mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
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app/vmctl: add remote read protocol integration tests (#3626)
This commit is contained in:
Dmytro Kozlov
GitHub
parent
b4ad3a3b4c
commit
20af29294e
319
app/vmctl/remote_read_test.go
Normal file
319
app/vmctl/remote_read_test.go
Normal file
@ -0,0 +1,319 @@
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package main
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import (
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"context"
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"testing"
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"time"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vmctl/remoteread"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vmctl/stepper"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vmctl/testdata/servers_integration_test"
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"github.com/VictoriaMetrics/VictoriaMetrics/app/vmctl/vm"
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"github.com/prometheus/prometheus/prompb"
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)
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func TestRemoteRead(t *testing.T) {
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var testCases = []struct {
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name string
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remoteReadConfig remoteread.Config
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vmCfg vm.Config
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start string
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end string
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numOfSamples int64
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numOfSeries int64
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rrp remoteReadProcessor
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chunk string
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remoteReadSeries func(start, end, numOfSeries, numOfSamples int64) []*prompb.TimeSeries
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expectedSeries []vm.TimeSeries
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}{
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{
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name: "step minute on minute time range",
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remoteReadConfig: remoteread.Config{Addr: "", LabelName: "__name__", LabelValue: ".*"},
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vmCfg: vm.Config{Addr: "", Concurrency: 1, DisableProgressBar: true},
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start: "2022-11-26T11:23:05+02:00",
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end: "2022-11-26T11:24:05+02:00",
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numOfSamples: 2,
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numOfSeries: 3,
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chunk: stepper.StepMinute,
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remoteReadSeries: remote_read_integration.GenerateRemoteReadSeries,
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expectedSeries: []vm.TimeSeries{
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{
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Name: "vm_metric_1",
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LabelPairs: []vm.LabelPair{{Name: "job", Value: "0"}},
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Timestamps: []int64{1669454585000, 1669454615000},
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Values: []float64{0, 0},
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},
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{
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Name: "vm_metric_1",
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LabelPairs: []vm.LabelPair{{Name: "job", Value: "1"}},
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Timestamps: []int64{1669454585000, 1669454615000},
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Values: []float64{100, 100},
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},
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{
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Name: "vm_metric_1",
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LabelPairs: []vm.LabelPair{{Name: "job", Value: "2"}},
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Timestamps: []int64{1669454585000, 1669454615000},
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Values: []float64{200, 200},
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},
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},
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},
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{
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name: "step month on month time range",
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remoteReadConfig: remoteread.Config{Addr: "", LabelName: "__name__", LabelValue: ".*"},
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vmCfg: vm.Config{Addr: "", Concurrency: 1, DisableProgressBar: true},
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start: "2022-09-26T11:23:05+02:00",
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end: "2022-11-26T11:24:05+02:00",
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numOfSamples: 2,
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numOfSeries: 3,
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chunk: stepper.StepMonth,
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remoteReadSeries: remote_read_integration.GenerateRemoteReadSeries,
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expectedSeries: []vm.TimeSeries{
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{
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Name: "vm_metric_1",
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LabelPairs: []vm.LabelPair{{Name: "job", Value: "0"}},
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Timestamps: []int64{1664184185000},
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Values: []float64{0},
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},
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{
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Name: "vm_metric_1",
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LabelPairs: []vm.LabelPair{{Name: "job", Value: "1"}},
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Timestamps: []int64{1664184185000},
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Values: []float64{100},
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},
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{
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Name: "vm_metric_1",
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LabelPairs: []vm.LabelPair{{Name: "job", Value: "2"}},
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Timestamps: []int64{1664184185000},
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Values: []float64{200},
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},
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{
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Name: "vm_metric_1",
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LabelPairs: []vm.LabelPair{{Name: "job", Value: "0"}},
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Timestamps: []int64{1666819415000},
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Values: []float64{0},
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},
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{
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Name: "vm_metric_1",
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LabelPairs: []vm.LabelPair{{Name: "job", Value: "1"}},
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Timestamps: []int64{1666819415000},
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Values: []float64{100},
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},
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{
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Name: "vm_metric_1",
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LabelPairs: []vm.LabelPair{{Name: "job", Value: "2"}},
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Timestamps: []int64{1666819415000},
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Values: []float64{200}},
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},
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},
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}
