def unregister_conductor(self, hostname):
with _session_for_write():
query = (model_query(models.Conductor).filter_by(hostname=hostname,
online=True))
count = query.update({'online': False})
if count == 0:
raise exception.ConductorNotFound(conductor=hostname)
def get_conductor(self, hostname):
try:
return model_query(models.Conductor).\
filter_by(hostname=hostname).\
one()
except NoResultFound:
raise exception.ConductorNotFound(conductor=hostname)
def unregister_conductor(self, hostname):
session = get_session()
with session.begin():
query = model_query(models.Conductor, session=session).\
filter_by(hostname=hostname)
count = query.delete()
if count == 0:
raise exception.ConductorNotFound(conductor=hostname)
def unregister_conductor(self, hostname):
session = get_session()
with session.begin():
query = (model_query(models.Conductor, session=session)
.filter_by(hostname=hostname, online=True))
count = query.update({'online': False})
if count == 0:
raise exception.ConductorNotFound(conductor=hostname)
def touch_conductor(self, hostname):
session = get_session()
with session.begin():
query = model_query(models.Conductor, session=session).\
filter_by(hostname=hostname)
# since we're not changing any other field, manually set updated_at
count = query.update({'updated_at': timeutils.utcnow()})
if count == 0:
raise exception.ConductorNotFound(conductor=hostname)
def touch_conductor(self, hostname):
with _session_for_write():
query = (model_query(models.Conductor)
.filter_by(hostname=hostname))
# since we're not changing any other field, manually set updated_at
# and since we're heartbeating, make sure that online=True
count = query.update({'updated_at': timeutils.utcnow(),
'online': True})
if count == 0:
raise exception.ConductorNotFound(conductor=hostname)
