feat(alert-center): 添加飞书Webhook通知渠道 + 告警引擎实时通知
- 后端: NotifyChannel 模型新增 feishu 类型, FeishuWebhookConfig - 后端: TestNotifyChannel 真实发送飞书测试消息(文本格式) - 后端: 告警引擎触发/恢复时自动发送飞书通知(sendFeishuAlert/sendFeishuRecovery) - 后端: AlertEngine 新增 tcp_time_wait/tcp_close_wait/service_process 指标检测 - 后端: NetworkStatModel 新增 TCPCloseWait 字段 - 后端: QuickSetupRules 一键创建6条告警规则(CPU/内存/磁盘/TIME_WAIT/CLOSE_WAIT/进程) - 后端: 注册 /alerts/quick-setup 路由 - 前端: AlertChannelDialog 新增飞书类型选项 - 前端: helpers 新增 getChannelIcon/getChannelTypeLabel 支持 feishu/dingtalk/wechat
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@@ -1,8 +1,16 @@
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package handlers
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import (
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"bytes"
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"crypto/hmac"
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"crypto/sha256"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"strconv"
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"time"
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"ezops/internal/models"
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@@ -163,9 +171,9 @@ func (h *AlertHandler) DeleteNotifyChannel(c *gin.Context) {
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})
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}
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// TestNotifyChannel 测试通知渠道 // Logan.Li
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// TestNotifyChannel 测试通知渠道 — 真实发送测试消息 // Logan.Li
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// @Summary 测试通知渠道连通性
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// @Description 模拟测试通知渠道（返回测试状态）
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// @Description 向渠道发送测试消息，验证连通性
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// @Tags 告警
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// @Produce json
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// @Security Bearer
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@@ -184,12 +192,22 @@ func (h *AlertHandler) TestNotifyChannel(c *gin.Context) {
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return
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}
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// 模拟测试：校验配置非空即视为成功
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status := "success"
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message := "测试通知已发送"
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if channel.Config == "" {
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status = "warning"
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message = "渠道未配置参数，请先完善配置"
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switch channel.Type {
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case "feishu":
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err := sendFeishuTest(channel.Config)
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if err != nil {
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status = "error"
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message = "飞书通知发送失败: " + err.Error()
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}
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default:
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// 非飞书渠道仅检查配置非空
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if channel.Config == "" {
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status = "warning"
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message = "渠道未配置参数，请先完善配置"
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}
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}
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h.db.Model(&channel).Update("test_status", status)
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@@ -204,3 +222,201 @@ func (h *AlertHandler) TestNotifyChannel(c *gin.Context) {
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},
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})
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}
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// ==================== 飞书 Webhook 发送逻辑 ====================
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// sendFeishuTest 发送飞书测试通知
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func sendFeishuTest(configJSON string) error {
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var cfg models.FeishuWebhookConfig
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if err := json.Unmarshal([]byte(configJSON), &cfg); err != nil {
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return fmt.Errorf("解析配置失败: %w", err)
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}
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if cfg.URL == "" {
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return fmt.Errorf("webhook URL 为空")
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}
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title := "✅ AIOps 告警测试通知"
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content := fmt.Sprintf("通知渠道连通性测试成功\\n测试时间：%s\\n来源：AIOps 智能运维平台", time.Now().Format("2006-01-02 15:04:05"))
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return sendFeishuCard(cfg.URL, cfg.Secret, title, content, "green")
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}
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// sendFeishuAlert 发送飞书告警通知
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func sendFeishuAlert(configJSON, title, content, severity string) error {
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var cfg models.FeishuWebhookConfig
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if err := json.Unmarshal([]byte(configJSON), &cfg); err != nil {
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return fmt.Errorf("解析配置失败: %w", err)
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}
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if cfg.URL == "" {
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return fmt.Errorf("webhook URL 为空")
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}
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color := "red"
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if severity == "warning" {
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color = "orange"
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} else if severity == "info" {
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color = "blue"
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}
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emoji := "🔴"
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if severity == "warning" {
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emoji = "🟠"
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} else if severity == "info" {
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emoji = "🔵"
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}
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title = emoji + " " + title
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return sendFeishuCard(cfg.URL, cfg.Secret, title, content, color)
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}
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// sendFeishuRecovery 发送飞书恢复通知
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func sendFeishuRecovery(configJSON, title, content string) error {
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var cfg models.FeishuWebhookConfig
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if err := json.Unmarshal([]byte(configJSON), &cfg); err != nil {
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return fmt.Errorf("解析配置失败: %w", err)
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}
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if cfg.URL == "" {
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return fmt.Errorf("webhook URL 为空")
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}
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title = "✅ " + title
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return sendFeishuCard(cfg.URL, cfg.Secret, title, content, "green")
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}
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// sendFeishuCard 发送飞书消息（优先使用卡片格式，出错回退到文本）
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func sendFeishuCard(webhookURL, secret, title, content, color string) error {
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// 先尝试文本格式（最可靠）
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textMsg := map[string]interface{}{
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"msg_type": "text",
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"content": map[string]interface{}{
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"text": title + "\n\n" + content,
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},
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}
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body, _ := json.Marshal(textMsg)
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req, err := http.NewRequest("POST", webhookURL, bytes.NewReader(body))
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if err != nil {
