feat: migrated the operator code to v4

k8-operator/internal/template/yaml.go

@@ -0,0 +1,30 @@
+package template
+
+import (
+	"fmt"
+	"strings"
+
+	"gopkg.in/yaml.v3"
+)
+
+func toYAML(v any) string {
+	data, err := yaml.Marshal(v)
+	if err != nil {
+		panic(fmt.Sprintf("Error: %v", err))
+
+	}
+	return strings.TrimSuffix(string(data), "\n")
+}
+
+// fromYAML converts a YAML document into a map[string]any.
+//
+// This is not a general-purpose YAML parser, and will not parse all valid
+// YAML documents.
+func fromYAML(str string) map[string]any {
+	mapData := map[string]any{}
+
+	if err := yaml.Unmarshal([]byte(str), &mapData); err != nil {
+		panic(fmt.Sprintf("Error: %v", err))
+	}
+	return mapData
+}