fix: opencloudos检查

pkg/os/os.go

@@ -1,23 +1,58 @@
 package os
 
 import (
+	"bufio"
 	"os"
+	"strings"
 )
 
+func readOSRelease() map[string]string {
+	file, err := os.Open("/etc/os-release")
+	if err != nil {
+		return nil
+	}
+	defer file.Close()
+
+	osRelease := make(map[string]string)
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		line := scanner.Text()
+		if len(line) > 0 && strings.Contains(line, "=") {
+			parts := strings.SplitN(line, "=", 2)
+			key := parts[0]
+			value := strings.Trim(parts[1], `"`)
+			osRelease[key] = value
+		}
+	}
+	return osRelease
+}
+
 // IsDebian 判断是否是 Debian 系统
 func IsDebian() bool {
-	_, err := os.Stat("/etc/debian_version")
-	return err == nil
+	osRelease := readOSRelease()
+	if osRelease == nil {
+		return false
+	}
+	id, idLike := osRelease["ID"], osRelease["ID_LIKE"]
+	return id == "debian" || strings.Contains(idLike, "debian")
 }
 
 // IsRHEL 判断是否是 RHEL 系统
 func IsRHEL() bool {
-	_, err := os.Stat("/etc/redhat-release")
-	return err == nil
+	osRelease := readOSRelease()
+	if osRelease == nil {
+		return false
+	}
+	id, idLike := osRelease["ID"], osRelease["ID_LIKE"]
+	return id == "tencentos" || id == "opencloudos" || id == "rhel" || strings.Contains(idLike, "rhel")
 }
 
 // IsUbuntu 判断是否是 Ubuntu 系统
 func IsUbuntu() bool {
-	_, err := os.Stat("/etc/lsb-release")
-	return err == nil
+	osRelease := readOSRelease()
+	if osRelease == nil {
+		return false
+	}
+	id, idLike := osRelease["ID"], osRelease["ID_LIKE"]
+	return id == "ubuntu" || strings.Contains(idLike, "ubuntu")
 }