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return fmt.Errorf("创建请求失败: %w", err)
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}
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req.Header.Set("Content-Type", "application/json")
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// 如果有 secret，生成签名
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if secret != "" {
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timestamp := time.Now().Unix()
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sign := genFeishuSign(timestamp, secret)
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q := req.URL.Query()
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q.Set("timestamp", fmt.Sprintf("%d", timestamp))
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q.Set("sign", sign)
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req.URL.RawQuery = q.Encode()
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}
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client := &http.Client{Timeout: 10 * time.Second}
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resp, err := client.Do(req)
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if err != nil {
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return fmt.Errorf("发送请求失败: %w", err)
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}
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defer resp.Body.Close()
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respBody, _ := io.ReadAll(resp.Body)
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if resp.StatusCode != http.StatusOK {
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return fmt.Errorf("飞书返回错误 (HTTP %d): %s", resp.StatusCode, string(respBody))
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}
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// 检查飞书业务返回码
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var result struct {
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Code int `json:"code"`
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Msg string `json:"msg"`
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}
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json.Unmarshal(respBody, &result)
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if result.Code != 0 {
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return fmt.Errorf("飞书返回错误 (code=%d): %s", result.Code, result.Msg)
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}
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return nil
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}
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// buildFeishuCard 构建飞书卡片消息体（保留备用，当前使用文本格式）
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func buildFeishuCard(title, content, color string) models.FeishuCardMessage {
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return models.FeishuCardMessage{
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MsgType: "interactive",
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Content: models.FeishuCardContent{
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Title: title,
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Content: [][]models.FeishuCardElement{
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{
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{
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Tag: "markdown",
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Text: content,
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},
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},
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{
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{
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Tag: "note",
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Text: fmt.Sprintf("⏰ %s ｜ AIOps 智能运维平台", time.Now().Format("2006-01-02 15:04:05")),
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},
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},
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},
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},
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}
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}
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// genFeishuSign 生成飞书签名
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func genFeishuSign(timestamp int64, secret string) string {
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stringToSign := fmt.Sprintf("%d\n%s", timestamp, secret)
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h := hmac.New(sha256.New, []byte(stringToSign))
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signature := base64.StdEncoding.EncodeToString(h.Sum(nil))
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return signature
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}
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// ==================== 批量通知发送 ====================
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// NotifyAlert 发送告警通知到所有启用的渠道
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func (h *AlertHandler) NotifyAlert(ruleName, hostname, metric, severity, message string, value, threshold float64) {
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var channels []models.NotifyChannel
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h.db.Where("enabled = ?", true).Find(&channels)
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for _, ch := range channels {
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switch ch.Type {
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case "feishu":
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title := buildAlertTitle(ruleName, hostname, metric, severity)
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content := buildAlertContent(ruleName, hostname, metric, severity, message, value, threshold)
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if err := sendFeishuAlert(ch.Config, title, content, severity); err != nil {
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fmt.Printf("[AlertNotify] 飞书通知失败 (渠道:%s): %v\n", ch.Name, err)
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}
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}
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}
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}
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// NotifyRecovery 发送恢复通知到所有启用的渠道
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func (h *AlertHandler) NotifyRecovery(ruleName, hostname, metric, message string) {
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var channels []models.NotifyChannel
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h.db.Where("enabled = ?", true).Find(&channels)
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for _, ch := range channels {
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switch ch.Type {
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case "feishu":
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title := fmt.Sprintf("%s — 已恢复正常", ruleName)
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content := fmt.Sprintf("**告警已恢复**\\n\\n主机：%s\\n指标：%s\\n详情：%s\\n恢复时间：%s",
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hostname, metric, message, time.Now().Format("2006-01-02 15:04:05"))
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if err := sendFeishuRecovery(ch.Config, title, content); err != nil {
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fmt.Printf("[AlertNotify] 飞书恢复通知失败 (渠道:%s): %v\n", ch.Name, err)
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}
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}
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}
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}
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func buildAlertTitle(ruleName, hostname, metric, severity string) string {
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sevLabel := "严重告警"
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if severity == "warning" {
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sevLabel = "警告"
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} else if severity == "info" {
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sevLabel = "信息"
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}
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return fmt.Sprintf("[%s] %s — %s (%s)", sevLabel, ruleName, hostname, metric)
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}
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func buildAlertContent(ruleName, hostname, metric, severity, message string, value, threshold float64) string {
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return fmt.Sprintf(
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"**规则名称：** %s\\n**目标主机：** %s\\n**指标类型：** %s\\n**告警级别：** %s\\n**当前值：** %.2f\\n**阈值：** %.2f\\n**详细信息：** %s\\n**触发时间：** %s",
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ruleName, hostname, metric, severity, value, threshold, message, time.Now().Format("2006-01-02 15:04:05"),
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)
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}
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