Files
robertvoy-ComfyUI-Distributed/tests/test_load_balance_queueing.py

222 lines
9.4 KiB
Python

import importlib.util
import sys
import types
import unittest
from pathlib import Path
from unittest.mock import AsyncMock, patch
def _load_queue_orchestration_module():
module_path = Path(__file__).resolve().parents[1] / "api" / "queue_orchestration.py"
package_name = "dist_queue_orchestration_testpkg"
for mod_name in list(sys.modules):
if mod_name == package_name or mod_name.startswith(f"{package_name}."):
del sys.modules[mod_name]
root_pkg = types.ModuleType(package_name)
root_pkg.__path__ = []
sys.modules[package_name] = root_pkg
api_pkg = types.ModuleType(f"{package_name}.api")
api_pkg.__path__ = []
sys.modules[f"{package_name}.api"] = api_pkg
orchestration_pkg = types.ModuleType(f"{package_name}.api.orchestration")
orchestration_pkg.__path__ = []
sys.modules[f"{package_name}.api.orchestration"] = orchestration_pkg
utils_pkg = types.ModuleType(f"{package_name}.utils")
utils_pkg.__path__ = []
sys.modules[f"{package_name}.utils"] = utils_pkg
prompt_server_instance = types.SimpleNamespace(
distributed_pending_jobs={},
distributed_worker_reservations={},
)
server_module = types.ModuleType("server")
server_module.PromptServer = types.SimpleNamespace(instance=prompt_server_instance)
sys.modules["server"] = server_module
async_helpers_module = types.ModuleType(f"{package_name}.utils.async_helpers")
async_helpers_module.queue_prompt_payload = AsyncMock(
return_value={"prompt_id": "prompt-master", "number": 1, "node_errors": {}}
)
sys.modules[f"{package_name}.utils.async_helpers"] = async_helpers_module
config_module = types.ModuleType(f"{package_name}.utils.config")
config_module.load_config = lambda: {
"workers": [{"id": "w1", "name": "Worker 1", "enabled": True, "host": "worker-1", "port": 8188}],
"settings": {"load_balance_idle_poll_interval_seconds": 0},
}
sys.modules[f"{package_name}.utils.config"] = config_module
constants_module = types.ModuleType(f"{package_name}.utils.constants")
constants_module.ORCHESTRATION_MEDIA_SYNC_CONCURRENCY = 4
constants_module.ORCHESTRATION_MEDIA_SYNC_TIMEOUT = 5.0
constants_module.ORCHESTRATION_WORKER_PROBE_CONCURRENCY = 8
constants_module.ORCHESTRATION_WORKER_PREP_CONCURRENCY = 4
sys.modules[f"{package_name}.utils.constants"] = constants_module
logging_module = types.ModuleType(f"{package_name}.utils.logging")
logging_module.debug_log = lambda *_args, **_kwargs: None
logging_module.log = lambda *_args, **_kwargs: None
sys.modules[f"{package_name}.utils.logging"] = logging_module
network_module = types.ModuleType(f"{package_name}.utils.network")
network_module.build_master_url = lambda *_args, **_kwargs: "http://master:8188"
network_module.build_master_callback_url = lambda *_args, **_kwargs: "http://master:8188"
sys.modules[f"{package_name}.utils.network"] = network_module
trace_module = types.ModuleType(f"{package_name}.utils.trace_logger")
trace_module.trace_debug = lambda *_args, **_kwargs: None
sys.modules[f"{package_name}.utils.trace_logger"] = trace_module
schemas_module = types.ModuleType(f"{package_name}.api.schemas")
schemas_module.parse_positive_int = lambda value, default: int(value if value is not None else default)
schemas_module.parse_positive_float = lambda value, default: float(value if value is not None else default)
sys.modules[f"{package_name}.api.schemas"] = schemas_module
dispatch_module = types.ModuleType(f"{package_name}.api.orchestration.dispatch")
dispatch_module.dispatch_worker_prompt = AsyncMock()
dispatch_module.select_active_workers = AsyncMock(return_value=([{"id": "w1", "name": "Worker 1"}], False))
dispatch_module.select_least_busy_worker = AsyncMock()
sys.modules[f"{package_name}.api.orchestration.dispatch"] = dispatch_module
media_sync_module = types.ModuleType(f"{package_name}.api.orchestration.media_sync")
media_sync_module.convert_paths_for_platform = lambda prompt, _sep: prompt
media_sync_module.fetch_worker_path_separator = AsyncMock(return_value=None)
media_sync_module.sync_worker_media = AsyncMock()
sys.modules[f"{package_name}.api.orchestration.media_sync"] = media_sync_module
