VictoriaMetrics/apptest/tests/sharding_test.go
Roman Khavronenko 2febd00bb3
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>

(cherry picked from commit e60cce54a8)
Signed-off-by: hagen1778 <roman@victoriametrics.com>
2024-11-08 17:06:55 +01:00

79 lines
2.8 KiB
Go

package tests
import (
"fmt"
"math/rand/v2"
"testing"
"time"
"github.com/VictoriaMetrics/VictoriaMetrics/apptest"
)
func TestClusterVminsertShardsDataVmselectBuildsFullResultFromShards(t *testing.T) {
tc := apptest.NewTestCase(t)
defer tc.Stop()
// Set up the following cluster configuration:
//
// - two vmstorage instances
// - vminsert points to the two vmstorages, its replication setting
// is off which means it will only shard the incoming data across the two
// vmstorages.
// - vmselect points to the two vmstorages and is expected to query both
// vmstorages and build the full result out of the two partial results.
vmstorage1 := tc.MustStartVmstorage("vmstorage-1", []string{
"-storageDataPath=" + tc.Dir() + "/vmstorage-1",
})
vmstorage2 := tc.MustStartVmstorage("vmstorage-2", []string{
"-storageDataPath=" + tc.Dir() + "/vmstorage-2",
})
vminsert := tc.MustStartVminsert("vminsert", []string{
"-storageNode=" + vmstorage1.VminsertAddr() + "," + vmstorage2.VminsertAddr(),
})
vmselect := tc.MustStartVmselect("vmselect", []string{
"-storageNode=" + vmstorage1.VmselectAddr() + "," + vmstorage2.VmselectAddr(),
})
// Insert 1000 unique time series and verify the that inserted data has been
// indeed sharded by checking various metrics exposed by vminsert and
// vmstorage.
// Also wait for 2 seconds to let vminsert and vmstorage servers to update
// the values of the metrics they expose and to let vmstorages 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)
numMetrics1 := vmstorage1.GetIntMetric(t, "vm_vminsert_metrics_read_total")
if numMetrics1 == 0 {
t.Fatalf("storage-1 has no time series")
}
numMetrics2 := vmstorage2.GetIntMetric(t, "vm_vminsert_metrics_read_total")
if numMetrics2 == 0 {
t.Fatalf("storage-2 has no time series")
}
if numMetrics1+numMetrics2 != numMetrics {
t.Fatalf("unxepected total number of metrics: vmstorage-1 (%d) + vmstorage-2 (%d) != %d", numMetrics1, numMetrics2, numMetrics)
}
// Retrieve all time series and verify that vmselect serves the complete set
//of time series.
series := vmselect.PrometheusAPIV1Series(t, `{__name__=~".*"}`, apptest.QueryOpts{Tenant: "0"})
if got, want := series.Status, "success"; got != want {
t.Fatalf("unexpected /ap1/v1/series response status: got %s, want %s", got, want)
}
if got, want := series.IsPartial, false; got != want {
t.Fatalf("unexpected /ap1/v1/series response isPartial value: got %t, want %t", got, want)
}
if got, want := len(series.Data), numMetrics; got != want {
t.Fatalf("unexpected /ap1/v1/series response series count: got %d, want %d", got, want)
}
}