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功能: v2.1 可观测性与流控 (#47)
* 功能: v2.1 可观测性与流控 — Prometheus + 节点带宽 + 审计 Webhook 核心能力: - Prometheus /metrics 端点:11 类指标(任务/存储/节点/SLA/验证/恢复/复制) - 节点级带宽限速生效:model.Node.BandwidthLimit 覆盖全局默认 - 审计日志 Webhook 外输:HMAC-SHA256 签名,配合 SIEM 合规留档 实现: - server/internal/metrics/ 独立 Registry + 异步 Gauge Collector(30s) - backup/restore/verify/replication 服务注入 metrics 钩子,nil 安全 - resolveProviderForNode() 按 task.NodeID 解析 BandwidthLimit - AuditService.SetWebhook + 动态 settings 推送,无需重启 测试: - metrics/registry_test.go: 注册/采集/nil safety/HTTP handler - service/audit_service_webhook_test.go: 签名正确性/异步投递/禁用路径 - go test ./... 全部通过 * chore: 触发 CodeQL 扫描
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@@ -7,6 +7,7 @@ import (
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"backupx/server/internal/apperror"
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"backupx/server/internal/config"
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"backupx/server/internal/metrics"
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"backupx/server/internal/repository"
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"backupx/server/internal/security"
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"backupx/server/internal/service"
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@@ -52,6 +53,8 @@ type RouterDependencies struct {
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MasterExternalURL string
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// DB 注入给健康检查端点做 liveness/readiness 探测。
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DB *gorm.DB
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// Metrics 注入给 /metrics 端点;为 nil 时端点返回 503。
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Metrics *metrics.Metrics
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}
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func NewRouter(deps RouterDependencies) *gin.Engine {
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@@ -311,6 +314,12 @@ func NewRouter(deps RouterDependencies) *gin.Engine {
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engine.GET("/api/health", healthHandler.Live)
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engine.GET("/api/ready", healthHandler.Ready)
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// Prometheus /metrics 端点(公开、无认证;内网/反向代理授权即可)。
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// 业内通行做法:/metrics 通常由 Prometheus pull 抓取,不走 API Key。
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if deps.Metrics != nil {
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engine.GET("/metrics", gin.WrapH(deps.Metrics.Handler()))
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}
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// 公开安装路由(不走 JWT 中间件)
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if deps.InstallTokenService != nil {
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gcCtx := deps.Context
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