Function loadComposeFile

cli/command/stack/loader.go:24–65

loadComposeFile parse the composefile specified in the cli and returns its configOptions and version.

(streams command.Streams, opts deployOptions)

// loadComposeFile parse the composefile specified in the cli and returns its configOptions and version.
func loadComposeFile(streams command.Streams, opts deployOptions) (*composetypes.Config, error) {
	configDetails, err := getConfigDetails(opts.composefiles, streams.In())
	if err != nil {
		return nil, err
	}

	config, err := loader.Load(configDetails)
	if err != nil {
		var fpe *loader.ForbiddenPropertiesError
		if errors.As(err, &fpe) {
			// this error is intentionally formatted multi-line
			return nil, fmt.Errorf("compose file contains unsupported options:\n\n%s\n", propertyWarnings(fpe.Properties)) //nolint:staticcheck // ignore ST1005
		}

		return nil, err
	}

	dicts := getDictsFrom(configDetails.ConfigFiles)
	unsupportedProperties := loader.GetUnsupportedProperties(dicts...)
	if len(unsupportedProperties) > 0 {
		_, _ = fmt.Fprintf(streams.Err(), "Ignoring unsupported options: %s\n\n",
			strings.Join(unsupportedProperties, ", "))
	}

	deprecatedProperties := loader.GetDeprecatedProperties(dicts...)
	if len(deprecatedProperties) > 0 {
		_, _ = fmt.Fprintf(streams.Err(), "Ignoring deprecated options:\n\n%s\n\n",
			propertyWarnings(deprecatedProperties))
	}

	// Validate if each service has a valid image-reference.
	for _, svc := range config.Services {
		if svc.Image == "" {
			return nil, fmt.Errorf("invalid image reference for service %s: no image specified", svc.Name)
		}
		if _, err := reference.ParseAnyReference(svc.Image); err != nil {
			return nil, fmt.Errorf("invalid image reference for service %s: %w", svc.Name, err)
		}
	}

	return config, nil
}

func getDictsFrom(configFiles []composetypes.ConfigFile) []map[string]any {
	dicts := make([]map[string]any, 0, len(configFiles))