mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-20 23:46:23 +01:00
103 lines
2.2 KiB
Go
103 lines
2.2 KiB
Go
package remotewrite
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"math/rand"
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"sync/atomic"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/golang/snappy"
|
|
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompb"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
|
|
)
|
|
|
|
func TestClient_Push(t *testing.T) {
|
|
testSrv := newRWServer()
|
|
cfg := Config{
|
|
Addr: testSrv.URL,
|
|
MaxBatchSize: 100,
|
|
}
|
|
client, err := NewClient(context.Background(), cfg)
|
|
if err != nil {
|
|
t.Fatalf("failed to create client: %s", err)
|
|
}
|
|
const rowsN = 1e4
|
|
var sent int
|
|
for i := 0; i < rowsN; i++ {
|
|
s := prompbmarshal.TimeSeries{
|
|
Samples: []prompbmarshal.Sample{{
|
|
Value: rand.Float64(),
|
|
Timestamp: time.Now().Unix(),
|
|
}},
|
|
}
|
|
err := client.Push(s)
|
|
if err == nil {
|
|
sent++
|
|
}
|
|
}
|
|
if sent == 0 {
|
|
t.Fatalf("0 series sent")
|
|
}
|
|
if err := client.Close(); err != nil {
|
|
t.Fatalf("failed to close client: %s", err)
|
|
}
|
|
got := testSrv.accepted()
|
|
if got != sent {
|
|
t.Fatalf("expected to have %d series; got %d", sent, got)
|
|
}
|
|
}
|
|
|
|
func newRWServer() *rwServer {
|
|
rw := &rwServer{}
|
|
rw.Server = httptest.NewServer(http.HandlerFunc(rw.handler))
|
|
return rw
|
|
}
|
|
|
|
type rwServer struct {
|
|
// WARN: ordering of fields is important for alignment!
|
|
// see https://golang.org/pkg/sync/atomic/#pkg-note-BUG
|
|
acceptedRows uint64
|
|
*httptest.Server
|
|
}
|
|
|
|
func (rw *rwServer) accepted() int {
|
|
return int(atomic.LoadUint64(&rw.acceptedRows))
|
|
}
|
|
|
|
func (rw *rwServer) err(w http.ResponseWriter, err error) {
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
w.Write([]byte(err.Error()))
|
|
}
|
|
|
|
func (rw *rwServer) handler(w http.ResponseWriter, r *http.Request) {
|
|
if r.Method != http.MethodPost {
|
|
rw.err(w, fmt.Errorf("bad method %q", r.Method))
|
|
return
|
|
}
|
|
data, err := ioutil.ReadAll(r.Body)
|
|
if err != nil {
|
|
rw.err(w, fmt.Errorf("body read err: %w", err))
|
|
return
|
|
}
|
|
defer func() { _ = r.Body.Close() }()
|
|
|
|
b, err := snappy.Decode(nil, data)
|
|
if err != nil {
|
|
rw.err(w, fmt.Errorf("decode err: %w", err))
|
|
return
|
|
}
|
|
wr := &prompb.WriteRequest{}
|
|
if err := wr.Unmarshal(b); err != nil {
|
|
rw.err(w, fmt.Errorf("unmarhsal err: %w", err))
|
|
return
|
|
}
|
|
atomic.AddUint64(&rw.acceptedRows, uint64(len(wr.Timeseries)))
|
|
w.WriteHeader(http.StatusNoContent)
|
|
}
|