patroni.watchdog.base module

class patroni.watchdog.base.Watchdog(config: patroni.config.Config)

Bases: object

Facade to dynamically manage watchdog implementations and handle config changes.

When activation fails underlying implementation will be switched to a Null implementation. To avoid log spam activation will only be retried when watchdog configuration is changed.

__init__(config: patroni.config.Config) → None

Initialize self. See help(type(self)) for accurate signature.

_activate() → bool

_disable() → None

_set_timeout() → Optional[int]

activate(*args: Any, **kwargs: Any) → Any

disable(*args: Any, **kwargs: Any) → Any

property is_healthy

property is_running

keepalive(*args: Any, **kwargs: Any) → Any

reload_config(*args: Any, **kwargs: Any) → Any

exception patroni.watchdog.base.WatchdogError(value: Any)

Bases: patroni.exceptions.PatroniException

Any problem faced while managing a watchdog device.