Files
Unraid-AppOps-Gateway-Public/backend/app/services/portfolio_deployment_recovery.py
T

388 lines
17 KiB
Python

from __future__ import annotations
import json
import time
from typing import Any
from urllib.parse import quote
from ..connectors.portainer import PortainerConnector
from ..core.redaction import redact_message
from .portfolio_deployment_enrollment import PortfolioDeploymentEnrollment
_CONTROLLER = "gitea-deploy-control"
_REPOSITORY = "jens/portfolio"
_LIVE_REVISION = "52c6f2fc74a1e39ad288f1c5e987a9cd5b072d3e"
_FAILED_REVISION = "b7955d90b63860ffff8e0bd84be123aaba632043"
_FAILURE_MESSAGE = "Existing production containers require a valid healthy live deployment state"
# One-time, fail-closed re-attestation for the exact observed Portfolio state.
# The recovery never builds, restarts, recreates or stops application containers.
# It uses the controller's own receipt/runtime verifier and accepts only a change
# in ephemeral container IDs while immutable image/provenance evidence remains
# exactly equal to the previously recorded verified receipt.
_REATTEST_SCRIPT = r'''
import fcntl
import importlib.util
import json
import os
from pathlib import Path
import shutil
import stat
import subprocess
import sys
import time
repository, live_revision, failed_revision, failure_message = sys.argv[1:5]
expected_repository = "jens/portfolio"
expected_live_revision = "52c6f2fc74a1e39ad288f1c5e987a9cd5b072d3e"
expected_failed_revision = "b7955d90b63860ffff8e0bd84be123aaba632043"
expected_failure_message = "Existing production containers require a valid healthy live deployment state"
if (
repository != expected_repository
or live_revision != expected_live_revision
or failed_revision != expected_failed_revision
or failure_message != expected_failure_message
):
raise SystemExit(40)
controller_path = Path("/opt/gitea-deploy/deploy.py")
registry_path = Path("/opt/gitea-deploy/projects.json")
state_root = Path("/mnt/cache/appdata/gitea-deploy-runners/state")
state_path = state_root / "portfolio.json"
project_lock_path = state_root / "locks" / "portfolio.lock"
global_lock_path = Path("/mnt/cache/appdata/gitea-deploy-runners/deploy.lock")
if controller_path.is_symlink() or not controller_path.is_file():
raise SystemExit(20)
if registry_path.is_symlink() or not registry_path.is_file():
raise SystemExit(21)
try:
projects = json.loads(registry_path.read_text(encoding="utf-8"))
except Exception:
raise SystemExit(22)
project = projects.get(repository) if isinstance(projects, dict) else None
if not isinstance(project, dict):
raise SystemExit(23)
if (
project.get("branch") != "main"
or project.get("slug") != "portfolio"
or project.get("compose_project") != "portfolio"
or project.get("containers") != ["Portfolio", "Portfolio-api"]
or project.get("compose_files") != ["docker-compose.yml"]
or project.get("exact_source") is not True
or project.get("verify_oci_revision") is not False
):
raise SystemExit(24)
owner, name = repository.split("/", 1)
bare_repo = Path("/gitea-repositories") / owner / f"{name}.git"
if not bare_repo.is_dir():
raise SystemExit(25)
def git_run(*args):
return subprocess.run(
["git", f"--git-dir={bare_repo}", *args],
text=True,
stdout=subprocess.PIPE,
stderr=subprocess.DEVNULL,
timeout=10,
check=False,
)
for revision in (live_revision, failed_revision):
resolved = git_run("rev-parse", f"{revision}^{{commit}}")
if resolved.returncode != 0 or resolved.stdout.strip() != revision:
raise SystemExit(26)
main = git_run("rev-parse", "refs/heads/main")
if main.returncode != 0 or main.stdout.strip() != failed_revision:
raise SystemExit(27)
if git_run("merge-base", "--is-ancestor", live_revision, failed_revision).returncode != 0:
raise SystemExit(28)
try:
spec = importlib.util.spec_from_file_location("itworx_deploy_controller", controller_path)
controller = importlib.util.module_from_spec(spec) if spec and spec.loader else None
if controller is None or spec is None or spec.loader is None:
raise RuntimeError("controller import unavailable")
spec.loader.exec_module(controller)
except Exception:
raise SystemExit(29)
state_root.mkdir(parents=True, exist_ok=True)
