Claude
1bdc8e3845
- proxmox-inventory.sh: text inventory (RAM/CPU/Swap/Disk/IP/Gateway/Subnetz) - proxmox-inventory-json.sh: JSON variant with n8n webhook push, --vmids filter, --dry-run - n8n workflow: automated fact-sync between Proxmox and Outline docs, auto-creates pages for new VMIDs, ntfy summary notification - credentials (Outline/NTFY bearer tokens) intentionally excluded, see README
278 lines
9.7 KiB
Bash
278 lines
9.7 KiB
Bash
#!/usr/bin/env bash
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#
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# proxmox-inventory-json.sh
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# ---------------------------
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# Baut dasselbe Inventar wie proxmox-inventory.sh / inventory.sh, aber als
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# JSON, und sendet es per curl an einen n8n-Webhook. Das bestehende
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# Text-Script bleibt unverändert für manuelle Ausführung nutzbar.
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#
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# Voraussetzung: "jq" muss installiert sein.
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# apt install -y jq
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#
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# Nutzung:
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# chmod +x proxmox-inventory-json.sh
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# ./proxmox-inventory-json.sh # baut JSON + sendet an n8n (alle VMIDs)
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# ./proxmox-inventory-json.sh --dry-run # baut JSON, zeigt es nur an, sendet NICHT
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# ./proxmox-inventory-json.sh --print-only > inventory.json # nur JSON in Datei
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# ./proxmox-inventory-json.sh --vmids=101,102,138 # nur diese VMIDs verarbeiten (schnell zum Testen)
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#
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# Alternativ dauerhaft in der VMID_FILTER-Variable unten eintragen, z.B. VMID_FILTER="101,102,138".
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# Leer lassen ("") um wie gewohnt ALLE Container/VMs zu verarbeiten.
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# --vmids= überschreibt die Variable, falls beides gesetzt ist.
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#
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# Geplant ausführen (Cron, z. B. täglich 06:00 Uhr):
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# crontab -e
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# 0 6 * * * /root/proxmox-inventory-json.sh >> /var/log/proxmox-inventory.log 2>&1
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#
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set -euo pipefail
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# ---------------------------------------------------------------------------
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# KONFIGURATION - hier eure n8n-Webhook-URL eintragen
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# ---------------------------------------------------------------------------
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N8N_WEBHOOK_URL="https://n8n.example.com/webhook/REPLACE_ME"
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# Komma-getrennte Liste von VMIDs, die verarbeitet werden sollen, z.B. "101,102,138"
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# Leer lassen ("") um wie gewohnt ALLE Container/VMs zu verarbeiten.
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VMID_FILTER=""
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DRY_RUN=false
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PRINT_ONLY=false
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for arg in "$@"; do
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case "$arg" in
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--dry-run) DRY_RUN=true ;;
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--print-only) PRINT_ONLY=true ;;
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--vmids=*) VMID_FILTER="${arg#--vmids=}" ;;
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esac
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done
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# Prüft, ob eine VMID laut Filter verarbeitet werden soll.
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# Ohne Filter (VMID_FILTER leer) wird alles verarbeitet.
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should_process() {
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local vmid="$1"
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[ -z "$VMID_FILTER" ] && return 0
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case ",${VMID_FILTER}," in
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*",${vmid},"*) return 0 ;;
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*) return 1 ;;
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esac
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}
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if ! command -v jq >/dev/null 2>&1; then
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echo "'jq' ist nicht installiert - versuche automatische Installation..." >&2
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if command -v apt-get >/dev/null 2>&1; then
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apt-get update -qq && apt-get install -y -qq jq
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fi
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command -v jq >/dev/null 2>&1 || { echo "FEHLER: 'jq' konnte nicht automatisch installiert werden. Bitte manuell ausführen: apt install -y jq" >&2; exit 1; }
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echo "'jq' erfolgreich installiert." >&2
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fi
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cidr_to_netmask() {
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local cidr="$1"
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if ! [[ "$cidr" =~ ^[0-9]+$ ]] || [ "$cidr" -lt 0 ] || [ "$cidr" -gt 32 ]; then
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echo ""
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return
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fi
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local mask=0
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if [ "$cidr" -gt 0 ]; then
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mask=$(( 0xffffffff ^ ((1 << (32 - cidr)) - 1) ))
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fi
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printf "%d.%d.%d.%d" \
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"$(( (mask >> 24) & 255 ))" \
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"$(( (mask >> 16) & 255 ))" \
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"$(( (mask >> 8) & 255 ))" \
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"$(( mask & 255 ))"
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}
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TMP_LXC=$(mktemp)
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TMP_VM=$(mktemp)
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trap 'rm -f "$TMP_LXC" "$TMP_VM"' EXIT
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# ---------------------------------------------------------------------------
