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Grafana: include a built-in backend datasource (#38571)

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This commit is contained in:
Ryan McKinley
2021-09-10 07:44:47 -07:00
committed by GitHub
parent f74421b892
commit 6bda64cb19
18 changed files with 517 additions and 116 deletions
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pkg/tsdb/testdatasource/csv_data.go
+4 -3
View File
@@ -30,7 +30,7 @@ func (p *TestDataPlugin) handleCsvContentScenario(ctx context.Context, req *back
csvContent := model.Get("csvContent").MustString()
alias := model.Get("alias").MustString("")
frame, err := p.loadCsvContent(strings.NewReader(csvContent), alias)
frame, err := LoadCsvContent(strings.NewReader(csvContent), alias)
if err != nil {
return nil, err
}
@@ -94,10 +94,11 @@ func (p *TestDataPlugin) loadCsvFile(fileName string) (*data.Frame, error) {
}
}()
return p.loadCsvContent(fileReader, fileName)
return LoadCsvContent(fileReader, fileName)
}
func (p *TestDataPlugin) loadCsvContent(ioReader io.Reader, name string) (*data.Frame, error) {
// LoadCsvContent should be moved to the SDK
func LoadCsvContent(ioReader io.Reader, name string) (*data.Frame, error) {
reader := csv.NewReader(ioReader)
// Read the header records
pkg/tsdb/testdatasource/csv_data_test.go
+1 -1
View File
@@ -35,7 +35,7 @@ func TestCSVFileScenario(t *testing.T) {
_ = fileReader.Close()
}()
frame, err := p.loadCsvContent(fileReader, name)
frame, err := LoadCsvContent(fileReader, name)
require.NoError(t, err)
require.NotNil(t, frame)
pkg/tsdb/testdatasource/scenarios.go
+4 -4
View File
@@ -268,7 +268,7 @@ func (p *TestDataPlugin) handleRandomWalkScenario(ctx context.Context, req *back
for i := 0; i < seriesCount; i++ {
respD := resp.Responses[q.RefID]
respD.Frames = append(respD.Frames, randomWalk(q, model, i))
respD.Frames = append(respD.Frames, RandomWalk(q, model, i))
resp.Responses[q.RefID] = respD
}
}
@@ -354,7 +354,7 @@ func (p *TestDataPlugin) handleRandomWalkWithErrorScenario(ctx context.Context,
}
respD := resp.Responses[q.RefID]
respD.Frames = append(respD.Frames, randomWalk(q, model, 0))
respD.Frames = append(respD.Frames, RandomWalk(q, model, 0))
respD.Error = fmt.Errorf("this is an error and it can include URLs http://grafana.com/")
resp.Responses[q.RefID] = respD
}
@@ -376,7 +376,7 @@ func (p *TestDataPlugin) handleRandomWalkSlowScenario(ctx context.Context, req *
time.Sleep(parsedInterval)
respD := resp.Responses[q.RefID]
respD.Frames = append(respD.Frames, randomWalk(q, model, 0))
respD.Frames = append(respD.Frames, RandomWalk(q, model, 0))
resp.Responses[q.RefID] = respD
}
@@ -618,7 +618,7 @@ func (p *TestDataPlugin) handleLogsScenario(ctx context.Context, req *backend.Qu
return resp, nil
}
func randomWalk(query backend.DataQuery, model *simplejson.Json, index int) *data.Frame {
func RandomWalk(query backend.DataQuery, model *simplejson.Json, index int) *data.Frame {
timeWalkerMs := query.TimeRange.From.UnixNano() / int64(time.Millisecond)
to := query.TimeRange.To.UnixNano() / int64(time.Millisecond)
startValue := model.Get("startValue").MustFloat64(rand.Float64() * 100)