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bot-bottle/claude_bottle/backend/docker/provision/git.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

81 lines
2.9 KiB
Python

"""Git provisioning inside a running Docker bottle.
Two concerns, both about git in the agent:
1. If --cwd was passed AND the host cwd has a .git, copy that .git
into /home/node/workspace/.git so the agent operates on the
user's repo.
2. If the bottle declares `git` entries (PRD 0008), write a
~/.gitconfig with insteadOf rules so every git operation
against a declared upstream (push, fetch, clone, pull,
ls-remote) transparently hits the per-agent git-gate. The
gate mirrors the upstream in both directions, so URL
rewriting is symmetric.
"""
from __future__ import annotations
import os
import subprocess
from pathlib import Path
from ....git_gate import GIT_GATE_HOSTNAME, git_gate_render_gitconfig
from ....log import info
from .. import util as docker_mod
from ..bottle_plan import DockerBottlePlan
def provision_git(plan: DockerBottlePlan, target: str) -> None:
"""Set up git inside the bottle. Runs both subcases; each no-ops
when its condition isn't met."""
_provision_cwd_git(plan, target)
_provision_git_gate_config(plan, target)
def _provision_cwd_git(plan: DockerBottlePlan, target: str) -> None:
"""If --cwd was set and the host cwd has a .git directory, copy
it into /home/node/workspace/.git and fix ownership. No-op
otherwise."""
if not (plan.spec.copy_cwd and Path(plan.spec.user_cwd, ".git").is_dir()):
return
container = target
info(f"copying {plan.spec.user_cwd}/.git -> {container}:/home/node/workspace/.git")
subprocess.run(
["docker", "cp", f"{plan.spec.user_cwd}/.git", f"{container}:/home/node/workspace/.git"],
stdout=subprocess.DEVNULL,
check=True,
)
subprocess.run(
[
"docker", "exec", "-u", "0", container,
"chown", "-R", "node:node", "/home/node/workspace/.git",
],
stdout=subprocess.DEVNULL,
check=True,
)
def _provision_git_gate_config(plan: DockerBottlePlan, target: str) -> None:
"""Write ~/.gitconfig in the bottle with the git-gate
insteadOf rules. No-op when the bottle has no `git` entries."""
bottle = plan.spec.manifest.bottle_for(plan.spec.agent_name)
if not bottle.git:
return
container = target
container_home = os.environ.get("CLAUDE_BOTTLE_CONTAINER_HOME", "/home/node")
container_gitconfig = f"{container_home}/.gitconfig"
content = git_gate_render_gitconfig(bottle.git, GIT_GATE_HOSTNAME)
config_file = plan.stage_dir / "agent_gitconfig"
config_file.write_text(content)
config_file.chmod(0o600)
info(f"writing {container_gitconfig} with {len(bottle.git)} insteadOf rule(s)")
subprocess.run(
["docker", "cp", str(config_file), f"{container}:{container_gitconfig}"],
stdout=subprocess.DEVNULL,
check=True,
)
docker_mod.docker_exec_root(container, ["chown", "node:node", container_gitconfig])
docker_mod.docker_exec_root(container, ["chmod", "644", container_gitconfig])