1.4.5.2

EdgeAPI/internal/nodes/node_status_executor_unix.go

@@ -0,0 +1,56 @@
+//go:build !windows
+// +build !windows
+
+package nodes
+
+import (
+	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
+	"github.com/shirou/gopsutil/v3/load"
+	"github.com/shirou/gopsutil/v3/mem"
+	"runtime"
+	"runtime/debug"
+)
+
+// 更新内存
+func (this *NodeStatusExecutor) updateMem(status *nodeconfigs.NodeStatus) {
+	stat, err := mem.VirtualMemory()
+	if err != nil {
+		return
+	}
+
+	// 重新计算内存
+	if stat.Total > 0 {
+		stat.Used = stat.Total - stat.Free - stat.Buffers - stat.Cached
+		status.MemoryUsage = float64(stat.Used) / float64(stat.Total)
+	}
+
+	status.MemoryTotal = stat.Total
+
+	// 内存严重不足时自动释放内存
+	if stat.Total > 0 {
+		var minFreeMemory = stat.Total / 8
+		if minFreeMemory > 1<<30 {
+			minFreeMemory = 1 << 30
+		}
+		if stat.Available > 0 && stat.Available < minFreeMemory {
+			runtime.GC()
+			debug.FreeOSMemory()
+		}
+	}
+}
+
+// 更新负载
+func (this *NodeStatusExecutor) updateLoad(status *nodeconfigs.NodeStatus) {
+	stat, err := load.Avg()
+	if err != nil {
+		status.Error = err.Error()
+		return
+	}
+	if stat == nil {
+		status.Error = "load is nil"
+		return
+	}
+	status.Load1m = stat.Load1
+	status.Load5m = stat.Load5
+	status.Load15m = stat.Load15
+}