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for _, tt := range testCases {
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t.Run(tt.name, func(t *testing.T) {
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remoteReadServer := remote_read_integration.NewRemoteReadServer(t)
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defer remoteReadServer.Close()
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remoteWriteServer := remote_read_integration.NewRemoteWriteServer(t)
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defer remoteWriteServer.Close()
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tt.remoteReadConfig.Addr = remoteReadServer.URL()
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rr, err := remoteread.NewClient(tt.remoteReadConfig)
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if err != nil {
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t.Fatalf("error create remote read client: %s", err)
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}
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start, err := time.Parse(time.RFC3339, tt.start)
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if err != nil {
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t.Fatalf("Error parse start time: %s", err)
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}
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end, err := time.Parse(time.RFC3339, tt.end)
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if err != nil {
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t.Fatalf("Error parse end time: %s", err)
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}
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rrs := tt.remoteReadSeries(start.Unix(), end.Unix(), tt.numOfSeries, tt.numOfSamples)
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remoteReadServer.SetRemoteReadSeries(rrs)
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remoteWriteServer.ExpectedSeries(tt.expectedSeries)
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tt.vmCfg.Addr = remoteWriteServer.URL()
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importer, err := vm.NewImporter(tt.vmCfg)
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if err != nil {
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t.Fatalf("failed to create VM importer: %s", err)
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}
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defer importer.Close()
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rmp := remoteReadProcessor{
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src: rr,
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dst: importer,
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filter: remoteReadFilter{
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timeStart: &start,
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timeEnd: &end,
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chunk: tt.chunk,
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},
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cc: 1,
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}
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ctx := context.Background()
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err = rmp.run(ctx, true, false)
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if err != nil {
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t.Fatalf("failed to run remote read processor: %s", err)
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}
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})
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}
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}
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func TestSteamRemoteRead(t *testing.T) {
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var testCases = []struct {
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name string
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remoteReadConfig remoteread.Config
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vmCfg vm.Config
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start string
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end string
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numOfSamples int64
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numOfSeries int64
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rrp remoteReadProcessor
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chunk string
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remoteReadSeries func(start, end, numOfSeries, numOfSamples int64) []*prompb.TimeSeries
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expectedSeries []vm.TimeSeries
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}{
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{
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name: "step minute on minute time range",
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remoteReadConfig: remoteread.Config{Addr: "", LabelName: "__name__", LabelValue: ".*", UseStream: true},
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vmCfg: vm.Config{Addr: "", Concurrency: 1, DisableProgressBar: true},
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start: "2022-11-26T11:23:05+02:00",
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end: "2022-11-26T11:24:05+02:00",
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numOfSamples: 2,
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numOfSeries: 3,
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chunk: stepper.StepMinute,
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remoteReadSeries: remote_read_integration.GenerateRemoteReadSeries,
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expectedSeries: []vm.TimeSeries{
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{
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Name: "vm_metric_1",
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LabelPairs: []vm.LabelPair{{Name: "job", Value: "0"}},
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Timestamps: []int64{1669454585000, 1669454615000},
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Values: []float64{0, 0},
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},
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{
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Name: "vm_metric_1",
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LabelPairs: []vm.LabelPair{{Name: "job", Value: "1"}},
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Timestamps: []int64{1669454585000, 1669454615000},
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Values: []float64{100, 100},
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},
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{
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Name: "vm_metric_1",
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LabelPairs: []vm.LabelPair{{Name: "job", Value: "2"}},
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Timestamps: []int64{1669454585000, 1669454615000},
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Values: []float64{200, 200},
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},
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},
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},
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{
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name: "step month on month time range",
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remoteReadConfig: remoteread.Config{Addr: "", LabelName: "__name__", LabelValue: ".*", UseStream: true},
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vmCfg: vm.Config{Addr: "", Concurrency: 1, DisableProgressBar: true},
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start: "2022-09-26T11:23:05+02:00",
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end: "2022-11-26T11:24:05+02:00",
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numOfSamples: 2,
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numOfSeries: 3,
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chunk: stepper.StepMonth,
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remoteReadSeries: remote_read_integration.GenerateRemoteReadSeries,
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expectedSeries: []vm.TimeSeries{
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{
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Name: "vm_metric_1",
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LabelPairs: []vm.LabelPair{{Name: "job", Value: "0"}},
