monitoring

type DerivedMetric interface {
	// Name returns the name value of a DerivedMetric.
	Name() string

	// Register handles any required setup to ensure metric export.
	Register() error
}

type Event struct {
	Object            runtime.Object
	RelatedObject     runtime.Object
	EventType         EventType
	Reason            string
	Message           string
	Action            string
	ReportingInstance string
}

type EventRecorder struct {
	Client    client.Client
	Logger    *zap.SugaredLogger
	Scheme    *runtime.Scheme
	Version   string
	Cluster   string
	Tenant    string
	Slice     string
	Namespace string
	Component string
}

type EventType string

type Label tag.Key

type LabelValue tag.Mutator

type Metric interface {
	// Increment records a value of 1 for the current measure. For Sums,
	// this is equivalent to adding 1 to the current value. For Gauges,
	// this is equivalent to setting the value to 1. For Distributions,
	// this is equivalent to making an observation of value 1.
	Increment()

	// Decrement records a value of -1 for the current measure. For Sums,
	// this is equivalent to subtracting -1 to the current value. For Gauges,
	// this is equivalent to setting the value to -1. For Distributions,
	// this is equivalent to making an observation of value -1.
	Decrement()

	// Name returns the name value of a Metric.
	Name() string

	// Record makes an observation of the provided value for the given measure.
	Record(value float64)

	// RecordInt makes an observation of the provided value for the measure.
	RecordInt(value int64)
	// With creates a new Metric, with the LabelValues provided. This allows creating
	// a set of pre-dimensioned data for recording purposes. This is primarily used
	// for documentation and convenience. Metrics created with this method do not need
	// to be registered (they share the registration of their parent Metric).
	With(labelValues ...LabelValue) Metric

	// Register configures the Metric for export. It MUST be called before collection
	// of values for the Metric. An error will be returned if registration fails.
	Register() error
}

type Options func(*options)

type RecordHook interface {
	OnRecordFloat64Measure(f *stats.Float64Measure, tags []tag.Mutator, value float64)
	OnRecordInt64Measure(i *stats.Int64Measure, tags []tag.Mutator, value int64)
}

type Unit string