2017b56985
## Changes - Created comprehensive NPM + Pi-hole setup documentation - Added DNS sync script to automatically sync NPM proxy hosts to Pi-hole - Updated hosts.yml with npm-pihole host entry ## Features - Automatic local DNS resolution for homelab services - Fixes 403 errors with "Internal Only" access lists - Hourly cron sync keeps Pi-hole updated with NPM changes - Cloudflare real IP configuration for proper IP detection ## Files Added - server-configs/networking/nginx-proxy-manager-pihole.md - server-configs/networking/scripts/npm-pihole-sync.sh ## Files Modified - server-configs/hosts.yml (added npm-pihole host) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
75 lines
1.8 KiB
Bash
Executable File
75 lines
1.8 KiB
Bash
Executable File
#!/bin/bash
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# NPM to Pi-hole DNS Sync
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# Syncs Nginx Proxy Manager proxy hosts to Pi-hole local DNS
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# All domains point to NPM's IP, not the forward destination
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set -e
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DRY_RUN=false
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if [[ "$1" == "--dry-run" ]]; then
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DRY_RUN=true
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fi
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# NPM's IP address (where all domains should point)
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NPM_IP="10.10.0.16"
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echo "NPM → Pi-hole DNS Sync"
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echo "============================================================"
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# Query NPM database for all enabled proxy hosts
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DOMAINS=$(docker exec nginx-proxy-manager_app_1 python3 -c '
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import sqlite3
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import json
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conn = sqlite3.connect("/data/database.sqlite")
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cursor = conn.cursor()
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cursor.execute("SELECT domain_names FROM proxy_host WHERE enabled = 1")
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domains = []
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for (domain_names,) in cursor.fetchall():
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for domain in json.loads(domain_names or "[]"):
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domains.append(domain)
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for domain in sorted(domains):
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print(domain)
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conn.close()
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')
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# Count records
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RECORD_COUNT=$(echo "$DOMAINS" | wc -l)
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echo "Found $RECORD_COUNT enabled proxy hosts"
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echo ""
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echo "All domains will point to NPM at: $NPM_IP"
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echo ""
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echo "Domains to sync:"
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echo "$DOMAINS" | awk -v ip="$NPM_IP" '{printf " %-15s %s\n", ip, $0}'
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if [ "$DRY_RUN" = true ]; then
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echo ""
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echo "[DRY RUN] Not applying changes"
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exit 0
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fi
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# Build new custom.list
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NEW_DNS="# Pi-hole Local DNS Records
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# Auto-synced from Nginx Proxy Manager
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# All domains point to NPM at $NPM_IP
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"
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while IFS= read -r domain; do
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NEW_DNS+="$NPM_IP $domain"$'\n'
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done <<< "$DOMAINS"
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# Write to Pi-hole
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echo "$NEW_DNS" | docker exec -i pihole tee /etc/pihole/custom.list > /dev/null
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# Reload Pi-hole DNS
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docker exec pihole pihole restartdns reload > /dev/null
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echo ""
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echo "✓ Updated $RECORD_COUNT DNS records in Pi-hole"
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echo "✓ All domains now point to NPM at $NPM_IP"
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echo "✓ Reloaded Pi-hole DNS"
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