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Timestamps: []int64{1664184185000},
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Values: []float64{0},
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},
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{
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Name: "vm_metric_1",
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LabelPairs: []vm.LabelPair{{Name: "job", Value: "1"}},
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Timestamps: []int64{1664184185000},
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Values: []float64{100},
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},
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{
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Name: "vm_metric_1",
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LabelPairs: []vm.LabelPair{{Name: "job", Value: "2"}},
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Timestamps: []int64{1664184185000},
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Values: []float64{200},
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},
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{
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Name: "vm_metric_1",
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LabelPairs: []vm.LabelPair{{Name: "job", Value: "0"}},
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Timestamps: []int64{1666819415000},
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Values: []float64{0},
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},
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{
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Name: "vm_metric_1",
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LabelPairs: []vm.LabelPair{{Name: "job", Value: "1"}},
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Timestamps: []int64{1666819415000},
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Values: []float64{100},
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},
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{
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Name: "vm_metric_1",
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LabelPairs: []vm.LabelPair{{Name: "job", Value: "2"}},
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Timestamps: []int64{1666819415000},
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Values: []float64{200}},
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},
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},
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}
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for _, tt := range testCases {
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t.Run(tt.name, func(t *testing.T) {
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remoteReadServer := remote_read_integration.NewRemoteReadStreamServer(t)
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defer remoteReadServer.Close()
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remoteWriteServer := remote_read_integration.NewRemoteWriteServer(t)
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defer remoteWriteServer.Close()
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tt.remoteReadConfig.Addr = remoteReadServer.URL()
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rr, err := remoteread.NewClient(tt.remoteReadConfig)
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if err != nil {
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t.Fatalf("error create remote read client: %s", err)
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}
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start, err := time.Parse(time.RFC3339, tt.start)
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if err != nil {
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t.Fatalf("Error parse start time: %s", err)
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}
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end, err := time.Parse(time.RFC3339, tt.end)
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if err != nil {
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t.Fatalf("Error parse end time: %s", err)
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}
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rrs := tt.remoteReadSeries(start.Unix(), end.Unix(), tt.numOfSeries, tt.numOfSamples)
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remoteReadServer.InitMockStorage(rrs)
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remoteWriteServer.ExpectedSeries(tt.expectedSeries)
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tt.vmCfg.Addr = remoteWriteServer.URL()
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importer, err := vm.NewImporter(tt.vmCfg)
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if err != nil {
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t.Fatalf("failed to create VM importer: %s", err)
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}
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defer importer.Close()
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rmp := remoteReadProcessor{
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src: rr,
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dst: importer,
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filter: remoteReadFilter{
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timeStart: &start,
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timeEnd: &end,
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chunk: tt.chunk,
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},
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cc: 1,
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}
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ctx := context.Background()
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err = rmp.run(ctx, true, false)
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if err != nil {
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t.Fatalf("failed to run remote read processor: %s", err)
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}
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})
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}
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}
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366
app/vmctl/testdata/servers_integration_test/remote_read_server.go
vendored
Normal file
366
app/vmctl/testdata/servers_integration_test/remote_read_server.go
vendored
Normal file
@ -0,0 +1,366 @@
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package remote_read_integration
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import (
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"context"
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"fmt"
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"io"
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"net/http"
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"net/http/httptest"
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"strconv"
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"strings"
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"testing"
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"github.com/gogo/protobuf/proto"
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"github.com/golang/snappy"
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"github.com/prometheus/prometheus/model/labels"
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"github.com/prometheus/prometheus/prompb"
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"github.com/prometheus/prometheus/storage/remote"
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)
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const (
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maxBytesInFrame = 1024 * 1024
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)
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type RemoteReadServer struct {
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server *httptest.Server
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series []*prompb.TimeSeries
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storage *MockStorage
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}
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// NewRemoteReadServer creates a remote read server. It exposes a single endpoint and responds with the
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// passed series based on the request to the read endpoint. It returns a server which should be closed after
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// being used.
