didericis
5d46d1bea4
test / run tests/run_tests.py (pull_request) Successful in 15s
Four symmetric provision sub-methods now: provision_prompt, provision_skills, provision_ssh, provision_git. Each self-gates with an early return; provision is pure orchestration.
436 lines
17 KiB
Python
436 lines
17 KiB
Python
"""DockerBottleBackend — the Docker implementation of BottleBackend.
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Methods:
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.prepare(spec, stage_dir=...) -> DockerBottlePlan
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.launch(plan) -> ContextManager[DockerBottle]
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.prepare_cleanup() -> DockerBottleCleanupPlan
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.cleanup(plan) -> None
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.list_active() -> None
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"""
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from __future__ import annotations
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import os
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import subprocess
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import sys
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from contextlib import contextmanager
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from pathlib import Path
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from typing import Iterator
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from ... import pipelock
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from ... import skills as skills_mod
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from ... import ssh as ssh_mod
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from ...env_resolve import env_resolve
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from ...log import die, info
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from .. import BottleBackend, BottleCleanupPlan, BottlePlan, BottleSpec
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from . import network as network_mod
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from . import util as docker_mod
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from .bottle import DockerBottle
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from .bottle_cleanup_plan import DockerBottleCleanupPlan
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from .bottle_plan import DockerBottlePlan
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# Where the repo root lives, for `docker build` context. Computed once.
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_REPO_DIR = str(Path(__file__).resolve().parent.parent.parent.parent)
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class DockerBottleBackend(BottleBackend):
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"""Docker backend implementation. Selected by CLAUDE_BOTTLE_BACKEND
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(default)."""
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name = "docker"
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def prepare(self, spec: BottleSpec, *, stage_dir: Path) -> DockerBottlePlan:
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"""Resolve names, validate, write scratch files. No Docker
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resources are created; the only side effects are host-side
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files under stage_dir and a probe of `docker info`."""
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docker_mod.require_docker()
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manifest = spec.manifest
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manifest.require_agent(spec.agent_name)
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agent = manifest.agents[spec.agent_name]
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bottle = manifest.bottle_for(spec.agent_name)
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bottle_name = agent.bottle
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slug = docker_mod.slugify(spec.agent_name)
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image = os.environ.get("CLAUDE_BOTTLE_IMAGE", "claude-bottle:latest")
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derived_image = ""
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runtime_image = image
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if spec.copy_cwd:
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derived_image = os.environ.get(
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"CLAUDE_BOTTLE_DERIVED_IMAGE", f"claude-bottle:cwd-{slug}"
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)
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runtime_image = derived_image
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default_container = f"claude-bottle-{slug}"
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pinned_container = os.environ.get("CLAUDE_BOTTLE_CONTAINER", "")
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container_name = pinned_container or default_container
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container_name_pinned = bool(pinned_container)
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suffix = 2
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if container_name_pinned:
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if docker_mod.container_exists(container_name):
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die(
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f"container '{container_name}' already exists "
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f"(pinned via CLAUDE_BOTTLE_CONTAINER). "
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f"Remove it with 'docker rm -f {container_name}' or unset the override."
