def get_tenants(self, begin, end):
session = db.get_session()
q = utils.model_query(self.frame_model, session)
q = q.filter(self.frame_model.begin >= begin,
self.frame_model.end <= end)
tenants = q.distinct().values(self.frame_model.tenant_id)
return [tenant.tenant_id for tenant in tenants]
def delete_mapping(self, service):
session = db.get_session()
q = utils.model_query(models.ServiceToCollectorMapping, session)
q = q.filter(models.ServiceToCollectorMapping.service == service)
r = q.delete()
if not r:
raise api.NoSuchMapping(service)
def list_mappings(self, collector=None):
session = db.get_session()
q = utils.model_query(models.ServiceToCollectorMapping, session)
if collector:
q = q.filter(
models.ServiceToCollectorMapping.collector == collector)
res = q.all()
return res
def list_services(self, collector=None):
session = db.get_session()
q = utils.model_query(models.ServiceToCollectorMapping, session)
if collector:
q = q.filter(
models.ServiceToCollectorMapping.collector == collector)
res = q.distinct().values(models.ServiceToCollectorMapping.service)
return res
def get_mapping(self, service):
session = db.get_session()
try:
q = utils.model_query(models.ServiceToCollectorMapping, session)
q = q.filter(models.ServiceToCollectorMapping.service == service)
return q.one()
except sqlalchemy.orm.exc.NoResultFound:
raise api.NoSuchMapping(service)
def get_state(self, name):
session = db.get_session()
try:
q = utils.model_query(models.ModuleStateInfo, session)
q = q.filter(models.ModuleStateInfo.name == name)
res = q.value(models.ModuleStateInfo.state)
return bool(res)
except sqlalchemy.orm.exc.NoResultFound:
return None
def get_priority(self, name):
session = db.get_session()
q = utils.model_query(models.ModuleStateInfo, session)
q = q.filter(models.ModuleStateInfo.name == name)
res = q.value(models.ModuleStateInfo.priority)
if res:
return int(res)
else:
return 1
def get_state(self, tenant_id=None):
session = db.get_session()
q = utils.model_query(self.frame_model, session)
if tenant_id:
q = q.filter(self.frame_model.tenant_id == tenant_id)
q = q.order_by(self.frame_model.begin.desc())
r = q.first()
if r:
return ck_utils.dt2ts(r.begin)
def set_metadata(self, name, metadata):
session = db.get_session()
with session.begin():
try:
q = utils.model_query(models.StateInfo, session)
q = q.filter(models.StateInfo.name == name)
q = q.with_lockmode('update')
db_state = q.one()
db_state.s_metadata = metadata
except sqlalchemy.orm.exc.NoResultFound:
db_state = models.StateInfo(name=name, s_metadata=metadata)
session.add(db_state)
def set_state(self, name, state):
session = db.get_session()
with session.begin():
try:
q = utils.model_query(models.ModuleStateInfo, session)
q = q.filter(models.ModuleStateInfo.name == name)
q = q.with_lockmode('update')
db_state = q.one()
db_state.state = state
except sqlalchemy.orm.exc.NoResultFound:
db_state = models.ModuleStateInfo(name=name, state=state)
session.add(db_state)
return bool(db_state.state)
def get_total(self,
begin=None,
end=None,
tenant_id=None,
service=None,
groupby=None):
session = db.get_session()
querymodels = [
sqlalchemy.func.sum(self.frame_model.rate).label('rate')
]
# Boundary calculation
if not begin:
begin = ck_utils.get_month_start()
if not end:
end = ck_utils.get_next_month()
if tenant_id:
querymodels.append(self.frame_model.tenant_id)
if service:
querymodels.append(self.frame_model.res_type)
if groupby:
groupbyfields = groupby.split(",")
for field in groupbyfields:
field_obj = self.frame_model.__dict__.get(field, None)
if field_obj and field_obj not in querymodels:
querymodels.append(field_obj)
q = session.query(*querymodels)
if tenant_id:
q = q.filter(self.frame_model.tenant_id == tenant_id)
if service:
q = q.filter(self.frame_model.res_type == service)
q = q.filter(self.frame_model.begin >= begin,
self.frame_model.end <= end,
self.frame_model.res_type != '_NO_DATA_')
if groupby:
q = q.group_by(groupby)
# Order by sum(rate)
q = q.order_by(sqlalchemy.func.sum(self.frame_model.rate))
results = q.all()
totallist = []
for r in results:
total = {model.name: value for model, value in zip(querymodels, r)}
total["begin"] = begin
total["end"] = end
totallist.append(total)
return totallist
def set_mapping(self, service, collector):
session = db.get_session()
with session.begin():
try:
q = utils.model_query(models.ServiceToCollectorMapping,
session)
q = q.filter(
models.ServiceToCollectorMapping.service == service)
q = q.with_lockmode('update')
db_mapping = q.one()
db_mapping.collector = collector
except sqlalchemy.orm.exc.NoResultFound:
model = models.ServiceToCollectorMapping
db_mapping = model(service=service, collector=collector)
session.add(db_mapping)
return db_mapping
def get_time_frame(self, begin, end, **filters):
session = db.get_session()
q = utils.model_query(self.frame_model, session)
q = q.filter(self.frame_model.begin >= ck_utils.ts2dt(begin),
self.frame_model.end <= ck_utils.ts2dt(end))
for filter_name, filter_value in filters.items():
if filter_value:
q = q.filter(
getattr(self.frame_model, filter_name) == filter_value)
if not filters.get('res_type'):
q = q.filter(self.frame_model.res_type != '_NO_DATA_')
count = q.count()
if not count:
raise storage.NoTimeFrame()
r = q.all()
return [entry.to_elnino(self._collector) for entry in r]
def get_metadata(self, name):
session = db.get_session()
q = utils.model_query(models.StateInfo, session)
q.filter(models.StateInfo.name == name)
return q.value(models.StateInfo.s_metadata)
def _check_session(self, tenant_id):
session = self._session.get(tenant_id)
if not session:
self._session[tenant_id] = db.get_session()
self._session[tenant_id].begin()
