示例#1
0
func (h *httpQueryAPI) QueryRange(ctx context.Context, query string, r Range) (model.Value, error) {
	u := h.client.url(epQueryRange, nil)
	q := u.Query()

	var (
		start = r.Start.Format(time.RFC3339Nano)
		end   = r.End.Format(time.RFC3339Nano)
		step  = strconv.FormatFloat(r.Step.Seconds(), 'f', 3, 64)
	)

	q.Set("query", query)
	q.Set("start", start)
	q.Set("end", end)
	q.Set("step", step)

	u.RawQuery = q.Encode()

	req, _ := http.NewRequest("GET", u.String(), nil)

	_, body, err := h.client.do(ctx, req)
	if err != nil {
		return nil, err
	}

	var qres queryResult
	err = json.Unmarshal(body, &qres)

	return model.Value(qres.v), err
}
示例#2
0
func (h *httpQueryAPI) Query(ctx context.Context, query string, ts time.Time) (model.Value, error) {
	u := h.client.url(epQuery, nil)
	q := u.Query()

	q.Set("query", query)
	q.Set("time", ts.Format(time.RFC3339Nano))

	u.RawQuery = q.Encode()

	req, _ := http.NewRequest("GET", u.String(), nil)

	_, body, err := h.client.do(ctx, req)
	if err != nil {
		return nil, err
	}

	var qres queryResult
	err = json.Unmarshal(body, &qres)

	return model.Value(qres.v), err
}