refactor: supervisor部分方法重写

This commit is contained in:
UnCLAS-Prommer
2026-03-20 21:39:19 +08:00
committed by DrSmoothl
parent 6cc7e37b1e
commit 3d22657707

View File

@@ -1,98 +1,41 @@
"""Supervisor - 插件生命周期管理
负责:
1. 拉起 Runner 子进程
2. 健康检查 + 崩溃自动重启
3. 代码热重载generation 切换)
4. 优雅关停
"""
from typing import Any, Dict, List, Optional, Tuple
from pathlib import Path
from typing import Optional, List, Dict, Any, Tuple, TYPE_CHECKING
import asyncio
import contextlib
import logging as stdlib_logging
import os
import sys
from pathlib import Path
from src.common.logger import get_logger
from src.config.config import MMC_VERSION, global_config
from src.plugin_runtime import ENV_HOST_VERSION, ENV_IPC_ADDRESS, ENV_PLUGIN_DIRS, ENV_SESSION_TOKEN
from src.plugin_runtime.host.capability_service import CapabilityService
from src.plugin_runtime.host.component_registry import ComponentRegistry
from src.plugin_runtime.host.event_dispatcher import EventDispatcher
from src.plugin_runtime.host.policy_engine import PolicyEngine
from src.plugin_runtime.host.rpc_server import RPCServer
from src.plugin_runtime.host.workflow_executor import WorkflowExecutor, WorkflowContext, WorkflowResult
from src.config.config import global_config
from src.plugin_runtime.transport.factory import create_transport_server
from src.plugin_runtime.protocol.envelope import (
BootstrapPluginPayload,
ConfigUpdatedPayload,
Envelope,
HealthPayload,
LogBatchPayload,
RegisterComponentsPayload,
RegisterPluginPayload,
RunnerReadyPayload,
ShutdownPayload,
)
from src.plugin_runtime.protocol.errors import ErrorCode, RPCError
from src.plugin_runtime.transport.factory import create_transport_server
logger = get_logger("plugin_runtime.host.supervisor")
from .authorization import AuthorizationManager
from .capability_service import CapabilityService
from .rpc_server import RPCServer
from .logger_bridge import RunnerLogBridge
from .component_registry import ComponentRegistry
from .event_dispatcher import EventDispatcher
from .hook_dispatcher import HookDispatcher
from .message_gateway import MessageGateway
from .message_utils import PluginMessageUtils
if TYPE_CHECKING:
from src.chat.message_receive.message import SessionMessage
logger = get_logger("plugin_runtime.host.runner_manager")
# ─── 日志桥 ──────────────────────────────────────────────────────
class RunnerLogBridge:
"""将 Runner 进程上报的批量日志重放到主进程的 Logger 中。
Runner 通过 ``runner.log_batch`` IPC 事件批量到达。
每条 LogEntry 被重建为一个真实的 :class:`logging.LogRecord` 并直接
调用 ``logging.getLogger(entry.logger_name).handle(record)``
从而接入主进程已配置好的 structlog Handler 链。
"""
async def handle_log_batch(self, envelope: Envelope) -> Envelope:
"""IPC 事件处理器:解析批量日志并重放到主进程 Logger。
Args:
envelope: 方法名为 ``runner.log_batch`` 的 IPC 事件信封。
Returns:
空响应信封(事件模式下将被忽略)。
"""
try:
batch = LogBatchPayload.model_validate(envelope.payload)
except Exception as exc:
return envelope.make_error_response(ErrorCode.E_BAD_PAYLOAD.value, str(exc))
for entry in batch.entries:
# 重建一个与原始日志尽量相符的 LogRecord
record = stdlib_logging.LogRecord(
name=entry.logger_name,
level=entry.level,
pathname="<runner>",
lineno=0,
msg=entry.message,
args=(),
exc_info=None,
)
record.created = entry.timestamp_ms / 1000.0
record.msecs = entry.timestamp_ms % 1000
if entry.exception_text:
record.exc_text = entry.exception_text
stdlib_logging.getLogger(entry.logger_name).handle(record)
return envelope.make_response(payload={"accepted": True, "count": len(batch.entries)})
class PluginSupervisor:
"""插件 Supervisor
Host 端的核心管理器,负责整个插件 Runner 进程的生命周期。
