fix: backend name for Stateful services. (Service Fabric)

vendor/github.com/containous/traefik-extra-service-fabric/labels.go

@@ -1,23 +1,59 @@
 package servicefabric
 
-import "strings"
+import (
+	"strconv"
+	"strings"
+)
 
-func hasServiceLabel(service ServiceItemExtended, key string) bool {
-	_, exists := service.Labels[key]
-	return exists
-}
-
-func getFuncBoolLabel(labelName string) func(service ServiceItemExtended) bool {
+func getFuncBoolLabel(labelName string, defaultValue bool) func(service ServiceItemExtended) bool {
 	return func(service ServiceItemExtended) bool {
-		return getBoolLabel(service, labelName)
+		return getBoolValue(service.Labels, labelName, defaultValue)
 	}
 }
 
-func getBoolLabel(service ServiceItemExtended, labelName string) bool {
-	value, exists := service.Labels[labelName]
-	return exists && strings.EqualFold(strings.TrimSpace(value), "true")
+func getFuncServiceStringLabel(service ServiceItemExtended, labelName string, defaultValue string) string {
+	return getStringValue(service.Labels, labelName, defaultValue)
 }
 
-func getServiceLabelValue(service ServiceItemExtended, key string) string {
-	return service.Labels[key]
+func hasFuncService(service ServiceItemExtended, labelName string) bool {
+	return hasLabel(service.Labels, labelName)
+}
+
+func getServiceLabelsWithPrefix(service ServiceItemExtended, prefix string) map[string]string {
+	results := make(map[string]string)
+	for k, v := range service.Labels {
+		if strings.HasPrefix(k, prefix) {
+			results[k] = v
+		}
+	}
+	return results
+}
+
+// must be replace by label.Has()
+// Deprecated
+func hasLabel(labels map[string]string, labelName string) bool {
+	value, ok := labels[labelName]
+	return ok && len(value) > 0
+}
+
+// must be replace by label.GetStringValue()
+// Deprecated
+func getStringValue(labels map[string]string, labelName string, defaultValue string) string {
+	if value, ok := labels[labelName]; ok && len(value) > 0 {
+		return value
+	}
+	return defaultValue
+}
+
+// must be replace by label.GetBoolValue()
+// Deprecated
+func getBoolValue(labels map[string]string, labelName string, defaultValue bool) bool {
+	rawValue, ok := labels[labelName]
+	if ok {
+		v, err := strconv.ParseBool(rawValue)
+		if err == nil {
+			return v
+		}
+	}
+	return defaultValue
 }