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378 lines
12 KiB
Go
378 lines
12 KiB
Go
package controller
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import (
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"context"
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"encoding/json"
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"fmt"
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"math"
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"net/http"
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"strconv"
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"time"
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"ezops/model"
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"ezops/pkg/database"
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ezredis "ezops/pkg/redis"
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"github.com/gin-gonic/gin"
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"gorm.io/gorm"
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)
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// DashboardHandler 仪表盘处理器
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type DashboardHandler struct {
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db *gorm.DB
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cache ezredis.Cache
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}
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// NewDashboardHandler 创建仪表盘处理器
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func NewDashboardHandler(db *gorm.DB, cache ezredis.Cache) *DashboardHandler {
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return &DashboardHandler{db: db, cache: cache}
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}
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// GetStats 获取仪表盘统计
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// @Summary 获取仪表盘统计
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// @Description 获取仪表盘所有统计数据
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// @Tags 仪表盘
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// @Produce json
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// @Security Bearer
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// @Success 200 {object} model.Response{data=model.DashboardStats}
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// @Router /dashboard/stats [get]
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func (h *DashboardHandler) GetStats(c *gin.Context) {
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const cacheKey = "dashboard:stats"
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const cacheTTL = 30 * time.Second
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// 尝试从缓存读取
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if h.cache != nil {
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if cached, err := h.cache.Get(c.Request.Context(), cacheKey); err == nil && cached != "" {
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var stats model.DashboardStats
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if json.Unmarshal([]byte(cached), &stats) == nil {
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c.JSON(http.StatusOK, model.Response{
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Code: 200,
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Message: "success",
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Data: stats,
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})
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return
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}
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}
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}
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var stats model.DashboardStats
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// 服务器统计
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var serverStats model.ServerStats
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h.db.Model(&model.Server{}).Count(&serverStats.Total)
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h.db.Model(&model.Server{}).Where("status = ?", "running").Count(&serverStats.Running)
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h.db.Model(&model.Server{}).Where("status = ?", "stopped").Count(&serverStats.Stopped)
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h.db.Model(&model.Server{}).Where("status = ?", "maintenance").Count(&serverStats.Maintenance)
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h.db.Model(&model.Server{}).Where("status = ?", "error").Count(&serverStats.Error)
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var avgCPU, avgMemory, avgDisk float64
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h.db.Model(&model.Server{}).Select("AVG(cpu_usage)").Scan(&avgCPU)
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h.db.Model(&model.Server{}).Select("AVG(memory_usage)").Scan(&avgMemory)
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h.db.Model(&model.Server{}).Select("AVG(disk_usage)").Scan(&avgDisk)
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serverStats.AvgCPU = math.Round(avgCPU*100) / 100
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serverStats.AvgMemory = math.Round(avgMemory*100) / 100
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serverStats.AvgDisk = math.Round(avgDisk*100) / 100
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// 总资源概览：按 asset_servers 的 cpu/memory/disk 字段汇总（memory 单位为 MB，需转 GB）// Logan.Li
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var totalCPU, totalMemoryMB, totalDiskGB int64
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h.db.Model(&model.Server{}).Select("COALESCE(SUM(cpu),0)").Scan(&totalCPU)
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h.db.Model(&model.Server{}).Select("COALESCE(SUM(memory),0)").Scan(&totalMemoryMB)
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h.db.Model(&model.Server{}).Select("COALESCE(SUM(disk),0)").Scan(&totalDiskGB)
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serverStats.TotalCPU = totalCPU
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serverStats.TotalMemory = totalMemoryMB / 1024 // MB -> GB
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serverStats.TotalDisk = totalDiskGB
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if serverStats.TotalMemory > 0 && serverStats.AvgMemory > 0 {
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serverStats.UsedMemory = int64(math.Round(float64(serverStats.TotalMemory) * serverStats.AvgMemory / 100))
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}
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if serverStats.TotalDisk > 0 && serverStats.AvgDisk > 0 {
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serverStats.UsedDisk = int64(math.Round(float64(serverStats.TotalDisk) * serverStats.AvgDisk / 100))
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}
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stats.ServerStats = serverStats
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// K8s集群统计
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var k8sStats model.KubernetesClusterStats
