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refactor(de-sidecar): rename sidecar_init→gateway_init, drop docker's dead per-bottle compose renderer

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Part of the de-sidecar cleanup (#385 discussion): the per-bottle companion
container is the old architecture.

- Rename `bot_bottle/sidecar_init.py` → `gateway_init.py` (it's the gateway
  image's PID-1 supervisor); env var `BOT_BOTTLE_SIDECAR_DAEMONS` →
  `BOT_BOTTLE_GATEWAY_DAEMONS`; log prefix `sidecar-init:` → `gateway-init:`.
  Update Dockerfile.gateway COPY/ENTRYPOINT and the test.
- Remove the dead per-bottle compose renderer from `backend/docker/compose.py`
  (`bottle_plan_to_compose`, `_sidecar_bundle_service`, `_agent_service`, and
  the network/bind/proxy helpers). Docker's live path uses
  `consolidated_agent_compose`; only the compose *lifecycle* helpers
  (up/down/ls/write) remain. Trim `test_compose.py` to the surviving helpers.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WBMWTEtQdJ4W5UrWuLHCck
This commit is contained in:
didericis
2026-07-14 16:46:46 -04:00
parent 96b84eb84d
commit c10d1cb6e0
5 changed files with 45 additions and 694 deletions
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bot_bottle/backend/docker/compose.py
+6 -243
View File
@@ -1,20 +1,10 @@
"""Compose-spec rendering for a Docker bottle (PRD 0018, chunk 1).
"""Docker compose lifecycle helpers (PRD 0018).
`bottle_plan_to_compose(plan)` returns a Compose v2 spec dict
describing the per-bottle container topology — one project per
bottle instance, services for the agent + every applicable sidecar,
two networks, no named volumes.
Pure function. No I/O, no subprocess. Expects every launch-time
field (network names, CA host paths, etc.) on the plan's inner
plans to be populated; chunks 2+3 own that ordering.
Conditional services follow the plan content:
- agent + sidecars bundle: always.
- git-gate: iff plan.git_gate_plan.upstreams.
- egress: iff plan.egress_plan.routes.
- supervise: iff plan.supervise_plan is not None.
Serialize a compose spec to disk, drive `docker compose up/down`,
dump the merged log on teardown, and enumerate `bot-bottle-*`
projects. The spec itself is built by `consolidated_compose.py`
(the consolidated per-host gateway topology); this module owns the
I/O side that persists and runs it.
"""
from __future__ import annotations
@@ -25,233 +15,7 @@ import sys
from pathlib import Path
from typing import Any
from ...egress import (
EGRESS_HOSTNAME,
EGRESS_ROUTES_IN_CONTAINER,
egress_agent_env_entries,
egress_sidecar_env_entries,
)
from ...git_gate import GIT_GATE_HOSTNAME
from ...log import die, warn
from ...supervise import (
DB_PATH_IN_CONTAINER,
SUPERVISE_HOSTNAME,
SUPERVISE_PORT,
)
from ...util import expand_tilde
from ..util import AGENT_CA_BUNDLE, AGENT_CA_PATH
from .bottle_plan import DockerBottlePlan
from .egress import (
EGRESS_CA_IN_CONTAINER,
EGRESS_PORT,
)
from .git_gate import (
GIT_GATE_ACCESS_HOOK_IN_CONTAINER,
GIT_GATE_CREDS_DIR_IN_CONTAINER,
GIT_GATE_ENTRYPOINT_IN_CONTAINER,
GIT_GATE_HOOK_IN_CONTAINER,
)
from . import network as network_mod
from .sidecar_bundle import (
SIDECAR_BUNDLE_DOCKERFILE,
SIDECAR_BUNDLE_IMAGE,
sidecar_bundle_container_name,
)
# Repo root, used as the build context for the bundle Dockerfile.
_REPO_DIR = str(Path(__file__).resolve().parent.parent.parent.parent)
def bottle_plan_to_compose(plan: DockerBottlePlan) -> dict[str, Any]:
"""Render a Compose v2 spec dict from a fully-resolved
DockerBottlePlan.
The plan must have its inner plans (`git_gate_plan`,
`egress_plan`, `supervise_plan`) populated with launch-time
fields — network names, CA host paths. The renderer doesn't
validate; callers feed it a fully-resolved plan or get an
incomplete compose spec back.
"""
project = f"bot-bottle-{plan.slug}"
services: dict[str, Any] = {
"sidecars": _sidecar_bundle_service(plan),
"agent": _agent_service(plan),
}
return {
"name": project,
"services": services,
"networks": _networks(plan),
}
def _networks(plan: DockerBottlePlan) -> dict[str, Any]:
"""Compose-managed networks with explicit `name:` matching the
existing slug-suffixed convention. Compose creates them on `up`
and destroys them on `down`. The internal one is `--internal`
(no default gateway); the egress one is a normal user-defined
bridge."""
return {
"internal": {
"name": network_mod.network_name_for_slug(plan.slug),
"internal": True,
},
"egress": {
"name": network_mod.network_egress_name_for_slug(plan.slug),
},
}
def _bind(host: str | Path, target: str, *, read_only: bool = True) -> dict[str, Any]:
"""One bind-mount entry in the long-form `volumes:` shape.
Long form is preferred over `host:target:ro` strings because
it's easier to inspect in tests and survives whitespace in
host paths."""
return {
"type": "bind",
"source": str(host),
"target": target,
"read_only": read_only,
}
def _sidecar_bundle_service(plan: DockerBottlePlan) -> dict[str, Any]:
"""The `sidecars` service: one container per bottle, bundle
image, all daemons under a Python init supervisor.
