func renderManifest()

in pkg/dubboctl/internal/manifest/render/render.go [283:333]
43 lines of code
10 McCabe index (conditional complexity)

func renderManifest(valsYaml string, cht *chart.Chart, builtIn bool, opts *RendererOptions, filters ...util.FilterFunc) (string, error) {
	valsMap := make(map[string]any)
	if err := yaml.Unmarshal([]byte(valsYaml), &valsMap); err != nil {
		return "", fmt.Errorf("unmarshal failed err: %s", err)
	}
	RelOpts := chartutil.ReleaseOptions{
		Name:      opts.Name,
		Namespace: opts.Namespace,
	}
	// todo:// need to specify k8s version
	caps := chartutil.DefaultCapabilities
	// maybe we need a configuration to change this caps
	resVals, err := chartutil.ToRenderValues(cht, valsMap, RelOpts, caps)
	if err != nil {
		return "", fmt.Errorf("ToRenderValues failed err: %s", err)
	}
	// todo: // explain why there is a hack way
	if builtIn {
		resVals["Values"].(chartutil.Values)["enabled"] = true
	}
	filesMap, err := engine.Render(cht, resVals)
	if err != nil {
		return "", fmt.Errorf("Render chart failed err: %s", err)
	}
	keys := make([]string, 0, len(filesMap))
	for key := range filesMap {
		// remove notation files such as Notes.txt
		if strings.HasSuffix(key, NotesFileNameSuffix) {
			continue
		}
		keys = append(keys, key)
	}
	// to ensure that every manifest rendered by same values are the same
	sort.Strings(keys)

	var builder strings.Builder
	for i := 0; i < len(keys); i++ {
		file := filesMap[keys[i]]
		file = util.ApplyFilters(file, filters...)
		// ignore empty manifest
		if file == "" {
			continue
		}
		if !strings.HasSuffix(file, YAMLSeparator) {
			file += YAMLSeparator
		}
		builder.WriteString(file)
	}

	return builder.String(), nil
}