"""
class PluginRunnerSupervisor:
"""插件的Runner管理器负责管理Runner的生命周期"""
def __init__(
self,
@@ -103,45 +46,34 @@ class PluginSupervisor:
runner_spawn_timeout_sec: Optional[float] = None,
):
_cfg = global_config.plugin_runtime
self._plugin_dirs = plugin_dirs or []
self._health_interval = (
health_check_interval_sec if health_check_interval_sec is not None else _cfg.health_check_interval_sec
)
self._runner_spawn_timeout = (
runner_spawn_timeout_sec if runner_spawn_timeout_sec is not None else _cfg.runner_spawn_timeout_sec
)
self._plugin_dirs: List[Path] = plugin_dirs or []
self._health_interval = health_check_interval_sec or _cfg.health_check_interval_sec or 30.0
self._runner_spawn_timeout = runner_spawn_timeout_sec or _cfg.runner_spawn_timeout_sec or 30.0
# 基础设施
self._transport = create_transport_server(socket_path=socket_path)
self._policy = PolicyEngine()
self._capability_service = CapabilityService(self._policy)
self._authorization = AuthorizationManager()
self._capability_service = CapabilityService(self._authorization)
self._component_registry = ComponentRegistry()
self._event_dispatcher = EventDispatcher(self._component_registry)
self._workflow_executor = WorkflowExecutor(self._component_registry)
self._hook_dispatcher = HookDispatcher(self._component_registry)
self._message_gateway = MessageGateway(self._component_registry)
# 编解码
# 编解码和服务器
from src.plugin_runtime.protocol.codec import MsgPackCodec
codec = MsgPackCodec()
self._rpc_server = RPCServer(
transport=self._transport,
codec=codec,
)
self._rpc_server = RPCServer(transport=self._transport, codec=codec)
# Runner 子进程
self._runner_process: Optional[asyncio.subprocess.Process] = None
self._runner_generation: int = 0
self._max_restart_attempts: int = (
max_restart_attempts if max_restart_attempts is not None else _cfg.max_restart_attempts
)
self._max_restart_attempts: int = max_restart_attempts or _cfg.max_restart_attempts or 3
self._restart_count: int = 0
# 已注册的插件组件信息
self._registered_plugins: Dict[str, RegisterComponentsPayload] = {}
self._staged_registered_plugins: Dict[str, RegisterComponentsPayload] = {}
self._runner_ready_events: Dict[int, asyncio.Event] = {}
self._runner_ready_payloads: Dict[int, RunnerReadyPayload] = {}
self._registered_plugins: Dict[str, RegisterPluginPayload] = {}
self._runner_ready_events: asyncio.Event = asyncio.Event()
self._runner_ready_payloads: RunnerReadyPayload = RunnerReadyPayload()
# 后台任务
self._health_task: Optional[asyncio.Task] = None
@@ -153,11 +85,11 @@ class PluginSupervisor:
self._log_bridge: RunnerLogBridge = RunnerLogBridge()
# 注册内部 RPC 方法
self._register_internal_methods()
self._register_internal_methods() # TODO: 完成内部方法注册
@property
def policy_engine(self) -> PolicyEngine:
return self._policy
def authorization_manager(self) -> AuthorizationManager:
return self._authorization
@property
def capability_service(self) -> CapabilityService:
@@ -172,8 +104,12 @@ class PluginSupervisor:
return self._event_dispatcher
@property
def workflow_executor(self) -> WorkflowExecutor:
return self._workflow_executor
def hook_dispatcher(self) -> HookDispatcher:
return self._hook_dispatcher
@property
def message_gateway(self) -> MessageGateway:
return self._message_gateway
@property
def rpc_server(self) -> RPCServer:
@@ -182,64 +118,26 @@ class PluginSupervisor:
async def dispatch_event(
self,
event_type: str,
message: Optional[Dict[str, Any]] = None,
message: Optional["SessionMessage"] = None,
extra_args: Optional[Dict[str, Any]] = None,
) -> Tuple[bool, Optional[Dict[str, Any]]]:
) -> Tuple[bool, Optional["SessionMessage"]]:
"""分发事件到所有对应 handler 的快捷方法。"""
return await self._event_dispatcher.dispatch_event(event_type, self, message, extra_args)
async def _invoke(plugin_id: str, component_name: str, args: Dict[str, Any]) -> Dict[str, Any]:
resp = await self.invoke_plugin(
method="plugin.emit_event",
plugin_id=plugin_id,
component_name=component_name,
args=args,
)
return resp.payload
async def dispatch_hook(self, stage: str, **kwargs):
"""分发Hook事件到所有对应 handler 的快捷方法。"""
return await self._hook_dispatcher.hook_dispatch(stage, self, **kwargs)
return await self._event_dispatcher.dispatch_event(
event_type=event_type,
invoke_fn=_invoke,
message=message,
extra_args=extra_args,
)
async def execute_workflow(
async def send_message_to_external(
self,
message: Optional[Dict[str, Any]] = None,
stream_id: Optional[str] = None,
context: Optional[WorkflowContext] = None,
) -> Tuple[WorkflowResult, Optional[Dict[str, Any]], WorkflowContext]:
"""执行 Workflow Pipeline 的快捷方法。"""
async def _invoke(plugin_id: str, component_name: str, args: Dict[str, Any]) -> Dict[str, Any]:
resp = await self.invoke_plugin(
method="plugin.invoke_workflow_step",
plugin_id=plugin_id,
component_name=component_name,
args=args,
)
payload = resp.payload
if payload.get("success"):
result = payload.get("result")
return result if isinstance(result, dict) else {}
raise RuntimeError(payload.get("result", "workflow step invoke failed"))
async def _command_invoke(plugin_id: str, component_name: str, args: Dict[str, Any]) -> Dict[str, Any]:
"""命令走 plugin.invoke_command保留原始返回值结构。"""
resp = await self.invoke_plugin(
method="plugin.invoke_command",
plugin_id=plugin_id,
component_name=component_name,
args=args,
)
return resp.payload
return await self._workflow_executor.execute(
invoke_fn=_invoke,
message=message,
stream_id=stream_id,
context=context,
command_invoke_fn=_command_invoke,
internal_message: "SessionMessage",
*,
enabled_only: bool = True,
save_to_db: bool = True,
) -> bool:
"""发送系统内部消息到外部平台的快捷方法。"""
return await self._message_gateway.send_message_to_external(
internal_message, self, enabled_only=enabled_only, save_to_db=save_to_db
)
async def start(self) -> None:
@@ -253,17 +151,13 @@ class PluginSupervisor:
# 启动 RPC Server
await self._rpc_server.start()
# 计算预期 generation与 reload_plugins 保持一致)
expected_generation = self._rpc_server.runner_generation + 1
# 拉起 Runner 进程
await self._spawn_runner()
# 等待 Runner 完成连接和初始化,避免 start() 返回时 Runner 尚未就绪
try:
await self._wait_for_runner_generation(expected_generation, timeout_sec=self._runner_spawn_timeout)
await self._wait_for_runner_ready(expected_generation, timeout_sec=self._runner_spawn_timeout)
await self._wait_for_runner_connection(timeout_sec=self._runner_spawn_timeout)
await self._wait_for_runner_ready(timeout_sec=self._runner_spawn_timeout)
except TimeoutError:
if not self._rpc_server.is_connected:
logger.warning(f"Runner 未在 {self._runner_spawn_timeout}s 内完成连接,后续操作可能失败")
@@ -279,6 +173,10 @@ class PluginSupervisor:
"""停止 Supervisor"""
self._running = False
# 停止组件
await self._event_dispatcher.stop()
await self._hook_dispatcher.stop()
# 停止健康检查
if self._health_task:
self._health_task.cancel()
@@ -305,439 +203,34 @@ class PluginSupervisor:
由主进程业务逻辑调用,通过 RPC 转发给 Runner。
"""
return await self._rpc_server.send_request(
method=method,
plugin_id=plugin_id,
payload={
"component_name": component_name,
"args": args or {},
},
timeout_ms=timeout_ms,
method,
plugin_id,
{"component_name": component_name, "args": args or {}},
