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ddns/porkbun-ddns-test.sh
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carlitosbond dbf077e851 Initial commit — porkbun DDNS for carloselugo.com
Credentials sourced from .ddns-env (gitignored, chmod 600).
2026-04-28 12:26:26 +00:00

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#!/usr/bin/env bash
# ─────────────────────────────────────────────────────────────
# porkbun-ddns-test.sh
# Version de prueba — solo actualiza git.carloselugo.com
# ─────────────────────────────────────────────────────────────
source /opt/ddns/.ddns-env
DOMAIN="carloselugo.com"
SUBDOMAINS=("git")
LOG_FILE="/home/netintel/porkbun-ddns-test.log"
API_BASE="https://api.porkbun.com/api/json/v3"
log() { echo "[$(date '+%Y-%m-%d %H:%M:%S')] $*" | tee -a "$LOG_FILE" >&2; }
get_public_ip() {
local ip
ip=$(curl -4 -sf --max-time 5 https://api.ipify.org) ||
ip=$(curl -4 -sf --max-time 5 https://ifconfig.me) ||
ip=$(curl -4 -sf --max-time 5 https://icanhazip.com)
echo "$ip"
}
get_dns_ip() {
local subdomain="$1"
local response
response=$(curl -4 -sf --max-time 10 \
-X POST "$API_BASE/dns/retrieveByNameType/$DOMAIN/A/$subdomain" \
-H "Content-Type: application/json" \
-d "{\"apikey\":\"$API_KEY\",\"secretapikey\":\"$SECRET_KEY\"}")
log " [API retrieve] $response"
echo "$response" | grep -o '"content":"[^"]*"' | head -1 | cut -d'"' -f4
}
update_record() {
local subdomain="$1"
local new_ip="$2"
# editByNameType — no record ID needed, no risk of accidental create
local result
result=$(curl -4 -sf --max-time 10 \
-X POST "$API_BASE/dns/editByNameType/$DOMAIN/A/$subdomain" \
-H "Content-Type: application/json" \
-d "{\"apikey\":\"$API_KEY\",\"secretapikey\":\"$SECRET_KEY\",\"content\":\"$new_ip\",\"ttl\":\"600\"}")
log " [API editByNameType] $result"
echo "$result" | grep -o '"status":"[^"]*"' | head -1 | cut -d'"' -f4
}
main() {
log "=== PRUEBA INICIADA ==="
local forced_ip=""
while getopts "f:" opt; do
case $opt in
f) forced_ip="$OPTARG" ;;
*) echo "Uso: $0 [-f <ip>]"; exit 1 ;;
esac
done
local current_ip
if [ -n "$forced_ip" ]; then
current_ip="$forced_ip"
log "IP forzada manualmente: $current_ip"
else
current_ip=$(get_public_ip)
if [ -z "$current_ip" ]; then
log "ERROR: No se pudo obtener la IP pública."
exit 1
fi
log "IP pública actual: $current_ip"
fi
for subdomain in "${SUBDOMAINS[@]}"; do
log "── Procesando: $subdomain ──"
local dns_ip
dns_ip=$(get_dns_ip "$subdomain")
log " IP en DNS: ${dns_ip:-'(no encontrada)'}"
if [ "$current_ip" = "$dns_ip" ]; then
log " [$subdomain] Ya está actualizado ($current_ip). No se hace nada."
continue
fi
log " [$subdomain] Actualizando: ${dns_ip:-'?'}$current_ip"
local status
status=$(update_record "$subdomain" "$current_ip")
if [ "$status" = "SUCCESS" ]; then
log " [$subdomain] ✓ Actualizado correctamente."
else
log " [$subdomain] ✗ Falló. Status: $status"
fi
done
log "=== PRUEBA TERMINADA ==="
}
main "$@"