Various updates to observability library (#1034)

* Various updates to observability library

- Fix TransformOptions not accepting arbitrary options
- Cleanup Hide, Multi, IncludeAll options in variables
- Add Data Source variable

* Add text box variable

observability-lib/grafana/panels.go

@@ -80,7 +80,7 @@ func newThresholds(options *ThresholdOptions) *dashboard.ThresholdsConfigBuilder
 
 type TransformOptions struct {
 	ID      string
-	Options map[string]string
+	Options map[string]any
 }
 
 func newTransform(options *TransformOptions) dashboard.DataTransformerConfig {

observability-lib/grafana/variables.go

@@ -86,7 +86,6 @@ type QueryVariableOptions struct {
 	Regex         string
 	IncludeAll    bool
 	QueryWithType map[string]any
-	Hide          *dashboard.VariableHide
 }
 
 func NewQueryVariable(options *QueryVariableOptions) *dashboard.QueryVariableBuilder {
@@ -98,14 +97,16 @@ func NewQueryVariable(options *QueryVariableOptions) *dashboard.QueryVariableBui
 	variable := dashboard.NewQueryVariableBuilder(options.Name).
 		Label(options.Label).
 		Description(options.Description).
+		Hide(options.Hide).
 		Datasource(datasourceRef(options.Datasource)).
 		Current(dashboard.VariableOption{
 			Selected: cog.ToPtr[bool](true),
 			Text:     dashboard.StringOrArrayOfString{ArrayOfString: []string{options.CurrentText}},
 			Value:    dashboard.StringOrArrayOfString{ArrayOfString: []string{options.CurrentValue}},
 		}).
 		Sort(dashboard.VariableSortAlphabeticalAsc).
-		Multi(options.Multi)
+		Multi(options.Multi).
+		IncludeAll(options.IncludeAll)
 
 	if options.Query != "" {
 		variable.Query(dashboard.StringOrMap{String: cog.ToPtr[string](options.Query)})
@@ -117,14 +118,6 @@ func NewQueryVariable(options *QueryVariableOptions) *dashboard.QueryVariableBui
 		variable.Regex(options.Regex)
 	}
 
-	if options.IncludeAll {
-		variable.IncludeAll(options.IncludeAll)
-	}
-
-	if options.Hide != nil {
-		variable.Hide(*options.Hide)
-	}
-
 	return variable
 }
 
@@ -149,3 +142,33 @@ func NewIntervalVariable(options *IntervalVariableOptions) *dashboard.IntervalVa
 			Value:    dashboard.StringOrArrayOfString{ArrayOfString: []string{options.CurrentValue}},
 		})
 }
+
+type DataSourceVariableOptions struct {
+	*VariableOption
+	Type       string
+	Regex      string
+	Multi      bool
+	IncludeAll bool
+}
+
+func NewDataSourceVariable(options *DataSourceVariableOptions) *dashboard.DatasourceVariableBuilder {
+	return dashboard.NewDatasourceVariableBuilder(options.Name).
+		Label(options.Label).
+		Description(options.Description).
+		Hide(options.Hide).
+		Type(options.Type).
+		Regex(options.Regex).
+		Multi(options.Multi).
+		IncludeAll(options.IncludeAll)
+}
+
+type TextBoxVariableOptions struct {
+	*VariableOption
+}
+
+func NewTextBoxVariableOptions(options *TextBoxVariableOptions) *dashboard.TextBoxVariableBuilder {
+	return dashboard.NewTextBoxVariableBuilder(options.Name).
+		Label(options.Label).
+		Description(options.Description).
+		Hide(options.Hide)
+}