feat: refactor go.mod.

utils/files.go

@@ -0,0 +1,14 @@
+package utils
+
+import "os"
+
+func PathExists(path string) bool {
+	_, err := os.Stat(path)
+	if err == nil {
+		return true
+	}
+	if os.IsNotExist(err) {
+		return false
+	}
+	return false
+}

utils/service_info.go

@@ -0,0 +1,38 @@
+package utils
+
+import "os"
+
+type ServiceInfo struct {
+	Name     string
+	Version  string
+	Id       string
+	Metadata map[string]string
+}
+
+func NewServiceInfo(name, version, id string) *ServiceInfo {
+	if id == "" {
+		id, _ = os.Hostname()
+	}
+	return &ServiceInfo{
+		Name:     name,
+		Version:  version,
+		Id:       id,
+		Metadata: map[string]string{},
+	}
+}
+
+func (s *ServiceInfo) SetName(name string) {
+	s.Name = name
+}
+
+func (s *ServiceInfo) SetVersion(version string) {
+	s.Version = version
+}
+
+func (s *ServiceInfo) GetInstanceId() string {
+	return s.Id + "." + s.Name
+}
+
+func (s *ServiceInfo) SetMataData(k, v string) {
+	s.Metadata[k] = v
+}