def update_storage_temperature(self, old_ambient, new_ambient):
with self._graph_ref.get_session() as db_s:
hd_elements = GraphReference.get_all_hd_thermal_elements(
db_s, self.key)
for hd_e in hd_elements:
if "DID" in hd_e["component"]:
target_attr = "DID"
target_value = hd_e["component"]["DID"]
target_type = "PhysicalDrive"
else:
target_attr = "serialNumber"
target_value = '"{}"'.format(
hd_e["component"]["serialNumber"])
target_type = "CacheVault"
updated, new_temp = GraphReference.add_to_hd_component_temperature(
db_s,
target={
"server_key": self.key,
"controller": hd_e["controller"]["controllerNum"],
"attribute": target_attr,
"value": target_value,
"hd_type": target_type,
},
temp_change=new_ambient - old_ambient,
limit={
"lower": new_ambient,
"upper": None
},
)
def _target_storage(self, controller, target, hd_type, event):
with self._graph_ref.get_session() as session:
while True:
self._s_thermal_event.wait()
# target
if hd_type == HDComponents.CacheVault:
target_attr = "serialNumber"
target_value = '"{}"'.format(target)
elif hd_type == HDComponents.PhysicalDrive:
target_attr = "DID"
target_value = target
else:
raise ValueError("Unknown hardware component!")
rel_details = GraphReference.get_sensor_thermal_rel(
session,
self._server_key,
relationship={
"source": self._s_name,
"target": {
"attribute": target_attr,
"value": target_value
},
"event": event,
},
)
if not rel_details:
del self._th_storage_t[target][event]
return
rel = rel_details["rel"]
causes_heating = rel["action"] == "increase"
source_sensor_status = (operator.eq if rel["event"] == "down"
else operator.ne)
# if model is specified -> use the runtime mappings
if "model" in rel and rel["model"]:
rel["degrees"] = self._calc_approx_value(
json.loads(rel["model"]),
int(self.sensor_value) * 10)
source_sensor_status = operator.ne
if source_sensor_status(int(self.sensor_value), 0):
updated, new_temp = GraphReference.add_to_hd_component_temperature(
session,
target={
"server_key": self._server_key,
"controller": controller,
"attribute": target_attr,
"value": target_value,
"hd_type": hd_type.name,
},
temp_change=rel["degrees"] *
1 if causes_heating else -1,
limit={
"lower": ISystemEnvironment.get_ambient(),
"upper":
rel["pauseAt"] if causes_heating else None,
},
)
if updated:
logger.info("temperature sensor was updated to %s°",
new_temp)
time.sleep(rel["rate"])
