docs: add README.md, QUICKSTART.md, SUMMARY.md for K3s maintenance
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README.md
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README.md
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# K8s 叢集維護記錄
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# K3s 叢集管理
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## 連線資訊
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- **主機**: 192.168.42.120
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- **帳號**: ubuntu (SSH Key 登入)
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- **sudo**: `sudo -i` 可直接成為 root
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> 個人 K3s Kubernetes 叢集的 manifests 與維護腳本
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## K3s 目錄
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- **遠端**: `/root/k8s`
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- **本地**: `/Users/timmy/42_120/k8s`
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## 📖 文檔導航
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## 已部署服務
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### CodiMD (筆記應用)
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- manifests: `apps/codimd/manifests/`
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- 備份: `apps/codimd/backup/`
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- 腳本: deploy.sh, stop.sh, status.sh, backup.sh, restore.sh
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### Opengist (Git Snippets)
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- manifests: `apps/opengist/manifests/`
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- 備份: `apps/opengist/backup/`
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- 腳本: deploy.sh, stop.sh, status.sh, backup.sh, restore.sh
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### PostgreSQL (資料庫)
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- manifests: `apps/postgres/manifests/`
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- 備份: `apps/postgres/backups/`
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- 腳本: deploy.sh, stop.sh, status.sh, backup.sh
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## 叢集工具
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- `cluster/check_access.sh` - 檢查存取權限
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- `cluster/check_nodes.sh` - 檢查節點狀態
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- `cluster/check_storage.sh` - 檢查儲存空間
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| 文檔 | 用途 |
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|------|------|
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| **[SUMMARY.md](SUMMARY.md)** | 📋 服務總覽、快速參考 |
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| **[QUICKSTART.md](QUICKSTART.md)** | 🚀 快速入門、操作指南 |
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---
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⚠️ 維護時請同步更新本地與遠端檔案
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## 🖥️ 連線資訊
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```bash
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ssh ubuntu@192.168.42.120
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sudo -i # 切換 root
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cd /root/k8s # K3s 工作目錄
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```
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- **主機**: 192.168.42.120
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- **K3s 目錄**: `/root/k8s`
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- **本地目錄**: `/Users/timmy/42_120/k8s`
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- **Git Repo**: http://192.168.42.124:31337/timmy/k3s.git
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---
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## 🚀 已部署服務
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| 服務 | 用途 | 狀態腳本 |
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|------|------|----------|
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| [CodiMD](apps/codimd/) | Markdown 協作筆記 | `./apps/codimd/status.sh` |
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| [Opengist](apps/opengist/) | Git Snippets 管理 | `./apps/opengist/status.sh` |
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| [PostgreSQL](apps/postgres/) | 通用資料庫 | `./apps/postgres/status.sh` |
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---
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## 📂 目錄結構
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```
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k8s/
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├── apps/
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│ ├── codimd/ # 筆記應用
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│ ├── opengist/ # Git Snippets
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│ └── postgres/ # 資料庫
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└── cluster/ # 叢集工具
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```
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每個 app 都包含:
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- `manifests/` - Kubernetes YAML 檔案
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- `backup/` - 備份資料
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- `deploy.sh` - 部署腳本
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- `stop.sh` - 停止腳本(保留資料)
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- `status.sh` - 狀態檢查
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- `backup.sh` - 備份腳本
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---
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## ⚡ 快速命令
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```bash
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# 部署所有服務
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for app in apps/*/; do cd "$app" && ./deploy.sh && cd ../..; done
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# 檢查所有服務狀態
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for app in apps/*/; do cd "$app" && ./status.sh && cd ../..; done
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# 查看 K3s Pods
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kubectl get pods -A
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# 查看 Ingress
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kubectl get ingress -A
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```
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---
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## 🔧 維護工作流程
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1. **本地修改** → 在此目錄編輯 manifests 或腳本
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2. **Git 提交** → `git add -A && git commit -m "描述" && git push`
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3. **同步遠端** → `rsync -avz --rsync-path="sudo rsync" . ubuntu@192.168.42.120:/root/k8s/`
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4. **套用變更** → `kubectl apply -f manifests/`
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---
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## 📚 叢集架構
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```
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┌─────────────────────────────────────┐
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│ Traefik Ingress │
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│ (note.xxx.com / git.xxx.com) │
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└─────────────────┬───────────────────┘
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│
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┌─────────────┼─────────────┐
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│ │ │
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┌───▼───┐ ┌───▼───┐ ┌───▼───┐
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│ CodiMD│ │Opengist│ │PostgreSQL
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│ + │ │ │ │ (獨立)
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│ PG │ │ │ │
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└───────┘ └────────┘ └───────┘
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│ │ │
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└───▼─────────────▼─────────────▼───┘
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Longhorn Storage
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(持久化資料儲存)
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```
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---
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## 🔗 相關連結
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- [K3s 官方文檔](https://docs.k3s.io/)
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- [Traefik Ingress](https://doc.traefik.io/traefik/)
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- [Longhorn Storage](https://longhorn.io/)
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---
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⚠️ **注意**:維護時請同步本地與遠端,並定期執行備份!
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