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func NewRemoteReadServer(t *testing.T) *RemoteReadServer {
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rrs := &RemoteReadServer{
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series: make([]*prompb.TimeSeries, 0),
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}
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rrs.server = httptest.NewServer(rrs.getReadHandler(t))
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return rrs
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}
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// Close closes the server.
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func (rrs *RemoteReadServer) Close() {
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rrs.server.Close()
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}
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func (rrs *RemoteReadServer) URL() string {
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return rrs.server.URL
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}
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func (rrs *RemoteReadServer) SetRemoteReadSeries(series []*prompb.TimeSeries) {
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rrs.series = append(rrs.series, series...)
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}
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func (rrs *RemoteReadServer) getReadHandler(t *testing.T) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if !validateReadHeaders(t, r) {
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t.Fatalf("invalid read headers")
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}
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compressed, err := io.ReadAll(r.Body)
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if err != nil {
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t.Fatalf("error read body: %s", err)
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}
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reqBuf, err := snappy.Decode(nil, compressed)
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if err != nil {
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t.Fatalf("error decode compressed data:%s", err)
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}
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var req prompb.ReadRequest
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if err := proto.Unmarshal(reqBuf, &req); err != nil {
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t.Fatalf("error unmarshal read request: %s", err)
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}
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resp := &prompb.ReadResponse{
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Results: make([]*prompb.QueryResult, len(req.Queries)),
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}
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for i, r := range req.Queries {
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startTs := r.StartTimestampMs
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endTs := r.EndTimestampMs
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ts := make([]*prompb.TimeSeries, len(rrs.series))
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for i, s := range rrs.series {
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var samples []prompb.Sample
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for _, sample := range s.Samples {
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if sample.Timestamp >= startTs && sample.Timestamp < endTs {
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samples = append(samples, sample)
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}
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}
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var series prompb.TimeSeries
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if len(samples) > 0 {
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series.Labels = s.Labels
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series.Samples = samples
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}
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ts[i] = &series
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}
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resp.Results[i] = &prompb.QueryResult{Timeseries: ts}
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data, err := proto.Marshal(resp)
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if err != nil {
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t.Fatalf("error marshal response: %s", err)
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}
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compressed = snappy.Encode(nil, data)
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w.Header().Set("Content-Type", "application/x-protobuf")
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w.Header().Set("Content-Encoding", "snappy")
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w.WriteHeader(http.StatusOK)
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if _, err := w.Write(compressed); err != nil {
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t.Fatalf("snappy encode error: %s", err)
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}
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}
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})
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}
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func NewRemoteReadStreamServer(t *testing.T) *RemoteReadServer {
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rrs := &RemoteReadServer{
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series: make([]*prompb.TimeSeries, 0),
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}
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rrs.server = httptest.NewServer(rrs.getStreamReadHandler(t))
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return rrs
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}
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func (rrs *RemoteReadServer) InitMockStorage(series []*prompb.TimeSeries) {
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rrs.storage = NewMockStorage(series)
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}
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func (rrs *RemoteReadServer) getStreamReadHandler(t *testing.T) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if !validateStreamReadHeaders(t, r) {
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t.Fatalf("invalid read headers")
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}
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f, ok := w.(http.Flusher)
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if !ok {
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t.Fatalf("internal http.ResponseWriter does not implement http.Flusher interface")
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}
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stream := remote.NewChunkedWriter(w, f)
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data, err := io.ReadAll(r.Body)
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if err != nil {
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t.Fatalf("error read body: %s", err)
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}
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decodedData, err := snappy.Decode(nil, data)
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if err != nil {
|
||||
t.Fatalf("error decode compressed data:%s", err)
|
||||
}
|
||||
|
||||
var req prompb.ReadRequest
|
||||
if err := proto.Unmarshal(decodedData, &req); err != nil {
|
||||
t.Fatalf("error unmarshal read request: %s", err)
|
||||
}
|
||||
|
||||
var chunks []prompb.Chunk
|
||||
ctx := context.Background()
|
||||
for idx, r := range req.Queries {
|
||||
startTs := r.StartTimestampMs
|
||||
endTs := r.EndTimestampMs
|
||||
|
||||
var matchers []*labels.Matcher
|
||||
cb := func() (int64, error) { return 0, nil }
|
||||
|
||||
c := remote.NewSampleAndChunkQueryableClient(rrs.storage, nil, matchers, true, cb)
|
||||
|
||||
q, err := c.ChunkQuerier(ctx, startTs, endTs)
|
||||
if err != nil {
|
||||
t.Fatalf("error init chunk querier: %s", err)
|
||||
}
|
||||
|
||||
ss := q.Select(false, nil, matchers...)
