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790eab3026
### Describe Your Changes This PR continues the implementation of integration tests (#7199). It adds the support for vm-single: - A vmsingle app wrapper has been added - Sample vmsingle tests that test the VM documentation related to querying data (#7435) - The tests use the go-cmp/{cmp,/cmpopts} packages, therefore they have been added to ./vendor - Minor refactoring: data objects have been moved to model.go Advice on porting things to cluster branch: - The build rule must include tests that start with TestVmsingle (similarly to how TestCluster tests are skipped in master branch) - The build rule must depend on `vmstorage vminsert vmselect` instead of `victoria-metrics` - The query_test.go can actually be implemented for cluster as well. To do this the tests need to be renamed to start with TestCluster and the tests must instantiace vm{storage,insert,select} instead of vmsingle. ### Checklist The following checks are **mandatory**: - [x] My change adheres [VictoriaMetrics contributing guidelines](https://docs.victoriametrics.com/contributing/). --------- Signed-off-by: Artem Fetishev <rtm@victoriametrics.com> Signed-off-by: hagen1778 <roman@victoriametrics.com> Co-authored-by: hagen1778 <roman@victoriametrics.com> Signed-off-by: hagen1778 <roman@victoriametrics.com>
68 lines
2.1 KiB
Go
68 lines
2.1 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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"time"
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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.Close()
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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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cli := tc.Client()
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vmstorage := apptest.MustStartVmstorage(t, "vmstorage", []string{
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"-storageDataPath=" + tc.Dir() + "/vmstorage",
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}, cli)
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defer vmstorage.Stop()
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vminsert := apptest.MustStartVminsert(t, "vminsert", []string{
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"-storageNode=" + vmstorage.VminsertAddr(),
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}, cli)
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defer vminsert.Stop()
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vmselectL1 := apptest.MustStartVmselect(t, "vmselect-level1", []string{
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"-storageNode=" + vmstorage.VmselectAddr(),
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}, cli)
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defer vmselectL1.Stop()
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vmselectL2 := apptest.MustStartVmselect(t, "vmselect-level2", []string{
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"-storageNode=" + vmselectL1.ClusternativeListenAddr(),
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}, cli)
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defer vmselectL2.Stop()
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// Insert 1000 unique time series.Wait for 2 seconds to let vmstorage
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// flush pending items so they become searchable.
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const numMetrics = 1000
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records := make([]string, numMetrics)
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for i := range numMetrics {
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records[i] = fmt.Sprintf("metric_%d %d", i, rand.IntN(1000))
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}
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vminsert.PrometheusAPIV1ImportPrometheus(t, records, apptest.QueryOpts{Tenant: "0"})
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time.Sleep(2 * time.Second)
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// Retrieve all time series and verify that vmselect (L1) serves the complete
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// set of time series.
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seriesL1 := vmselectL1.PrometheusAPIV1Series(t, `{__name__=~".*"}`, apptest.QueryOpts{Tenant: "0"})
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if got, want := len(seriesL1.Data), numMetrics; got != want {
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t.Fatalf("unexpected level-1 series count: got %d, want %d", got, want)
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}
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// Retrieve all time series and verify that vmselect (L2) serves the complete
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// set of time series.
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seriesL2 := vmselectL2.PrometheusAPIV1Series(t, `{__name__=~".*"}`, apptest.QueryOpts{Tenant: "0"})
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if got, want := len(seriesL2.Data), numMetrics; got != want {
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t.Fatalf("unexpected level-2 series count: got %d, want %d", got, want)
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}
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}
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