基本框架
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docs/03-04-k3s-cloudflare-tunnel-配置接入.md
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# 03-05-k3s Cloudflare Tunnel 配置接入
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> 本文只讲 K3s 侧如何接入 Cloudflare Tunnel(`cloudflared` 部署、验证、排查)。
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## 前置条件
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- 已完成 `01-04-cloudflare-tunnel.md`
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- 已拿到 Tunnel Token 或凭据文件
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- Traefik 已可用(单节点/多节点均可)
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## 操作步骤
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1. 在 K3s 中创建保存 token/凭据的 Secret + Deployment。**唯一真源**:[`ansible/files/cloudflare-tunnel/cloudflared.yaml`](../ansible/files/cloudflare-tunnel/cloudflared.yaml)(替换 `TUNNEL_TOKEN` 占位符)。
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2. 部署 `cloudflared` 并确保重启后自动生效(按实际路径选择其一复制执行):
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```bash
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# 默认路径
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kubectl apply -f /var/lib/rancher/k3s/server/manifests/cloudflared.yaml
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kubectl -n kube-system rollout status deploy/cloudflared
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```
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```bash
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# 自定义 data-dir(如 /storage)
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kubectl apply -f /storage/server/manifests/cloudflared.yaml
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kubectl -n kube-system rollout status deploy/cloudflared
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```
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3. 将 `cloudflared.yaml` 放入上述 manifests 目录后,K3s 重启时会自动加载。
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建议要点:
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- 使用官方 `cloudflared` 镜像
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- Secret 不写死在明文 YAML
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- `cloudflared` 放在 `kube-system` 或专用 namespace
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## 验证命令
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```bash
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kubectl -n kube-system get pods | grep cloudflared
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kubectl -n kube-system logs deploy/cloudflared --tail=100
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```
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## 预期
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- 日志中可见 tunnel connected
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- 访问域名可到达 Traefik 路由
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## 失败排查
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- 域名解析正常但访问超时:先看 Tunnel 状态与 `cloudflared` 日志
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- 返回 `404`:通常是 Traefik 路由未命中
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- 返回 `502`:优先排查后端链路(`06-01-k3s-networkpolicy-故障排查.md`)
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## 下一步
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- `05-03-k3s-安装gitlab-含runner.md`
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- `05-01-k3s-部署homer首页面板.md`
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