208 lines
5.6 KiB
Markdown
208 lines
5.6 KiB
Markdown
# AdGuard DNS Rewrite Opportunities
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## Overview
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AdGuard DNS at `192.168.1.2` can handle internal domain resolution, eliminating need for external DNS or hosts file entries.
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## Current Setup
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- **AdGuard URL**: `http://192.168.1.2`
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- **Status**: Running on Proxmox VM 102
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- **Homepage widget**: Configured
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## AI Service DNS Entries
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### Recommended DNS Rewrites
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Add these static DNS entries in AdGuard to resolve AI services locally:
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| Domain | IP Address | TTL | Purpose |
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|--------|------------|-----|---------|
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| `ai.nuclide.systems` | `192.168.1.40` | 300 | LiteLLM gateway |
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| `chat.nuclide.systems` | `192.168.1.40` | 300 | LobeHub chat |
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| `mcp.nuclide.systems` | `192.168.1.40` | 300 | MCP servers |
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| `litellm.nuclide.systems` | `192.168.1.40` | 300 | LiteLLM API |
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| `s3.nuclide.systems` | `192.168.1.40` | 300 | Garage S3 (Zoraxy proxy) |
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### Benefits
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1. **No external DNS needed** - All AI services resolve internally
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2. **Failover protection** - Works even if external DNS is unreachable
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3. **Faster resolution** - Local DNS vs external lookup
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4. **Simplified client config** - Services can use domain names directly
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## How to Add
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### Method 1: Web UI (Recommended)
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1. Open AdGuard: `http://192.168.1.2` (or via Zone: `http://192.168.1.2:3000`)
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2. Navigate to **DNS Settings** → **Static DNS Entries**
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3. Click **Add** for each service:
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```
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Domain: ai.nuclide.systems
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IP Address: 192.168.1.40
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TTL: 300
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```
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4. Click **Save**
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### Method 2: API
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```bash
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# Get session token first
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curl -c /tmp/cookies.txt -k -X POST http://192.168.1.2:3000/ \
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-H "Content-Type: application/json" \
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-d '{"username": "root", "password": "tapirnase"}'
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# Add static DNS entry
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curl -s -k -c /tmp/cookies.txt -b /tmp/cookies.txt \
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-X POST http://192.168.1.2:3000/admin/api/staticDNS \
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-H "Content-Type: application/json" \
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-d '{
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"domain": "ai.nuclide.systems",
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"ip": "192.168.1.40",
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"ttl": 300
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}'
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```
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### Method 3: Auto-configure (Script)
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Create `/opt/stacks/scripts/configure_adguard_dns.sh`:
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```bash
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#!/bin/bash
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# Configure AdGuard DNS for AI stack
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ADGUARD_HOST="192.168.1.2"
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ADGUARD_PORT="3000"
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TARGET_IP="192.168.1.40"
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# AI service domains to add
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DOMAINS=(
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"ai.nuclide.systems"
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"chat.nuclide.systems"
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"mcp.nuclide.systems"
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"litellm.nuclide.systems"
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"s3.nuclide.systems"
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)
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echo "🔧 Adding DNS entries to AdGuard..."
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for domain in "${DOMAINS[@]}"; do
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echo " → $domain → $TARGET_IP"
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# Note: This is a placeholder - actual API call needed
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done
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echo "✅ Done! Add these in AdGuard UI manually."
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```
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## Alternative Useful DNS Entries
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### NextCloud & Sync
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- `nc.nuclide.systems` → `192.168.1.40` (NextCloud web)
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- `sync.nuclide.systems` → Internal IP of Sync client
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### Garage S3
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- `storage.nuclide.systems` → `192.168.1.40` (Garage internal, port 3900)
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- `s3-local.nuclide.systems` → `192.168.1.40` (S3 API for local only)
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### Service Discovery
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- `api.nuclide.systems` → `192.168.1.40` (future API gateway)
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- `web.nuclide.systems` → `192.168.1.40` (general web services)
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### Immich
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- `immich.nuclide.systems` → `192.168.1.40` (Immich web & API)
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- `immich-api.nuclide.systems` → `192.168.1.40:2283` (Immich API only)
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### Paperless-ngx
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- `pp.nuclide.systems` → `192.168.1.40` (Paperless web)
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- `pp-api.nuclide.systems` → `192.168.1.40:8000` (Paperless API)
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### Home Assistant
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- `ha.nuclide.systems` → `192.168.1.10` (Home Assistant)
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- `homeassistant.local` → `192.168.1.10` (mDNS fallback)
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## Internal DNS Server Setup
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### Option A: Use AdGuard as Forwarding DNS
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Configure clients to use `192.168.1.2` as their DNS server:
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1. Proxmox Host: Edit `/etc/resolv.conf`
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2. Docker containers: Add DNS in docker-compose.yml
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3. VMs/PFs: Configure network settings
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### Option B: Create Custom Zone in AdGuard
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1. AdGuard → **DNS Settings** → **Zone Management**
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2. Add zone: `nuclide.systems`
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3. Add A records for all subdomains with proper IPs
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4. Zone file format:
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```
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@ IN SOA ns1.nuclide.systems. admin.nuclide.systems. (
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1 ; Serial
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3600 ; Refresh
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1800 ; Retry
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604800 ; Expire
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86400 ) ; Minimum TTL
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@ IN NS ns1.nuclide.systems.
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@ IN A 192.168.1.40
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ai IN A 192.168.1.40
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chat IN A 192.168.1.40
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mcp IN A 192.168.1.40
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l IN A 192.168.1.40 ; LiteLLM
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s3 IN A 192.168.1.40
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nc IN A 192.168.1.40 ; NextCloud
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```
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## Verification
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After adding DNS entries:
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```bash
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# Test from any machine on network
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dig ai.nuclide.systems @192.168.1.2
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dig chat.nuclide.systems @192.168.1.2
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# Should return: 192.168.1.40
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```
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## Integration with MCP/Gateway Config
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Update service configs to use domain names:
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### In LiteLLM Config (`/opt/stacks/ai/litellm-config/config.yaml`)
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```yaml
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general_settings:
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proxy_base_url: https://ai.nuclide.systems
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control_plane_url: https://ai.nuclide.systems
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```
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### In Karakeep (`.env`)
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```bash
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OPENAI_BASE_URL=https://ai.nuclide.systems/v1
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```
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### In LobeHub (`.env`)
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```bash
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APP_URL=https://chat.nuclide.systems
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S3_ENDPOINT=https://s3.nuclide.systems
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```
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## Migration Checklist
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- [ ] Add DNS entries to AdGuard
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- [ ] Verify resolution: `dig ai.nuclide.systems`
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- [ ] Update service configs to use domains
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- [ ] Test HTTPS connectivity
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- [ ] Remove old hosts file entries (if any)
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- [ ] Document for team
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## Notes
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- AdGuard runs on VM 102 at `192.168.1.2`
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- All AI services run on `192.168.1.40`
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- Using same IP for all domains is intentional (single endpoint)
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- SSL certs are issued by Zoraxy (public domain validation)
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- DNS-only setup doesn't require HTTP proxy (Zoraxy still handles HTTPS)
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