Bestand aus ~/ansible-schule uebernehmen (Push-Setup, Stand Feb 2026)

Playbooks, Inventory, update-ips.sh, first-boot-setup.sh und Doku unveraendert aus dem alten git-losen Ordner uebernommen. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-13 13:11:24 +02:00
commit bd4384c36f
12 changed files with 706 additions and 0 deletions
--- a/update-ips.sh
+++ b/update-ips.sh
@@ -0,0 +1,82 @@
+#!/bin/bash
+#
+# Aktualisiert die IP-Adressen in inventory.yml via mDNS (hostname.local)
+#
+# Ausfuehren aus ~/ansible-schule:
+#   ./update-ips.sh
+#
+
+INVENTORY="$(dirname "$0")/inventory.yml"
+
+# Farben
+GREEN='\033[0;32m'
+RED='\033[0;31m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+echo "=== IP-Adressen aktualisieren ==="
+echo ""
+
+# Alle Hostnamen aus inventory.yml extrahieren (Zeilen mit "laptop" am Anfang)
+HOSTNAMES=$(grep -E '^\s+laptop[0-9]+:$' "$INVENTORY" | sed 's/://g' | tr -d ' ')
+
+if [ -z "$HOSTNAMES" ]; then
+    echo -e "${RED}Keine Laptops in inventory.yml gefunden${NC}"
+    exit 1
+fi
+
+UPDATED=0
+FAILED=0
+
+CURRENT_HOSTNAME=$(hostname)
+
+for HOST in $HOSTNAMES; do
+    printf "%-12s " "$HOST:"
+
+    IP=""
+
+    # Wenn es der lokale Rechner ist, eigene IPv4 verwenden
+    if [ "$HOST" = "$CURRENT_HOSTNAME" ]; then
+        IP=$(hostname -I | awk '{print $1}')
+        if [ -n "$IP" ]; then
+            echo -e "${GREEN}$IP${NC} (localhost)"
+        fi
+    else
+        # Methode 1: getent hosts (nur IPv4 filtern)
+        IP=$(getent hosts "${HOST}.local" 2>/dev/null | grep -E '^[0-9]+\.' | awk '{print $1}')
+
+        # Methode 2: avahi-resolve mit IPv4
+        if [ -z "$IP" ]; then
+            IP=$(avahi-resolve -4 -n "${HOST}.local" 2>/dev/null | awk '{print $2}')
+        fi
+
+        # Methode 3: ping (extrahiert IP aus Antwort)
+        if [ -z "$IP" ]; then
+            IP=$(ping -4 -c 1 -W 2 "${HOST}.local" 2>/dev/null | grep -oP '(\d+\.){3}\d+' | head -1)
+        fi
+
+        if [ -n "$IP" ]; then
+            echo -e "${GREEN}$IP${NC}"
+        fi
+    fi
+
+    if [ -n "$IP" ]; then
+        # IP in inventory.yml aktualisieren
+        sed -i "/${HOST}:$/,/ansible_host:/ s/ansible_host:.*/ansible_host: $IP/" "$INVENTORY"
+        ((UPDATED++))
+    else
+        echo -e "${RED}nicht erreichbar${NC}"
+        ((FAILED++))
+    fi
+done
+
+echo ""
+echo "=== Fertig ==="
+echo -e "Aktualisiert: ${GREEN}$UPDATED${NC}"
+echo -e "Nicht erreichbar: ${RED}$FAILED${NC}"
+
+if [ $UPDATED -gt 0 ]; then
+    echo ""
+    echo "Inventory testen:"
+    echo "  ansible all -m ping"
+fi