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)
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else:
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while docker_mod.container_exists(container_name):
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container_name = f"{default_container}-{suffix}"
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suffix += 1
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if suffix > 100:
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die(
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f"could not find a free container name after "
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f"{default_container}-99; clean up old containers with "
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f"'docker rm -f <name>'"
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)
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if agent.skills:
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skills_mod.skills_validate_all(list(agent.skills))
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if bottle.ssh:
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ssh_mod.ssh_validate_entries(bottle.ssh)
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env_file = stage_dir / "agent.env"
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args_file = stage_dir / "docker-args"
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prompt_file = stage_dir / "prompt.txt"
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pipelock_yaml_filename = "pipelock.yaml"
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pipelock_yaml = stage_dir / pipelock_yaml_filename
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env_file.write_text("")
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env_file.chmod(0o600)
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args_file.write_text("")
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prompt_file.write_text("")
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prompt_file.chmod(0o600)
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pipelock.pipelock_write_yaml(manifest, bottle_name, pipelock_yaml)
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env_resolve(manifest, spec.agent_name, env_file, args_file)
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prompt_file.write_text(agent.prompt)
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allowlist_summary = pipelock.pipelock_allowlist_summary(manifest, bottle_name)
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use_runsc = docker_mod.runsc_available()
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return DockerBottlePlan(
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spec=spec,
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stage_dir=stage_dir,
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slug=slug,
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container_name=container_name,
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container_name_pinned=container_name_pinned,
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image=image,
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derived_image=derived_image,
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runtime_image=runtime_image,
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env_file=env_file,
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args_file=args_file,
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prompt_file=prompt_file,
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pipelock_yaml_path=pipelock_yaml,
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pipelock_yaml_filename=pipelock_yaml_filename,
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allowlist_summary=allowlist_summary,
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use_runsc=use_runsc,
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)
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@contextmanager
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def launch(self, plan: BottlePlan) -> Iterator[DockerBottle]:
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"""Build, launch, and provision a Docker bottle. Teardown on exit."""
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assert isinstance(plan, DockerBottlePlan), (
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f"DockerBottleBackend.launch expects DockerBottlePlan, "
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f"got {type(plan).__name__}"
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)
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state: dict[str, str] = {
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"container": "",
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"pipelock": "",
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"internal_network": "",
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"egress_network": "",
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}
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def teardown() -> None:
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try:
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if state["container"] and docker_mod.container_exists(state["container"]):
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subprocess.run(
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["docker", "rm", "-f", state["container"]],
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stdout=subprocess.DEVNULL,
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stderr=subprocess.DEVNULL,
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)
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state["container"] = ""
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if state["pipelock"]:
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pipelock.pipelock_stop(plan.slug)
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state["pipelock"] = ""
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if state["internal_network"]:
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network_mod.network_remove(state["internal_network"])
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state["internal_network"] = ""
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if state["egress_network"]:
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network_mod.network_remove(state["egress_network"])
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state["egress_network"] = ""
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except BaseException:
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# Teardown must not raise; swallow so the caller's
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# __exit__ path can still propagate the original error.
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pass
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try:
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docker_mod.build_image(plan.image, _REPO_DIR)
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if plan.derived_image:
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docker_mod.build_image_with_cwd(
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plan.derived_image, plan.image, plan.spec.user_cwd
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)
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state["internal_network"] = network_mod.network_create_internal(plan.slug)
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state["egress_network"] = network_mod.network_create_egress(plan.slug)
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state["pipelock"] = pipelock.pipelock_start(
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plan.slug,
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state["internal_network"],
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state["egress_network"],
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plan.stage_dir,
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plan.pipelock_yaml_filename,
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)
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container = self._run_agent_container(plan, state["internal_network"])
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state["container"] = container
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prompt_path = self.provision(plan, container)
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bottle = DockerBottle(container, teardown, prompt_path)
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yield bottle
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finally:
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teardown()
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def _run_agent_container(self, plan: DockerBottlePlan, internal_network: str) -> str:
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"""Build the `docker run` argv and execute it, handling
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name-conflict races by incrementing the suffix (unless the name
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was user-pinned). Returns the resolved container name."""
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proxy_url = pipelock.pipelock_proxy_url(plan.slug)
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docker_args: list[str] = [
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"--rm", "-d",
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"--name", plan.container_name,
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"--network", internal_network,
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"-e", f"HTTPS_PROXY={proxy_url}",
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"-e", f"HTTP_PROXY={proxy_url}",
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"-e", "NO_PROXY=localhost,127.0.0.1",
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]
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if plan.use_runsc:
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docker_args.extend(["--runtime", "runsc"])
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if plan.env_file.stat().st_size > 0:
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docker_args.extend(["--env-file", str(plan.env_file)])
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# ARGS_FILE pairs (-e, NAME) line-by-line.
