watchdog

Documentation

Index

• type DefaultWatchdogClient
  • func (d *DefaultWatchdogClient) SdNotify(unsetEnvironment bool) (bool, error)
  • func (d *DefaultWatchdogClient) SdWatchdogEnabled(unsetEnvironment bool) (time.Duration, error)
• type HealthChecker
  • func NewHealthChecker(syncLoop syncLoopHealthChecker, opts ...Option) (HealthChecker, error)
• type Option
  • func WithExtendedCheckers(checkers []healthz.HealthChecker) Option
  • func WithWatchdogClient(watchdog WatchdogClient) Option
• type WatchdogClient

Types

type DefaultWatchdogClient

type DefaultWatchdogClient struct{}

DefaultWatchdogClient implements the WatchdogClient interface using the actual systemd daemon functions.

func (*DefaultWatchdogClient) SdNotify

func (d *DefaultWatchdogClient) SdNotify(unsetEnvironment bool) (bool, error)

func (*DefaultWatchdogClient) SdWatchdogEnabled

func (d *DefaultWatchdogClient) SdWatchdogEnabled(unsetEnvironment bool) (time.Duration, error)

type HealthChecker

type HealthChecker interface {
	Start()
}

HealthChecker defines the interface of health checkers.

func NewHealthChecker

func NewHealthChecker(syncLoop syncLoopHealthChecker, opts ...Option) (HealthChecker, error)

NewHealthChecker creates a new HealthChecker instance. This function initializes the health checker and configures its behavior based on the status of the systemd watchdog. If the watchdog is not enabled, the function returns an error.

type Option

type Option func(*healthChecker)

Option defines optional parameters for initializing the healthChecker structure.

func WithExtendedCheckers

func WithExtendedCheckers(checkers []healthz.HealthChecker) Option

func WithWatchdogClient

func WithWatchdogClient(watchdog WatchdogClient) Option

type WatchdogClient

type WatchdogClient interface {
	SdWatchdogEnabled(unsetEnvironment bool) (time.Duration, error)
	SdNotify(unsetEnvironment bool) (bool, error)
}

WatchdogClient defines the interface for interacting with the systemd watchdog.