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controller/internal/system/info_linux.go

@@ -4,6 +4,7 @@ package system
 
 import (
 	"bufio"
+	"fmt"
 	"os"
 	"strings"
 	"syscall"
@@ -29,6 +30,16 @@ func GetInfo(hddPath string) SystemInfo {
 	return info
 }
 
+// GetTotalMemoryMB reads total system memory from /proc/meminfo.
+func GetTotalMemoryMB() (int, error) {
+	info := SystemInfo{}
+	readMemInfo(&info)
+	if info.TotalMemMB == 0 {
+		return 0, fmt.Errorf("could not read MemTotal from /proc/meminfo")
+	}
+	return int(info.TotalMemMB), nil
+}
+
 func readMemInfo(info *SystemInfo) {
 	f, err := os.Open("/proc/meminfo")
 	if err != nil {

controller/internal/system/info_other.go

@@ -2,7 +2,14 @@
 
 package system
 
+import "fmt"
+
 // GetInfo returns empty system info on non-Linux platforms.
 func GetInfo(_ string) SystemInfo {
 	return SystemInfo{}
 }
+
+// GetTotalMemoryMB is not available on non-Linux platforms.
+func GetTotalMemoryMB() (int, error) {
+	return 0, fmt.Errorf("/proc/meminfo not available on this platform")
+}