feat(运维监控): 增强监控功能和健康评分系统
后端改进: - 新增健康评分计算服务(ops_health_score.go) - 添加分布式锁支持(ops_advisory_lock.go) - 优化指标采集和聚合逻辑 - 新增运维指标采集间隔配置(60-3600秒) - 移除未使用的WebSocket查询token认证中间件 - 改进清理服务和告警评估逻辑 前端改进: - 简化OpsDashboard组件结构 - 完善国际化文本(中英文) - 新增运维监控相关API类型定义 - 添加运维指标采集间隔设置界面 - 优化错误详情模态框 测试: - 添加健康评分单元测试 - 更新API契约测试
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46
backend/internal/service/ops_advisory_lock.go
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46
backend/internal/service/ops_advisory_lock.go
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package service
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import (
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"context"
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"database/sql"
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"hash/fnv"
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"time"
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)
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func hashAdvisoryLockID(key string) int64 {
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h := fnv.New64a()
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_, _ = h.Write([]byte(key))
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return int64(h.Sum64())
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}
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func tryAcquireDBAdvisoryLock(ctx context.Context, db *sql.DB, lockID int64) (func(), bool) {
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if db == nil {
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return nil, false
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}
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if ctx == nil {
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ctx = context.Background()
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}
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conn, err := db.Conn(ctx)
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if err != nil {
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return nil, false
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}
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acquired := false
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if err := conn.QueryRowContext(ctx, "SELECT pg_try_advisory_lock($1)", lockID).Scan(&acquired); err != nil {
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_ = conn.Close()
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return nil, false
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}
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if !acquired {
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_ = conn.Close()
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return nil, false
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}
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release := func() {
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unlockCtx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
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defer cancel()
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_, _ = conn.ExecContext(unlockCtx, "SELECT pg_advisory_unlock($1)", lockID)
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_ = conn.Close()
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}
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return release, true
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}
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