Publish Vulpes Preview 15 sources for desktop, Android and Tundra
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
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103
tundra/tools/run-vm.py
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103
tundra/tools/run-vm.py
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#!/usr/bin/env python3
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"""Boot Tundra's graphical guest; no NIC, no host shares, disposable disk overlay."""
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import argparse
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import fcntl
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import json
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import hashlib
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import os
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from pathlib import Path
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import shutil
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import socket
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import subprocess
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import tempfile
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import time
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ROOT=Path(__file__).resolve().parents[1]
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OUT=ROOT/'out/graphical-vm'
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LOG=ROOT/'logs'
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def qmp(path, command, arguments=None):
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with socket.socket(socket.AF_UNIX) as sock:
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sock.settimeout(5)
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sock.connect(str(path))
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stream=sock.makefile('rwb',buffering=0)
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json.loads(stream.readline())
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stream.write(b'{"execute":"qmp_capabilities"}\n')
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while 'return' not in json.loads(stream.readline()): pass
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stream.write((json.dumps({'execute':command,'arguments':arguments or {}})+'\n').encode())
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while True:
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result=json.loads(stream.readline())
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if 'error' in result: raise RuntimeError(result)
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if 'return' in result: return result['return']
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def main():
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parser=argparse.ArgumentParser()
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parser.add_argument('--test',action='store_true',help='Headless real DRM display, guest tests and screenshot')
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parser.add_argument('--usb-test',action='store_true',help='Also test read-only FunctionFS on dummy_hcd inside the VM')
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parser.add_argument('--show',action='store_true',help='Show the QEMU window while running the automated test')
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parser.add_argument('--memory',type=int,default=3072)
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args=parser.parse_args()
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for name in ('root.ext4','vmlinuz','initramfs.cpio.gz','build.json'):
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if not (OUT/name).is_file(): raise SystemExit('Build first: python3 tundra/tools/build-vm.py')
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LOG.mkdir(exist_ok=True)
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label='graphical-vm' if args.test else 'graphical-vm-session'
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with (LOG/'graphical-vm.lock').open('w') as guard, tempfile.TemporaryDirectory(prefix='tundra-qmp-') as temp:
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fcntl.flock(guard,fcntl.LOCK_EX|fcntl.LOCK_NB)
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qmp_path=Path(temp)/'qmp.sock'
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serial=LOG/(label+'.log')
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serial.write_text('')
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command=['qemu-system-x86_64','-enable-kvm','-cpu','host','-smp','2','-m',str(args.memory),
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'-kernel',str(OUT/'vmlinuz'),'-initrd',str(OUT/'initramfs.cpio.gz'),
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'-append','console=ttyS0 rdinit=/init panic=-1'+(' tundra.test=1' if args.test else '')+(' tundra.usb=1' if args.usb_test else ''),
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'-drive',f'file={OUT}/root.ext4,format=raw,if=virtio,snapshot=on',
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'-net','none','-device','virtio-vga,xres=600,yres=960','-vga','none',
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'-device','virtio-keyboard-pci','-device','virtio-tablet-pci',
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'-display','none' if args.test and not args.show else 'gtk,zoom-to-fit=off',
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'-serial',f'file:{serial}','-qmp',f'unix:{qmp_path},server=on,wait=off','-no-reboot']
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captured=False
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clicked=False
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print(f'Tundra VM — {args.memory} MiB RAM, disque de session jetable, réseau local uniquement.',flush=True)
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proc=subprocess.Popen(command)
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deadline=time.monotonic()+240 if args.test else float('inf')
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try:
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while proc.poll() is None:
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log=serial.read_text(errors='replace')
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if 'TUNDRA_POINTER_HOME' in log and not clicked:
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qmp(qmp_path,'screendump',{'filename':str(LOG/(label+'-clock.ppm'))})
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qmp(qmp_path,'input-send-event',{'events':[
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{'type':'abs','data':{'axis':'x','value':16384}},
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{'type':'abs','data':{'axis':'y','value':32085}}]})
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time.sleep(.5)
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qmp(qmp_path,'input-send-event',{'events':[{'type':'btn','data':{'button':'left','down':True}}]})
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time.sleep(.1)
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qmp(qmp_path,'input-send-event',{'events':[{'type':'btn','data':{'button':'left','down':False}}]})
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clicked=True
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if 'TUNDRA_GUI_READY' in log and not captured:
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qmp(qmp_path,'screendump',{'filename':str(LOG/(label+'.ppm'))})
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captured=True
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print('Gaia guest checks passed; screenshot captured.',flush=True)
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if time.monotonic()>deadline:
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try: qmp(qmp_path,'screendump',{'filename':str(LOG/(label+'-failed.ppm'))})
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except Exception: pass
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raise TimeoutError(f'Guest did not finish; see {serial}')
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time.sleep(1)
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finally:
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if proc.poll() is None:
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proc.terminate()
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try: proc.wait(timeout=10)
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except subprocess.TimeoutExpired: proc.kill(); proc.wait()
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text=serial.read_text(errors='replace')
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reports=[line.removeprefix('TUNDRA_GUI_TEST ') for line in text.splitlines() if line.startswith('TUNDRA_GUI_TEST ')]
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decoded=[json.loads(item) for item in reports]
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report=next((item for item in decoded if 'uid' in item), decoded[-1] if decoded else {'passed':False,'error':'No guest test result'})
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usb_reports=[json.loads(line.removeprefix('TUNDRA_USB_TEST ')) for line in text.splitlines() if line.startswith('TUNDRA_USB_TEST ')]
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if args.usb_test:
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report['usb']=usb_reports[-1] if usb_reports else {'passed':False,'error':'No USB result'}
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report['passed']=report['passed'] and report['usb']['passed']
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report['buildManifestSha256']=hashlib.sha256((OUT/'build.json').read_bytes()).hexdigest()
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report.update(screenshot=captured, qemuExit=proc.returncode, scope='x86_64 VM only; no Pixel/HAL test')
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(LOG/(label+'-test.json')).write_text(json.dumps(report,indent=2)+'\n')
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print(json.dumps(report,indent=2))
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if args.test and not (report['passed'] and captured and proc.returncode==0): raise SystemExit(1)
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if __name__=='__main__': main()
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