def unstandby_all(self, timeout: int = 120) -> None:
self.connector.unstandby_all()
waiter = Waiter(title='no standby nodes in cluster',
timeout_seconds=timeout,
provider_fn=self.connector.get_nodes,
predicate=non_standby_nodes)
waiter.wait()
def standby_all(self, timeout: int = 120) -> None:
self.connector.standby_all()
waiter = Waiter(title='no running resources',
timeout_seconds=timeout,
provider_fn=self.connector.get_resources,
predicate=all_stopped)
waiter.wait()
def disable_stonith(self, timeout: int = 120) -> None:
resources = self.connector.get_stonith_resources()
for r in resources:
self.connector.disable_resource(r)
waiter = Waiter(title='stonith resources are disabled',
timeout_seconds=timeout,
provider_fn=self.connector.get_stonith_resources,
predicate=all_stopped)
waiter.wait()
def enable_stonith(self, timeout: int = 120) -> None:
resources = self.connector.get_stonith_resources()
for r in resources:
self.connector.enable_resource(r)
def all_started(resource_list: List[Resource]) -> bool:
logging.debug('The following resources are found: %s',
resource_list)
return all(r.active for r in resource_list)
waiter = Waiter(title='stonith resources are enabled',
timeout_seconds=timeout,
provider_fn=self.connector.get_stonith_resources,
predicate=all_started)
waiter.wait()
def shutdown_node(self, node_name: str, timeout: int = 120) -> None:
last_node = self._is_last_online_node(node_name)
logging.debug(
'Checking whether it is possible to shutdown the node %s',
node_name)
self.connector.ensure_shutdown_possible(node_name)
self.connector.standby_node(node_name)
waiter = Waiter(title=f'resources are stopped at node {node_name}',
timeout_seconds=timeout,
provider_fn=self.connector.get_nodes,
predicate=has_no_resources(node_name))
waiter.wait()
if not last_node:
self.connector.shutdown_node(node_name)
else:
logging.info(
'Node %s is the last alive node in the cluster. '
'It will be powered off by means of direct IPMI signal '
'without involving Pacemaker', node_name)
self.connector.manual_shutdown_node(node_name)