project_lock_path.parent.mkdir(parents=True, exist_ok=True)
try:
project_lock = project_lock_path.open("a+", encoding="utf-8")
global_lock = global_lock_path.open("a+", encoding="utf-8")
except Exception:
raise SystemExit(30)
with project_lock:
try:
fcntl.flock(project_lock, fcntl.LOCK_EX)
except Exception:
raise SystemExit(31)
with global_lock:
try:
fcntl.flock(global_lock, fcntl.LOCK_EX)
except Exception:
raise SystemExit(31)
try:
current_projects = json.loads(registry_path.read_text(encoding="utf-8"))
except Exception:
raise SystemExit(32)
if current_projects.get(repository) != project:
raise SystemExit(33)
if state_path.is_symlink() or not state_path.is_file():
raise SystemExit(34)
try:
state = json.loads(state_path.read_text(encoding="utf-8"))
except Exception:
raise SystemExit(34)
if not isinstance(state, dict):
raise SystemExit(34)
attempt = state.get("last_attempt")
receipt = state.get("live_receipt")
artifacts = state.get("live_artifacts")
if not (
state.get("schema_version") == 3
and state.get("repository") == repository
and state.get("revision") == live_revision
and state.get("live_revision") == live_revision
and state.get("live_status") == "unknown"
and state.get("live_legacy_provenance") is False
and state.get("status") == "failed"
and isinstance(attempt, dict)
and attempt.get("revision") == failed_revision
and attempt.get("status") == "failed"
and attempt.get("message") == failure_message
and isinstance(receipt, dict)
and bool(receipt)
and isinstance(artifacts, dict)
):
raise SystemExit(35)
project = dict(project)
project["_repository_name"] = repository
project["_repository_path"] = str(bare_repo)
try:
build = controller.validate_recorded_receipt(project, receipt, repository, live_revision)
recorded_receipt_containers = receipt.get("containers")
if not isinstance(recorded_receipt_containers, dict):
raise RuntimeError("receipt containers missing")
expected_image_ids = {
str(container_name): str(dict(raw).get("image_id") or "")
for container_name, raw in recorded_receipt_containers.items()
if isinstance(raw, dict)
}
if set(expected_image_ids) != {"Portfolio", "Portfolio-api"} or not all(expected_image_ids.values()):
raise RuntimeError("receipt image IDs missing")
observed_receipt = controller.verify_deployment(
project,
build,
expected_image_ids=expected_image_ids,
)
observed_artifacts = controller.deployment_artifacts(project)
except Exception:
raise SystemExit(36)
immutable_receipt_keys = ("schema", "repository", "revision", "tree", "treeDigest", "build", "live")
if any(observed_receipt.get(key) != receipt.get(key) for key in immutable_receipt_keys):
raise SystemExit(37)
observed_receipt_containers = observed_receipt.get("containers")
if not isinstance(observed_receipt_containers, dict) or set(observed_receipt_containers) != set(recorded_receipt_containers):
raise SystemExit(37)
container_id_changed = False
for container_name in sorted(recorded_receipt_containers):
old = dict(recorded_receipt_containers[container_name])
new = dict(observed_receipt_containers[container_name])
if old.get("container_id") != new.get("container_id"):
container_id_changed = True
old_without_id = {key: value for key, value in old.items() if key != "container_id"}
new_without_id = {key: value for key, value in new.items() if key != "container_id"}
if old_without_id != new_without_id:
raise SystemExit(38)
if not container_id_changed:
raise SystemExit(39)
recorded_artifact_containers = artifacts.get("containers")
observed_artifact_containers = observed_artifacts.get("containers")
if (
not isinstance(recorded_artifact_containers, dict)
or not isinstance(observed_artifact_containers, dict)
or set(recorded_artifact_containers) != set(observed_artifact_containers)
or artifacts.get("compose_sha256") != observed_artifacts.get("compose_sha256")
):
raise SystemExit(41)
for container_name in sorted(recorded_artifact_containers):
old = dict(recorded_artifact_containers[container_name])
new = dict(observed_artifact_containers[container_name])
old_without_id = {key: value for key, value in old.items() if key != "container_id"}
new_without_id = {key: value for key, value in new.items() if key != "container_id"}