timeout_ms,
)
async def reload_plugins(self, reason: str = "manual") -> bool:
"""热重载所有插件(进程级 generation 切换)
async def reload_plugin(self, plugin_id: str, reason: str = "manual") -> bool:
raise NotImplementedError("等待SDK完成") # TODO: 完成对应的调用和请求逻辑
1. 拉起新 Runner
2. 等待 Runner 完成注册和健康检查
3. 关停旧 Runner
"""
logger.info(f"开始热重载插件,原因: {reason}")
async def _wait_for_runner_connection(self, timeout_sec: float) -> None:
"""等待 Runner 连接上 RPC Server"""
# 保存旧进程引用和旧 session token回滚时需要恢复
old_process = self._runner_process
old_registered_plugins = dict(self._registered_plugins)
old_session_token = self._rpc_server.session_token
expected_generation = self._rpc_server.runner_generation + 1
async def wait_for_connection():
while self._running and not self._rpc_server.is_connected:
await asyncio.sleep(0.1)
# 允许新 Runner 以 staged 方式接入,验证通过后再切换活跃连接
self._rpc_server.begin_staged_takeover()
self._staged_registered_plugins.clear()
# 重新生成 session token防止被终止的旧 Runner 重连
self._rpc_server.reset_session_token()
# 注意:不在此处调用 _clear_runtime_state()。
# 旧组件在新 Runner 完成注册前继续提供服务,避免热重载窗口期内
# dispatch_event / execute_workflow 找不到任何组件导致消息静默丢失。
# ComponentRegistry.register_component 对同名组件是覆盖式写入,安全。
# 拉起新 Runner
try:
await self._spawn_runner()
await self._wait_for_runner_generation(
expected_generation,
timeout_sec=self._runner_spawn_timeout,
allow_staged=True,
)
await self._wait_for_runner_ready(expected_generation, timeout_sec=self._runner_spawn_timeout)
resp = await self._rpc_server.send_request(
"plugin.health",
timeout_ms=5000,
target_generation=expected_generation,
)
health = HealthPayload.model_validate(resp.payload)
if not health.healthy:
raise RPCError(ErrorCode.E_PLUGIN_CRASHED, "新 Runner 健康检查失败")
await self._rpc_server.commit_staged_takeover()
except Exception as e:
logger.error(f"新 Runner 健康检查失败: {e},回滚")
await self._terminate_process(self._runner_process, old_process)
await self._rpc_server.rollback_staged_takeover()
self._runner_process = old_process
self._rpc_server.restore_session_token(old_session_token)
self._staged_registered_plugins.clear()
self._registered_plugins = dict(old_registered_plugins)
self._rebuild_runtime_state()
return False
await asyncio.wait_for(wait_for_connection(), timeout=timeout_sec)
logger.info("Runner 已连接到 RPC Server")
except asyncio.TimeoutError as e:
raise TimeoutError(f"等待 Runner 连接超时({timeout_sec}s") from e
self._runner_generation = self._rpc_server.runner_generation
self._registered_plugins = dict(self._staged_registered_plugins)
self._staged_registered_plugins.clear()
self._rebuild_runtime_state()
async def _wait_for_runner_ready(self, timeout_sec: float = 30.0) -> RunnerReadyPayload:
"""等待 Runner 完成初始化并上报就绪"""
# 关停旧 Runner
if old_process and old_process.returncode is None:
try:
old_process.terminate()
await asyncio.wait_for(old_process.wait(), timeout=10.0)
except asyncio.TimeoutError:
old_process.kill()
logger.info("热重载完成")
return True
async def notify_plugin_config_updated(
self,
plugin_id: str,
config_data: Dict[str, Any],
config_version: str = "",
) -> bool:
"""通知指定插件其配置已更新。"""
if plugin_id not in self._registered_plugins:
return False
payload = ConfigUpdatedPayload(
plugin_id=plugin_id,
config_version=config_version,
config_data=config_data,
)
await self._rpc_server.send_request(
"plugin.config_updated",
plugin_id=plugin_id,
payload=payload.model_dump(),
timeout_ms=5000,
)
return True
# ─── 内部方法 ──────────────────────────────────────────────
def _register_internal_methods(self) -> None:
"""注册 Host 端的 RPC 方法处理器"""
