mirror of
https://github.com/baketnk/frame-yap.git
synced 2026-10-06 05:00:04 +02:00
211 lines
11 KiB
Python
211 lines
11 KiB
Python
"""Hardware-free generic dispatcher exercise with a second, tiny executable backend."""
|
|
import hashlib
|
|
import json
|
|
import os
|
|
import signal
|
|
import time
|
|
from pathlib import Path
|
|
import struct
|
|
import subprocess
|
|
import sys
|
|
import tempfile
|
|
import unittest
|
|
|
|
ROOT = Path(__file__).resolve().parents[1]
|
|
sys.path.insert(0, str(ROOT / "python"))
|
|
from frameyap.model_files import load_backends
|
|
|
|
|
|
FAKE = '''#!/usr/bin/env python3
|
|
import os, struct, sys
|
|
read = sys.stdin.buffer.read
|
|
write = sys.stdout.buffer.write
|
|
assert len(sys.argv) in (3, 4), 'generic backend received unsupported flags'
|
|
if os.environ.get('FRAMEYAP_ADVANCED_DEBUG') != '0':
|
|
raise AssertionError('generic launcher must not receive Redux debug opt-in')
|
|
if os.environ.get('FAKE_PID_PATH'):
|
|
import signal
|
|
signal.signal(signal.SIGTERM, signal.SIG_IGN)
|
|
open(os.environ['FAKE_PID_PATH'], 'w').write(str(os.getpid()))
|
|
write(struct.pack('<I', 1) + b'Y'); sys.stdout.buffer.flush()
|
|
while True:
|
|
header = read(4)
|
|
if not header: break
|
|
if os.environ.get('FAKE_PID_PATH'):
|
|
import time
|
|
time.sleep(60)
|
|
size, = struct.unpack('<I', header)
|
|
payload = read(size)
|
|
assert payload[:1] == b'T' and len(payload) == 9
|
|
assert os.path.isfile(sys.argv[2] + '/clip.raw')
|
|
response = b'R' + payload[1:] + b'fixture transcript'
|
|
write(struct.pack('<I', len(response)) + response); sys.stdout.buffer.flush()
|
|
'''
|
|
|
|
|
|
def frame(payload):
|
|
return struct.pack('<I', len(payload)) + payload
|
|
|
|
|
|
def read_frame(stream):
|
|
size, = struct.unpack('<I', stream.read(4))
|
|
return stream.read(size)
|
|
|
|
|
|
class BackendDispatchTest(unittest.TestCase):
|
|
def test_second_executable_without_cpp_or_model_dependencies(self):
|
|
with tempfile.TemporaryDirectory() as temp:
|
|
root = Path(temp)
|
|
(root / 'assets/backends').mkdir(parents=True)
|
|
(root / 'python/frameyap').mkdir(parents=True)
|
|
(root / 'bin').mkdir()
|
|
(root / 'model/fake').mkdir(parents=True)
|
|
clip = root / 'clip'
|
|
clip.mkdir(mode=0o700)
|
|
(clip / 'clip.raw').write_bytes(b'\0' * (3200 * 4))
|
|
model = root / 'model/fake'
|
|
(model / 'weights.dat').write_bytes(b'fixture')
|
|
fake = root / 'bin/fake'
|
|
fake.write_text(FAKE)
|
|
fake.chmod(0o700)
|
|
manifest = {
|
|
'schema': 1, 'id': 'fake', 'display_name': 'Fake backend',
|
|
'launcher': {'type': 'executable', 'path': 'bin/fake',
|
|
'arguments': ['{model_dir}', '{clip_dir}', '{threads}'],
|
|
'protocol': 'frameyap-worker-v1'},
|
|
'model': {'source': 'https://example.org/fake', 'revision': 'test',
|
|
'files': [{'path': 'weights.dat', 'size': 7,
|
|
'sha256': hashlib.sha256(b'fixture').hexdigest()}]},
|
|
'attribution': 'Fixture only', 'license': {'id': 'MIT', 'text': 'Test-only fixture'},
|
|
'requirements': {'cpu': 'None', 'gpu': 'None'}}
|
|
(root / 'assets/backends/fake.json').write_text(json.dumps(manifest))
|
|
self.assertEqual(set(load_backends(root / 'assets/backends')), {'fake'})
|
|
argv = [sys.executable, str(ROOT / 'python/frameyap/backend_worker.py'),
