76 lines
2.8 KiB
Python
76 lines
2.8 KiB
Python
"""SmolmachinesBottleBackend — the smolmachines implementation of
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BottleBackend (PRD 0023).
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Per PRD 0050 the per-provider provisioning steps (prompt, skills,
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the declarative provision-plan apply, supervise MCP registration)
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live on the `AgentProvider` plugin under `bot_bottle/contrib/`. The
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smolmachines backend only owns the steps that are about backend
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infrastructure: CA install (no-op for now), workspace, git copy-in."""
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from __future__ import annotations
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from contextlib import contextmanager
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from pathlib import Path
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from typing import Generator, Sequence
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from .. import ActiveAgent, Bottle, BottleBackend, BottleSpec
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from . import cleanup as _cleanup
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from . import enumerate as _enumerate
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from . import launch as _launch
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from . import resolve_plan as _resolve_plan
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from . import smolvm as _smolvm
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from .bottle import SmolmachinesBottle
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from .bottle_cleanup_plan import SmolmachinesBottleCleanupPlan
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from .bottle_plan import SmolmachinesBottlePlan
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from .provision import workspace as _workspace
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class SmolmachinesBottleBackend(
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BottleBackend["SmolmachinesBottlePlan", "SmolmachinesBottleCleanupPlan"]
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):
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"""smolmachines backend. Selected by
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`BOT_BOTTLE_BACKEND=smolmachines`."""
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name = "smolmachines"
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@classmethod
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def is_available(cls) -> bool:
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"""`smolvm` on PATH. The backend additionally needs macOS
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for libkrun + TSI, but `enumerate_active` / `cleanup` are
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host-shell ops that gracefully no-op on Linux too — the
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runtime check happens at `prepare`."""
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return _smolvm.is_available()
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def _resolve_plan(
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self, spec: BottleSpec, *, stage_dir: Path
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) -> SmolmachinesBottlePlan:
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return _resolve_plan.resolve_plan(spec, stage_dir=stage_dir)
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@contextmanager
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def launch(
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self, plan: SmolmachinesBottlePlan
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) -> Generator[SmolmachinesBottle, None, None]:
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with _launch.launch(plan, provision=self.provision) as bottle:
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yield bottle
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def provision_workspace(
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self, plan: SmolmachinesBottlePlan, bottle: Bottle
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) -> None:
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_workspace.provision_workspace(plan, bottle)
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def supervise_mcp_url(self, plan: SmolmachinesBottlePlan) -> str:
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"""The smolmachines guest reaches the supervise sidecar via a
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host-published random port the launch step pinned earlier
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(`http://<loopback_ip>:<random_port>/`). `agent_supervise_url`
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on the plan is "" when the bottle has no sidecar."""
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return plan.agent_supervise_url
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def prepare_cleanup(self) -> SmolmachinesBottleCleanupPlan:
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return _cleanup.prepare_cleanup()
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def cleanup(self, plan: SmolmachinesBottleCleanupPlan) -> None:
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_cleanup.cleanup(plan)
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def enumerate_active(self) -> Sequence[ActiveAgent]:
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return _enumerate.enumerate_active()
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