# Runner -> Host 的能力调用统一走 capability_service
self._rpc_server.register_method("cap.request", self._capability_service.handle_capability_request)
self._rpc_server.register_method("plugin.bootstrap", self._handle_bootstrap_plugin)
# 插件注册
self._rpc_server.register_method("plugin.register_components", self._handle_register_components)
self._rpc_server.register_method("runner.ready", self._handle_runner_ready)
# Runner 日志批量上报
self._rpc_server.register_method("runner.log_batch", self._log_bridge.handle_log_batch)
async def _handle_bootstrap_plugin(self, envelope: Envelope) -> Envelope:
"""处理插件 bootstrap 请求,仅同步能力令牌。"""
try:
bootstrap = BootstrapPluginPayload.model_validate(envelope.payload)
except Exception as e:
return envelope.make_error_response(ErrorCode.E_BAD_PAYLOAD.value, str(e))
active_generation = self._rpc_server.runner_generation
staged_generation = self._rpc_server.staged_generation
if envelope.generation not in {active_generation, staged_generation}:
return envelope.make_error_response(
ErrorCode.E_GENERATION_MISMATCH.value,
f"插件 bootstrap generation 过期: {envelope.generation} 不在已知代际中",
)
if bootstrap.capabilities_required:
self._policy.register_plugin(
plugin_id=bootstrap.plugin_id,
generation=envelope.generation,
capabilities=bootstrap.capabilities_required,
)
else:
self._policy.revoke_plugin(bootstrap.plugin_id, generation=envelope.generation)
return envelope.make_response(payload={"accepted": True})
async def _handle_register_components(self, envelope: Envelope) -> Envelope:
"""处理插件组件注册请求"""
try:
reg = RegisterComponentsPayload.model_validate(envelope.payload)
except Exception as e:
return envelope.make_error_response(ErrorCode.E_BAD_PAYLOAD.value, str(e))
active_generation = self._rpc_server.runner_generation
staged_generation = self._rpc_server.staged_generation
if envelope.generation not in {active_generation, staged_generation}:
return envelope.make_error_response(
ErrorCode.E_GENERATION_MISMATCH.value,
f"组件注册 generation 过期: {envelope.generation} 不在已知代际中",
)
if envelope.generation == staged_generation and staged_generation != 0:
self._staged_registered_plugins[reg.plugin_id] = reg
logger.info(
f"插件 {reg.plugin_id} v{reg.plugin_version} staged 注册成功,"
f"组件数: {len(reg.components)}, 能力需求: {reg.capabilities_required}"
)
return envelope.make_response(payload={"accepted": True, "staged": True})
self._registered_plugins[reg.plugin_id] = reg
# 在策略引擎中注册插件
self._policy.register_plugin(
plugin_id=reg.plugin_id,
generation=envelope.generation,
capabilities=reg.capabilities_required or [],
)
# 同 generation 下重新注册时,以本次声明为准,避免残留幽灵组件
self._component_registry.remove_components_by_plugin(reg.plugin_id)
self._component_registry.register_plugin_components(
plugin_id=reg.plugin_id,
components=[c.model_dump() for c in reg.components],
)
stats = self._component_registry.get_stats()
logger.info(
f"插件 {reg.plugin_id} v{reg.plugin_version} 注册成功,"
f"组件数: {len(reg.components)}, 能力需求: {reg.capabilities_required}"
f"注册表总计: {stats}"
)
return envelope.make_response(payload={"accepted": True})
async def _handle_runner_ready(self, envelope: Envelope) -> Envelope:
"""处理 Runner 初始化完成信号。"""
try:
ready = RunnerReadyPayload.model_validate(envelope.payload)
except Exception as e:
return envelope.make_error_response(ErrorCode.E_BAD_PAYLOAD.value, str(e))
event = self._runner_ready_events.setdefault(envelope.generation, asyncio.Event())
self._runner_ready_payloads[envelope.generation] = ready
event.set()
logger.info(
f"Runner generation={envelope.generation} 已就绪,成功插件数: {len(ready.loaded_plugins)}"
