f03d2dc8a6
与控制面同仓同 go.mod,新增节点 agent 实现:
- proto/agent/v1/agent.proto + internal/pb/agentv1:冻结的控制面↔agent gRPC 契约
(Enroll/Register/Heartbeat/Subscribe/Ack/ReportUsage)。仓库尚无 protoc 流水线,
暂以手写 Go 类型 + JSON gRPC codec 实现,与 proto 1:1 对应,待 protoc 接入即可替换。
- internal/agentd:
- enroll.go:首启生成 EC 密钥+CSR,持 bootstrap token 调 Enroll 换 90d 节点证书
(CN=node_uuid),落 /etc/pangolin-agent/,此后 mTLS。
- conn.go(agent.go)+creds.go:mTLS 主动拨号 + 指数退避重连;重连携带 last_command_id;
Register 取 ConfigSnapshot 全量配置覆盖本地。
- heartbeat.go:30s 上报 peer/带宽/CPU + config_version;need_full_resync→全量同步。
- command.go:消费 Subscribe,Upsert/Revoke/Rotate/ApplyConfig/Lifecycle 幂等处理后
Ack(at-least-once,按 command_id 去重)。
- singbox.go+render.go:内存用户表 + 落盘 state.json(仅 dp_uuid+expires_at);任何变更
渲染完整 sing-box 配置(REALITY users[uuid,flow] + Hy2 users[派生口令])→ 500ms 去抖
合并 → systemd 重启。
- ttl.go:凭证 TTL 定时移除并上报。
- usage.go:按 dp_uuid 聚合上报,绝无 user_id/email/目的地址。
- derive.go:Hy2 口令 = HMAC-SHA256(key, dp_uuid),与控制面同源派生。
- cmd/agent:入口(flag/env 配置)。
- infra/cloud-init/{node.yaml.tmpl,install-node.sh,README.md}:一段式安装,下载锁定版本
二进制并校验 SHA-256,systemd 拉管,首启即 Enroll/Register。shellcheck -S warning 通过。
测试(bufconn mock 控制面,无需 docker):Enroll→Register→Heartbeat 全流转;Upsert/Revoke
渲染正确;Rotate 宽限期新旧并存到点移除;TTL 自动移除并上报;断流重连 last_command_id
续发不丢不重;need_full_resync 触发重注册;state.json 恢复;去抖合并;扫描确认无身份字段。
go test -race ./internal/agentd/... ./internal/pb/... 通过;go vet ./... 通过。
落实 doc/04 §2 节点无状态化与 doc/06 §3 数据面红线(节点仅见 dp_uuid)。
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
package agentd
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import (
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"context"
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"time"
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agentv1 "github.com/wangjia/pangolin/server/internal/pb/agentv1"
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)
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// UsageSource yields per-dp_uuid aggregate counters for the elapsed window. It
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// MUST return only dp_uuids and byte/minute counts — never user ids, addresses or
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// DNS. The default returns nothing (no stats backend wired); production plugs in a
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// sing-box stats reader.
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type UsageSource interface {
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// Collect drains and returns usage accumulated since the previous call.
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Collect() []*agentv1.UsageEntry
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}
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// nopUsageSource reports nothing.
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type nopUsageSource struct{}
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func (nopUsageSource) Collect() []*agentv1.UsageEntry { return nil }
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// runUsage periodically aggregates and uploads usage. Reporting failures are
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// logged but do not tear down the session (usage is best-effort, at-least-once).
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func (a *Agent) runUsage(ctx context.Context, client agentv1.AgentServiceClient) error {
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ticker := time.NewTicker(a.cfg.UsageInterval)
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defer ticker.Stop()
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windowStart := a.clock().Unix()
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for {
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select {
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case <-ctx.Done():
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return ctx.Err()
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case <-ticker.C:
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}
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entries := a.usage.Collect()
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if len(entries) == 0 {
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windowStart = a.clock().Unix()
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continue
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}
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now := a.clock().Unix()
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_, err := client.ReportUsage(ctx, &agentv1.UsageReport{
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NodeUUID: a.NodeUUID(),
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WindowStartUnix: windowStart,
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WindowEndUnix: now,
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Entries: entries,
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})
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if err != nil {
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// Connection-level errors should restart the session; surface them.
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return err
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}
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windowStart = now
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}
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}
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