VictoriaMetrics/apptest/tests/multilevel_test.go
Roman Khavronenko e60cce54a8
tests: couple applications and test suit (#7476)
* make test suite responisble for stopping apps
* reuse test suite fields to simplify function signatures

---------

Signed-off-by: hagen1778 <roman@victoriametrics.com>
2024-11-08 14:49:00 +01:00

62 lines
1.9 KiB
Go

package tests
import (
"fmt"
"math/rand/v2"
"testing"
"time"
"github.com/VictoriaMetrics/VictoriaMetrics/apptest"
)
func TestClusterMultilevelSelect(t *testing.T) {
tc := apptest.NewTestCase(t)
defer tc.Stop()
// Set up the following multi-level cluster configuration:
//
// vmselect (L2) -> vmselect (L1) -> vmstorage <- vminsert
//
// vmisert writes data into vmstorage.
// vmselect (L2) reads that data via vmselect (L1).
vmstorage := tc.MustStartVmstorage("vmstorage", []string{
"-storageDataPath=" + tc.Dir() + "/vmstorage",
})
vminsert := tc.MustStartVminsert("vminsert", []string{
"-storageNode=" + vmstorage.VminsertAddr(),
})
vmselectL1 := tc.MustStartVmselect("vmselect-level1", []string{
"-storageNode=" + vmstorage.VmselectAddr(),
})
vmselectL2 := tc.MustStartVmselect("vmselect-level2", []string{
"-storageNode=" + vmselectL1.ClusternativeListenAddr(),
})
// Insert 1000 unique time series.Wait for 2 seconds to let vmstorage
// flush pending items so they become searchable.
const numMetrics = 1000
records := make([]string, numMetrics)
for i := range numMetrics {
records[i] = fmt.Sprintf("metric_%d %d", i, rand.IntN(1000))
}
vminsert.PrometheusAPIV1ImportPrometheus(t, records, apptest.QueryOpts{Tenant: "0"})
time.Sleep(2 * time.Second)
// Retrieve all time series and verify that vmselect (L1) serves the complete
// set of time series.
seriesL1 := vmselectL1.PrometheusAPIV1Series(t, `{__name__=~".*"}`, apptest.QueryOpts{Tenant: "0"})
if got, want := len(seriesL1.Data), numMetrics; got != want {
t.Fatalf("unexpected level-1 series count: got %d, want %d", got, want)
}
// Retrieve all time series and verify that vmselect (L2) serves the complete
// set of time series.
seriesL2 := vmselectL2.PrometheusAPIV1Series(t, `{__name__=~".*"}`, apptest.QueryOpts{Tenant: "0"})
if got, want := len(seriesL2.Data), numMetrics; got != want {
t.Fatalf("unexpected level-2 series count: got %d, want %d", got, want)
}
}