prompt_transform_module = types.ModuleType(f"{package_name}.api.orchestration.prompt_transform")
class _PromptIndex:
def __init__(self, prompt):
self.prompt = prompt
self.inputs_by_node = {node_id: node.get("inputs", {}) for node_id, node in prompt.items()}
def nodes_for_class(self, class_type):
return [
node_id
for node_id, node in self.prompt.items()
if node.get("class_type") == class_type
]
def copy_prompt(self):
return {node_id: dict(node) for node_id, node in self.prompt.items()}
prompt_transform_module.PromptIndex = _PromptIndex
prompt_transform_module.apply_participant_overrides = lambda prompt, *_args, **_kwargs: prompt
prompt_transform_module.find_nodes_by_class = lambda prompt, class_type: [
node_id for node_id, node in prompt.items() if node.get("class_type") == class_type
]
prompt_transform_module.generate_job_id_map = lambda _prompt_index, _prefix: {"10": "job-10"}
prompt_transform_module.prepare_delegate_master_prompt = lambda prompt, _collector_ids: prompt
prompt_transform_module.prune_prompt_for_worker = lambda prompt: prompt
sys.modules[f"{package_name}.api.orchestration.prompt_transform"] = prompt_transform_module
spec = importlib.util.spec_from_file_location(
f"{package_name}.api.queue_orchestration",
module_path,
)
module = importlib.util.module_from_spec(spec)
assert spec is not None and spec.loader is not None
spec.loader.exec_module(module)
return module
queue_orchestration = _load_queue_orchestration_module()
class LoadBalanceQueueingTests(unittest.IsolatedAsyncioTestCase):
async def asyncSetUp(self):
queue_orchestration.ensure_distributed_state()
queue_orchestration.prompt_server.distributed_worker_reservations.clear()
queue_orchestration.prompt_server.distributed_pending_jobs.clear()
async def test_load_balance_reservation_selection_refreshes_reservations_between_polls(self):
queue_orchestration.prompt_server.distributed_worker_reservations["w1"] = 1
calls = []
async def fake_select(candidates, **_kwargs):
reserved_slots = candidates[0].get("reserved_slots")
calls.append(reserved_slots)
if reserved_slots:
await queue_orchestration._release_worker_reservation("w1")
return None
return candidates[0]
with patch.object(queue_orchestration, "select_least_busy_worker", side_effect=fake_select):
selected = await queue_orchestration._select_and_reserve_load_balance_worker(
[{"id": "w1", "name": "Worker 1"}],
"exec-test",
worker_probe_concurrency=1,
idle_poll_interval=0,
)
self.assertEqual(selected["id"], "w1")
self.assertEqual(calls, [1, 0])
self.assertEqual(queue_orchestration.prompt_server.distributed_worker_reservations, {"w1": 1})
async def test_load_balance_does_not_fallback_to_first_candidate_when_idle_selection_fails(self):
prompt = {
"10": {
"class_type": "DistributedCollector",
"inputs": {"load_balance": True},
}
}
with patch.object(
queue_orchestration,
"_select_and_reserve_load_balance_worker",
new=AsyncMock(return_value=None),
), patch.object(
queue_orchestration,
"dispatch_worker_prompt",
new=AsyncMock(),
) as dispatch_mock:
prompt_id, prompt_number, worker_count, node_errors = await queue_orchestration.orchestrate_distributed_execution(
prompt,
workflow_meta={},
client_id="client-1",
trace_execution_id="exec-test",
)
self.assertEqual((prompt_id, prompt_number, worker_count, node_errors), ("prompt-master", 1, 0, {}))
dispatch_mock.assert_not_awaited()
async def test_load_balance_releases_worker_reservation_when_dispatch_fails(self):
prompt = {
"10": {
"class_type": "DistributedCollector",
"inputs": {"load_balance": True},
}
}
async def select_first_candidate(candidates, **_kwargs):
return candidates[0]
with patch.object(
queue_orchestration,
"select_least_busy_worker",
side_effect=select_first_candidate,
), patch.object(
queue_orchestration,
"dispatch_worker_prompt",
new=AsyncMock(side_effect=RuntimeError("dispatch failed")),
):
with self.assertRaisesRegex(RuntimeError, "dispatch failed"):
await queue_orchestration.orchestrate_distributed_execution(
prompt,
workflow_meta={},
client_id="client-1",
trace_execution_id="exec-test",
)
self.assertEqual(queue_orchestration.prompt_server.distributed_worker_reservations, {})
if __name__ == "__main__":
unittest.main()