plugin

type FleetPlugin struct {
	goplugin.Plugin
	Impl fleet.Backend // populated only on the plugin (serving) side
}

type LaunchConfig struct {
	Dir  string   // default /etc/ggscale/plugins
	Name string   // suffix after ggscale-fleet-; matches FLEET_BACKEND=plugin:<name>
	Env  []string // extra env appended to os.Environ() for the subprocess
}

type Manifest struct {
	Name            string
	Version         string
	ProtocolVersion int
	// SHA256 is the hex-encoded expected hash of the plugin binary. Empty
	// means the manifest declines integrity enforcement (warn-only path);
	// a non-empty value is verified before launch and a mismatch refuses
	// to start the plugin.
	SHA256 string
}

type Plugin struct {
	fleet.Backend
	// contains filtered or unexported fields
}

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

type SupervisorConfig struct {
	Launch       LaunchConfig
	MaxRestarts  int           // default 3
	PollInterval time.Duration // default 1s
	// MaxBackoff caps the exponential backoff applied between restart
	// attempts. Default 30s.
	MaxBackoff time.Duration

	// PingInterval catches hung-but-alive plugins that Exited() can't see.
	PingInterval      time.Duration // default 10s
	PingFailureBudget int           // default 3
	// HealthResetThreshold is how many consecutive successful pings reset
	// the restart counter. A single healthy probe used to do it, which
	// let a flapping plugin restart forever; default 30 (~5 min at 10s
	// PingInterval).
	HealthResetThreshold int
}