def _update(self, context, host, binary, payload):
"""Do the actual update"""
svc = objects.ZunService.get_by_host_and_binary(context, host, binary)
if svc is None:
raise exception.ZunServiceNotFound(binary=binary, host=host)
else:
return svc.update(context, payload)
def destroy_zun_service(self, host, binary):
session = get_session()
with session.begin():
query = model_query(models.ZunService, session=session)
query = query.filter_by(host=host, binary=binary)
count = query.delete()
if count != 1:
raise exception.ZunServiceNotFound(host=host, binary=binary)
def destroy_zun_service(self, host, binary):
try:
self.client.delete('/zun_services/' + host + '_' + binary)
except etcd.EtcdKeyNotFound:
raise exception.ZunServiceNotFound(host=host, binary=binary)
except Exception as e:
LOG.error('Error occurred while destroying zun service: %s',
six.text_type(e))
raise
def get_zun_service(self, host, binary):
try:
service = None
res = self.client.read('/zun_services/' + host + '_' + binary)
service = translate_etcd_result(res, 'zun_service')
except etcd.EtcdKeyNotFound:
raise exception.ZunServiceNotFound(host=host, binary=binary)
except Exception as e:
LOG.error('Error occurred while retrieving zun service: %s',
six.text_type(e))
raise
finally:
return service
def update_zun_service(self, host, binary, values):
try:
target = self.client.read('/zun_services/' + host + '_' + binary)
target_value = json.loads(target.value)
values['updated_at'] = datetime.isoformat(timeutils.utcnow())
target_value.update(values)
target.value = json.dump_as_bytes(target_value)
self.client.update(target)
except etcd.EtcdKeyNotFound:
raise exception.ZunServiceNotFound(host=host, binary=binary)
except Exception as e:
LOG.error('Error occurred while updating service: %s',
six.text_type(e))
raise
def delete(self, host, binary):
"""Delete the specified service.
:param host: The host on which the binary is running.
:param binary: The name of the binary.
"""
context = pecan.request.context
policy.enforce(context,
"zun-service:delete",
action="zun-service:delete")
svc = objects.ZunService.get_by_host_and_binary(context, host, binary)
if svc is None:
raise exception.ZunServiceNotFound(binary=binary, host=host)
else:
svc.destroy(context)
def update_zun_service(self, host, binary, values):
session = get_session()
with session.begin():
query = model_query(models.ZunService, session=session)
query = query.filter_by(host=host, binary=binary)
try:
ref = query.with_lockmode('update').one()
except NoResultFound:
raise exception.ZunServiceNotFound(host=host, binary=binary)
if 'report_count' in values:
if values['report_count'] > ref.report_count:
ref.last_seen_up = timeutils.utcnow()
ref.update(values)
return ref
