date_args(
date_from, date_to, date_options)
except Exception:
exceptions.handle(self.request, _('Dates cannot be recognized.'))
if group_by == 'project':
query = metering_utils.ProjectAggregatesQuery(
request, date_from, date_to, 3600 * 24)
else:
query = metering_utils.MeterQuery(request, date_from, date_to,
3600 * 24)
resources, unit = query.query(meter)
series = metering_utils.series_for_meter(request, resources, group_by,
meter, meter_name, stats_attr,
unit)
series = metering_utils.normalize_series_by_unit(series)
ret = {'series': series, 'settings': {}}
return HttpResponse(json.dumps(ret), content_type='application/json')
def get(self, request, *args, **kwargs):
meter = request.GET.get('meter', None)
if not meter:
return HttpResponse(json.dumps({}),
content_type='application/json')
meter_name = meter.replace(".", "_")
date_options = request.GET.get('date_options', None)
date_from = request.GET.get('date_from', None)
date_to = request.GET.get('date_to', None)
stats_attr = request.GET.get('stats_attr', 'avg')
group_by = request.GET.get('group_by', None)
try:
date_from, date_to = metering_utils.calc_date_args(date_from,
date_to,
date_options)
except Exception:
exceptions.handle(self.request, _('Dates cannot be recognized.'))
if group_by == 'project':
query = metering_utils.ProjectAggregatesQuery(request,
date_from,
date_to,
3600 * 24)
else:
query = metering_utils.MeterQuery(request, date_from,
date_to, 3600 * 24)
resources, unit = query.query(meter)
series = metering_utils.series_for_meter(request, resources,
group_by, meter,
meter_name, stats_attr, unit)
series = metering_utils.normalize_series_by_unit(series)
ret = {'series': series, 'settings': {}}
return HttpResponse(json.dumps(ret), content_type='application/json')
def get_nodes_stats(request,
uuid,
meter,
date_options=None,
date_from=None,
date_to=None,
stats_attr=None,
barchart=None,
group_by=None):
unit = ''
series = []
if uuid:
if group_by == "image_id":
query = {}
image_query = [{
"field": "metadata.%s" % group_by,
"op": "eq",
"value": uuid
}]
query[uuid] = image_query
else:
query = [{'field': 'resource_id', 'op': 'eq', 'value': uuid}]
else:
# query will be aggregated across all resources
group_by = "all"
query = {'all': []}
# Disk and Network I/O: data from 2 meters in one chart
if meter == 'disk-io':
meters = get_meters([
'hardware.system_stats.io.outgoing.blocks',
'hardware.system_stats.io.incoming.blocks'
])
elif meter == 'network-io':
meters = get_meters([
'hardware.network.ip.outgoing.datagrams',
'hardware.network.ip.incoming.datagrams'
])
else:
meters = get_meters([meter])
date_from, date_to = metering.calc_date_args(date_from, date_to,
date_options)
for meter_id, meter_name in meters:
label = unicode(LABELS.get(meter_id, meter_name))
resources, unit = query_data(request=request,
date_from=date_from,
date_to=date_to,
group_by=group_by,
meter=meter_id,
query=query)
s = metering.series_for_meter(request, resources, group_by, meter_id,
meter_name, stats_attr, unit, label)
series += s
series = metering.normalize_series_by_unit(series)
json_output = create_json_output(series, barchart, unit, date_from,
date_to)
return json_output
def get_nodes_stats(request, node_uuid, instance_uuid, meter,
date_options=None, date_from=None, date_to=None,
stats_attr=None, barchart=None, group_by=None):
series = []
meter_list, unit = get_meter_list_and_unit(request, meter)
if instance_uuid:
if 'ipmi' in meter:
# For IPMI metrics, a resource ID is made of node UUID concatenated
# with the metric description. E.g:
# 1dcf1896-f581-4027-9efa-973eef3380d2-fan_2a_tach_(0x42)
resource_ids = [m.resource_id for m in meter_list
if m.resource_id.startswith(node_uuid)]
queries = [
[{'field': 'resource_id',
'op': 'eq',
'value': resource_id}]
for resource_id in resource_ids
]
else:
# For SNMP metrics, a resource ID matches exactly the UUID of the
# associated instance
if group_by == "image_id":
query = {}
image_query = [{"field": "metadata.%s" % group_by,
"op": "eq",
"value": instance_uuid}]
query[instance_uuid] = image_query
else:
query = [{'field': 'resource_id',
'op': 'eq',
'value': instance_uuid}]
queries = [query]
else:
# query will be aggregated across all resources
group_by = "all"
query = {'all': []}
queries = [query]
# Disk and Network I/O: data from 2 meters in one chart
if meter == 'disk-io':
meters = get_meters([
'hardware.system_stats.io.outgoing.blocks',
'hardware.system_stats.io.incoming.blocks'
])
elif meter == 'network-io':
meters = get_meters([
'hardware.network.ip.outgoing.datagrams',
'hardware.network.ip.incoming.datagrams'
])
else:
meters = get_meters([meter])
date_from, date_to = metering.calc_date_args(
date_from,
date_to,
date_options)
for meter_id, meter_name in meters:
label = str(LABELS.get(meter_id, meter_name))
for query in queries:
resources = query_data(
request=request,
date_from=date_from,
date_to=date_to,
group_by=group_by,
meter=meter_id,
query=query)
s = metering.series_for_meter(request, resources, group_by,
meter_id, meter_name, stats_attr,
unit, label)
series += s
series = metering.normalize_series_by_unit(series)
json_output = create_json_output(
series,
barchart,
unit,
date_from,
date_to)
return json_output