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# LXC Container
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# ---------------------------------------------------------------------------
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for VMID in $(pct list | awk 'NR>1 {print $1}'); do
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should_process "$VMID" || continue
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NAME=$(pct list | awk -v id="$VMID" '$1==id{print $NF}')
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STATUS=$(pct status "$VMID" 2>/dev/null | awk '{print $2}')
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CONFIG=$(pct config "$VMID" 2>/dev/null || true)
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HOSTNAME_CFG=$(echo "$CONFIG" | grep -E '^hostname:' | cut -d' ' -f2- || echo "")
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CORES=$(echo "$CONFIG" | grep -E '^cores:' | cut -d' ' -f2- || echo "")
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MEMORY=$(echo "$CONFIG" | grep -E '^memory:' | cut -d' ' -f2- || echo "")
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SWAP=$(echo "$CONFIG" | grep -E '^swap:' | cut -d' ' -f2- || echo "")
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DISK=$(echo "$CONFIG" | grep -E '^rootfs:' | grep -oP 'size=\K[^,]+' || echo "")
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STORAGE_POOL=$(echo "$CONFIG" | grep -E '^rootfs:' | cut -d' ' -f2- | cut -d: -f1 || echo "")
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NET0_LINE=$(echo "$CONFIG" | grep -E '^net0:' || true)
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CFG_GW=$(echo "$NET0_LINE" | grep -oP 'gw=\K[0-9.]+' || echo "")
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CFG_CIDR=$(echo "$NET0_LINE" | grep -oP 'ip=[0-9.]+/\K[0-9]+' || echo "")
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MAC=$(echo "$NET0_LINE" | grep -oP 'hwaddr=\K[0-9A-Fa-f:]+' || echo "")
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IP=""
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LIVE_GW=""
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LIVE_CIDR=""
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if [ "$STATUS" = "running" ]; then
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IP=$(pct exec "$VMID" -- ip -4 -o addr show scope global 2>/dev/null | head -1 | awk '{print $4}' | cut -d/ -f1 || echo "")
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LIVE_CIDR=$(pct exec "$VMID" -- ip -4 -o addr show scope global 2>/dev/null | head -1 | awk '{print $4}' | cut -d/ -f2 || echo "")
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LIVE_GW=$(pct exec "$VMID" -- ip -4 route show default 2>/dev/null | awk '{print $3}' | head -1 || echo "")
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fi
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GW="${LIVE_GW:-$CFG_GW}"
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CIDR="${LIVE_CIDR:-$CFG_CIDR}"
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NETMASK=""
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[ -n "$CIDR" ] && NETMASK=$(cidr_to_netmask "$CIDR")
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jq -n \
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--argjson vmid "$VMID" \
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--arg type "lxc" \
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--arg hostname "${HOSTNAME_CFG:-$NAME}" \
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--arg status "$STATUS" \
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--arg node "$(hostname)" \
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--arg cores "${CORES:-null}" \
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--arg memory_mb "${MEMORY:-null}" \
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--arg swap_mb "${SWAP:-null}" \
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--arg disk "$DISK" \
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--arg storage_pool "$STORAGE_POOL" \
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--arg ip "$IP" \
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--arg gateway "$GW" \
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--arg netmask "$NETMASK" \
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--arg mac "$MAC" \
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'{
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vmid: $vmid,
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type: $type,
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hostname: $hostname,
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status: $status,
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proxmox_node: $node,
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cores: (if $cores == "null" then null else ($cores|tonumber) end),
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memory_mb: (if $memory_mb == "null" then null else ($memory_mb|tonumber) end),
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swap_mb: (if $swap_mb == "null" then null else ($swap_mb|tonumber) end),
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disk: $disk,
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storage_pool: $storage_pool,
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ip: $ip,
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gateway: $gateway,
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netmask: $netmask,
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mac: $mac
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}' >> "$TMP_LXC"
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done
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# ---------------------------------------------------------------------------
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# VMs
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# ---------------------------------------------------------------------------
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for VMID in $(qm list | awk 'NR>1 {print $1}'); do
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should_process "$VMID" || continue
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NAME=$(qm list | awk -v id="$VMID" '$1==id{print $2}')
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STATUS=$(qm status "$VMID" 2>/dev/null | awk '{print $2}')
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CONFIG=$(qm config "$VMID" 2>/dev/null || true)
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CORES=$(echo "$CONFIG" | grep -E '^cores:' | cut -d' ' -f2- || echo "")
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MEMORY=$(echo "$CONFIG" | grep -E '^memory:' | cut -d' ' -f2- || echo "")
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DISKS_JSON="[]"
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DISKS_RAW=$(echo "$CONFIG" | grep -E '^(scsi|sata|virtio|ide)[0-9]+:' || true)
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if [ -n "$DISKS_RAW" ]; then
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DISKS_TMP=$(mktemp)
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echo "$DISKS_RAW" | while IFS= read -r LINE; do
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DEV=$(echo "$LINE" | cut -d: -f1)
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SIZE=$(echo "$LINE" | grep -oP 'size=\K[^,]+' || echo "")
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jq -n --arg device "$DEV" --arg size "$SIZE" '{device:$device, size:$size}'
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done > "$DISKS_TMP"
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DISKS_JSON=$(jq -s '.' "$DISKS_TMP")
