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Merge pull request #176 from K-Phoen/gauge-panel
Support "gauge" panels
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| package converter | ||
|
|
||
| import ( | ||
| grabana "github.com/K-Phoen/grabana/decoder" | ||
| "github.com/K-Phoen/sdk" | ||
| "go.uber.org/zap" | ||
| ) | ||
|
|
||
| func (converter *JSON) convertGauge(panel sdk.Panel) grabana.DashboardPanel { | ||
| gauge := &grabana.DashboardGauge{ | ||
| Title: panel.Title, | ||
| Span: panelSpan(panel), | ||
| Unit: panel.GaugePanel.FieldConfig.Defaults.Unit, | ||
| Decimals: panel.GaugePanel.FieldConfig.Defaults.Decimals, | ||
| Transparent: panel.Transparent, | ||
| Orientation: converter.convertGaugeOrientation(panel), | ||
| ValueType: converter.convertGaugeValueType(panel), | ||
| ThresholdMode: converter.convertGaugeThresholdMode(panel), | ||
| Thresholds: converter.convertGaugeThresholds(panel), | ||
| } | ||
|
|
||
| if panel.GaugePanel.Options.Text != nil { | ||
| gauge.ValueFontSize = panel.GaugePanel.Options.Text.ValueSize | ||
| gauge.TitleFontSize = panel.GaugePanel.Options.Text.TitleSize | ||
| } | ||
|
|
||
| if panel.Description != nil { | ||
| gauge.Description = *panel.Description | ||
| } | ||
| if panel.Repeat != nil { | ||
| gauge.Repeat = *panel.Repeat | ||
| } | ||
| if panel.Height != nil { | ||
| gauge.Height = *(panel.Height).(*string) | ||
| } | ||
| if panel.Datasource != nil { | ||
| gauge.Datasource = panel.Datasource.LegacyName | ||
| } | ||
| if len(panel.Links) != 0 { | ||
| gauge.Links = converter.convertPanelLinks(panel.Links) | ||
| } | ||
|
|
||
| for _, target := range panel.GaugePanel.Targets { | ||
| graphTarget := converter.convertTarget(target) | ||
| if graphTarget == nil { | ||
| continue | ||
| } | ||
|
|
||
| gauge.Targets = append(gauge.Targets, *graphTarget) | ||
| } | ||
|
|
||
| return grabana.DashboardPanel{Gauge: gauge} | ||
| } | ||
|
|
||
| func (converter *JSON) convertGaugeValueType(panel sdk.Panel) string { | ||
| if len(panel.GaugePanel.Options.ReduceOptions.Calcs) != 1 { | ||
| return "last_non_null" | ||
| } | ||
|
|
||
| valueType := panel.GaugePanel.Options.ReduceOptions.Calcs[0] | ||
|
|
||
| switch valueType { | ||
| case "first": | ||
| return "first" | ||
| case "firstNotNull": | ||
| return "first_non_null" | ||
| case "last": | ||
| return "last" | ||
| case "lastNotNull": | ||
| return "last_non_null" | ||
|
|
||
| case "min": | ||
| return "min" | ||
| case "max": | ||
| return "max" | ||
| case "mean": | ||
| return "avg" | ||
|
|
||
| case "count": | ||
| return "count" | ||
| case "sum": | ||
| return "total" | ||
| case "range": | ||
| return "range" | ||
|
|
||
| default: | ||
| converter.logger.Warn("unknown value type", zap.String("value type", valueType)) | ||
| return "last_non_null" | ||
| } | ||
| } | ||
|
|
||
| func (converter *JSON) convertGaugeOrientation(panel sdk.Panel) string { | ||
| switch panel.GaugePanel.Options.Orientation { | ||
| case "": | ||
| return "auto" | ||
| case "horizontal": | ||
| return "horizontal" | ||
| case "vertical": | ||
| return "vertical" | ||
| default: | ||
| converter.logger.Warn("unknown orientation", zap.String("orientation", panel.StatPanel.Options.Orientation)) | ||
| return "auto" | ||
| } | ||
| } | ||
|
|
||
| func (converter *JSON) convertGaugeThresholdMode(panel sdk.Panel) string { | ||
| switch panel.GaugePanel.FieldConfig.Defaults.Thresholds.Mode { | ||
