fixed machine-id taking

Signed-off-by: viktor.kramarenko <[email protected]>

images/agent/config/config.go

@@ -17,8 +17,10 @@ limitations under the License.
 package config
 
 import (
+	"bytes"
 	"fmt"
 	"os"
+	"os/exec"
 	"sds-node-configurator/pkg/logger"
 	"time"
 )
@@ -75,12 +77,17 @@ func NewConfig() (*Options, error) {
 func getMachineId() (string, error) {
 	id := os.Getenv(MachineID)
 	if id == "" {
-		byteId, err := os.ReadFile("/host-root/etc/machine-id")
+		args := []string{"-m", "-u", "-i", "-n", "-p", "-t", "1", "cat", "/etc/machine-id"}
+
+		var stdout *bytes.Buffer
+		cmd := exec.Command("/usr/bin/nsenter", args...)
+		cmd.Stdout = stdout
+		err := cmd.Run()
 		if err != nil {
 			return "", err
 		}
 
-		id = string(byteId)
+		id = stdout.String()
 	}
 
 	return id, nil