def get_tag_names(domain):
"""Returns a list of all tag names.
"""
if not authorized(request, domain, 'r'):
return 'Forbidden', 403, []
return (json.dumps({'results':
[name for name in datastore.get_tag_names(domain)]}), 200, [])
def add_datapoints(domain):
"""Records metric data points.
"""
if not authorized(request, domain, 'w'):
return 'Forbidden', 403, []
for dps in DataPointSet.from_json_object(request.get_json()):
datastore.put_data_points(dps, domain)
return '', 204, []
def query_metric_tags(domain):
"""Same as the query but it leaves off the data and just returns the tag
information.
"""
if not authorized(request, domain, 'r'):
return 'Forbidden', 403, []
return (json.dumps({'results': [{
'name': query.name,
'tags': datastore.query_metric_tags(query, domain)
} for query in QueryMetric.from_json_object(request.get_json())]}), 200, [])
def query_database(domain):
"""Returns a list of metric values based on a set of criteria. Also returns a
set of all tag names and values that are found across the data points.
"""
if not authorized(request, domain, 'r'):
return 'Forbidden', 403, []
# spawn all threads
gather_threads = [datastore.query_database(query, QueryMetric.create_callback(query), domain) \
for query in QueryMetric.from_json_object(request.get_json())]
return (json.dumps({'queries': [{
'sample_size': result.sample_size,
'results': result.results
} for result in [t.get_result() for t in gather_threads]]}), 200, [])