|
||||
for ss.Next() {
|
||||
series := ss.At()
|
||||
iter := series.Iterator()
|
||||
labels := remote.MergeLabels(labelsToLabelsProto(series.Labels()), nil)
|
||||
|
||||
frameBytesLeft := maxBytesInFrame
|
||||
for _, lb := range labels {
|
||||
frameBytesLeft -= lb.Size()
|
||||
}
|
||||
|
||||
isNext := iter.Next()
|
||||
|
||||
for isNext {
|
||||
chunk := iter.At()
|
||||
|
||||
if chunk.Chunk == nil {
|
||||
t.Fatalf("error found not populated chunk returned by SeriesSet at ref: %v", chunk.Ref)
|
||||
}
|
||||
|
||||
chunks = append(chunks, prompb.Chunk{
|
||||
MinTimeMs: chunk.MinTime,
|
||||
MaxTimeMs: chunk.MaxTime,
|
||||
Type: prompb.Chunk_Encoding(chunk.Chunk.Encoding()),
|
||||
Data: chunk.Chunk.Bytes(),
|
||||
})
|
||||
|
||||
frameBytesLeft -= chunks[len(chunks)-1].Size()
|
||||
|
||||
// We are fine with minor inaccuracy of max bytes per frame. The inaccuracy will be max of full chunk size.
|
||||
isNext = iter.Next()
|
||||
if frameBytesLeft > 0 && isNext {
|
||||
continue
|
||||
}
|
||||
|
||||
resp := &prompb.ChunkedReadResponse{
|
||||
ChunkedSeries: []*prompb.ChunkedSeries{
|
||||
{Labels: labels, Chunks: chunks},
|
||||
},
|
||||
QueryIndex: int64(idx),
|
||||
}
|
||||
|
||||
b, err := proto.Marshal(resp)
|
||||
if err != nil {
|
||||
t.Fatalf("error marshal response: %s", err)
|
||||
}
|
||||
|
||||
if _, err := stream.Write(b); err != nil {
|
||||
t.Fatalf("error write to stream: %s", err)
|
||||
}
|
||||
chunks = chunks[:0]
|
||||
rrs.storage.Reset()
|
||||
}
|
||||
if err := iter.Err(); err != nil {
|
||||
t.Fatalf("error iterate over chunk series: %s", err)
|
||||
}
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func validateReadHeaders(t *testing.T, r *http.Request) bool {
|
||||
if r.Method != http.MethodPost {
|
||||
t.Fatalf("got %q method, expected %q", r.Method, http.MethodPost)
|
||||
}
|
||||
if r.Header.Get("Content-Encoding") != "snappy" {
|
||||
t.Fatalf("got %q content encoding header, expected %q", r.Header.Get("Content-Encoding"), "snappy")
|
||||
}
|
||||
if r.Header.Get("Content-Type") != "application/x-protobuf" {
|
||||
t.Fatalf("got %q content type header, expected %q", r.Header.Get("Content-Type"), "application/x-protobuf")
|
||||
}
|
||||
|
||||
remoteReadVersion := r.Header.Get("X-Prometheus-Remote-Read-Version")
|
||||
if remoteReadVersion == "" {
|
||||
t.Fatalf("got empty prometheus remote read header")
|
||||
}
|
||||
if !strings.HasPrefix(remoteReadVersion, "0.1.") {
|
||||
t.Fatalf("wrong remote version defined")
|
||||
}
|
||||
|
||||
return true
|
||||
}
|
||||
|
||||
func validateStreamReadHeaders(t *testing.T, r *http.Request) bool {
|
||||
if r.Method != http.MethodPost {
|
||||
t.Fatalf("got %q method, expected %q", r.Method, http.MethodPost)
|
||||
}
|
||||
if r.Header.Get("Content-Encoding") != "snappy" {
|
||||
t.Fatalf("got %q content encoding header, expected %q", r.Header.Get("Content-Encoding"), "snappy")
|
||||
}
|
||||
if r.Header.Get("Content-Type") != "application/x-streamed-protobuf; proto=prometheus.ChunkedReadResponse" {
