observability

type ExpvarLabel struct {
	Name  string
	Value string
}

type ExpvarSample struct {
	Name   string
	Labels []ExpvarLabel
	Int64  *int64
	Float  *float64
}

type MetricsShutdown func(context.Context) error

type OTELMetricsConfig struct {
	Enabled     bool
	Endpoint    string
	Interval    time.Duration
	ServiceName string
	NodeID      string
	NodeRole    string
}

type OTELTracesConfig struct {
	Enabled     bool
	Endpoint    string
	SampleRatio float64
	ServiceName string
	NodeID      string
	NodeRole    string
}

type TracesShutdown func(context.Context) error