151 lines
5.1 KiB
Python
Executable File
151 lines
5.1 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
"""Automatically accept an exact release binding under an ACTIVE campaign."""
|
|
from __future__ import annotations
|
|
|
|
import argparse
|
|
import hashlib
|
|
import json
|
|
import os
|
|
from pathlib import Path
|
|
import stat
|
|
import tempfile
|
|
from typing import Any, Mapping
|
|
|
|
from release_campaign_authorization import CampaignAuthorization, CampaignError
|
|
|
|
|
|
class AcceptanceError(RuntimeError):
|
|
pass
|
|
|
|
|
|
def secure_json(path: Path) -> dict[str, Any]:
|
|
if path.is_symlink() or not path.is_file():
|
|
raise AcceptanceError(f"invalid_file:{path}")
|
|
st = path.lstat()
|
|
if st.st_uid != 0 or stat.S_IMODE(st.st_mode) & 0o022:
|
|
raise AcceptanceError(f"unsafe_file:{path}")
|
|
value = json.loads(path.read_text(encoding="utf-8"))
|
|
if not isinstance(value, dict):
|
|
raise AcceptanceError(f"json_object_required:{path}")
|
|
return value
|
|
|
|
|
|
def atomic_new(path: Path, value: Mapping[str, Any]) -> None:
|
|
if path.exists() or path.is_symlink():
|
|
raise AcceptanceError("acceptance_receipt_exists")
|
|
path.parent.mkdir(parents=True, exist_ok=True)
|
|
fd, name = tempfile.mkstemp(prefix=f".{path.name}.", dir=path.parent)
|
|
try:
|
|
os.fchmod(fd, 0o600)
|
|
if os.geteuid() == 0:
|
|
os.fchown(fd, 0, 0)
|
|
with os.fdopen(fd, "w", encoding="utf-8", closefd=True) as stream:
|
|
json.dump(dict(value), stream, sort_keys=True, indent=2)
|
|
stream.write("\n")
|
|
stream.flush()
|
|
os.fsync(stream.fileno())
|
|
os.replace(name, path)
|
|
os.chmod(path, 0o600)
|
|
finally:
|
|
try:
|
|
os.unlink(name)
|
|
except FileNotFoundError:
|
|
pass
|
|
|
|
|
|
def evaluate(
|
|
campaign: CampaignAuthorization,
|
|
binding: Mapping[str, Any],
|
|
evidence: Mapping[str, Any],
|
|
artifact: Mapping[str, Any],
|
|
staging: Mapping[str, Any],
|
|
main: Mapping[str, Any],
|
|
tag: Mapping[str, Any],
|
|
) -> dict[str, Any]:
|
|
required_binding = {
|
|
"version",
|
|
"target_oid",
|
|
"evidence_closure_oid",
|
|
"artifact_sha256",
|
|
"artifact_size",
|
|
"approval_plan_id",
|
|
}
|
|
if set(binding) != required_binding:
|
|
raise AcceptanceError("binding_fields_invalid")
|
|
if main.get("repository") != "aios/aios":
|
|
raise AcceptanceError("repository_identity_mismatch")
|
|
if main.get("target_in_main_lineage") is not True:
|
|
raise AcceptanceError("target_outside_main_lineage")
|
|
if evidence.get("object_type") != "commit":
|
|
raise AcceptanceError("evidence_not_commit")
|
|
if evidence.get("target_is_ancestor") is not True:
|
|
raise AcceptanceError("target_not_evidence_ancestor")
|
|
if evidence.get("closure_oid") != binding["evidence_closure_oid"]:
|
|
raise AcceptanceError("evidence_oid_mismatch")
|
|
if artifact.get("sha256") != binding["artifact_sha256"]:
|
|
raise AcceptanceError("artifact_digest_mismatch")
|
|
if artifact.get("size") != binding["artifact_size"]:
|
|
raise AcceptanceError("artifact_size_mismatch")
|
|
if artifact.get("retained") is not True:
|
|
raise AcceptanceError("artifact_not_retained")
|
|
if staging.get("install") != "PASS":
|
|
raise AcceptanceError("staging_install_failed")
|
|
if staging.get("health") != "PASS":
|
|
raise AcceptanceError("staging_health_failed")
|
|
if staging.get("restart") != "PASS":
|
|
raise AcceptanceError("staging_restart_failed")
|
|
if staging.get("rollback_readiness") != "PASS":
|
|
raise AcceptanceError("rollback_readiness_failed")
|
|
if tag.get("conflict") is not False:
|
|
raise AcceptanceError("tag_conflict")
|
|
campaign.assert_operation("derive_campaign_acceptance")
|
|
return {
|
|
"schema": "aios.campaign-release-acceptance.v1",
|
|
"accepted": True,
|
|
"binding_replaced": False,
|
|
"campaign_id": campaign.campaign_id,
|
|
"campaign_generation": campaign.data["generation"],
|
|
**dict(binding),
|
|
"owner_interaction_required": False,
|
|
}
|
|
|
|
|
|
def main() -> int:
|
|
p = argparse.ArgumentParser()
|
|
p.add_argument("--campaign", type=Path, required=True)
|
|
p.add_argument("--revocation", type=Path)
|
|
p.add_argument("--binding", type=Path, required=True)
|
|
p.add_argument("--evidence", type=Path, required=True)
|
|
p.add_argument("--artifact", type=Path, required=True)
|
|
p.add_argument("--staging", type=Path, required=True)
|
|
p.add_argument("--main-facts", type=Path, required=True)
|
|
p.add_argument("--tag-facts", type=Path, required=True)
|
|
p.add_argument("--output", type=Path, required=True)
|
|
a = p.parse_args()
|
|
|
|
campaign = CampaignAuthorization.load(
|
|
a.campaign,
|
|
revocation=a.revocation,
|
|
require_active=True,
|
|
)
|
|
receipt = evaluate(
|
|
campaign,
|
|
secure_json(a.binding),
|
|
secure_json(a.evidence),
|
|
secure_json(a.artifact),
|
|
secure_json(a.staging),
|
|
secure_json(a.main_facts),
|
|
secure_json(a.tag_facts),
|
|
)
|
|
atomic_new(a.output, receipt)
|
|
print(json.dumps(receipt, sort_keys=True))
|
|
return 0
|
|
|
|
|
|
if __name__ == "__main__":
|
|
try:
|
|
raise SystemExit(main())
|
|
except (CampaignError, AcceptanceError) as exc:
|
|
print(json.dumps({"status": "BLOCKED", "reason": str(exc)}, sort_keys=True))
|
|
raise SystemExit(2)
|