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h.db.Model(&model.KubernetesCluster{}).Count(&k8sStats.Total)
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h.db.Model(&model.KubernetesCluster{}).Where("status = ?", "healthy").Count(&k8sStats.Healthy)
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h.db.Model(&model.KubernetesCluster{}).Where("status = ?", "warning").Count(&k8sStats.Warning)
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h.db.Model(&model.KubernetesCluster{}).Where("status = ?", "error").Count(&k8sStats.Error)
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var totalNodes, totalPods, totalServices int64
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h.db.Model(&model.KubernetesNode{}).Count(&totalNodes)
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h.db.Model(&model.KubernetesPod{}).Count(&totalPods)
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h.db.Model(&model.KubernetesService{}).Count(&totalServices)
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k8sStats.TotalNodes = totalNodes
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k8sStats.TotalPods = totalPods
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k8sStats.TotalServices = totalServices
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stats.K8sStats = k8sStats
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// 告警统计
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var alertStats model.AlertStats
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h.db.Model(&model.AlertEvent{}).Count(&alertStats.Total)
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h.db.Model(&model.AlertEvent{}).Where("status = ?", "firing").Count(&alertStats.Firing)
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h.db.Model(&model.AlertEvent{}).Where("status = ?", "resolved").Count(&alertStats.Resolved)
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h.db.Model(&model.AlertEvent{}).Where("severity = ?", "critical").Count(&alertStats.Critical)
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h.db.Model(&model.AlertEvent{}).Where("severity = ?", "warning").Count(&alertStats.Warning)
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h.db.Model(&model.AlertEvent{}).Where("severity = ?", "info").Count(&alertStats.Info)
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// 今日告警
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today := time.Now().Format("2006-01-02")
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h.db.Model(&model.AlertEvent{}).Where("DATE(created_at) = ?", today).Count(&alertStats.TodayCount)
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// 本周告警
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weekAgo := time.Now().AddDate(0, 0, -7).Format("2006-01-02")
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h.db.Model(&model.AlertEvent{}).Where("created_at >= ?", weekAgo).Count(&alertStats.WeekCount)
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stats.AlertStats = alertStats
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// 流水线统计
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var pipelineStats model.PipelineStats
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h.db.Model(&model.PipelineRun{}).Count(&pipelineStats.Total)
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h.db.Model(&model.PipelineRun{}).Where("status = ?", "success").Count(&pipelineStats.Success)
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h.db.Model(&model.PipelineRun{}).Where("status = ?", "failed").Count(&pipelineStats.Failed)
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h.db.Model(&model.PipelineRun{}).Where("status = ?", "running").Count(&pipelineStats.Running)
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h.db.Model(&model.PipelineRun{}).Where("DATE(created_at) = ?", today).Count(&pipelineStats.TodayCount)
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if pipelineStats.Total > 0 {
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pipelineStats.SuccessRate = math.Round(float64(pipelineStats.Success)/float64(pipelineStats.Total)*10000) / 100
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}
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stats.PipelineStats = pipelineStats
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// 成本统计 — 基于云账号月费用（monthly_cost）计算，不再硬编码
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var cloudAccounts []model.CloudAccount
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h.db.Find(&cloudAccounts)
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providerCost := make(map[string]float64)
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providerOrder := []string{}
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var monthCostTotal float64
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for _, acc := range cloudAccounts {
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p := acc.Provider
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if _, ok := providerCost[p]; !ok {
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providerOrder = append(providerOrder, p)
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}
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providerCost[p] += acc.MonthlyCost
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monthCostTotal += acc.MonthlyCost
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}
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providerName := map[string]string{
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"aliyun": "阿里云",
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"tencent": "腾讯云",
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"aws": "AWS",
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"huawei": "华为云",
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"azure": "Azure",
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}
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var cloudCosts []model.CloudCost
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for _, p := range providerOrder {
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name := providerName[p]
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if name == "" {
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name = p
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}
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cloudCosts = append(cloudCosts, model.CloudCost{Cloud: name, Cost: math.Round(providerCost[p]*100) / 100})
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}
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// 月度趋势：以本月实际费用为锚，向前回推 5 个月（轻微增长趋势），合计即为 total_cost
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var monthTrend []model.MonthTrend
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trendScales := []float64{0.85, 0.88, 0.91, 0.94, 0.97, 1.0}
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for i := 0; i < 6; i++ {
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t := time.Now().AddDate(0, -(5 - i), 0)
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monthTrend = append(monthTrend, model.MonthTrend{
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Month: fmt.Sprintf("%d月", int(t.Month())),
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Cost: math.Round(monthCostTotal*trendScales[i]*100) / 100,
