conditions

Documentation

Index

• type AlertEvaluator
  • func NewAlertEvaluator(model *simplejson.Json) (AlertEvaluator, error)
• type AlertQuery
• type NoValueEvaluator
  • func (e *NoValueEvaluator) Eval(reducedValue null.Float) bool
• type QueryCondition
  • func NewQueryCondition(model *simplejson.Json, index int) (*QueryCondition, error)
  • func (c *QueryCondition) Eval(context *alerting.EvalContext) (*alerting.ConditionResult, error)
• type QueryReducer
• type RangedEvaluator
  • func (e *RangedEvaluator) Eval(reducedValue null.Float) bool
• type SimpleReducer
  • func NewSimpleReducer(typ string) *SimpleReducer
  • func (s *SimpleReducer) Reduce(series *tsdb.TimeSeries) null.Float
• type ThresholdEvaluator
  • func (e *ThresholdEvaluator) Eval(reducedValue null.Float) bool

Types

type AlertEvaluator

type AlertEvaluator interface {
	Eval(reducedValue null.Float) bool
}

func NewAlertEvaluator

func NewAlertEvaluator(model *simplejson.Json) (AlertEvaluator, error)

type AlertQuery

type AlertQuery struct {
	Model        *simplejson.Json
	DatasourceId int64
	From         string
	To           string
}

type NoValueEvaluator

type NoValueEvaluator struct{}

func (*NoValueEvaluator) Eval

func (e *NoValueEvaluator) Eval(reducedValue null.Float) bool

type QueryCondition

type QueryCondition struct {
	Index         int
	Query         AlertQuery
	Reducer       QueryReducer
	Evaluator     AlertEvaluator
	Operator      string
	HandleRequest tsdb.HandleRequestFunc
}

func NewQueryCondition

func NewQueryCondition(model *simplejson.Json, index int) (*QueryCondition, error)

func (*QueryCondition) Eval

func (c *QueryCondition) Eval(context *alerting.EvalContext) (*alerting.ConditionResult, error)

type QueryReducer

type QueryReducer interface {
	Reduce(timeSeries *tsdb.TimeSeries) null.Float
}

type RangedEvaluator

type RangedEvaluator struct {
	Type  string
	Lower float64
	Upper float64
}

func (*RangedEvaluator) Eval

func (e *RangedEvaluator) Eval(reducedValue null.Float) bool

type SimpleReducer

type SimpleReducer struct {
	Type string
}

func NewSimpleReducer

func NewSimpleReducer(typ string) *SimpleReducer

func (*SimpleReducer) Reduce

func (s *SimpleReducer) Reduce(series *tsdb.TimeSeries) null.Float

type ThresholdEvaluator

type ThresholdEvaluator struct {
	Type      string
	Threshold float64
}

func (*ThresholdEvaluator) Eval

func (e *ThresholdEvaluator) Eval(reducedValue null.Float) bool