f"失败插件数: {len(ready.failed_plugins)}"
)
return envelope.make_response(payload={"accepted": True})
async def _spawn_runner(self) -> None:
"""拉起 Runner 子进程"""
runner_module = "src.plugin_runtime.runner.runner_main"
address = self._transport.get_address()
token = self._rpc_server.session_token
env = os.environ.copy()
env[ENV_IPC_ADDRESS] = address
env[ENV_SESSION_TOKEN] = token
env[ENV_PLUGIN_DIRS] = os.pathsep.join(str(p) for p in self._plugin_dirs)
env[ENV_HOST_VERSION] = MMC_VERSION
self._runner_process = await asyncio.create_subprocess_exec(
sys.executable,
"-m",
runner_module,
env=env,
# stdout 不捕获Runner 的日志均通过 IPC 传㛹RunnerIPCLogHandler
stdout=None,
# stderr 捕获为 PIPE仅用于 IPC 建立前的进程级致命错误输出
stderr=asyncio.subprocess.PIPE,
)
self._attach_stderr_drain(self._runner_process)
self._runner_generation = self._rpc_server.runner_generation
logger.info(f"Runner 子进程已启动: pid={self._runner_process.pid}, generation={self._runner_generation}")
async def _shutdown_runner(self) -> None:
"""优雅关停 Runner"""
if not self._runner_process or self._runner_process.returncode is not None:
return
# 发送 prepare_shutdown
try:
if self._rpc_server.is_connected:
shutdown_payload = ShutdownPayload(reason="host_shutdown", drain_timeout_ms=5000)
await self._rpc_server.send_request(
"plugin.prepare_shutdown",
payload=shutdown_payload.model_dump(),
timeout_ms=5000,
)
await self._rpc_server.send_request(
"plugin.shutdown",
payload=shutdown_payload.model_dump(),
timeout_ms=5000,
)
except Exception as e:
logger.warning(f"发送关停命令失败: {e}")
# 等待进程退出
try:
await asyncio.wait_for(self._runner_process.wait(), timeout=10.0)
except asyncio.TimeoutError:
logger.warning("Runner 未在超时内退出,强制终止")
self._runner_process.kill()
await self._runner_process.wait()
await self._cleanup_stderr_drain()
async def _health_check_loop(self) -> None:
"""周期性健康检查 + 崩溃自动重启"""
while self._running:
await asyncio.sleep(self._health_interval)
# 检查 Runner 进程是否意外退出
if self._runner_process and self._runner_process.returncode is not None:
exit_code = self._runner_process.returncode
logger.warning(f"Runner 进程已退出 (exit_code={exit_code})")
if self._restart_count < self._max_restart_attempts:
self._restart_count += 1
logger.info(f"尝试重启 Runner ({self._restart_count}/{self._max_restart_attempts})")
# 清理旧的组件注册
for plugin_id in list(self._registered_plugins.keys()):
self._component_registry.remove_components_by_plugin(plugin_id)
self._policy.revoke_plugin(plugin_id)
self._registered_plugins.clear()
try:
self._clear_runtime_state()
# 重新生成 session token防止旧 Runner 僵尸进程用旧 token 重连
self._rpc_server.reset_session_token()
await self._spawn_runner()
except Exception as e:
logger.error(f"Runner 重启失败: {e}", exc_info=True)
else:
logger.error(f"Runner 连续崩溃 {self._max_restart_attempts} 次,停止重启")
continue
if not self._rpc_server.is_connected:
logger.warning("Runner 未连接,跳过健康检查")
continue
try:
resp = await self._rpc_server.send_request("plugin.health", timeout_ms=5000)
health = HealthPayload.model_validate(resp.payload)
if not health.healthy:
logger.warning(f"Runner 健康检查异常: {health}")
else:
# 健康检查成功,重置重启计数
self._restart_count = 0
except RPCError as e:
logger.error(f"健康检查失败: {e}")
except asyncio.CancelledError:
break
except Exception as e:
logger.error(f"健康检查异常: {e}")
async def _wait_for_runner_generation(
self,
expected_generation: int,
timeout_sec: float,
allow_staged: bool = False,
) -> None:
"""等待指定代际的 Runner 完成连接。"""
deadline = asyncio.get_running_loop().time() + timeout_sec
while asyncio.get_running_loop().time() < deadline:
if allow_staged and self._rpc_server.has_generation(expected_generation):
return
if self._rpc_server.is_connected and self._rpc_server.runner_generation >= expected_generation:
self._runner_generation = self._rpc_server.runner_generation
return
await asyncio.sleep(0.1)
raise TimeoutError(f"等待 Runner generation {expected_generation} 超时")
async def _wait_for_runner_ready(self, expected_generation: int, timeout_sec: float) -> RunnerReadyPayload:
"""等待指定代际的 Runner 完成初始化。"""
event = self._runner_ready_events.setdefault(expected_generation, asyncio.Event())
await asyncio.wait_for(event.wait(), timeout=timeout_sec)
return self._runner_ready_payloads.get(expected_generation, RunnerReadyPayload())
def _clear_runtime_state(self) -> None:
"""清空当前插件注册态。"""
self._component_registry.clear()
self._policy.clear()
self._registered_plugins.clear()
self._staged_registered_plugins.clear()
def _rebuild_runtime_state(self) -> None:
"""根据已记录的插件注册信息重建运行时状态。"""
self._component_registry.clear()
self._policy.clear()
for reg in self._registered_plugins.values():
self._policy.register_plugin(
plugin_id=reg.plugin_id,
generation=self._rpc_server.runner_generation,
capabilities=reg.capabilities_required or [],
)
self._component_registry.register_plugin_components(
plugin_id=reg.plugin_id,
components=[c.model_dump() for c in reg.components],
)
def _attach_stderr_drain(self, process: asyncio.subprocess.Process) -> None:
"""为 Runner stderr 创建排空任务,捕获 IPC 建立前的进程级错误输出。
stderr 中的内容通常是:
- Runner 启动早期(握手完成之前)的日志
- 进程级致命错误ImportError、SyntaxError等
- 异常进程退出前的最后输出
握手成功后,插件的所有日志均经由 RunnerIPCLogHandler 通过 IPC 传输。
"""
if process.stderr is None:
return
task = asyncio.create_task(
self._drain_runner_stderr(process.stderr, process.pid),
name=f"runner_stderr_drain:{process.pid}",
)
self._stderr_drain_task = task
task.add_done_callback(
lambda done_task: None if self._stderr_drain_task is not done_task else self._clear_stderr_drain_task()
)
def _clear_stderr_drain_task(self) -> None:
self._stderr_drain_task = None
async def _drain_runner_stderr(
self,
stream: asyncio.StreamReader,
pid: int,
) -> None:
"""持续读取 Runner stderr 并转发到 Host Logger防止 PIPE 锡死子进程。
Args:
stream: Runner 子进程的 stderr 流。
pid: 子进程 PID仅用于日志上下文。
"""
try:
while True:
line = await stream.readline()
if not line:
break
if message := line.decode(errors="replace").rstrip():
# 将 stderr 输出以 WARNING 级展示:
# 如果 Runner 正常运行,此流应当无输出;
# 有输出说明进程级错误发生,需要出现在主进程日志中
logger.warning(f"[runner:{pid}:stderr] {message}")
except asyncio.CancelledError:
raise
except Exception as exc:
logger.debug(f"读取 Runner stderr 失败 (pid={pid}): {exc}")
async def _cleanup_stderr_drain(self) -> None:
"""等待并取消 stderr 排空任务。"""
if self._stderr_drain_task is None:
return
task = self._stderr_drain_task
self._stderr_drain_task = None
if not task.done():
task.cancel()
with contextlib.suppress(Exception):
await asyncio.gather(task, return_exceptions=True)
@staticmethod
async def _terminate_process(
process: Optional[asyncio.subprocess.Process],
keep_process: Optional[asyncio.subprocess.Process] = None,
) -> None:
"""终止指定进程,但跳过需要保留的旧进程引用。"""
if process is None or process is keep_process or process.returncode is not None:
return
process.terminate()
try:
await asyncio.wait_for(process.wait(), timeout=10.0)
except asyncio.TimeoutError:
process.kill()
await process.wait()
await asyncio.wait_for(self._runner_ready_events.wait(), timeout=timeout_sec)
logger.info("Runner 已完成初始化并上报就绪")
return self._runner_ready_payloads
except asyncio.TimeoutError as e:
raise TimeoutError(f"等待 Runner 就绪超时({timeout_sec}s") from e