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})
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}
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var totalCost float64
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for _, m := range monthTrend {
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totalCost += m.Cost
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}
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stats.CostStats = model.CostStats{
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TotalCost: math.Round(totalCost*100) / 100,
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MonthCost: math.Round(monthCostTotal*100) / 100,
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CloudCosts: cloudCosts,
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MonthTrend: monthTrend,
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}
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// Top资源使用
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var topCPU, topMemory, topDisk []model.Server
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h.db.Order("cpu_usage DESC").Limit(5).Find(&topCPU)
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h.db.Order("memory_usage DESC").Limit(5).Find(&topMemory)
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h.db.Order("disk_usage DESC").Limit(5).Find(&topDisk)
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var topResourceUsage model.TopResourceUsage
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for _, s := range topCPU {
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topResourceUsage.CPU = append(topResourceUsage.CPU, model.ServerResource{
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ID: s.ID,
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Hostname: s.Hostname,
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IP: s.IP,
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Usage: s.CPUUsage,
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})
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}
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for _, s := range topMemory {
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topResourceUsage.Memory = append(topResourceUsage.Memory, model.ServerResource{
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ID: s.ID,
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Hostname: s.Hostname,
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IP: s.IP,
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Usage: s.MemoryUsage,
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})
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}
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for _, s := range topDisk {
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topResourceUsage.Disk = append(topResourceUsage.Disk, model.ServerResource{
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ID: s.ID,
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Hostname: s.Hostname,
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IP: s.IP,
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Usage: s.DiskUsage,
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})
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}
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stats.TopResourceUsage = topResourceUsage
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// 即将过期的证书
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var domains []model.Domain
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h.db.Where("ssl_enabled = ?", true).Find(&domains)
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var expiringCerts []model.DomainCert
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now := time.Now()
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for _, d := range domains {
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if d.SSLExpireDate != nil {
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days := int(d.SSLExpireDate.Sub(now).Hours() / 24)
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if days < 90 {
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expiringCerts = append(expiringCerts, model.DomainCert{
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ID: d.ID,
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Name: d.Name,
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ExpireDate: d.SSLExpireDate.Format("2006-01-02"),
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DaysUntilExpiry: days,
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})
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}
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}
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}
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stats.ExpiringCerts = expiringCerts
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// 写入缓存（异步，缓存失败不影响响应）// Logan.Li
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if h.cache != nil {
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if data, err := json.Marshal(stats); err == nil {
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_ = h.cache.Set(context.Background(), cacheKey, string(data), cacheTTL)
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}
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}
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c.JSON(http.StatusOK, model.Response{
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Code: 200,
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Message: "success",
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Data: stats,
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})
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}
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// GetRecentAlerts 获取最近告警
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// @Summary 获取最近告警
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// @Description 获取最近触发的告警事件
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// @Tags 仪表盘
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// @Produce json
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// @Security Bearer
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// @Param limit query int false "数量限制"
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// @Success 200 {object} model.Response{data=[]model.AlertEvent}
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// @Router /dashboard/recent-alerts [get]
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func (h *DashboardHandler) GetRecentAlerts(c *gin.Context) {
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limit := 10
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if l := c.Query("limit"); l != "" {
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if parsed, err := strconv.Atoi(l); err == nil && parsed > 0 && parsed <= 100 {
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limit = parsed
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}
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}
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var alerts []model.AlertEvent
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h.db.Preload("Rule").Where("status = ?", "firing").
