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