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bot-bottle/claude_bottle/backend/smolmachines/provision/skills.py
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feat(smolmachines): provision_ca + provision_git + provision_supervise (PRD 0023 chunk 4d)
End-to-end provisioning parity with the docker backend. After this
chunk a smolmachines bottle has a working trust store, git-gate
gitconfig, and supervise MCP registration — same shape as docker,
dispatched via `smolvm machine cp` / `smolvm machine exec` instead
of `docker cp` / `docker exec`.

Adds three new provision modules:
- ca.py:        select egress vs pipelock CA (same logic as
                docker), machine cp + update-ca-certificates,
                log sha256 fingerprint.
- git.py:       copy host .git when --cwd was passed; render
                ~/.gitconfig with insteadOf URLs. URL prefix is
                `git://<bundle_ip>:9418/...` (no DNS in the
                TSI-allowlisted guest) vs docker's
                `git://git-gate/...`.
- supervise.py: `claude mcp add` via machine_exec; URL is
                `http://<bundle_ip>:9100/`. Failure is logged but
                non-fatal (matches docker).

Shared render: `render_git_gate_gitconfig` moves out of
backend/docker/provision/git.py into the platform-neutral
claude_bottle/git_gate.py (renamed to git_gate_render_gitconfig
for consistency with the existing git_gate_render_* helpers),
parameterized on a `gate_host` argument so both backends use the
same logic with different addresses.

Path/user fixups for the post-chunk-4c agent image (real
claude-bottle image, USER node, $HOME=/home/node):
- prompt.py default path moves from /root/... to
  /home/node/.claude-bottle-prompt.txt; chown + chmod after
  machine cp.
- skills.py default skills dir moves from /root/.claude/skills to
  /home/node/.claude/skills; chown -R per skill.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-27 14:15:58 -04:00

64 lines
2.4 KiB
Python

"""Copy host-side skill directories into a running smolmachines
bottle.
Skills are validated on the host before launch by
`BottleBackend._validate_skills`; this module assumes that
validation has already run. A skill that disappears between
validation and copy still dies loudly rather than silently
producing a partial guest."""
from __future__ import annotations
import os
from ....log import die, info
from ...util import host_skill_dir
from .. import smolvm as _smolvm
from ..bottle_plan import SmolmachinesBottlePlan
# In-guest path mirrors the docker backend's claude-skills
# convention (~/.claude/skills/<name>/) under the node user's
# home — same path as the real claude-bottle image's
# /home/node/.claude/skills (pre-created in the Dockerfile).
_DEFAULT_SKILLS_DIR = "/home/node/.claude/skills"
def provision_skills(plan: SmolmachinesBottlePlan, target: str) -> None:
"""Copy each of the agent's named skills from the host's
~/.claude/skills/<name>/ into the guest's equivalent path.
For each skill: `mkdir -p` the destination, `smolvm machine cp`
the host source dir over, then chown the result to node:node so
the agent can read it. No-op when the agent has no skills.
smolvm machine cp on a directory copies recursively (same
semantics as `cp -r`); unlike docker cp's trailing-slash
convention, smolvm doesn't need the `/.` suffix dance.
machine cp lands files as root inside the VM, so we chown each
skill tree over to node:node after the copy — same pattern as
the docker backend's provision_prompt."""
agent = plan.spec.manifest.agents[plan.spec.agent_name]
if not agent.skills:
return
skills_dir = os.environ.get(
"CLAUDE_BOTTLE_GUEST_SKILLS_DIR", _DEFAULT_SKILLS_DIR,
)
_smolvm.machine_exec(target, ["mkdir", "-p", skills_dir])
for name in agent.skills:
src = host_skill_dir(name)
if not os.path.isdir(src):
die(
f"skill {name!r} disappeared from host between "
f"validation and copy at {src}."
)
dst = f"{skills_dir}/{name}"
info(f"copying skill {name} into {target}:{dst}")
# Wipe any prior copy so re-runs don't accumulate.
_smolvm.machine_exec(target, ["rm", "-rf", dst])
_smolvm.machine_cp(src, f"{target}:{dst}")
_smolvm.machine_exec(target, ["chown", "-R", "node:node", dst])