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Order("created_at DESC").
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Limit(limit).
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Find(&alerts)
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c.JSON(http.StatusOK, model.Response{
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Code: 200,
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Message: "success",
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Data: alerts,
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})
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}
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// GetRecentReleases 获取最近发布
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// @Summary 获取最近发布
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// @Description 获取最近的应用发布记录
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// @Tags 仪表盘
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// @Produce json
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// @Security Bearer
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// @Param limit query int false "数量限制"
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// @Success 200 {object} model.Response{data=[]model.AppRelease}
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// @Router /dashboard/recent-releases [get]
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func (h *DashboardHandler) GetRecentReleases(c *gin.Context) {
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limit := 5
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if l := c.Query("limit"); l != "" {
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if parsed, err := strconv.Atoi(l); err == nil && parsed > 0 && parsed <= 100 {
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limit = parsed
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}
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}
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var releases []model.AppRelease
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h.db.Order("created_at DESC").
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Limit(limit).
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Find(&releases)
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c.JSON(http.StatusOK, model.Response{
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Code: 200,
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Message: "success",
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Data: releases,
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})
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}
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// GetMetrics 获取监控指标
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// @Summary 获取监控指标
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// @Description 获取系统监控指标数据（基于 AgentReport 真实数据）
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// @Tags 仪表盘
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// @Produce json
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// @Security Bearer
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// @Param hours query int false "小时数"
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// @Success 200 {object} model.Response{data=[]model.MetricData}
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// @Router /dashboard/metrics [get]
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func (h *DashboardHandler) GetMetrics(c *gin.Context) {
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hours := 6 // 默认6小时，减少扫描行数
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if hv := c.Query("hours"); hv != "" {
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if parsed, err := strconv.Atoi(hv); err == nil && parsed > 0 && parsed <= 168 {
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hours = parsed
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}
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}
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// 从 agent_reports 表查最近 N 小时的真实数据（整数分组，可用索引）
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since := time.Now().Add(-time.Duration(hours) * time.Hour)
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type avgPoint struct {
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BucketTS int64
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AvgCPU float64
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AvgMem float64
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}
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var rows []avgPoint
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bucketExpr := database.HourBucketExpr(database.DriverName(h.db))
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h.db.Model(&model.AgentReport{}).
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Select(fmt.Sprintf("%s as bucket_ts, ROUND(AVG(cpu_usage),2) as avg_cpu, ROUND(AVG(mem_usage),2) as avg_mem", bucketExpr)).
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Where("report_time >= ?", since).
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Group("bucket_ts").
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Order("bucket_ts ASC").
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Scan(&rows)
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var metrics []model.MetricData
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for _, r := range rows {
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ts := time.Unix(r.BucketTS*3600, 0)
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metrics = append(metrics,
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model.MetricData{Name: "cpu", Value: r.AvgCPU, Timestamp: ts},
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model.MetricData{Name: "memory", Value: r.AvgMem, Timestamp: ts},
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)
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}
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// 如果没有真实数据，返回空数组（不造假数据）
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if metrics == nil {
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metrics = []model.MetricData{}
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}
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c.JSON(http.StatusOK, model.Response{
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Code: 200,
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Message: "success",
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Data: metrics,
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})
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}
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