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https://github.com/VictoriaMetrics/VictoriaMetrics.git
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f79406a051
Add the ability to create a simple cluster configuration for tests that do not verify the cluster-specific behavior but instead are focused on the business logic tests, such as API surface or MetricsQL. For such tests this cluster configuration will be enough in most cases. Cluster-specific tests should continue creating custom configurations. --------- Signed-off-by: Artem Fetishev <rtm@victoriametrics.com>
72 lines
2 KiB
Go
72 lines
2 KiB
Go
package tests
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import (
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"fmt"
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"math/rand/v2"
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"testing"
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"github.com/VictoriaMetrics/VictoriaMetrics/apptest"
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)
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func TestClusterMultilevelSelect(t *testing.T) {
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tc := apptest.NewTestCase(t)
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defer tc.Stop()
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// Set up the following multi-level cluster configuration:
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//
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// vmselect (L2) -> vmselect (L1) -> vmstorage <- vminsert
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//
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// vmisert writes data into vmstorage.
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// vmselect (L2) reads that data via vmselect (L1).
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vmstorage := tc.MustStartVmstorage("vmstorage", []string{
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"-storageDataPath=" + tc.Dir() + "/vmstorage",
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})
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vminsert := tc.MustStartVminsert("vminsert", []string{
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"-storageNode=" + vmstorage.VminsertAddr(),
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})
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vmselectL1 := tc.MustStartVmselect("vmselect-level1", []string{
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"-storageNode=" + vmstorage.VmselectAddr(),
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})
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vmselectL2 := tc.MustStartVmselect("vmselect-level2", []string{
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"-storageNode=" + vmselectL1.ClusternativeListenAddr(),
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})
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// Insert 1000 unique time series.
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const numMetrics = 1000
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records := make([]string, numMetrics)
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want := &apptest.PrometheusAPIV1SeriesResponse{
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Status: "success",
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IsPartial: false,
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Data: make([]map[string]string, numMetrics),
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}
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for i := range numMetrics {
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name := fmt.Sprintf("metric_%d", i)
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records[i] = fmt.Sprintf("%s %d", name, rand.IntN(1000))
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want.Data[i] = map[string]string{"__name__": name}
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}
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want.Sort()
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qopts := apptest.QueryOpts{Tenant: "0"}
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vminsert.PrometheusAPIV1ImportPrometheus(t, records, qopts)
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vmstorage.ForceFlush(t)
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// Retrieve all time series and verify that both vmselect (L1) and
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// vmselect (L2) serve the complete set of time series.
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got := func(app *apptest.Vmselect) any {
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res := app.PrometheusAPIV1Series(t, `{__name__=~".*"}`, qopts)
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res.Sort()
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return res
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}
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tc.Assert(&apptest.AssertOptions{
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Msg: "unexpected level-1 series count",
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Got: func() any { return got(vmselectL1) },
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Want: want,
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})
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tc.Assert(&apptest.AssertOptions{
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Msg: "unexpected level-2 series count",
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Got: func() any { return got(vmselectL2) },
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Want: want,
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})
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}
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