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Agent-Logs-Url: https://github.com/nextcloud/all-in-one/sessions/60fbe9fa-94d1-4fea-9f6e-d1fb56861388 Co-authored-by: szaimen <42591237+szaimen@users.noreply.github.com>
41 lines
1.2 KiB
Bash
41 lines
1.2 KiB
Bash
#!/bin/sh
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set -e
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if [ -z "$NC_DOMAIN" ]; then
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echo "ERROR: NC_DOMAIN is not set" >&2
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exit 1
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fi
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LOCAL_IP=""
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# Determine the server's primary LAN IP - use the source address chosen by the kernel
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# for a route to a well-known public IP (1.1.1.1 is used purely to query the routing table;
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# no traffic is sent there).
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LOCAL_IP=$(ip route get 1.1.1.1 2>/dev/null | awk '{for(i=1;i<=NF;i++) if($i=="src") {print $(i+1); exit}}')
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if [ -z "$LOCAL_IP" ]; then
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LOCAL_IP=$(hostname -I 2>/dev/null | awk '{print $1}')
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fi
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if [ -z "$LOCAL_IP" ]; then
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echo "ERROR: Could not determine local IP address" >&2
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exit 1
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fi
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echo "Nextcloud AIO dnsmasq: resolving $NC_DOMAIN -> $LOCAL_IP"
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echo "Configure your router's DHCP to hand out $LOCAL_IP as the DNS server for LAN clients."
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mkdir -p /etc/dnsmasq.d
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cat > /etc/dnsmasq.d/nextcloud-aio.conf << EOF
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# Auto-generated by Nextcloud AIO dnsmasq container.
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# Resolves NC_DOMAIN (and all its subdomains) to this server's local IP.
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address=/$NC_DOMAIN/$LOCAL_IP
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# Bind only to the LAN interface to avoid conflicts with any system DNS resolver.
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bind-interfaces
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listen-address=$LOCAL_IP
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EOF
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exec dnsmasq --no-daemon --log-queries --conf-dir=/etc/dnsmasq.d
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