Draft implementation for json schema export

Signed-off-by: Mathias Petermann <mathias.petermann@gmail.com>
carvel-dev · Apr 20, 2024 · 162f40c · 162f40c
1 parent 2e686ef
commit 162f40c
Show file tree

Hide file tree

Showing 4 changed files with 778 additions and 9 deletions.
diff --git a/pkg/cmd/template/cmd.go b/pkg/cmd/template/cmd.go
@@ -146,7 +146,7 @@ func (o *Options) RunWithFiles(in Input, ui ui.UI) Output {
 	if err != nil {
 		return Output{Err: err}
 	}
-	if schemaType == RegularFilesOutputTypeOpenAPI {
+	if schemaType == RegularFilesOutputTypeOpenAPI || schemaType == RegularFilesOutputTypeJSONSchema {
 		return Output{Err: fmt.Errorf("Output type currently only supported for data values schema (i.e. include --data-values-schema-inspect)")}
 	}
 
@@ -190,8 +190,16 @@ func (o *Options) inspectSchema(dataValuesSchema *datavalues.Schema) Output {
 			},
 		}
 	}
-	return Output{Err: fmt.Errorf("Data values schema export only supported in OpenAPI v3 format; specify format with --output=%s flag",
-		RegularFilesOutputTypeOpenAPI)}
+	if format == RegularFilesOutputTypeJSONSchema {
+		jsonSchemaDoc := schema.NewJSONSchemaDocument(dataValuesSchema.GetDocumentType())
+		return Output{
+			DocSet: &yamlmeta.DocumentSet{
+				Items: []*yamlmeta.Document{jsonSchemaDoc.AsDocument()},
+			},
+		}
+	}
+	return Output{Err: fmt.Errorf("Data values schema export only supported in OpenAPI v3 and JSON Schema format; specify format with --output=(%s|%s) flag",
+		RegularFilesOutputTypeOpenAPI, RegularFilesOutputTypeJSONSchema)}
 }
 
 func (o *Options) pickSource(srcs []FileSource, pickFunc func(FileSource) bool) FileSource {

diff --git a/pkg/cmd/template/regular_input.go b/pkg/cmd/template/regular_input.go
@@ -134,14 +134,15 @@ const (
 
 // When the FileSource are RegularFilesSource, indicates which schema type to use when rendering the output.
 const (
-	RegularFilesOutputTypeOpenAPI = "openapi-v3"
-	RegularFilesOutputTypeNone    = ""
+	RegularFilesOutputTypeOpenAPI    = "openapi-v3"
+	RegularFilesOutputTypeJSONSchema = "json-schema"
+	RegularFilesOutputTypeNone       = ""
 )
 
 // Collections of each category of output type
 var (
 	RegularFilesOutputFormatTypes = []string{RegularFilesOutputTypeYAML, RegularFilesOutputTypeJSON, RegularFilesOutputTypePos}
-	RegularFilesOutputSchemaTypes = []string{RegularFilesOutputTypeOpenAPI}
+	RegularFilesOutputSchemaTypes = []string{RegularFilesOutputTypeOpenAPI, RegularFilesOutputTypeJSONSchema}
 	RegularFilesOutputTypes       = append(RegularFilesOutputFormatTypes, RegularFilesOutputSchemaTypes...)
 )