|
|
'--backend', 'fake', '--root', str(root), '--python', sys.executable,
|
|
'--manifest-dir', str(root / 'assets/backends'), '--model', str(model),
|
|
'--clip-dir', str(clip), '--threads', '2']
|
|
env = {**os.environ, 'PYTHONDONTWRITEBYTECODE': '1'}
|
|
with subprocess.Popen(argv, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE, env=env) as child:
|
|
self.assertEqual(read_frame(child.stdout), b'Y')
|
|
child.stdin.write(frame(b'T' + (7).to_bytes(8, 'little')))
|
|
child.stdin.flush()
|
|
self.assertEqual(read_frame(child.stdout), b'R' + (7).to_bytes(8, 'little') + b'fixture transcript')
|
|
child.stdin.close()
|
|
self.assertEqual(child.wait(timeout=5), 0, child.stderr.read())
|
|
# Debug stays enabled in dispatcher, but arbitrary backend argv/env
|
|
# receives no Redux-specific flag or transcript logging opt-in.
|
|
with subprocess.Popen(argv + ['--advanced-debug'], stdin=subprocess.PIPE,
|
|
stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=env) as child:
|
|
self.assertEqual(read_frame(child.stdout), b'Y')
|
|
child.stdin.close()
|
|
self.assertEqual(child.wait(timeout=5), 0, child.stderr.read())
|
|
(model / 'weights.dat').write_bytes(b'corrupt')
|
|
with subprocess.Popen(argv, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE, env=env) as child:
|
|
self.assertEqual(read_frame(child.stdout), b'FM')
|
|
child.stdin.close()
|
|
self.assertEqual(child.wait(timeout=5), 1)
|
|
|
|
def test_status_consent_digest_rejected_before_installer_on_same_id_change(self):
|
|
with tempfile.TemporaryDirectory() as temp:
|
|
root = Path(temp)
|
|
manifests = root / 'backends'
|
|
manifests.mkdir()
|
|
store = root / 'models'
|
|
store.mkdir()
|
|
manifest = {
|
|
'schema': 1, 'id': 'fake', 'display_name': 'Fake',
|
|
'launcher': {'type': 'executable', 'path': 'bin/fake',
|
|
'arguments': ['{model_dir}', '{clip_dir}'], 'protocol': 'frameyap-worker-v1'},
|
|
'model': {'source': 'https://example.org/original', 'revision': 'v1',
|
|
'files': [{'path': 'fake', 'size': 1, 'sha256': '0' * 64}]},
|
|
'attribution': 'Test', 'license': {'id': 'MIT', 'text': 'Fixture'},
|
|
'requirements': {'cpu': 'None', 'gpu': 'None'}}
|
|
source = manifests / 'fake.json'
|
|
source.write_text(json.dumps(manifest))
|
|
old = hashlib.sha256(source.read_bytes()).hexdigest()
|
|
service = ROOT / 'scripts/backend-service.py'
|
|
base = [sys.executable, str(service), '--manifest-dir', str(manifests),
|
|
'--model-store', str(store)]
|
|
status = subprocess.run(base + ['--status'], capture_output=True, text=True, check=True)
|
|
self.assertIn(old, status.stdout)
|
|
self.assertIn('DONE', status.stdout)
|
|
marker = root / 'installer-ran'
|
|
installer = root / 'installer.sh'
|
|
installer.write_text('#!/bin/sh\nprintf "%s\\n" "$@" > ' + str(marker) + '\n')
|
|
install = base + ['--install', '--backend', 'fake', '--installer', str(installer),
|
|
'--expected-manifest-sha256', old]
|
|
manifest['model']['source'] = 'https://example.org/changed'
|
|
source.write_text(json.dumps(manifest))
|
|
wrong = subprocess.run(install, capture_output=True, text=True)
|
|
self.assertNotEqual(wrong.returncode, 0)
|
|
self.assertFalse(marker.exists(), wrong.stdout)
|
|
self.assertNotIn('DONE', wrong.stdout)
