Rolle DNS Registrierung hinzugefügt

roles/dns-registrierung/templates/update-dns.sh.j2

@@ -0,0 +1,96 @@
+#!/bin/bash
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+DNS_SERVER="{{ dns_server }}"
+DNS_ZONE="{{ dns_zone }}"
+API_TOKEN="{{ api_token }}"
+
+HOSTNAME=$(hostname)
+IP_ADDRESS=$(hostname -I | awk '{print $1}')
+DOMAIN="$HOSTNAME.$DNS_ZONE"
+
+LOGFILE="/var/log/update-dns.log"
+DEBUG=true   # bei Bedarf auf false setzen
+
+log() {
+  echo "$(date '+%Y-%m-%d %H:%M:%S') | $1" | tee -a "$LOGFILE"
+}
+
+debug() {
+  if [ "$DEBUG" = true ]; then
+    log "DEBUG: $1"
+  fi
+}
+
+log "🔄 Starte DNS-Update für $DOMAIN ($IP_ADDRESS)"
+
+# --- CURL REQUEST -------------------------------------------------------------
+
+API_URL="http://$DNS_SERVER:5380/api/zones/records/add"
+QUERY="domain=$DOMAIN&zone=$DNS_ZONE&type=A&overwrite=true&IPAddress=$IP_ADDRESS&token=$API_TOKEN"
+
+debug "API-URL: $API_URL?$QUERY"
+
+response=$(curl \
+  --silent \
+  --show-error \
+  --write-out "%{http_code}" \
+  --output /tmp/dns_api_response.txt \
+  --max-time 10 \
+  "$API_URL?$QUERY" 2>/tmp/dns_api_error.txt || true)
+
+curl_exit=$?
+
+debug "Curl Exit-Code: $curl_exit"
+debug "HTTP-Code: $response"
+debug "Curl stderr: $(cat /tmp/dns_api_error.txt || true)"
+
+if [ "$curl_exit" -ne 0 ]; then
+  log "❌ Curl-Fehler beim DNS-Update (Exit-Code $curl_exit)"
+  log "    → $(cat /tmp/dns_api_error.txt || echo 'kein Fehlertext')"
+  exit 10
+fi
+
+if [ "$response" -ne 200 ]; then
+  log "❌ DNS-Server antwortete mit HTTP $response"
+  log "    API Response: $(cat /tmp/dns_api_response.txt || echo 'keine Antwort')"
+  exit 11
+fi
+
+log "✅ DNS-Eintrag erfolgreich gesetzt."
+
+# --- DNS CHECK ---------------------------------------------------------------
+
+log "🔍 Prüfe DNS-Eintrag mit dig..."
+
+max_retries=5
+retry_delay=2
+success=false
+
+for i in $(seq 1 "$max_retries"); do
+  dns_check=$(dig +time=2 +tries=1 +short "$DOMAIN" 2>/tmp/dns_dig_error.txt || true)
+
+  if [ -s /tmp/dns_dig_error.txt ]; then
+    debug "dig error: $(cat /tmp/dns_dig_error.txt)"
+  fi
+
+  if [ -n "$dns_check" ]; then
+    log "🟢 DNS-Eintrag gefunden: $dns_check"
+    success=true
+    break
+  else
+    log "🔁 Versuch $i/$max_retries: DNS-Eintrag noch nicht sichtbar"
+    sleep "$retry_delay"
+  fi
+done
+
+if [ "$success" = false ]; then
+  log "🔴 Kein DNS-Eintrag gefunden nach $max_retries Versuchen."
+  exit 12
+fi
+
+log "🎉 DNS-Update abgeschlossen."
+exit 0