def _run_task(self, task, nodes):
ips = nodes.get_ips()
if not ips:
raise error.ServiceError('Node collection is empty')
results = self.cloud_management.execute_on_cloud(ips, task)
err = False
for result in results:
if result.status != executor.STATUS_OK:
LOG.error('Task {} failed on node {}'.format(
task, result.host))
err = True
if err:
raise error.ServiceError('Task failed on some nodes')
return results
def _run_task(self, nodes, task, message):
nodes = nodes if nodes is not None else self.get_nodes()
if len(nodes) == 0:
raise error.ServiceError(
'Service %s is not found on any nodes' % self.service_name)
LOG.info('%s service %s on nodes: %s',
message, self.service_name, nodes.get_ips())
return self.cloud_management.execute_on_cloud(nodes.hosts, task)
def get_service(self, name):
"""Get service with specified name
:param name: name of the serives
:return: Service
"""
if name in self.SERVICE_NAME_TO_CLASS:
klazz = self.SERVICE_NAME_TO_CLASS[name]
return klazz(node_cls=self.NODE_CLS,
cloud_management=self,
power_management=self.power_management)
raise error.ServiceError(
'{} driver does not support {!r} service'.format(
self.NAME.title(), name))
def get_service(self, name):
"""Get service with specified name
:param name: name of the service
:return: Service
"""
if name not in self.services:
raise error.ServiceError(
'{} driver does not support {!r} service'.format(
self.NAME.title(), name))
config = self.services[name]
klazz = registry.get_driver(config["driver"])
return klazz(node_cls=self.NODE_CLS, cloud_management=self,
service_name=name, config=config["args"],
hosts=config.get('hosts'))
def _run_task(self, task, nodes):
if len(nodes) == 0:
raise error.ServiceError('Node collection is empty')
return self.cloud_management.execute_on_cloud(nodes.hosts, task)