|
|
# Reusing a backend ID cannot silently re-authorize new sources.
|
|
new = hashlib.sha256(source.read_bytes()).hexdigest()
|
|
self.assertNotEqual(new, old)
|
|
self.assertEqual(subprocess.run(install[:-1] + [new], capture_output=True).returncode, 0)
|
|
self.assertTrue(marker.exists())
|
|
passed = marker.read_text().splitlines()
|
|
self.assertEqual(passed[passed.index('--expected-manifest-sha256') + 1], new)
|
|
|
|
def test_dispatcher_reaps_child_ignoring_term_on_eof_and_native_style_stop(self):
|
|
with tempfile.TemporaryDirectory() as temp:
|
|
root = Path(temp)
|
|
(root / 'assets/backends').mkdir(parents=True)
|
|
(root / 'bin').mkdir()
|
|
model = root / 'model'
|
|
model.mkdir()
|
|
(model / 'weights.dat').write_bytes(b'fixture')
|
|
clip = root / 'clip'
|
|
clip.mkdir(mode=0o700)
|
|
(clip / 'clip.raw').write_bytes(b'\0' * 12800)
|
|
fake = root / 'bin/fake'
|
|
fake.write_text(FAKE)
|
|
fake.chmod(0o700)
|
|
manifest = {'schema': 1, 'id': 'fake', 'display_name': 'Fake',
|
|
'launcher': {'type': 'executable', 'path': 'bin/fake',
|
|
'arguments': ['{model_dir}', '{clip_dir}'], 'protocol': 'frameyap-worker-v1'},
|
|
'model': {'source': 'https://example.org/fake', 'revision': 'test',
|
|
'files': [{'path': 'weights.dat', 'size': 7,
|
|
'sha256': hashlib.sha256(b'fixture').hexdigest()}]},
|
|
'attribution': 'Fixture', 'license': {'id': 'MIT', 'text': 'Fixture'},
|
|
'requirements': {'cpu': 'None', 'gpu': 'None'}}
|
|
(root / 'assets/backends/fake.json').write_text(json.dumps(manifest))
|
|
args = [sys.executable, str(ROOT / 'python/frameyap/backend_worker.py'),
|
|
'--backend', 'fake', '--root', str(root), '--python', sys.executable,
|
|
'--manifest-dir', str(root / 'assets/backends'), '--model', str(model),
|
|
'--clip-dir', str(clip), '--threads', '2']
|
|
for mode in ('eof', 'term'):
|
|
pidfile = root / ('pid-' + mode)
|
|
with subprocess.Popen(args, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE, start_new_session=True,
|
|
env={**os.environ, 'FAKE_PID_PATH': str(pidfile)}) as child:
|
|
self.assertEqual(read_frame(child.stdout), b'Y')
|
|
pid = int(pidfile.read_text())
|
|
if mode == 'eof':
|
|
child.stdin.close()
|
|
else:
|
|
child.stdin.write(frame(b'T' + (1).to_bytes(8, 'little')))
|
|
child.stdin.flush()
|
|
child.terminate()
|
|
try:
|
|
code = child.wait(timeout=3)
|
|
self.assertIn(code, (0, 1), child.stderr.read())
|
|
for _ in range(100):
|
|
if not Path('/proc/' + str(pid)).exists():
|
|
break
|
|
time.sleep(0.01)
|
|
self.assertFalse(Path('/proc/' + str(pid)).exists(), 'owned model still running')
|
|
finally:
|
|
# Same dedicated group as native. Kill only this test's processes.
|
|
try:
|
|
os.killpg(child.pid, signal.SIGKILL)
|
|
except ProcessLookupError:
|
|
pass
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|