Herb
bd4384c36f
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>
83 lines
2.0 KiB
Bash
Executable File
83 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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#
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# Aktualisiert die IP-Adressen in inventory.yml via mDNS (hostname.local)
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#
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# Ausfuehren aus ~/ansible-schule:
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# ./update-ips.sh
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#
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INVENTORY="$(dirname "$0")/inventory.yml"
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# Farben
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GREEN='\033[0;32m'
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RED='\033[0;31m'
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YELLOW='\033[1;33m'
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NC='\033[0m'
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echo "=== IP-Adressen aktualisieren ==="
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echo ""
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# Alle Hostnamen aus inventory.yml extrahieren (Zeilen mit "laptop" am Anfang)
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HOSTNAMES=$(grep -E '^\s+laptop[0-9]+:$' "$INVENTORY" | sed 's/://g' | tr -d ' ')
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if [ -z "$HOSTNAMES" ]; then
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echo -e "${RED}Keine Laptops in inventory.yml gefunden${NC}"
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exit 1
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fi
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UPDATED=0
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FAILED=0
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CURRENT_HOSTNAME=$(hostname)
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for HOST in $HOSTNAMES; do
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printf "%-12s " "$HOST:"
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IP=""
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# Wenn es der lokale Rechner ist, eigene IPv4 verwenden
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if [ "$HOST" = "$CURRENT_HOSTNAME" ]; then
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IP=$(hostname -I | awk '{print $1}')
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if [ -n "$IP" ]; then
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echo -e "${GREEN}$IP${NC} (localhost)"
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fi
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else
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# Methode 1: getent hosts (nur IPv4 filtern)
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IP=$(getent hosts "${HOST}.local" 2>/dev/null | grep -E '^[0-9]+\.' | awk '{print $1}')
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# Methode 2: avahi-resolve mit IPv4
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if [ -z "$IP" ]; then
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IP=$(avahi-resolve -4 -n "${HOST}.local" 2>/dev/null | awk '{print $2}')
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fi
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# Methode 3: ping (extrahiert IP aus Antwort)
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if [ -z "$IP" ]; then
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IP=$(ping -4 -c 1 -W 2 "${HOST}.local" 2>/dev/null | grep -oP '(\d+\.){3}\d+' | head -1)
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fi
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if [ -n "$IP" ]; then
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echo -e "${GREEN}$IP${NC}"
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fi
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fi
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if [ -n "$IP" ]; then
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# IP in inventory.yml aktualisieren
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sed -i "/${HOST}:$/,/ansible_host:/ s/ansible_host:.*/ansible_host: $IP/" "$INVENTORY"
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((UPDATED++))
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else
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echo -e "${RED}nicht erreichbar${NC}"
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((FAILED++))
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fi
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done
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echo ""
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echo "=== Fertig ==="
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echo -e "Aktualisiert: ${GREEN}$UPDATED${NC}"
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echo -e "Nicht erreichbar: ${RED}$FAILED${NC}"
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if [ $UPDATED -gt 0 ]; then
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echo ""
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echo "Inventory testen:"
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echo " ansible all -m ping"
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fi
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