[API节点]列表显示版本号、CPU、内存、状态等信息

internal/nodes/api_node.go

@@ -68,6 +68,9 @@ func (this *APINode) Start() {
 	// 设置rlimit
 	_ = utils.SetRLimit(1024 * 1024)
 
+	// 状态变更计时器
+	go NewNodeStatusExecutor().Listen()
+
 	// 监听RPC服务
 	logs.Println("[API_NODE]starting rpc ...")
 
@@ -136,6 +139,8 @@ func (this *APINode) Start() {
 		}
 	}
 
+	// HTTP接口
+
 	if !isListening {
 		logs.Println("[API_NODE]the api node does have a listening address")
 		return

internal/nodes/node_status_executor.go

@@ -0,0 +1,181 @@
+package nodes
+
+import (
+	"encoding/json"
+	teaconst "github.com/TeaOSLab/EdgeAPI/internal/const"
+	"github.com/TeaOSLab/EdgeAPI/internal/db/models"
+	"github.com/TeaOSLab/EdgeAPI/internal/events"
+	"github.com/TeaOSLab/EdgeAPI/internal/remotelogs"
+	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
+	"github.com/iwind/TeaGo/lists"
+	"github.com/shirou/gopsutil/cpu"
+	"github.com/shirou/gopsutil/disk"
+	"os"
+	"runtime"
+	"strings"
+	"time"
+)
+
+type NodeStatusExecutor struct {
+	isFirstTime bool
+
+	cpuUpdatedTime   time.Time
+	cpuLogicalCount  int
+	cpuPhysicalCount int
+}
+
+func NewNodeStatusExecutor() *NodeStatusExecutor {
+	return &NodeStatusExecutor{}
+}
+
+func (this *NodeStatusExecutor) Listen() {
+	this.isFirstTime = true
+	this.cpuUpdatedTime = time.Now()
+	this.update()
+
+	// TODO 这个时间间隔可以配置
+	ticker := time.NewTicker(30 * time.Second)
+
+	events.On(events.EventQuit, func() {
+		remotelogs.Println("NODE_STATUS", "quit executor")
+		ticker.Stop()
+	})
+
+	for range ticker.C {
+		this.isFirstTime = false
+		this.update()
+	}
+}
+
+func (this *NodeStatusExecutor) update() {
+	if sharedAPIConfig == nil {
+		return
+	}
+
+	status := &nodeconfigs.NodeStatus{}
+	status.BuildVersion = teaconst.Version
+	status.OS = runtime.GOOS
+	status.Arch = runtime.GOARCH
+	status.ConfigVersion = 0
+	status.IsActive = true
+	status.ConnectionCount = 0 // TODO 实现连接数计算
+
+	hostname, _ := os.Hostname()
+	status.Hostname = hostname
+
+	this.updateCPU(status)
+	this.updateMem(status)
+	this.updateLoad(status)
+	this.updateDisk(status)
+	status.UpdatedAt = time.Now().Unix()
+
+	//  发送数据
+	jsonData, err := json.Marshal(status)
+	if err != nil {
+		remotelogs.Error("NODE_STATUS", "serial NodeStatus fail: "+err.Error())
+		return
+	}
+	err = models.SharedAPINodeDAO.UpdateAPINodeStatus(sharedAPIConfig.NumberId(), jsonData)
+	if err != nil {
+		remotelogs.Error("NODE_STATUS", "rpc UpdateNodeStatus() failed: "+err.Error())
+		return
+	}
+}
+
+// 更新CPU
+func (this *NodeStatusExecutor) updateCPU(status *nodeconfigs.NodeStatus) {
+	duration := time.Duration(0)
+	if this.isFirstTime {
+		duration = 100 * time.Millisecond
+	}
+	percents, err := cpu.Percent(duration, false)
+	if err != nil {
+		status.Error = "cpu.Percent(): " + err.Error()
+		return
+	}
+	if len(percents) == 0 {
+		return
+	}
+	status.CPUUsage = percents[0] / 100
+
+	if time.Since(this.cpuUpdatedTime) > 300*time.Second { // 每隔5分钟才会更新一次
+		this.cpuUpdatedTime = time.Now()
+
+		status.CPULogicalCount, err = cpu.Counts(true)
+		if err != nil {
+			status.Error = "cpu.Counts(): " + err.Error()
+			return
+		}
+		status.CPUPhysicalCount, err = cpu.Counts(false)
+		if err != nil {
+			status.Error = "cpu.Counts(): " + err.Error()
+			return
+		}
+		this.cpuLogicalCount = status.CPULogicalCount
+		this.cpuPhysicalCount = status.CPUPhysicalCount
+	} else {
+		status.CPULogicalCount = this.cpuLogicalCount
+		status.CPUPhysicalCount = this.cpuPhysicalCount
+	}
+}
+
+// 更新硬盘
+func (this *NodeStatusExecutor) updateDisk(status *nodeconfigs.NodeStatus) {
+	partitions, err := disk.Partitions(false)
+	if err != nil {
+		remotelogs.Error("NODE_STATUS", err.Error())
+		return
+	}
+	lists.Sort(partitions, func(i int, j int) bool {
+		p1 := partitions[i]
+		p2 := partitions[j]
+		return p1.Mountpoint > p2.Mountpoint
+	})
+
+	// 当前TeaWeb所在的fs
+	rootFS := ""
+	rootTotal := uint64(0)
+	if lists.ContainsString([]string{"darwin", "linux", "freebsd"}, runtime.GOOS) {
+		for _, p := range partitions {
+			if p.Mountpoint == "/" {
+				rootFS = p.Fstype
+				usage, _ := disk.Usage(p.Mountpoint)
+				if usage != nil {
+					rootTotal = usage.Total
+				}
+				break
+			}
+		}
+	}
+
+	total := rootTotal
+	totalUsage := uint64(0)
+	maxUsage := float64(0)
+	for _, partition := range partitions {
+		if runtime.GOOS != "windows" && !strings.Contains(partition.Device, "/") && !strings.Contains(partition.Device, "\\") {
+			continue
+		}
+
+		// 跳过不同fs的
+		if len(rootFS) > 0 && rootFS != partition.Fstype {
+			continue
+		}
+
+		usage, err := disk.Usage(partition.Mountpoint)
+		if err != nil {
+			continue
+		}
+
+		if partition.Mountpoint != "/" && (usage.Total != rootTotal || total == 0) {
+			total += usage.Total
+		}
+		totalUsage += usage.Used
+		if usage.UsedPercent >= maxUsage {
+			maxUsage = usage.UsedPercent
+			status.DiskMaxUsagePartition = partition.Mountpoint
+		}
+	}
+	status.DiskTotal = total
+	status.DiskUsage = float64(totalUsage) / float64(total)
+	status.DiskMaxUsage = maxUsage / 100
+}

