def _read_metadata(metric_name, path):
info = whisper.info(path)
if not info:
return None
retentions = bg_metric.Retention([
bg_metric.Stage(precision=a["secondsPerPoint"], points=a["points"])
for a in info["archives"]
])
aggregator = bg_metric.Aggregator.from_carbon_name(
info["aggregationMethod"])
return bg_metric.MetricMetadata.create(
aggregator=aggregator,
retention=retentions,
carbon_xfilesfactor=info["xFilesFactor"],
)
def test_create_async(self):
metric_name = "a.b.c"
metric = bg_test_utils.make_metric(metric_name)
self._plugin._createAsyncOrig(metric, metric_name)
self.assertFalse(self._plugin.exists(metric_name))
self._plugin._createOneMetric()
self.assertTrue(self._plugin.exists(metric_name))
# See if we can update.
metric = bg_test_utils.make_metric(
metric_name, retention=bg_metric.Retention([bg_metric.Stage(1, 1)])
)
self._plugin._createAsyncOrig(metric, metric_name)
self._plugin._createOneMetric()
retention = self._plugin.getMetadata(metric_name, "retention")
self.assertEqual(retention, metric.metadata.retention)