Daemon subset narrows via `BOT_BOTTLE_SIDECAR_DAEMONS` env.
egress is always present; git-gate / supervise are conditional.
"""
daemons: list[str] = ["egress"]
if plan.git_gate_plan.upstreams:
daemons.append("git-gate")
if plan.supervise_plan is not None:
daemons.append("supervise")
env: list[str] = [f"BOT_BOTTLE_SIDECAR_DAEMONS={','.join(daemons)}"]
volumes: list[dict[str, Any]] = []
# --- egress -------------------------------------------------------
ep = plan.egress_plan
volumes.append(_bind(ep.mitmproxy_ca_host_path, EGRESS_CA_IN_CONTAINER))
if ep.routes:
volumes.append(_bind(ep.routes_path.parent, str(Path(EGRESS_ROUTES_IN_CONTAINER).parent)))
env.extend(egress_sidecar_env_entries(ep))
# --- git-gate -----------------------------------------------------
gp = plan.git_gate_plan
if gp.upstreams:
volumes += [
_bind(gp.entrypoint_script, GIT_GATE_ENTRYPOINT_IN_CONTAINER),
_bind(gp.hook_script, GIT_GATE_HOOK_IN_CONTAINER),
_bind(gp.access_hook_script, GIT_GATE_ACCESS_HOOK_IN_CONTAINER),
]
for u in gp.upstreams:
keypath = expand_tilde(u.identity_file)
volumes.append(_bind(
keypath,
f"{GIT_GATE_CREDS_DIR_IN_CONTAINER}/{u.name}-key",
))
if u.known_hosts_file:
volumes.append(_bind(
u.known_hosts_file,
f"{GIT_GATE_CREDS_DIR_IN_CONTAINER}/{u.name}-known_hosts",
))
# --- supervise ----------------------------------------------------
sp = plan.supervise_plan
if sp is not None:
env += [
f"SUPERVISE_BOTTLE_SLUG={plan.slug}",
f"SUPERVISE_DB_PATH={DB_PATH_IN_CONTAINER}",
f"SUPERVISE_PORT={SUPERVISE_PORT}",
]
volumes.append({
"type": "bind",
"source": str(sp.db_path),
"target": DB_PATH_IN_CONTAINER,
"read_only": False,
})
internal_aliases = [EGRESS_HOSTNAME]
if gp.upstreams:
internal_aliases.append(GIT_GATE_HOSTNAME)
if sp is not None:
internal_aliases.append(SUPERVISE_HOSTNAME)
service: dict[str, Any] = {
"image": SIDECAR_BUNDLE_IMAGE,
"build": {
"context": _REPO_DIR,
"dockerfile": SIDECAR_BUNDLE_DOCKERFILE,
},
"container_name": sidecar_bundle_container_name(plan.slug),
"networks": {
"internal": {"aliases": internal_aliases},
"egress": None,
},
"environment": env,
"volumes": volumes,
}
return service
def _agent_service(plan: DockerBottlePlan) -> dict[str, Any]:
"""Agent container. Runs `sleep infinity`; claude is `docker
exec -it`'d into it later. HTTP_PROXY/HTTPS_PROXY point at the
egress sidecar."""
proxy_url = _agent_proxy_url(plan)
no_proxy = _agent_no_proxy(plan)
env: list[str] = [
f"HTTPS_PROXY={proxy_url}",
f"HTTP_PROXY={proxy_url}",
f"https_proxy={proxy_url}",
f"http_proxy={proxy_url}",
f"NO_PROXY={no_proxy}",
f"no_proxy={no_proxy}",
f"NODE_EXTRA_CA_CERTS={AGENT_CA_PATH}",
f"SSL_CERT_FILE={AGENT_CA_BUNDLE}",
f"REQUESTS_CA_BUNDLE={AGENT_CA_BUNDLE}",
]
for name, value in sorted(plan.agent_provision.guest_env.items()):
env.append(f"{name}={value}")
# Forwarded vars (OAuth token, manifest host-interpolations):
# bare name → inherits from compose-up process env, value
# never lands on argv or in the compose file.
for name in sorted(plan.forwarded_env.keys()):
env.append(name)
env.extend(egress_agent_env_entries(plan.egress_plan))
service: dict[str, Any] = {
"image": plan.image,
"container_name": plan.container_name,
"command": ["sleep", "infinity"],
"networks": {"internal": None},
"environment": env,
}
if plan.use_runsc:
service["runtime"] = "runsc"
# The init supervisor inside the bundle owns intra-bundle
# daemon ordering, so the agent only waits for the bundle
# container itself.
service["depends_on"] = ["sidecars"]
return service
def _agent_proxy_url(plan: DockerBottlePlan) -> str:
"""Agent's HTTP_PROXY — always points at egress."""
return f"http://{EGRESS_HOSTNAME}:{EGRESS_PORT}"
def _agent_no_proxy(plan: DockerBottlePlan) -> str:
"""NO_PROXY for the agent: loopback always; supervise hostname
when the supervise sidecar is up (MCP long-poll must bypass
the egress proxy)."""
hosts = ["localhost", "127.0.0.1"]
if plan.supervise_plan is not None:
hosts.append(SUPERVISE_HOSTNAME)
return ",".join(hosts)
# --- Lifecycle helpers (PRD 0018 chunk 3) ----------------------------------
@@ -442,7 +206,6 @@ __all__ = [
"COMPOSE_FILE_NAME",
"COMPOSE_LOG_NAME",
"COMPOSE_PROJECT_PREFIX",
"bottle_plan_to_compose",
"compose_down",
"compose_dump_logs",
"compose_file_path",