def getInstanceNameForModelSpec(self, spec):
""" Get canonical instance name from a model spec
:param modelSpec: Model specification or import model specification
:type modelSpec: JSONifiable dict
:returns: Canonical instance name; None if autostack doesn't exist
:rtype: str or None
"""
if "metricSpec" in spec:
autostackId = spec["metricSpec"]["autostackId"]
else:
# Proceed as if for an import-model-spec
stackSpec = spec["stackSpec"]
aggSpec = stackSpec["aggSpec"]
try:
with self.connectionFactory() as conn:
autostackObj = repository.getAutostackForNameAndRegion(
conn,
stackSpec["name"],
aggSpec["region"])
except htm-it.app.exceptions.ObjectNotFoundError:
return None
else:
autostackId = autostackObj.uid
return self._getCanonicalResourceName(autostackId)
def importModel(self, spec):
""" Import a model
:param spec: datasource-specific value created by `exportModel`
:type spec: dict
:returns: datasource-specific unique metric identifier
"""
stackSpec = spec["stackSpec"]
aggSpec = stackSpec["aggSpec"]
try:
with self.connectionFactory() as conn:
autostackObj = repository.getAutostackForNameAndRegion(
conn,
stackSpec["name"],
aggSpec["region"])
except htm-it.app.exceptions.ObjectNotFoundError:
autostackObj = self.createAutostack(stackSpec)
modelSpec = spec["modelSpec"]
metricSpec = modelSpec["metricSpec"]
metricSpec["autostackId"] = autostackObj.uid
try:
return self.monitorMetric(modelSpec)
except htm-it.app.exceptions.MetricAlreadyMonitored as e:
self._log.warning("importModel: Autostack metric already monitored; "
"metricSpec=%s", metricSpec)
return e.uid
