def read(self, metric_names, from_timestamp, to_timestamp, resolution):
"""read metrics from metrics driver.
"""
curr_resolution = \
helper.resolution_converter_seconds_to_enum(resolution)
context_dict = context_utils.get_current().to_dict()
project_id = context_dict['tenant']
auth_token = None
if self.driver.metrics_conf.use_keystone_auth:
auth_token = context_dict['auth_token']
tenanted_blueflood_url = \
self.driver.metrics_conf.blueflood_url.format(
project_id=project_id
)
from_timestamp = int(helper.datetime_to_epoch(from_timestamp))
to_timestamp = int(helper.datetime_to_epoch(to_timestamp))
urls = []
params = {
'to': to_timestamp,
'from': from_timestamp,
'resolution': curr_resolution
}
for metric_name in metric_names:
tenanted_blueflood_url_with_metric = helper.join_url(
tenanted_blueflood_url,
metric_name.strip().replace(" ", ""))
LOG.info("Querying BlueFlood Metric: {0}".format(
tenanted_blueflood_url_with_metric))
urls.append(
helper.set_qs_on_url(tenanted_blueflood_url_with_metric,
**params))
executors = self.driver.metrics_conf.no_of_executors
blueflood_client = client.BlueFloodMetricsClient(token=auth_token,
project_id=project_id,
executors=executors)
results = blueflood_client.async_requests(urls)
reordered_metric_names = []
for result in results:
metric_name = helper.retrieve_last_relative_url(result.url)
reordered_metric_names.append(metric_name)
formatted_results = []
for metric_name, result in zip(reordered_metric_names, results):
formatted_result = self._result_formatter(result)
# NOTE(TheSriram): Tuple to pass the associated metric name, along
# with the formatted result
formatted_results.append((metric_name, formatted_result))
return formatted_results
def read(self, metric_names, from_timestamp, to_timestamp, resolution):
"""read metrics from metrics driver.
"""
curr_resolution = \
helper.resolution_converter_seconds_to_enum(resolution)
context_dict = context_utils.get_current().to_dict()
project_id = context_dict['tenant']
auth_token = None
if self.driver.metrics_conf.use_keystone_auth:
auth_token = context_dict['auth_token']
tenanted_blueflood_url = \
self.driver.metrics_conf.blueflood_url.format(
project_id=project_id
)
from_timestamp = int(helper.datetime_to_epoch(from_timestamp))
to_timestamp = int(helper.datetime_to_epoch(to_timestamp))
urls = []
params = {
'to': to_timestamp,
'from': from_timestamp,
'resolution': curr_resolution
}
for metric_name in metric_names:
tenanted_blueflood_url_with_metric = helper.join_url(
tenanted_blueflood_url, metric_name.strip().replace(" ", ""))
LOG.info("Querying BlueFlood Metric: {0}".format(
tenanted_blueflood_url_with_metric))
urls.append(helper.set_qs_on_url(
tenanted_blueflood_url_with_metric,
**params))
executors = self.driver.metrics_conf.no_of_executors
blueflood_client = client.BlueFloodMetricsClient(token=auth_token,
project_id=project_id,
executors=executors)
results = blueflood_client.async_requests(urls)
reordered_metric_names = []
for result in results:
metric_name = helper.retrieve_last_relative_url(result.url)
reordered_metric_names.append(metric_name)
formatted_results = []
for metric_name, result in zip(reordered_metric_names, results):
formatted_result = self._result_formatter(result)
# NOTE(TheSriram): Tuple to pass the associated metric name, along
# with the formatted result
formatted_results.append((metric_name, formatted_result))
return formatted_results
def test_retrieve_last_relative_url(self):
relative_url = 'requestCount'
non_relative_url = self.url + '/' + relative_url
self.assertEqual(helper.retrieve_last_relative_url(non_relative_url),
relative_url)
def test_retrieve_last_relative_url(self):
relative_url = 'requestCount'
non_relative_url = self.url + '/' + relative_url
self.assertEqual(helper.retrieve_last_relative_url(non_relative_url),
relative_url)