mirror of
https://github.com/wassname/ray.git
synced 2026-06-29 13:15:35 +08:00
Simon Mo
97 lines
3.4 KiB
Python
97 lines
3.4 KiB
Python
from collections import defaultdict
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import random
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import os
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import pytest
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import ray
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from ray import serve
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from ray.serve.config import BackendConfig
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from ray.serve.constants import LongPollKey
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if os.environ.get("RAY_SERVE_INTENTIONALLY_CRASH", False) == 1:
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serve.controller._CRASH_AFTER_CHECKPOINT_PROBABILITY = 0.5
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@pytest.fixture(scope="session")
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def _shared_serve_instance():
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# Note(simon):
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# This line should be not turned on on master because it leads to very
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# spammy and not useful log in case of a failure in CI.
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# To run locally, please use this instead.
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# SERVE_LOG_DEBUG=1 pytest -v -s test_api.py
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# os.environ["SERVE_LOG_DEBUG"] = "1" <- Do not uncomment this.
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# Overriding task_retry_delay_ms to relaunch actors more quickly
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ray.init(
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num_cpus=36,
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_metrics_export_port=9999,
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_system_config={
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"metrics_report_interval_ms": 1000,
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"task_retry_delay_ms": 50
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})
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yield serve.start(detached=True)
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@pytest.fixture
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def serve_instance(_shared_serve_instance):
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yield _shared_serve_instance
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controller = _shared_serve_instance._controller
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# Clear all state between tests to avoid naming collisions.
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for endpoint in ray.get(controller.get_all_endpoints.remote()):
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_shared_serve_instance.delete_endpoint(endpoint)
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for backend in ray.get(controller.get_all_backends.remote()).keys():
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_shared_serve_instance.delete_backend(backend, force=True)
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@pytest.fixture
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def mock_controller_with_name():
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@ray.remote(num_cpus=0)
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class MockControllerActor:
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def __init__(self):
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from ray.serve.long_poll import LongPollHost
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self.host = LongPollHost()
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self.backend_replicas = defaultdict(list)
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self.backend_configs = dict()
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self.clear()
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def clear(self):
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self.host.notify_changed(LongPollKey.REPLICA_HANDLES, {})
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self.host.notify_changed(LongPollKey.TRAFFIC_POLICIES, {})
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self.host.notify_changed(LongPollKey.BACKEND_CONFIGS, {})
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async def listen_for_change(self, snapshot_ids):
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return await self.host.listen_for_change(snapshot_ids)
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def set_traffic(self, endpoint, traffic_policy):
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self.host.notify_changed(LongPollKey.TRAFFIC_POLICIES,
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{endpoint: traffic_policy})
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def add_new_replica(self,
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backend_tag,
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runner_actor,
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backend_config=BackendConfig()):
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self.backend_replicas[backend_tag].append(runner_actor)
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self.backend_configs[backend_tag] = backend_config
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self.host.notify_changed(
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LongPollKey.REPLICA_HANDLES,
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self.backend_replicas,
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)
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self.host.notify_changed(LongPollKey.BACKEND_CONFIGS,
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self.backend_configs)
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def update_backend(self, backend_tag: str,
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backend_config: BackendConfig):
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self.backend_configs[backend_tag] = backend_config
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self.host.notify_changed(LongPollKey.BACKEND_CONFIGS,
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self.backend_configs)
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name = f"MockController{random.randint(0,10e4)}"
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yield name, MockControllerActor.options(name=name).remote()
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@pytest.fixture
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def mock_controller(mock_controller_with_name):
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yield mock_controller_with_name[1]
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