internal/nodes/node_status_executor_test.go

@@ -0,0 +1,27 @@
+package nodes
+
+import (
+	"github.com/shirou/gopsutil/cpu"
+	"testing"
+	"time"
+)
+
+func TestNodeStatusExecutor_CPU(t *testing.T) {
+	countLogicCPU, err := cpu.Counts(true)
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("logic count:", countLogicCPU)
+
+	countPhysicalCPU, err := cpu.Counts(false)
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log("physical count:", countPhysicalCPU)
+
+	percents, err := cpu.Percent(100 * time.Millisecond, false)
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Log(percents)
+}

internal/nodes/node_status_executor_unix.go

@@ -0,0 +1,41 @@
+// +build !windows
+
+package nodes
+
+import (
+	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
+	"github.com/shirou/gopsutil/load"
+	"github.com/shirou/gopsutil/mem"
+)
+
+// 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
+}
+
+// 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
+}

internal/nodes/node_status_executor_windows.go

@@ -0,0 +1,101 @@
+// +build windows
+
+package nodes
+
+import (
+	"context"
+	"github.com/shirou/gopsutil/cpu"
+	"github.com/shirou/gopsutil/mem"
+	"math"
+	"sync"
+	"time"
+)
+
+type WindowsLoadValue struct {
+	Timestamp int64
+	Value     int
+}
+
+var windowsLoadValues = []*WindowsLoadValue{}
+var windowsLoadLocker = &sync.Mutex{}
+
+// 更新内存
+func (this *NodeStatusExecutor) updateMem(status *NodeStatus) {
+	stat, err := mem.VirtualMemory()
+	if err != nil {
+		status.Error = err.Error()
+		return
+	}
+	status.MemoryUsage = stat.UsedPercent
+	status.MemoryTotal = stat.Total
+}
+
+// 更新负载
+func (this *NodeStatusExecutor) updateLoad(status *NodeStatus) {
+	timestamp := time.Now().Unix()
+
+	currentLoad := 0
+	info, err := cpu.ProcInfo()
+	if err == nil && len(info) > 0 && info[0].ProcessorQueueLength < 1000 {
+		currentLoad = int(info[0].ProcessorQueueLength)
+	}
+
+	// 删除15分钟之前的数据
+	windowsLoadLocker.Lock()
+	result := []*WindowsLoadValue{}
+	for _, v := range windowsLoadValues {
+		if timestamp-v.Timestamp > 15*60 {
+			continue
+		}
+		result = append(result, v)
+	}
+	result = append(result, &WindowsLoadValue{
+		Timestamp: timestamp,
+		Value:     currentLoad,
+	})
+	windowsLoadValues = result
+
+	total1 := 0
+	count1 := 0
+	total5 := 0
+	count5 := 0
+	total15 := 0
+	count15 := 0
+	for _, v := range result {
+		if timestamp-v.Timestamp <= 60 {
+			total1 += v.Value
+			count1++
+		}
+
+		if timestamp-v.Timestamp <= 300 {
+			total5 += v.Value
+			count5++
+		}
+
+		total15 += v.Value
+		count15++
+	}
+
+	load1 := float64(0)
+	load5 := float64(0)
+	load15 := float64(0)
+	if count1 > 0 {
+		load1 = math.Round(float64(total1*100)/float64(count1)) / 100
+	}
+	if count5 > 0 {
+		load5 = math.Round(float64(total5*100)/float64(count5)) / 100
+	}
+	if count15 > 0 {
+		load15 = math.Round(float64(total15*100)/float64(count15)) / 100
+	}
+
+	windowsLoadLocker.Unlock()
+
+	// 在老Windows上不显示错误
+	if err == context.DeadlineExceeded {
+		err = nil
+	}
+	status.Load1m = load1
+	status.Load5m = load5
+	status.Load15m = load15
+}