watchdog

Documentation

Index

• type HealthCheckFn
• type Systemd
  • func DefaultSystemd() Systemd
• type Watchdog
  • func New(healthCheckers ...HealthCheckFn) *Watchdog
  • func (w *Watchdog) Notifications() uint64
  • func (w *Watchdog) Start(ctx context.Context) error

Types

type HealthCheckFn

type HealthCheckFn func(context.Context, time.Duration) error

HealthCheckFn is the health checker function type definition.

type Systemd

type Systemd interface {
	WatchdogEnabled() (time.Duration, error)
	Notify(string) (bool, error)
}

Systemd is the main interface for supported systemd functionality.

func DefaultSystemd

func DefaultSystemd() Systemd

DefaultSystemd returns the default systemd implementation.

type Watchdog

type Watchdog struct {
	// contains filtered or unexported fields
}

Watchdog is the main structure for this package.

func New

func New(healthCheckers ...HealthCheckFn) *Watchdog

New creates a new systemd Watchdog instance.

func (*Watchdog) Notifications

func (w *Watchdog) Notifications() uint64

Notifications returns the amount of done systemd notifications.

func (*Watchdog) Start

func (w *Watchdog) Start(ctx context.Context) error

Start runs the watchdog.