package docker import ( "errors" "strconv" "strings" "github.com/containous/traefik/provider" "github.com/containous/traefik/provider/label" ) // Specific functions // Extract rule from labels for a given service and a given docker container // Deprecated func (p Provider) getServiceFrontendRuleV1(container dockerData, serviceName string) string { if value, ok := getServiceLabelsV1(container, serviceName)[label.SuffixFrontendRule]; ok { return value } return p.getFrontendRuleV1(container) } // Check if for the given container, we find labels that are defining services // Deprecated func hasServicesV1(container dockerData) bool { return len(label.ExtractServiceProperties(container.Labels)) > 0 } // Gets array of service names for a given container // Deprecated func getServiceNamesV1(container dockerData) []string { labelServiceProperties := label.ExtractServiceProperties(container.Labels) keys := make([]string, 0, len(labelServiceProperties)) for k := range labelServiceProperties { keys = append(keys, k) } return keys } // checkServiceLabelPort checks if all service names have a port service label // or if port container label exists for default value // Deprecated func checkServiceLabelPortV1(container dockerData) error { // If port container label is present, there is a default values for all ports, use it for the check _, err := strconv.Atoi(container.Labels[label.TraefikPort]) if err != nil { serviceLabelPorts := make(map[string]struct{}) serviceLabels := make(map[string]struct{}) for lbl := range container.Labels { // Get all port service labels portLabel := extractServicePortV1(lbl) if len(portLabel) > 0 { serviceLabelPorts[portLabel[0]] = struct{}{} } // Get only one instance of all service names from service labels servicesLabelNames := label.FindSegmentSubmatch(lbl) if len(servicesLabelNames) > 0 { serviceLabels[strings.Split(servicesLabelNames[0], ".")[1]] = struct{}{} } } // If the number of service labels is different than the number of port services label // there is an error if len(serviceLabels) == len(serviceLabelPorts) { for labelPort := range serviceLabelPorts { _, err = strconv.Atoi(container.Labels[labelPort]) if err != nil { break } } } else { err = errors.New("port service labels missing, please use traefik.port as default value or define all port service labels") } } return err } // Deprecated func extractServicePortV1(labelName string) []string { if strings.HasPrefix(labelName, label.TraefikFrontend+".") || strings.HasPrefix(labelName, label.TraefikBackend+".") { return nil } return label.PortRegexp.FindStringSubmatch(labelName) } // Extract backend from labels for a given service and a given docker container // Deprecated func getServiceBackendNameV1(container dockerData, serviceName string) string { if value, ok := getServiceLabelsV1(container, serviceName)[label.SuffixFrontendBackend]; ok { return provider.Normalize(container.ServiceName + "-" + value) } return provider.Normalize(container.ServiceName + "-" + getBackendNameV1(container) + "-" + serviceName) } // Extract port from labels for a given service and a given docker container // Deprecated func getServicePortV1(container dockerData, serviceName string) string { if value, ok := getServiceLabelsV1(container, serviceName)[label.SuffixPort]; ok { return value } return getPortV1(container) } // Service label functions // Deprecated func getFuncServiceSliceStringLabelV1(labelSuffix string) func(container dockerData, serviceName string) []string { return func(container dockerData, serviceName string) []string { serviceLabels := getServiceLabelsV1(container, serviceName) return getServiceSliceValueV1(container, serviceLabels, labelSuffix) } } // Deprecated func getFuncServiceStringLabelV1(labelSuffix string, defaultValue string) func(container dockerData, serviceName string) string { return func(container dockerData, serviceName string) string { serviceLabels := getServiceLabelsV1(container, serviceName) return getServiceStringValueV1(container, serviceLabels, labelSuffix, defaultValue) } } // Deprecated func getFuncServiceBoolLabelV1(labelSuffix string, defaultValue bool) func(container dockerData, serviceName string) bool { return func(container dockerData, serviceName string) bool { serviceLabels := getServiceLabelsV1(container, serviceName) return getServiceBoolValueV1(container, serviceLabels, labelSuffix, defaultValue) } } // Deprecated func getFuncServiceIntLabelV1(labelSuffix string, defaultValue int) func(container dockerData, serviceName string) int { return func(container dockerData, serviceName string) int { return getServiceIntLabelV1(container, serviceName, labelSuffix, defaultValue) } } // Deprecated func getServiceStringValueV1(container dockerData, serviceLabels map[string]string, labelSuffix string, defaultValue string) string { if value, ok := serviceLabels[labelSuffix]; ok { return value } return label.GetStringValue(container.Labels, label.Prefix+labelSuffix, defaultValue) } // Deprecated func getServiceSliceValueV1(container dockerData, serviceLabels map[string]string, labelSuffix string) []string { if value, ok := serviceLabels[labelSuffix]; ok { return label.SplitAndTrimString(value, ",") } return label.GetSliceStringValue(container.Labels, label.Prefix+labelSuffix) } // Deprecated func getServiceBoolValueV1(container dockerData, serviceLabels map[string]string, labelSuffix string, defaultValue bool) bool { if rawValue, ok := serviceLabels[labelSuffix]; ok { value, err := strconv.ParseBool(rawValue) if err == nil { return value } } return label.GetBoolValue(container.Labels, label.Prefix+labelSuffix, defaultValue) } // Deprecated func getServiceIntLabelV1(container dockerData, serviceName string, labelSuffix string, defaultValue int) int { if rawValue, ok := getServiceLabelsV1(container, serviceName)[labelSuffix]; ok { value, err := strconv.Atoi(rawValue) if err == nil { return value } } return label.GetIntValue(container.Labels, label.Prefix+labelSuffix, defaultValue) } // Deprecated func getServiceLabelsV1(container dockerData, serviceName string) label.SegmentPropertyValues { return label.ExtractServiceProperties(container.Labels)[serviceName] } // Deprecated func hasServiceRedirectV1(container dockerData, serviceName string) bool { serviceLabels, ok := label.ExtractServiceProperties(container.Labels)[serviceName] if !ok || len(serviceLabels) == 0 { return false } value, ok := serviceLabels[label.SuffixFrontendRedirectEntryPoint] frep := ok && len(value) > 0 value, ok = serviceLabels[label.SuffixFrontendRedirectRegex] frrg := ok && len(value) > 0 value, ok = serviceLabels[label.SuffixFrontendRedirectReplacement] frrp := ok && len(value) > 0 return frep || frrg && frrp }