| case "": | ||
| return "absolute" | ||
| case "absolute": | ||
| return "absolute" | ||
| case "percentage": | ||
| return "relative" | ||
| default: | ||
| converter.logger.Warn("unknown threshold mode", zap.String("mode", panel.GaugePanel.FieldConfig.Defaults.Thresholds.Mode)) | ||
| return "absolute" | ||
| } | ||
| } | ||
|
|
||
| func (converter *JSON) convertGaugeThresholds(panel sdk.Panel) []grabana.GaugeThresholdStep { | ||
| steps := make([]grabana.GaugeThresholdStep, 0, len(panel.GaugePanel.FieldConfig.Defaults.Thresholds.Steps)) | ||
|
|
||
| for _, step := range panel.GaugePanel.FieldConfig.Defaults.Thresholds.Steps { | ||
| steps = append(steps, grabana.GaugeThresholdStep{ | ||
| Color: step.Color, | ||
| Value: step.Value, | ||
| }) | ||
| } | ||
|
|
||
| return steps | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| package converter | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| "github.com/K-Phoen/sdk" | ||
| "github.com/stretchr/testify/require" | ||
| "go.uber.org/zap" | ||
| ) | ||
|
|
||
| func TestConvertGaugePanel(t *testing.T) { | ||
| req := require.New(t) | ||
|
|
||
| converter := NewJSON(zap.NewNop()) | ||
| height := "200px" | ||
| datasource := "prometheus" | ||
|
|
||
| gaugePanel := sdk.Panel{ | ||
| CommonPanel: sdk.CommonPanel{ | ||
| Title: "Gauge panel", | ||
| Description: strPtr("panel desc"), | ||
| Type: "gauge", | ||
| Transparent: true, | ||
| Height: &height, | ||
| Datasource: &sdk.DatasourceRef{LegacyName: datasource}, | ||
| }, | ||
| GaugePanel: &sdk.GaugePanel{ | ||
| Targets: []sdk.Target{ | ||
| { | ||
| Expr: "sum(kube_pod_info{}) / sum(kube_node_status_allocatable{resource=\"pods\"})", | ||
| }, | ||
| }, | ||
| Options: sdk.StatOptions{ | ||
| Orientation: "horizontal", | ||
| ReduceOptions: sdk.ReduceOptions{ | ||
| Calcs: []string{"last"}, | ||
| }, | ||
| Text: &sdk.TextOptions{ | ||
| ValueSize: 10, | ||
| TitleSize: 20, | ||
| }, | ||
| }, | ||
| FieldConfig: sdk.FieldConfig{ | ||
| Defaults: sdk.FieldConfigDefaults{ | ||
| Unit: "none", | ||
| Thresholds: sdk.Thresholds{}, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| converted, ok := converter.convertDataPanel(gaugePanel) | ||
|
|
||
| req.True(ok) | ||
| req.True(converted.Gauge.Transparent) | ||
| req.Equal("Gauge panel", converted.Gauge.Title) | ||
| req.Equal("panel desc", converted.Gauge.Description) | ||
| req.Equal("none", converted.Gauge.Unit) | ||
| req.Equal("last", converted.Gauge.ValueType) | ||
| req.Equal("horizontal", converted.Gauge.Orientation) | ||
| req.Equal(10, converted.Gauge.ValueFontSize) | ||
| req.Equal(20, converted.Gauge.TitleFontSize) | ||
| req.Equal(height, converted.Gauge.Height) | ||
| req.Equal(datasource, converted.Gauge.Datasource) | ||
| } | ||
|
|
||
| func TestConvertGaugeLinks(t *testing.T) { | ||
| req := require.New(t) | ||
|
|
||
| converter := NewJSON(zap.NewNop()) | ||
| sdkPanel := sdk.NewGauge("") | ||
| sdkPanel.Links = []sdk.Link{ | ||
| {Title: "stat title", URL: strPtr("stat url")}, | ||
| } | ||
|
|
||
| converted, ok := converter.convertDataPanel(*sdkPanel) | ||
|
|
||
| req.True(ok) | ||
| req.NotNil(converted.Gauge) | ||
|
|
||
| panel := converted.Gauge | ||
| req.Len(panel.Links, 1) | ||
| req.Equal("stat title", panel.Links[0].Title) | ||
| req.Equal("stat url", panel.Links[0].URL) | ||
| } |
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