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args_lines = plan.args_file.read_text().splitlines()
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i = 0
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while i < len(args_lines):
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flag = args_lines[i]
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i += 1
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if not flag:
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continue
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if i >= len(args_lines):
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break
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vname = args_lines[i]
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i += 1
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docker_args.extend([flag, vname])
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if plan.spec.forward_oauth_token:
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os.environ["CLAUDE_CODE_OAUTH_TOKEN"] = os.environ["CLAUDE_BOTTLE_OAUTH_TOKEN"]
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docker_args.extend(["-e", "CLAUDE_CODE_OAUTH_TOKEN"])
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docker_args.extend([plan.runtime_image, "sleep", "infinity"])
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info(f"starting container {plan.container_name} from {plan.runtime_image}")
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container = plan.container_name
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base_name = plan.container_name
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suffix = 2
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while True:
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run_result = subprocess.run(
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["docker", "run", *docker_args],
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capture_output=True,
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text=True,
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)
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if run_result.returncode == 0:
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return container
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err_text = run_result.stderr
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if plan.container_name_pinned or "is already in use" not in err_text:
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sys.stderr.write(err_text + "\n")
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die(f"docker run failed for container '{container}'")
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if suffix > 100:
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die(
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f"could not find a free container name after "
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f"{base_name}-99 retries; clean up old containers"
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)
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container = f"{base_name}-{suffix}"
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suffix += 1
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name_idx = docker_args.index("--name") + 1
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docker_args[name_idx] = container
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info(f"name conflict; retrying as {container}")
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def provision(self, plan: BottlePlan, target: str) -> str | None:
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"""Copy prompt, skills, ssh keys, and (optionally) .git into
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the running container. `target` is the resolved container
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name. Returns the in-container prompt path if a prompt was
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provisioned, else None — the Bottle handle uses it to decide
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whether to add --append-system-prompt-file to claude's argv."""
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assert isinstance(plan, DockerBottlePlan), (
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f"DockerBottleBackend.provision expects DockerBottlePlan, "
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f"got {type(plan).__name__}"
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)
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container = target
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prompt_path = self.provision_prompt(plan, container)
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self.provision_skills(plan, container)
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self.provision_ssh(plan, container)
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self.provision_git(plan, container)
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return prompt_path
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def provision_prompt(self, plan: DockerBottlePlan, container: str) -> str | None:
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"""Copy the prompt file into the container, fix ownership/mode.
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Returns the in-container path if the agent has a non-empty
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prompt (drives --append-system-prompt-file), else None. The
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file is copied either way so the path always exists."""
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container_home = os.environ.get("CLAUDE_BOTTLE_CONTAINER_HOME", "/home/node")
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in_container_prompt_path = f"{container_home}/.claude-bottle-prompt.txt"
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subprocess.run(
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["docker", "cp", str(plan.prompt_file), f"{container}:{in_container_prompt_path}"],
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stdout=subprocess.DEVNULL,
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check=True,
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)
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# `docker cp` preserves host UID; re-own/mode as root so node
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# can read its own mode-600 prompt regardless of host UID.
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subprocess.run(
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["docker", "exec", "-u", "0", container, "chown", "node:node", in_container_prompt_path],
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stdout=subprocess.DEVNULL,
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check=True,
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)
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subprocess.run(
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["docker", "exec", "-u", "0", container, "chmod", "600", in_container_prompt_path],
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stdout=subprocess.DEVNULL,
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check=True,
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)
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agent = plan.spec.manifest.agents[plan.spec.agent_name]
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return in_container_prompt_path if agent.prompt else None
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def provision_skills(self, plan: DockerBottlePlan, container: str) -> None:
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"""Copy each of the agent's named skills from the host's
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~/.claude/skills/<name>/ into the container's equivalent path.
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No-op when the agent has no skills."""
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agent = plan.spec.manifest.agents[plan.spec.agent_name]
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if not agent.skills:
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return
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skills_mod.skills_copy_into(container, list(agent.skills))
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def provision_ssh(self, plan: DockerBottlePlan, container: str) -> None:
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"""If the bottle has SSH entries, set up the in-container
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ssh-agent and config so node can authenticate without ever
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seeing the key bytes. No-op when the bottle has no SSH."""
