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
}
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
}