didericis-claude
e641bacf2d
The two Debian-family CA-layout constants lived in docker/provision/ca.py, which forced the smolmachines backend to import them cross-backend (smolmachines -> docker). Move them into the shared backend/util.py next to select_ca_cert; docker, compose, and smolmachines now all import from there. No behavior change. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
64 lines
2.3 KiB
Python
64 lines
2.3 KiB
Python
"""Install the per-bottle MITM CA into the agent container's trust
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store.
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Post-PRD-0017 the CA depends on the agent's HTTP_PROXY target:
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- Bottle declares `egress.routes[]` → agent's HTTP_PROXY
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points at egress; the cert the agent must trust is the
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one egress mints leaf certs with (the egress CA).
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- No egress routes → agent's HTTP_PROXY points straight at
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pipelock; the cert the agent must trust is pipelock's CA (the
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pre-cutover behavior).
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By the time this provisioner runs, the corresponding `tls_init`
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helper has generated the chosen CA under `plan.stage_dir`, and the
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sidecar (pipelock or egress) is up referencing the
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in-container CA paths.
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Cert lands on Debian's standard source path
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(`/usr/local/share/ca-certificates/`); `update-ca-certificates`
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rebuilds `/etc/ssl/certs/ca-certificates.crt`, which is what curl,
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Python `ssl`, and OpenSSL-based tools all read by default. The env
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trio set on the agent's `docker run` covers Node
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(`NODE_EXTRA_CA_CERTS`) and Python `requests` /
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`SSL_CERT_FILE`-honoring libraries that don't load the system
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bundle.
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The fingerprint is computed via stdlib (`ssl.PEM_cert_to_DER_cert`
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+ `hashlib.sha256`) and logged once to stderr. The private key
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stays on the host (under `stage_dir`) until teardown wipes the
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stage dir; nothing in the agent ever sees it."""
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from __future__ import annotations
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import subprocess
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from ...util import AGENT_CA_PATH, log_ca_fingerprint, select_ca_cert
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from ..bottle_plan import DockerBottlePlan
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def provision_ca(plan: DockerBottlePlan, target: str) -> None:
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"""Copy the agent-facing CA cert into the agent, rebuild the
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trust bundle, emit a one-line fingerprint log. Called from
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`BottleBackend.provision` after the agent container is up."""
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container = target
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cert_host_path, label = select_ca_cert(plan.egress_plan, plan.proxy_plan)
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subprocess.run(
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["docker", "cp", str(cert_host_path), f"{container}:{AGENT_CA_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", "644", AGENT_CA_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, "update-ca-certificates"],
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stdout=subprocess.DEVNULL,
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check=True,
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)
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log_ca_fingerprint(cert_host_path, label)
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