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bottle = plan.spec.manifest.bottle_for(plan.spec.agent_name)
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if not bottle.ssh:
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return
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proxy_host_port = pipelock.pipelock_proxy_host_port(plan.slug)
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ssh_mod.ssh_setup(container, plan.stage_dir, proxy_host_port, bottle.ssh)
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def provision_git(self, plan: DockerBottlePlan, container: str) -> None:
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"""If --cwd was set and the host cwd has a .git directory, copy
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it into /home/node/workspace/.git and fix ownership. No-op
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otherwise."""
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if not (plan.spec.copy_cwd and Path(plan.spec.user_cwd, ".git").is_dir()):
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return
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info(f"copying {plan.spec.user_cwd}/.git -> {container}:/home/node/workspace/.git")
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subprocess.run(
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["docker", "cp", f"{plan.spec.user_cwd}/.git", f"{container}:/home/node/workspace/.git"],
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stdout=subprocess.DEVNULL,
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check=True,
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)
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subprocess.run(
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[
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"docker", "exec", "-u", "0", container,
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"chown", "-R", "node:node", "/home/node/workspace/.git",
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],
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stdout=subprocess.DEVNULL,
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check=True,
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)
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# --- Cleanup ---
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def prepare_cleanup(self) -> DockerBottleCleanupPlan:
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"""Enumerate all claude-bottle-prefixed containers (running or
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stopped) and networks. No removals — caller confirms first."""
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docker_mod.require_docker()
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# `docker ps -a --filter name=...` uses regex matching; anchor at
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# the start so we don't pick up containers that merely contain
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# "claude-bottle-" mid-name.
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cr = subprocess.run(
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[
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"docker", "ps", "-a",
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"--filter", "name=^claude-bottle-",
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"--format", "{{.Names}}",
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],
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capture_output=True,
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text=True,
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)
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containers = tuple(sorted(
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line for line in (cr.stdout or "").splitlines() if line
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))
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# `docker network ls --filter name=...` uses substring matching.
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# "claude-bottle-" is specific enough that false positives are
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# not a concern.
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nr = subprocess.run(
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[
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"docker", "network", "ls",
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"--filter", "name=claude-bottle-",
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"--format", "{{.Name}}",
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],
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capture_output=True,
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text=True,
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)
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networks = tuple(sorted(
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line for line in (nr.stdout or "").splitlines() if line
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))
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return DockerBottleCleanupPlan(containers=containers, networks=networks)
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def cleanup(self, plan: BottleCleanupPlan) -> None:
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"""Remove the containers and networks listed in the plan.
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Containers first; networks would refuse to delete while
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containers are still attached."""
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assert isinstance(plan, DockerBottleCleanupPlan), (
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f"DockerBottleBackend.cleanup expects DockerBottleCleanupPlan, "
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f"got {type(plan).__name__}"
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)
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for name in plan.containers:
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info(f"removing container {name}")
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subprocess.run(
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["docker", "rm", "-f", name],
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stdout=subprocess.DEVNULL,
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stderr=subprocess.DEVNULL,
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)
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for name in plan.networks:
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info(f"removing network {name}")
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subprocess.run(
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["docker", "network", "rm", name],
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stdout=subprocess.DEVNULL,
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stderr=subprocess.DEVNULL,
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)
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# --- List ---
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def list_active(self) -> None:
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"""Print all running claude-bottle containers (name + status).
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Prints a single-line banner if there are none."""
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docker_mod.require_docker()
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result = subprocess.run(
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[
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"docker", "ps",
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"--filter", "name=^claude-bottle-",
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"--format", "{{.Names}}\t{{.Status}}",
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],
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capture_output=True,
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text=True,
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)
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containers = (result.stdout or "").strip()
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if not containers:
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info("no active claude-bottle containers")
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return
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print()
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for line in containers.splitlines():
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name, _, status = line.partition("\t")
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info(f"container: {name} status: {status}")
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print()
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