def _get_data(self, node):
# TODO: Create here the object SnapQuery from the string
results = {}
for query_vars in InfoGraphNode.get_queries(node):
query = SnapQuery(self.snap, query_vars['metric'],
query_vars['tags'], query_vars['ts_from'],
query_vars['ts_to'])
res = query.run()
results[query.metric] = res
results_dataframe = self._to_dataframe(results)
return results_dataframe
def get_data(self, node):
"""
Return telemetry data for the specified node
:param node: InfoGraph node
:return: pandas.DataFrame
"""
queries = InfoGraphNode.get_queries(node)
ret_val = pandas.DataFrame()
try:
ret_val = self._get_data(queries)
except Exception as ex:
LOG.debug("Exception in user code: \n{} {} {}".format('-' * 60),
traceback.print_exc(file=sys.stdout), '-' * 60)
#ret_val.set_index(keys='timestamp')
if InfoGraphNode.node_is_vm(node):
if not ret_val.empty:
ret_val.columns = tm_utils.clean_vm_telemetry_colnames(
ret_val.columns)
return ret_val
