mirror of
https://github.com/langgenius/dify.git
synced 2026-03-11 02:07:50 +08:00
6cb8d03bf6
- Introduce _app_id attribute to store application ID from system variables - Add _get_app_id method to retrieve and validate app_id - Update on_graph_start to log app_id during sandbox initialization - Integrate ArchiveSandboxStorage for persisting and restoring sandbox files - Ensure proper error handling for sandbox file operations
118 lines
4.7 KiB
Python
118 lines
4.7 KiB
Python
import logging
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from core.sandbox.manager import SandboxManager
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from core.sandbox.storage import ArchiveSandboxStorage
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from core.virtual_environment.__base.virtual_environment import VirtualEnvironment
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from core.workflow.graph_engine.layers.base import GraphEngineLayer
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from core.workflow.graph_events.base import GraphEngineEvent
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from extensions.ext_storage import storage
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logger = logging.getLogger(__name__)
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class SandboxInitializationError(Exception):
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pass
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class SandboxLayer(GraphEngineLayer):
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def __init__(self, tenant_id: str) -> None:
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super().__init__()
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self._tenant_id = tenant_id
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self._workflow_execution_id: str | None = None
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self._app_id: str | None = None
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def _get_workflow_execution_id(self) -> str:
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workflow_execution_id = self.graph_runtime_state.system_variable.workflow_execution_id
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if not workflow_execution_id:
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raise RuntimeError("workflow_execution_id is not set in system variables")
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return workflow_execution_id
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def _get_app_id(self) -> str:
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app_id = self.graph_runtime_state.system_variable.app_id
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if not app_id:
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raise RuntimeError("app_id is not set in system variables")
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return app_id
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@property
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def sandbox(self) -> VirtualEnvironment:
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if self._workflow_execution_id is None:
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raise RuntimeError("Sandbox not initialized. Ensure on_graph_start() has been called.")
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sandbox = SandboxManager.get(self._workflow_execution_id)
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if sandbox is None:
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raise RuntimeError(f"Sandbox not found for workflow_execution_id={self._workflow_execution_id}")
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return sandbox
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def on_graph_start(self) -> None:
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self._workflow_execution_id = self._get_workflow_execution_id()
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self._app_id = self._get_app_id()
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try:
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from core.sandbox.initializer import AppAssetsInitializer, DifyCliInitializer
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from services.sandbox.sandbox_provider_service import SandboxProviderService
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logger.info("Initializing sandbox for tenant_id=%s, app_id=%s", self._tenant_id, self._app_id)
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builder = (
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SandboxProviderService.create_sandbox_builder(self._tenant_id)
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.initializer(DifyCliInitializer())
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.initializer(AppAssetsInitializer(self._tenant_id, self._app_id))
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)
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sandbox = builder.build()
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SandboxManager.register(self._workflow_execution_id, sandbox)
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logger.info(
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"Sandbox initialized, workflow_execution_id=%s, sandbox_id=%s, sandbox_arch=%s",
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self._workflow_execution_id,
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sandbox.metadata.id,
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sandbox.metadata.arch,
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)
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sandbox_storage = ArchiveSandboxStorage(
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storage=storage,
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tenant_id=self._tenant_id,
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sandbox_id=self._workflow_execution_id,
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)
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if sandbox_storage.mount(sandbox):
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logger.info("Sandbox files restored, workflow_execution_id=%s", self._workflow_execution_id)
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except Exception as e:
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logger.exception("Failed to initialize sandbox")
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raise SandboxInitializationError(f"Failed to initialize sandbox: {e}") from e
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def on_event(self, event: GraphEngineEvent) -> None:
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pass
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def on_graph_end(self, error: Exception | None) -> None:
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if self._workflow_execution_id is None:
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logger.debug("No workflow_execution_id set, nothing to release")
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return
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sandbox = SandboxManager.unregister(self._workflow_execution_id)
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if sandbox is None:
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logger.debug("No sandbox to release for workflow_execution_id=%s", self._workflow_execution_id)
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return
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sandbox_id = sandbox.metadata.id
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logger.info(
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"Releasing sandbox, workflow_execution_id=%s, sandbox_id=%s",
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self._workflow_execution_id,
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sandbox_id,
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)
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try:
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sandbox_storage = ArchiveSandboxStorage(
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storage=storage,
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tenant_id=self._tenant_id,
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sandbox_id=self._workflow_execution_id,
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)
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sandbox_storage.unmount(sandbox)
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logger.info("Sandbox files persisted, workflow_execution_id=%s", self._workflow_execution_id)
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except Exception:
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logger.exception("Failed to persist sandbox files, workflow_execution_id=%s", self._workflow_execution_id)
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try:
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sandbox.release_environment()
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logger.info("Sandbox released, sandbox_id=%s", sandbox_id)
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except Exception:
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logger.exception("Failed to release sandbox, sandbox_id=%s", sandbox_id)
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finally:
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self._workflow_execution_id = None
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