Mike
94b6cc3be9
Includes homelab deploy tooling, image position/zoom manifest persistence, and full trading/casino stack. Co-authored-by: Cursor <cursoragent@cursor.com>
33 lines
1.0 KiB
Bash
33 lines
1.0 KiB
Bash
#!/usr/bin/env bash
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# DuckDNS IP-Updater — holt oeffentliche IPv4/IPv6 und meldet sie an DuckDNS.
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck source=/dev/null
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source "${SCRIPT_DIR}/env.homelab"
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: "${DUCKDNS_TOKEN:?DUCKDNS_TOKEN fehlt in deploy/env.homelab}"
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: "${DUCKDNS_DOMAIN:?DUCKDNS_DOMAIN fehlt in deploy/env.homelab}"
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SUBDOMAIN="${DUCKDNS_DOMAIN%%.*}"
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IPV4="$(curl -4 -fsS --max-time 15 https://api.ipify.org 2>/dev/null || true)"
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IPV6="$(curl -6 -fsS --max-time 15 https://api64.ipify.org 2>/dev/null || true)"
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if [[ -z "${IPV4}" && -z "${IPV6}" ]]; then
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echo "duckdns-update: keine oeffentliche IP ermittelbar" >&2
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exit 1
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fi
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URL="https://www.duckdns.org/update?domains=${SUBDOMAIN}&token=${DUCKDNS_TOKEN}&verbose=true"
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[[ -n "${IPV4}" ]] && URL+="&ip=${IPV4}"
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[[ -n "${IPV6}" ]] && URL+="&ipv6=${IPV6}"
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RESP="$(curl -fsS --max-time 20 "${URL}")"
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echo "$(date -Is) duckdns ${SUBDOMAIN}: ${RESP} (v4=${IPV4:-none} v6=${IPV6:-none})"
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case "${RESP}" in
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OK*) exit 0 ;;
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*) exit 1 ;;
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esac
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