|
||||
t.Fatalf("got %q content type header, expected %q", r.Header.Get("Content-Type"), "application/x-streamed-protobuf; proto=prometheus.ChunkedReadResponse")
|
||||
}
|
||||
|
||||
remoteReadVersion := r.Header.Get("X-Prometheus-Remote-Read-Version")
|
||||
if remoteReadVersion == "" {
|
||||
t.Fatalf("got empty prometheus remote read header")
|
||||
}
|
||||
if !strings.HasPrefix(remoteReadVersion, "0.1.") {
|
||||
t.Fatalf("wrong remote version defined")
|
||||
}
|
||||
return true
|
||||
}
|
||||
|
||||
func GenerateRemoteReadSeries(start, end, numOfSeries, numOfSamples int64) []*prompb.TimeSeries {
|
||||
var ts []*prompb.TimeSeries
|
||||
j := 0
|
||||
for i := 0; i < int(numOfSeries); i++ {
|
||||
if i%3 == 0 {
|
||||
j++
|
||||
}
|
||||
|
||||
timeSeries := prompb.TimeSeries{
|
||||
Labels: []prompb.Label{
|
||||
{Name: labels.MetricName, Value: fmt.Sprintf("vm_metric_%d", j)},
|
||||
{Name: "job", Value: strconv.Itoa(i)},
|
||||
},
|
||||
}
|
||||
|
||||
ts = append(ts, &timeSeries)
|
||||
}
|
||||
|
||||
for i := range ts {
|
||||
ts[i].Samples = generateRemoteReadSamples(i, start, end, numOfSamples)
|
||||
}
|
||||
|
||||
return ts
|
||||
}
|
||||
|
||||
func generateRemoteReadSamples(idx int, startTime, endTime, numOfSamples int64) []prompb.Sample {
|
||||
samples := make([]prompb.Sample, 0)
|
||||
delta := (endTime - startTime) / numOfSamples
|
||||
|
||||
t := startTime
|
||||
for t != endTime {
|
||||
v := 100 * int64(idx)
|
||||
samples = append(samples, prompb.Sample{
|
||||
Timestamp: t * 1000,
|
||||
Value: float64(v),
|
||||
})
|
||||
t = t + delta
|
||||
}
|
||||
|
||||
return samples
|
||||
}
|
||||
|
||||
type MockStorage struct {
|
||||
query *prompb.Query
|
||||
store []*prompb.TimeSeries
|
||||
}
|
||||
|
||||
func NewMockStorage(series []*prompb.TimeSeries) *MockStorage {
|
||||
return &MockStorage{store: series}
|
||||
}
|
||||
|
||||
func (ms *MockStorage) Read(_ context.Context, query *prompb.Query) (*prompb.QueryResult, error) {
|
||||
if ms.query != nil {
|
||||
return nil, fmt.Errorf("expected only one call to remote client got: %v", query)
|
||||
}
|
||||
ms.query = query
|
||||
|
||||
q := &prompb.QueryResult{Timeseries: make([]*prompb.TimeSeries, 0, len(ms.store))}
|
||||
for _, s := range ms.store {
|
||||
var samples []prompb.Sample
|
||||
for _, sample := range s.Samples {
|
||||
if sample.Timestamp >= query.StartTimestampMs && sample.Timestamp < query.EndTimestampMs {
|
||||
samples = append(samples, sample)
|
||||
}
|
||||
}
|
||||
var series prompb.TimeSeries
|
||||
if len(samples) > 0 {
|
||||
series.Labels = s.Labels
|
||||
series.Samples = samples
|
||||
}
|
||||
|
||||
q.Timeseries = append(q.Timeseries, &series)
|
||||
}
|
||||
return q, nil
|
||||
}
|
||||
|
||||
func (ms *MockStorage) Reset() {
|
||||
ms.query = nil
|
||||
}
|
||||
|
||||
func labelsToLabelsProto(labels labels.Labels) []prompb.Label {
|
||||
result := make([]prompb.Label, 0, len(labels))
|
||||
