init: EZOps AIOps 智能运维平台

- 前端: React 18 + TypeScript + Vite + Tailwind CSS + shadcn/ui
- 后端: Go + Gin + GORM + JWT (golang-jwt/jwt/v5)
- 功能: 服务器管理、K8s集群、监控告警、CI/CD、自动化运维、审批流程、审计日志
- 文档: 设计文档(ROADMAP/PDD/架构/模块)

backend/internal/models/alert.go

@@ -0,0 +1,137 @@
+package models
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+// AlertRule 告警规则模型
+type AlertRule struct {
+	ID          uint           `gorm:"primarykey" json:"id"`
+	Name        string         `gorm:"size:128;not null" json:"name"`
+	Description string         `gorm:"size:500" json:"description"`
+	Type        string         `gorm:"size:32;not null" json:"type"` // metric, log, event
+	Source      string         `gorm:"size:64;not null" json:"source"` // prometheus, zabbix, custom
+	Expression  string         `gorm:"type:text;not null" json:"expression"`
+	Severity    string         `gorm:"size:32;default:warning" json:"severity"` // info, warning, critical
+	Duration    int            `json:"duration"` // 持续时间(秒)
+	Enabled     bool           `gorm:"default:true" json:"enabled"`
+	Labels      string         `gorm:"type:text" json:"labels"` // JSON
+	Annotations string         `gorm:"type:text" json:"annotations"` // JSON
+	NotifyChannels string      `gorm:"type:text" json:"notify_channels"` // JSON
+	CreatedAt   time.Time      `json:"created_at"`
+	UpdatedAt   time.Time      `json:"updated_at"`
+	DeletedAt   gorm.DeletedAt `gorm:"index" json:"-"`
+}
+
+// TableName 表名
+func (AlertRule) TableName() string {
+	return "alert_rules"
+}
+
+// AlertEvent 告警事件模型
+type AlertEvent struct {
+	ID          uint           `gorm:"primarykey" json:"id"`
+	RuleID      uint           `json:"rule_id"`
+	RuleName    string         `gorm:"size:128" json:"rule_name"`
+	Severity    string         `gorm:"size:32" json:"severity"`
+	Status      string         `gorm:"size:32;default:firing" json:"status"` // firing, resolved
+	Target      string         `gorm:"size:255" json:"target"`
+	Message     string         `gorm:"type:text" json:"message"`
+	Value       float64        `json:"value"`
+	Labels      string         `gorm:"type:text" json:"labels"`
+	StartedAt   time.Time      `json:"started_at"`
+	ResolvedAt  *time.Time     `json:"resolved_at"`
+	Acknowledged bool          `json:"acknowledged"`
+	AcknowledgedBy *uint       `json:"acknowledged_by"`
+	AcknowledgedAt *time.Time  `json:"acknowledged_at"`
+	CreatedAt   time.Time      `json:"created_at"`
+	UpdatedAt   time.Time      `json:"updated_at"`
+
+	// 关联
+	Rule *AlertRule `json:"rule,omitempty"`
+}
+
+// TableName 表名
+func (AlertEvent) TableName() string {
+	return "alert_events"
+}
+
+// NotifyChannel 通知渠道模型
+type NotifyChannel struct {
+	ID       uint   `gorm:"primarykey" json:"id"`
+	Name     string `gorm:"size:64;not null" json:"name"`
+	Type     string `gorm:"size:32;not null" json:"type"` // email, sms, webhook, dingtalk, wechat
+	Config   string `gorm:"type:text" json:"config"` // JSON
+	Enabled  bool   `gorm:"default:true" json:"enabled"`
+	TestStatus string `gorm:"size:32" json:"test_status"`
+	CreatedAt time.Time      `json:"created_at"`
+	UpdatedAt time.Time      `json:"updated_at"`
+	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
+}
+
+// TableName 表名
+func (NotifyChannel) TableName() string {
+	return "notify_channels"
+}
+
+// MetricData 监控指标数据
+type MetricData struct {
+	ID        uint      `gorm:"primarykey" json:"id"`
+	ServerID  *uint     `json:"server_id"`
+	ClusterID *uint     `json:"cluster_id"`
+	Name      string    `gorm:"size:64" json:"name"`
+	Value     float64   `json:"value"`
+	Labels    string    `gorm:"type:text" json:"labels"`
+	Timestamp time.Time `json:"timestamp"`
+}
+
+// TableName 表名
+func (MetricData) TableName() string {
+	return "metric_data"
+}
+
+// CreateAlertRuleRequest 创建告警规则请求
+type CreateAlertRuleRequest struct {
+	Name           string   `json:"name" binding:"required"`
+	Description    string   `json:"description"`
+	Type           string   `json:"type" binding:"required,oneof=metric log event"`
+	Source         string   `json:"source" binding:"required"`
+	Expression     string   `json:"expression" binding:"required"`
+	Severity       string   `json:"severity" binding:"omitempty,oneof=info warning critical"`
+	Duration       int      `json:"duration"`
+	Labels         string   `json:"labels"`
+	Annotations    string   `json:"annotations"`
+	NotifyChannels []string `json:"notify_channels"`
+}
+
+// UpdateAlertRuleRequest 更新告警规则请求
+type UpdateAlertRuleRequest struct {
+	Name           string   `json:"name"`
+	Description    string   `json:"description"`
+	Expression     string   `json:"expression"`
+	Severity       string   `json:"severity" binding:"omitempty,oneof=info warning critical"`
+	Duration       int      `json:"duration"`
+	Enabled        *bool    `json:"enabled"`
+	Labels         string   `json:"labels"`
+	Annotations    string   `json:"annotations"`
+	NotifyChannels []string `json:"notify_channels"`
+}
+
+// AlertStats 告警统计
+type AlertStats struct {
+	Total       int64 `json:"total"`
+	Firing      int64 `json:"firing"`
+	Resolved    int64 `json:"resolved"`
+	Critical    int64 `json:"critical"`
+	Warning     int64 `json:"warning"`
+	Info        int64 `json:"info"`
+	TodayCount  int64 `json:"today_count"`
+	WeekCount   int64 `json:"week_count"`
+}
+
+// AcknowledgeAlertRequest 确认告警请求
+type AcknowledgeAlertRequest struct {
+	Message string `json:"message"`
+}