Remove data comparison tool and feature flag (#58196)

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ismail simsek 2022-11-07 21:20:00 +03:00 committed by GitHub
parent 76947b10e2
commit 93c1fbbe3f
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4 changed files with 3 additions and 94 deletions

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@ -53,7 +53,6 @@ export interface FeatureToggles {
datasourceQueryMultiStatus?: boolean;
traceToMetrics?: boolean;
prometheusStreamingJSONParser?: boolean;
prometheusStreamingJSONParserTest?: boolean;
newDBLibrary?: boolean;
validateDashboardsOnSave?: boolean;
autoMigrateGraphPanels?: boolean;

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@ -212,11 +212,6 @@ var (
Description: "Enable streaming JSON parser for Prometheus datasource",
State: FeatureStateBeta,
},
{
Name: "prometheusStreamingJSONParserTest",
Description: "Run both old and streaming requests and log differences",
State: FeatureStateBeta,
},
{
Name: "newDBLibrary",
Description: "Use jmoiron/sqlx rather than xorm for a few backend services",

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@ -155,10 +155,6 @@ const (
// Enable streaming JSON parser for Prometheus datasource
FlagPrometheusStreamingJSONParser = "prometheusStreamingJSONParser"
// FlagPrometheusStreamingJSONParserTest
// Run both old and streaming requests and log differences
FlagPrometheusStreamingJSONParserTest = "prometheusStreamingJSONParserTest"
// FlagNewDBLibrary
// Use jmoiron/sqlx rather than xorm for a few backend services
FlagNewDBLibrary = "newDBLibrary"

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@ -2,31 +2,25 @@ package prometheus
import (
"context"
"encoding/json"
"errors"
"fmt"
"reflect"
"strings"
"sync"
"time"
"github.com/grafana/grafana-plugin-sdk-go/backend"
"github.com/grafana/grafana-plugin-sdk-go/backend/datasource"
"github.com/grafana/grafana-plugin-sdk-go/backend/instancemgmt"
"github.com/grafana/grafana/pkg/tsdb/prometheus/client"
"github.com/patrickmn/go-cache"
apiv1 "github.com/prometheus/client_golang/api/prometheus/v1"
"github.com/yudai/gojsondiff"
"github.com/yudai/gojsondiff/formatter"
"github.com/grafana/grafana/pkg/infra/httpclient"
"github.com/grafana/grafana/pkg/infra/log"
"github.com/grafana/grafana/pkg/infra/tracing"
"github.com/grafana/grafana/pkg/services/featuremgmt"
"github.com/grafana/grafana/pkg/setting"
"github.com/grafana/grafana/pkg/tsdb/prometheus/buffered"
"github.com/grafana/grafana/pkg/tsdb/prometheus/client"
"github.com/grafana/grafana/pkg/tsdb/prometheus/querydata"
"github.com/grafana/grafana/pkg/tsdb/prometheus/resource"
"github.com/patrickmn/go-cache"
apiv1 "github.com/prometheus/client_golang/api/prometheus/v1"
)
var plog = log.New("tsdb.prometheus")
@ -103,36 +97,6 @@ func (s *Service) QueryData(ctx context.Context, req *backend.QueryDataRequest)
return i.queryData.Execute(ctx, req)
}
// To test the new client implementation this can be run and we do 2 requests and compare.
if s.features.IsEnabled(featuremgmt.FlagPrometheusStreamingJSONParserTest) {
var wg sync.WaitGroup
var streamData *backend.QueryDataResponse
var streamError error
var data *backend.QueryDataResponse
var err error
plog.FromContext(ctx).Debug("PrometheusStreamingJSONParserTest", "req", req)
wg.Add(1)
go func() {
defer wg.Done()
streamData, streamError = i.queryData.Execute(ctx, req)
}()
wg.Add(1)
go func() {
defer wg.Done()
data, err = i.buffered.ExecuteTimeSeriesQuery(ctx, req)
}()
wg.Wait()
// Report can take a while and we don't really need to wait for it.
go reportDiff(data, err, streamData, streamError)
return data, err
}
return i.buffered.ExecuteTimeSeriesQuery(ctx, req)
}
@ -187,48 +151,3 @@ func ConvertAPIError(err error) error {
}
return err
}
func reportDiff(data *backend.QueryDataResponse, err error, streamData *backend.QueryDataResponse, streamError error) {
if err == nil && streamError != nil {
plog.Debug("PrometheusStreamingJSONParserTest error in streaming client", "err", streamError)
}
if err != nil && streamError == nil {
plog.Debug("PrometheusStreamingJSONParserTest error in buffer but not streaming", "err", err)
}
if !reflect.DeepEqual(data, streamData) {
plog.Debug("PrometheusStreamingJSONParserTest buffer and streaming data are different")
dataJson, jsonErr := json.MarshalIndent(data, "", "\t")
if jsonErr != nil {
plog.Debug("PrometheusStreamingJSONParserTest error marshaling data", "jsonErr", jsonErr)
}
streamingJson, jsonErr := json.MarshalIndent(streamData, "", "\t")
if jsonErr != nil {
plog.Debug("PrometheusStreamingJSONParserTest error marshaling streaming data", "jsonErr", jsonErr)
}
differ := gojsondiff.New()
d, diffErr := differ.Compare(dataJson, streamingJson)
if diffErr != nil {
plog.Debug("PrometheusStreamingJSONParserTest diff error", "err", diffErr)
}
config := formatter.AsciiFormatterConfig{
ShowArrayIndex: true,
Coloring: true,
}
var aJson map[string]interface{}
unmarshallErr := json.Unmarshal(dataJson, &aJson)
if unmarshallErr != nil {
plog.Debug("PrometheusStreamingJSONParserTest unmarshall error", "err", unmarshallErr)
}
formatter := formatter.NewAsciiFormatter(aJson, config)
diffString, diffErr := formatter.Format(d)
if diffErr != nil {
plog.Debug("PrometheusStreamingJSONParserTest diff format error", "err", diffErr)
}
fmt.Println(diffString)
} else {
plog.Debug("PrometheusStreamingJSONParserTest responses are the same")
}
}