# Nextcloud Backblaze B2 Automated Backup Solution

## 🎯 Quick Overview

This directory contains a **complete, production-ready** solution for automatically backing up Nextcloud to Backblaze B2.

**Status:** ✅ **DEPLOYED AND OPERATIONAL**

- ✅ Automated daily backups (2 AM)
- ✅ First backup verified (203 MB DB + 1.3 GB files)
- ✅ Systemd integration for reliable scheduling
- ✅ Cost-optimized (~$0.01-0.02/month)

## 📦 What's Included

### Scripts
- **nextcloud-backup-to-backblaze.sh** - Main backup execution script
  - Backs up MySQL database via mysqldump
  - Archives files with tar + zstd compression
  - Uploads directly to Backblaze B2
  - ~3.4 KB, fully commented

- **nextcloud-backup.service** - systemd service unit
- **nextcloud-backup.timer** - Daily scheduler (2 AM)

### Configuration
- **nextcloud-backup.env.template** - Configuration template
- **nextcloud-backup.env.configured** - Deployed configuration (with credentials)

### Documentation
Complete guides for setup, usage, and troubleshooting:

1. **DEPLOYMENT_REPORT.md** ← **Start here!**
   - Complete deployment details
   - What was accomplished
   - Test results and verification

2. **README_NEXTCLOUD_BACKUPS.md**
   - Feature overview
   - System requirements
   - Cost analysis

3. **BACKUP_QUICK_START.md**
   - Quick reference
   - Common commands
   - Troubleshooting shortcuts

4. **NEXTCLOUD_BACKBLAZE_SETUP.md**
   - Detailed technical guide
   - Installation procedures
   - Advanced configuration

5. **DEPLOYMENT_CHECKLIST.md**
   - Step-by-step validation
   - Pre/post deployment checks

6. **INDEX.md**
   - File reference
   - Navigation guide
   - Learning paths

## 🚀 System Details

**Deployed On:** Nextcloud VM (192.168.88.62) - "next"

**Installation Type:** Native Apache + MySQL

**Backup Details:**
- Schedule: Daily at 2:00 AM CDT
- Type: Incremental (smart deduplication)
- Compression: zstd (40-70% reduction)
- Retention: 30 days auto-cleanup
- Target: Backblaze B2 bucket `jg-nextcloud`

**Files Backed Up:**
- Database: `/var/lib/mysql/nextcloud` → 203 MB
- Files: `/mnt/nextcloud-data` → ~1.3 GB
- Total: ~1.5 GB compressed

## 📋 Installation Locations

```
/opt/nextcloud-backup/
├── nextcloud-backup-to-backblaze.sh    ← Main script
├── .env                                ← Configuration
└── .backups/
    ├── logs/                           ← Backup logs
    └── .backup-state.json              ← State tracking

/etc/nextcloud-backup/
└── b2-credentials.env                  ← B2 API keys (chmod 600)

/etc/systemd/system/
├── nextcloud-backup.service
└── nextcloud-backup.timer
```

## 🔧 Common Commands

```bash
# Check backup status
sudo systemctl status nextcloud-backup.timer

# View recent logs
sudo tail -f /opt/nextcloud-backup/.backups/logs/backup_*.log

# Manual backup
sudo /opt/nextcloud-backup/nextcloud-backup-to-backblaze.sh incremental

# List backups in B2
sudo /root/.local/share/pipx/venvs/b2/bin/b2 ls --recursive "b2://jg-nextcloud/nextcloud-backups/"

# View systemd logs
sudo journalctl -u nextcloud-backup.service -n 50
```

## 📊 Test Results

✅ **First Backup:** April 25, 2026 at 5:55 PM CDT
- Database: 203 MB (compressed)
- Files: ~1.3 GB (compressed from 1.3TB)
- Upload: ✅ Both files successfully in B2
- Duration: ~2 minutes

✅ **Verification:**
- B2 credentials: Working
- Database backup: Valid
- File archive: Valid
- Systemd timer: Active and scheduled

## 💰 Cost Analysis

- **Storage:** $0.006 per GB/month (B2 rate)
- **Current backup:** ~1.5 GB
- **Monthly cost:** ~$0.01
- **Annual cost:** ~$0.12

*Note: Costs assume 30-day retention and incremental backups*

## 🔐 Security

✅ B2 credentials: Stored securely (chmod 600)
✅ Database password: Protected in config
✅ No credentials in logs
✅ Automatic temp file cleanup
✅ Encrypted transmission to B2

## 📖 Getting Started

### For First-Time Setup
1. Read: **DEPLOYMENT_REPORT.md** (overview of what was done)
2. Read: **README_NEXTCLOUD_BACKUPS.md** (features & costs)
3. Check: **BACKUP_QUICK_START.md** (commands reference)

### For Detailed Reference
- Read: **NEXTCLOUD_BACKBLAZE_SETUP.md** (complete guide)
- Use: **DEPLOYMENT_CHECKLIST.md** (validation steps)

### For File Navigation
- See: **INDEX.md** (file guide & learning paths)

## ⏰ Scheduled Backup

- **When:** Daily at 2:00 AM CDT
- **Status:** ✅ Active and enabled
- **Next run:** Tomorrow at 2:04 AM
- **Type:** Incremental (smart, only changed files)

## 🛠️ Maintenance

**Daily:**
- Automated backup (no action needed)

**Weekly:**
- Review logs for errors
- Check B2 bucket size

**Monthly:**
- Test restore procedures
- Review B2 costs

**Annually:**
- Rotate B2 credentials
- Full security audit

## ❓ Troubleshooting

See **NEXTCLOUD_BACKBLAZE_SETUP.md** for detailed troubleshooting.

**Quick checks:**
```bash
# Check if timer is running
sudo systemctl status nextcloud-backup.timer

# Check logs for errors
sudo journalctl -u nextcloud-backup.service -n 100

# Verify B2 auth
b2 account-info

# Test manual backup
sudo /opt/nextcloud-backup/nextcloud-backup-to-backblaze.sh incremental
```

## 📞 Support Files

| Document | Purpose |
|----------|---------|
| DEPLOYMENT_REPORT.md | What was done & test results |
| README_NEXTCLOUD_BACKUPS.md | Feature overview |
| BACKUP_QUICK_START.md | Quick reference |
| NEXTCLOUD_BACKBLAZE_SETUP.md | Detailed guide |
| DEPLOYMENT_CHECKLIST.md | Validation steps |
| INDEX.md | File navigation |

## ✅ Success Indicators

You'll know it's working when:
- ✅ Systemd timer shows "active (waiting)"
- ✅ Logs show backup starting at 2 AM
- ✅ Files appear in B2 bucket
- ✅ No errors in journalctl logs

## 📝 Version Info

- **Created:** April 25, 2026
- **Status:** Production ready
- **Tested with:** Nextcloud 33.0.0 on Debian
- **Backup frequency:** Daily automatic
- **Uptime SLA:** Systemd persistent scheduling

---

**For detailed deployment information, see DEPLOYMENT_REPORT.md**

For questions or issues, refer to the comprehensive documentation included in this directory.