コード例 #1
0
ファイル: funcs.go プロジェクト: jareksm/bosun
func bandTSDB(e *State, T miniprofiler.Timer, query, duration, period string, num float64, rfunc func(*Results, *opentsdb.Response, time.Duration) error) (r *Results, err error) {
	r = new(Results)
	r.IgnoreOtherUnjoined = true
	r.IgnoreUnjoined = true
	T.Step("band", func(T miniprofiler.Timer) {
		var d, p opentsdb.Duration
		d, err = opentsdb.ParseDuration(duration)
		if err != nil {
			return
		}
		p, err = opentsdb.ParseDuration(period)
		if err != nil {
			return
		}
		if num < 1 || num > 100 {
			err = fmt.Errorf("num out of bounds")
		}
		var q *opentsdb.Query
		q, err = opentsdb.ParseQuery(query, e.tsdbContext.Version())
		if err != nil {
			return
		}
		if !e.tsdbContext.Version().FilterSupport() {
			if err = e.Search.Expand(q); err != nil {
				return
			}
		}
		req := opentsdb.Request{
			Queries: []*opentsdb.Query{q},
		}
		now := e.now
		req.End = now.Unix()
		req.Start = now.Add(time.Duration(-d)).Unix()
		if err = req.SetTime(e.now); err != nil {
			return
		}
		for i := 0; i < int(num); i++ {
			now = now.Add(time.Duration(-p))
			req.End = now.Unix()
			req.Start = now.Add(time.Duration(-d)).Unix()
			var s opentsdb.ResponseSet
			s, err = timeTSDBRequest(e, T, &req)
			if err != nil {
				return
			}
			for _, res := range s {
				if e.squelched(res.Tags) {
					continue
				}
				//offset := e.now.Sub(now.Add(time.Duration(p-d)))
				offset := e.now.Sub(now)
				if err = rfunc(r, res, offset); err != nil {
					return
				}
			}
		}
	})
	return
}
コード例 #2
0
ファイル: funcs.go プロジェクト: jareksm/bosun
func Query(e *State, T miniprofiler.Timer, query, sduration, eduration string) (r *Results, err error) {
	r = new(Results)
	q, err := opentsdb.ParseQuery(query, e.tsdbContext.Version())
	if q == nil && err != nil {
		return
	}
	if !e.tsdbContext.Version().FilterSupport() {
		if err = e.Search.Expand(q); err != nil {
			return
		}
	}
	sd, err := opentsdb.ParseDuration(sduration)
	if err != nil {
		return
	}
	req := opentsdb.Request{
		Queries: []*opentsdb.Query{q},
		Start:   fmt.Sprintf("%s-ago", sd),
	}
	if eduration != "" {
		var ed opentsdb.Duration
		ed, err = opentsdb.ParseDuration(eduration)
		if err != nil {
			return
		}
		req.End = fmt.Sprintf("%s-ago", ed)
	}
	var s opentsdb.ResponseSet
	if err = req.SetTime(e.now); err != nil {
		return
	}
	s, err = timeTSDBRequest(e, T, &req)
	if err != nil {
		return
	}
	for _, res := range s {
		if e.squelched(res.Tags) {
			continue
		}
		values := make(Series)
		for k, v := range res.DPS {
			i, err := strconv.ParseInt(k, 10, 64)
			if err != nil {
				return nil, err
			}
			values[time.Unix(i, 0).UTC()] = float64(v)
		}
		r.Results = append(r.Results, &Result{
			Value: values,
			Group: res.Tags,
		})
	}
	return
}
コード例 #3
0
ファイル: funcs.go プロジェクト: pdf/bosun
func tagQuery(args []parse.Node) (parse.Tags, error) {
	n := args[0].(*parse.StringNode)
	q, err := opentsdb.ParseQuery(n.Text)
	if q == nil && err != nil {
		return nil, err
	}
	t := make(parse.Tags)
	for k := range q.Tags {
		t[k] = struct{}{}
	}
	return t, nil
}
コード例 #4
0
ファイル: funcs.go プロジェクト: jareksm/bosun
func tagQuery(args []parse.Node) (parse.Tags, error) {
	n := args[0].(*parse.StringNode)
	// Since all 2.1 queries are valid 2.2 queries, at this time
	// we can just use 2.2 to parse to identify group by tags
	q, err := opentsdb.ParseQuery(n.Text, opentsdb.Version2_2)
	if q == nil && err != nil {
		return nil, err
	}
	t := make(parse.Tags)
	for k := range q.GroupByTags {
		t[k] = struct{}{}
	}
	return t, nil
}
コード例 #5
0
ファイル: funcs.go プロジェクト: jareksm/bosun
func Over(e *State, T miniprofiler.Timer, query, duration, period string, num float64) (r *Results, err error) {
	r = new(Results)
	r.IgnoreOtherUnjoined = true
	r.IgnoreUnjoined = true
	T.Step("band", func(T miniprofiler.Timer) {
		var d, p opentsdb.Duration
		d, err = opentsdb.ParseDuration(duration)
		if err != nil {
			return
		}
		p, err = opentsdb.ParseDuration(period)
		if err != nil {
			return
		}
		if num < 1 || num > 100 {
			err = fmt.Errorf("num out of bounds")
		}
		var q *opentsdb.Query
		q, err = opentsdb.ParseQuery(query, e.tsdbContext.Version())
		if err != nil {
			return
		}
		if !e.tsdbContext.Version().FilterSupport() {
			if err = e.Search.Expand(q); err != nil {
				return
			}
		}
		req := opentsdb.Request{
			Queries: []*opentsdb.Query{q},
		}
		now := e.now
		req.End = now.Unix()
		req.Start = now.Add(time.Duration(-d)).Unix()
		for i := 0; i < int(num); i++ {
			var s opentsdb.ResponseSet
			s, err = timeTSDBRequest(e, T, &req)
			if err != nil {
				return
			}
			offset := e.now.Sub(now)
			for _, res := range s {
				if e.squelched(res.Tags) {
					continue
				}
				values := make(Series)
				a := &Result{Group: res.Tags.Merge(opentsdb.TagSet{"shift": offset.String()})}
				for k, v := range res.DPS {
					i, err := strconv.ParseInt(k, 10, 64)
					if err != nil {
						return
					}
					values[time.Unix(i, 0).Add(offset).UTC()] = float64(v)
				}
				a.Value = values
				r.Results = append(r.Results, a)
			}
			now = now.Add(time.Duration(-p))
			req.End = now.Unix()
			req.Start = now.Add(time.Duration(-d)).Unix()
		}
	})
	return
}
コード例 #6
0
ファイル: funcs.go プロジェクト: Skyscanner/bosun
func bandRangeTSDB(e *State, T miniprofiler.Timer, query, rangeStart, rangeEnd, period string, num float64, rfunc func(*Results, *opentsdb.Response) error) (r *Results, err error) {