for _, l := range labels {
|
||||
result = append(result, prompb.Label{
|
||||
Name: l.Name,
|
||||
Value: l.Value,
|
||||
})
|
||||
}
|
||||
return result
|
||||
}
|
||||
86
app/vmctl/testdata/servers_integration_test/remote_write_server.go
vendored
Normal file
86
app/vmctl/testdata/servers_integration_test/remote_write_server.go
vendored
Normal file
@ -0,0 +1,86 @@
|
||||
package remote_read_integration
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"reflect"
|
||||
"testing"
|
||||
|
||||
"github.com/VictoriaMetrics/VictoriaMetrics/app/vmctl/vm"
|
||||
parser "github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/vmimport"
|
||||
)
|
||||
|
||||
type RemoteWriteServer struct {
|
||||
server *httptest.Server
|
||||
series []vm.TimeSeries
|
||||
}
|
||||
|
||||
// NewRemoteWriteServer prepares test remote write server
|
||||
func NewRemoteWriteServer(t *testing.T) *RemoteWriteServer {
|
||||
rws := &RemoteWriteServer{series: make([]vm.TimeSeries, 0)}
|
||||
mux := http.NewServeMux()
|
||||
mux.Handle("/api/v1/import", rws.getWriteHandler(t))
|
||||
mux.Handle("/health", rws.handlePing())
|
||||
rws.server = httptest.NewServer(mux)
|
||||
return rws
|
||||
}
|
||||
|
||||
// Close closes the server.
|
||||
func (rws *RemoteWriteServer) Close() {
|
||||
rws.server.Close()
|
||||
}
|
||||
|
||||
func (rws *RemoteWriteServer) ExpectedSeries(series []vm.TimeSeries) {
|
||||
rws.series = append(rws.series, series...)
|
||||
}
|
||||
|
||||
func (rws *RemoteWriteServer) URL() string {
|
||||
return rws.server.URL
|
||||
}
|
||||
|
||||
func (rws *RemoteWriteServer) getWriteHandler(t *testing.T) http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
var tss []vm.TimeSeries
|
||||
scanner := bufio.NewScanner(r.Body)
|
||||
var rows parser.Rows
|
||||
for scanner.Scan() {
|
||||
|
||||
rows.Unmarshal(scanner.Text())
|
||||
for _, row := range rows.Rows {
|
||||
var labelPairs []vm.LabelPair
|
||||
var ts vm.TimeSeries
|
||||
nameValue := ""
|
||||
for _, tag := range row.Tags {
|
||||
if string(tag.Key) == "__name__" {
|
||||
nameValue = string(tag.Value)
|
||||
continue
|
||||
}
|
||||
labelPairs = append(labelPairs, vm.LabelPair{Name: string(tag.Key), Value: string(tag.Value)})
|
||||
}
|
||||
|
||||
ts.Values = append(ts.Values, row.Values...)
|
||||
ts.Timestamps = append(ts.Timestamps, row.Timestamps...)
|
||||
ts.Name = nameValue
|
||||
ts.LabelPairs = labelPairs
|
||||
tss = append(tss, ts)
|
||||
}
|
||||
rows.Reset()
|
||||
}
|
||||
|
||||
if !reflect.DeepEqual(tss, rws.series) {
|
||||
w.WriteHeader(http.StatusInternalServerError)
|
||||
t.Fatalf("datasets not equal, expected: %#v; \n got: %#v", rws.series, tss)
|
||||
return
|
||||
}
|
||||
|
||||
w.WriteHeader(http.StatusNoContent)
|
||||
})
|
||||
}
|
||||
|
||||
func (rws *RemoteWriteServer) handlePing() http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
w.WriteHeader(http.StatusOK)
|
||||
_, _ = w.Write([]byte("OK"))
|
||||
})
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user