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bot-bottle/bot_bottle/orchestrator/rotate_ca.py
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feat(docker): split orchestrator and gateway into separate containers (PRD 0070)
Now that #469 got the DB off the data plane, the docker backend runs the
control plane and data plane as two containers instead of the combined
`bot-bottle-infra` container:

  * bot-bottle-orchestrator — the lean control-plane container (image
    Dockerfile.orchestrator, `-m bot_bottle.orchestrator`). Joins the new
    `bot-bottle-orchestrator` control network (`--internal`) only, plus a
    host-loopback publish for the CLI. Sole opener of bot-bottle.db; holds the
    signing key; no CA, no gateway daemons.
  * bot-bottle-orch-gateway — the data-plane container (DockerGateway),
    dual-homed on the agent `bot-bottle-gateway` network AND the control
    network, so it resolves the orchestrator by name
    (http://bot-bottle-orchestrator:8099) while agents — never on the control
    network — have no route to the control plane (the L3 block, not just the
    JWT). Holds the gateway JWT + the mitmproxy CA.

DockerInfraService now orchestrates the pair (builds gateway + orchestrator
images, brings up the orchestrator then the gateway) and exposes gateway_name;
the launch flow attributes agents against the gateway container. DockerGateway
gains a control_network it joins after run. rotate_ca / the CA read target the
gateway container. The combined Dockerfile.infra is no longer built by docker
(firecracker/macOS still use it until their splits).

pyright 0 errors; unit suite green (2273). Integration tests updated for the
two-container shape but need a real-docker run to validate the networking.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-25 02:32:05 -04:00

63 lines
2.3 KiB
Python

"""Rotate the shared gateway's mitmproxy CA (issue #450).
python -m bot_bottle.orchestrator.rotate_ca
A deliberate CA rollover has two halves: drop the *persisted* CA so a fresh one
is minted, and drop the *running* gateway so its mitmproxy (which holds the old
CA in memory) is replaced. This one-shot command does both:
1. Delete the persisted CA under the host gateway-CA dir — the next gateway
start generates a new one (mitmproxy reuses an existing CA, generates only
when absent).
2. Force-remove the infra / standalone-gateway containers so the stale
in-memory CA is gone; the next bottle launch's idempotent `ensure_running`
brings the gateway back up and mints the fresh CA.
It does NOT re-provision the new CA into already-running bottles — those must be
re-attached so they install the new trust anchor. Rotation is thus an explicit,
operator-driven action with a brief egress interruption, not an automatic one.
"""
from __future__ import annotations
import sys
from pathlib import Path
from ..backend.docker.util import run_docker
from ..paths import host_gateway_ca_dir
from ..gateway import GATEWAY_NAME, rotate_gateway_ca
# The container whose mitmproxy would still be serving the old CA from memory:
# the per-host gateway (the data plane holds the CA; the split-out orchestrator
# never does).
_GATEWAY_CONTAINERS = (GATEWAY_NAME,)
def _out(msg: str) -> None:
sys.stdout.write(f"rotate-ca: {msg}\n")
def main(argv: list[str] | None = None) -> int:
del argv # no flags — a single deliberate action
ca_dir: Path = host_gateway_ca_dir()
removed = rotate_gateway_ca(ca_dir)
if removed:
_out(f"removed {len(removed)} CA file(s) from {ca_dir}")
else:
_out(f"no persisted CA under {ca_dir}; a fresh one is minted on next start")
# Drop any running gateway so its in-memory (now-stale) CA is replaced on
# the next launch. `rm --force` on an absent name is a tolerated no-op.
for name in _GATEWAY_CONTAINERS:
proc = run_docker(["docker", "rm", "--force", name])
if proc.returncode == 0 and proc.stdout.strip():
_out(f"removed running container {name}")
_out("done — the next bottle launch remints the CA; re-attach bottles to "
"install the new trust anchor")
return 0
if __name__ == "__main__":
raise SystemExit(main())