fix(vnc): Bridge erreicht QEMU-VNC (Kern-Bug) + Screenshots ins Projekt
Live-VNC rendert nie, weil die Bridge die VM nie erreichte: QEMU band 127.0.0.1 (Host-Loopback) und host.docker.internal resolved in der Bridge gar nicht. - aria-vm: --vnc-bind <ip> (Default 127.0.0.1 / env ARIA_VM_VNC_BIND). - Brain: _docker_gateway() (aus /proc/net/route) → boot bindet VNC an die Docker-Gateway-IP (container-erreichbar, NICHT im LAN/Internet). - docker-compose: bridge bekommt extra_hosts host.docker.internal:host-gateway. - Screenshot-Endpoint kopiert das PNG zusaetzlich nach /shared/projects/<pid>/screenshots/ → erscheint im Dateien-Panel. End-to-end auf dem Host validiert: Bridge liest den RFB-Handshake (b'RFB 003.008\n') von der Gateway-gebundenen VNC. aria-vm bereits live. py/bash clean. Deploy: brain rebuild + bridge NEU (extra_hosts). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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+35
-1
@@ -946,6 +946,23 @@ def project_file(project_id: str, path: str, binary: bool = False):
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_ARIA_VM_HOST = os.environ.get("ARIA_VM_SSH_HOST", "aria-wohnung")
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def _docker_gateway() -> str:
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"""Docker-Gateway-IP (= Host-IP auf dem Container-Netz), an die QEMU sein VNC
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binden soll: von der Bridge erreichbar, aber NICHT im LAN/Internet. Aus
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/proc/net/route (Default-Route), kein `ip`-Tool noetig."""
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try:
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import socket as _sock
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import struct as _struct
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with open("/proc/net/route") as f:
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for line in f.readlines()[1:]:
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fields = line.strip().split()
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if len(fields) >= 3 and fields[1] == "00000000" and int(fields[3], 16) & 2:
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return _sock.inet_ntoa(_struct.pack("<L", int(fields[2], 16)))
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except Exception:
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pass
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return ""
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def _ssh_aria_vm(*args: str, timeout: int = 25):
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import subprocess
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cmd = ["ssh", "-o", "StrictHostKeyChecking=no", "-o", "ConnectTimeout=8",
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@@ -1038,7 +1055,13 @@ def project_vm_boot(project_id: str, name: str):
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vm = project_vms_mod.get_vm(project_id, name)
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if not vm:
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raise HTTPException(status_code=404, detail=f"VM '{name}' nicht gefunden")
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rc, out, err = _ssh_aria_vm(*_vm_boot_args(vm), timeout=40)
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# VNC an die Docker-Gateway-IP binden, damit die Bridge den Stream tunneln
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# kann (Loopback ist von Containern nicht erreichbar). NICHT im LAN sichtbar.
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boot_args = _vm_boot_args(vm)
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gw = _docker_gateway()
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if gw:
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boot_args += ["--vnc-bind", gw]
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rc, out, err = _ssh_aria_vm(*boot_args, timeout=40)
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return {"ok": rc == 0, "name": name, "vnc_port": 5900 + int(vm.get("vnc_display", 1)),
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"output": (out.strip() or err.strip())[:500]}
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@@ -1074,7 +1097,18 @@ def project_vm_screenshot(project_id: str, name: str):
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raise HTTPException(status_code=500, detail=f"Screenshot-Datei nicht gefunden: {local}")
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with open(local, "rb") as f:
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data = f.read()
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# Auch ins Projekt kopieren → taucht im Dateien-Panel auf.
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proj_rel = ""
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try:
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shots_dir = os.path.join(_project_dir(project_id), "screenshots")
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os.makedirs(shots_dir, exist_ok=True)
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with open(os.path.join(shots_dir, os.path.basename(local)), "wb") as f:
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f.write(data)
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proj_rel = "screenshots/" + os.path.basename(local)
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except Exception:
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proj_rel = ""
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return {"ok": True, "name": name, "filename": os.path.basename(local),
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"projectPath": proj_rel,
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"base64": base64.b64encode(data).decode("ascii")}
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@@ -120,6 +120,8 @@ services:
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- brain
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networks:
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- aria-net
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extra_hosts:
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- "host.docker.internal:host-gateway" # fuer den VNC-Tunnel zum Host (QEMU)
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ports:
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- "3001:3001" # Diagnostic Web-UI (Diagnostic teilt Netzwerk mit Bridge)
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volumes:
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@@ -81,6 +81,11 @@ cmd_boot() {
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local bin; bin="$(qemu_bin_for "${arch}")"
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local iso="" floppy="" disk="" bootdev="" display=1 mem=1024 machine=""
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# VNC bindet an 127.0.0.1 (Loopback) — von aussen nur ueber den RVS-Tunnel der
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# Bridge erreichbar. Die Bridge (Container) kann Loopback aber NICHT erreichen;
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# der Brain gibt deshalb per --vnc-bind die Docker-Gateway-IP mit (container-
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# intern, NICHT im LAN/Internet). Default bleibt Loopback.
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local vncbind="${ARIA_VM_VNC_BIND:-127.0.0.1}"
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--iso) iso="${2:?}"; shift 2 ;;
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@@ -89,6 +94,7 @@ cmd_boot() {
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--boot) bootdev="${2:?}"; shift 2 ;; # Boot-Reihenfolge (a/c/d)
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--disk-boot) bootdev="c"; shift ;;
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--vnc-display) display="${2:?}"; shift 2 ;;
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--vnc-bind) vncbind="${2:?}"; shift 2 ;; # Bind-Adresse fuer -vnc
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--mem) mem="${2:?}"; shift 2 ;;
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--machine) machine="${2:?}"; shift 2 ;;
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*) die "unbekannte Option: $1" ;;
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@@ -103,7 +109,7 @@ cmd_boot() {
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die "Keine Boot-Medien fuer '${name}' (disk.qcow2 / --iso / --floppy). Erst 'create <name> <arch> <groesse>' oder ein Medium angeben."
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local args=(-name "${name}" -m "${mem}"
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-vnc "127.0.0.1:${display}"
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-vnc "${vncbind}:${display}"
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-monitor "unix:${d}/monitor.sock,server,nowait"
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-pidfile "${d}/pid" -daemonize)
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[[ -n "${disk}" ]] && args+=(-drive "file=${disk},format=qcow2")
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@@ -132,7 +138,7 @@ cmd_boot() {
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args+=(-boot "${bootdev}")
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"${bin}" "${args[@]}"
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echo "VM '${name}' gestartet (${arch}) — VNC 127.0.0.1:${display} (Port $((5900+display)))."
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echo "VM '${name}' gestartet (${arch}) — VNC ${vncbind}:${display} (Port $((5900+display)))."
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echo "vnc_display=${display} vnc_port=$((5900+display))"
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}
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