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rm -f "$DISKS_TMP"
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fi
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IPCONFIG_LINE=$(echo "$CONFIG" | grep -E '^ipconfig0:' || true)
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CFG_GW=$(echo "$IPCONFIG_LINE" | grep -oP 'gw=\K[0-9.]+' || echo "")
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CFG_CIDR=$(echo "$IPCONFIG_LINE" | grep -oP 'ip=[0-9.]+/\K[0-9]+' || echo "")
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IP=""
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LIVE_CIDR=""
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if [ "$STATUS" = "running" ]; then
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AGENT_JSON=$(qm guest cmd "$VMID" network-get-interfaces 2>/dev/null || echo "")
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if [ -n "$AGENT_JSON" ]; then
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IP=$(echo "$AGENT_JSON" | grep -o '"ip-address":"[^"]*"' | grep -v '127.0.0.1' | cut -d'"' -f4 | head -1 || echo "")
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LIVE_CIDR=$(echo "$AGENT_JSON" | grep -oP '"prefix":\K[0-9]+' | head -1 || echo "")
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fi
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fi
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GW="${CFG_GW:-}"
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CIDR="${LIVE_CIDR:-$CFG_CIDR}"
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NETMASK=""
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[ -n "$CIDR" ] && NETMASK=$(cidr_to_netmask "$CIDR")
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jq -n \
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--argjson vmid "$VMID" \
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--arg type "vm" \
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--arg hostname "$NAME" \
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--arg status "$STATUS" \
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--arg node "$(hostname)" \
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--arg cores "${CORES:-null}" \
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--arg memory_mb "${MEMORY:-null}" \
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--argjson disks "$DISKS_JSON" \
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--arg ip "$IP" \
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--arg gateway "$GW" \
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--arg netmask "$NETMASK" \
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'{
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vmid: $vmid,
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type: $type,
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hostname: $hostname,
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status: $status,
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proxmox_node: $node,
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cores: (if $cores == "null" then null else ($cores|tonumber) end),
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memory_mb: (if $memory_mb == "null" then null else ($memory_mb|tonumber) end),
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disks: $disks,
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ip: $ip,
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gateway: $gateway,
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netmask: $netmask
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}' >> "$TMP_VM"
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done
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CONTAINERS_JSON=$(jq -s '.' "$TMP_LXC")
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VMS_JSON=$(jq -s '.' "$TMP_VM")
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# Prüfen, ob per --vmids/VMID_FILTER angeforderte VMIDs in Proxmox nicht existieren
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MISSING_JSON="[]"
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if [ -n "$VMID_FILTER" ]; then
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ALL_KNOWN_VMIDS=$( (pct list | awk 'NR>1{print $1}'; qm list | awk 'NR>1{print $1}') | sort -u)
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MISSING_TMP=$(mktemp)
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IFS=',' read -ra REQUESTED_VMIDS <<< "$VMID_FILTER"
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for rid in "${REQUESTED_VMIDS[@]}"; do
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if ! echo "$ALL_KNOWN_VMIDS" | grep -qx "$rid"; then
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jq -n --arg vmid "$rid" '{vmid: ($vmid|tonumber), reason: "VMID in Proxmox nicht gefunden (weder pct noch qm list)"}' >> "$MISSING_TMP"
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fi
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done
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if [ -s "$MISSING_TMP" ]; then
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MISSING_JSON=$(jq -s '.' "$MISSING_TMP")
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fi
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rm -f "$MISSING_TMP"
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fi
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PAYLOAD=$(jq -n \
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--arg host "$(hostname)" \
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--arg ts "$(date -u '+%Y-%m-%dT%H:%M:%SZ')" \
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--argjson containers "$CONTAINERS_JSON" \
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--argjson vms "$VMS_JSON" \
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--argjson missing "$MISSING_JSON" \
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'{proxmox_host: $host, generated_at: $ts, containers: $containers, vms: $vms, missing_vmids: $missing}')
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if [ "$PRINT_ONLY" = true ]; then
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echo "$PAYLOAD"
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exit 0
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fi
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echo "$PAYLOAD" | jq '.' >&2
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if [ "$DRY_RUN" = true ]; then
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echo "Dry-Run: es wurde NICHTS an n8n gesendet." >&2
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exit 0
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fi
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HTTP_CODE=$(curl -s -o /tmp/n8n-response.json -w "%{http_code}" \
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-X POST "$N8N_WEBHOOK_URL" \
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-H "Content-Type: application/json" \
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--data "$PAYLOAD")
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if [ "$HTTP_CODE" -ge 200 ] && [ "$HTTP_CODE" -lt 300 ]; then
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echo "OK: an n8n gesendet (HTTP $HTTP_CODE)" >&2
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else
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echo "FEHLER: n8n antwortete mit HTTP $HTTP_CODE" >&2
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cat /tmp/n8n-response.json >&2
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exit 1
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fi
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