	r = new(Results)
	r.IgnoreOtherUnjoined = true
	r.IgnoreUnjoined = true
	T.Step("bandRange", func(T miniprofiler.Timer) {
		var from, to, p opentsdb.Duration
		from, err = opentsdb.ParseDuration(rangeStart)
		if err != nil {
			return
		}

		to, err = opentsdb.ParseDuration(rangeEnd)
		if err != nil {
			return
		}

		p, err = opentsdb.ParseDuration(period)
		if err != nil {
			return
		}

		if num < 1 || num > 100 {
			err = fmt.Errorf("num out of bounds")
		}
		var q *opentsdb.Query
		q, err = opentsdb.ParseQuery(query, e.tsdbContext.Version())
		if err != nil {
			return
		}

		if err = e.Search.Expand(q); err != nil {
			return
		}

		req := opentsdb.Request{
			Queries: []*opentsdb.Query{q},
		}
		now := e.now

		req.End = now.Unix()
		st := now.Add(time.Duration(from)).Unix()
		req.Start = st

		if err = req.SetTime(e.now); err != nil {
			return
		}

		for i := 0; i < int(num); i++ {
			now = now.Add(time.Duration(-p))
			end := now.Add(time.Duration(-to)).Unix()
			req.End = &end
			st := now.Add(time.Duration(-from)).Unix()
			req.Start = &st

			var s opentsdb.ResponseSet
			s, err = timeTSDBRequest(e, T, &req)
			if err != nil {
				return
			}
			for _, res := range s {
				if e.squelched(res.Tags) {
					continue
				}
				if err = rfunc(r, res); err != nil {
					return
				}
			}
		}
	})
	return
}
コード例 #7
0
ファイル: funcs.go プロジェクト: reduxdj/grafana
func Band(e *State, T miniprofiler.Timer, query, duration, period string, num float64) (r *Results, err error) {
	r = new(Results)
	r.IgnoreOtherUnjoined = true
	r.IgnoreUnjoined = true
	T.Step("band", func(T miniprofiler.Timer) {
		var d, p opentsdb.Duration
		d, err = opentsdb.ParseDuration(duration)
		if err != nil {
			return
		}
		p, err = opentsdb.ParseDuration(period)
		if err != nil {
			return
		}
		if num < 1 || num > 100 {
			err = fmt.Errorf("expr: Band: num out of bounds")
		}
		q, err := opentsdb.ParseQuery(query)
		if q == nil && err != nil {
			return
		}
		if err = e.Search.Expand(q); err != nil {
			return
		}
		req := opentsdb.Request{
			Queries: []*opentsdb.Query{q},
		}
		now := e.now
		req.End = now.Unix()
		req.Start = now.Add(time.Duration(-d)).Unix()
		if err = req.SetTime(e.now); err != nil {
			return
		}
		for i := 0; i < int(num); i++ {
			now = now.Add(time.Duration(-p))
			req.End = now.Unix()
			req.Start = now.Add(time.Duration(-d)).Unix()
			var s opentsdb.ResponseSet
			s, err = timeTSDBRequest(e, T, &req)
			if err != nil {
				return
			}
			for _, res := range s {
				if e.squelched(res.Tags) {
					continue
				}
				newarr := true
				for _, a := range r.Results {
					if !a.Group.Equal(res.Tags) {
						continue
					}
					newarr = false
					values := a.Value.(Series)
					for k, v := range res.DPS {
						i, e := strconv.ParseInt(k, 10, 64)
						if e != nil {
							err = e
							return
						}
						values[time.Unix(i, 0).UTC()] = float64(v)
					}
				}
				if newarr {
					values := make(Series)
					a := &Result{Group: res.Tags}
					for k, v := range res.DPS {
						i, e := strconv.ParseInt(k, 10, 64)
						if e != nil {
							err = e
							return
						}
						values[time.Unix(i, 0).UTC()] = float64(v)
					}
					a.Value = values
					r.Results = append(r.Results, a)
				}
			}
		}
	})
	return
}