if old_without_id != new_without_id:
raise SystemExit(41)
now = int(time.time())
repaired = dict(state)
repaired["live_status"] = "healthy"
repaired["live_artifacts"] = observed_artifacts
repaired["artifacts"] = observed_artifacts
repaired["live_receipt"] = observed_receipt
repaired["status"] = "success"
repaired["message"] = "Verified Portfolio runtime re-attested after container recreation"
repaired["updated_at_epoch"] = now
repaired["last_attempt"] = {
"revision": live_revision,
"status": "success",
"message": "Verified live Portfolio runtime receipt re-attestation",
"updated_at_epoch": now,
"metadata": {
"reconciled_failed_revision": failed_revision,
"container_identity_only": True,
},
}
backup = state_path.with_name(f"portfolio.json.reattest-backup-{now}-{os.getpid()}")
temporary = state_path.with_name(f".{state_path.name}.{os.getpid()}.reattest.tmp")
try:
mode = stat.S_IMODE(state_path.stat().st_mode)
shutil.copy2(state_path, backup)
with temporary.open("x", encoding="utf-8") as handle:
handle.write(json.dumps(repaired, indent=2, sort_keys=True) + "\n")
handle.flush()
os.fsync(handle.fileno())
os.chmod(temporary, mode)
os.replace(temporary, state_path)
directory_fd = os.open(str(state_root), os.O_RDONLY)
try:
os.fsync(directory_fd)
finally:
os.close(directory_fd)
except Exception:
try:
temporary.unlink(missing_ok=True)
except Exception:
pass
raise SystemExit(42)
try:
verified = controller.verified_current_receipt(
repository,
project,
live_revision,
str(receipt.get("tree") or ""),
)
except Exception:
verified = None
if not isinstance(verified, dict) or verified != observed_receipt:
raise SystemExit(43)
print("re-attested", flush=True)
'''
class PortfolioDeploymentRecovery:
"""Recover the exact known Portfolio state drift, otherwise use normal enrollment."""
def __init__(self, portainer: PortainerConnector | None = None):
self.portainer = portainer or PortainerConnector()
def run(self) -> dict[str, Any]:
status = self.portainer.get_container_status(_CONTROLLER)
controller = dict(status.get("container") or {}) if status.get("status") == "ok" else {}
container_id = str(controller.get("id") or "")
config = self.portainer._config()
if controller.get("name") != _CONTROLLER or controller.get("state") != "running" or not container_id or not config:
return PortfolioDeploymentEnrollment(portainer=self.portainer).run()
command = [
"python3",
"-c",
_REATTEST_SCRIPT,
_REPOSITORY,
_LIVE_REVISION,
_FAILED_REVISION,
_FAILURE_MESSAGE,
]
endpoint = quote(str(config.endpoint_id), safe="")
safe_container = quote(container_id, safe="")
try:
created = self.portainer._request(
"POST",
f"/api/endpoints/{endpoint}/docker/containers/{safe_container}/exec",
json={"AttachStdout": False, "AttachStderr": False, "Tty": False, "Cmd": command},
).json()
exec_id = str(created.get("Id") or "")
if not exec_id:
return {"status": "error", "reason": "Portfolio runtime re-attestation could not start"}
safe_exec = quote(exec_id, safe="")
self.portainer._request(
"POST",
f"/api/endpoints/{endpoint}/docker/exec/{safe_exec}/start",
json={"Detach": True, "Tty": False},
)
deadline = time.monotonic() + 45
exit_code: int | None = None
while time.monotonic() < deadline:
inspected = self.portainer._request(
"GET", f"/api/endpoints/{endpoint}/docker/exec/{safe_exec}/json"
).json()
if not bool(inspected.get("Running")):
raw_exit = inspected.get("ExitCode")
exit_code = int(raw_exit) if raw_exit is not None else -1
break
time.sleep(0.25)
except (RuntimeError, ValueError, TypeError) as exc:
return {"status": "error", "reason": redact_message(str(exc))}
if exit_code is None:
return {"status": "error", "reason": "Portfolio runtime re-attestation timed out"}
if exit_code == 0:
return {
"status": "reconciled",
"repository": _REPOSITORY,
"live_revision": _LIVE_REVISION,
"failed_revision": _FAILED_REVISION,
"containers": ["Portfolio", "Portfolio-api"],
"compose_project": "portfolio",
}
# Exit 35 means the exact recoverable state is no longer present. In
# normal/healthy states the established enrollment routine remains the
# authoritative path. Every other re-attestation failure is fail-closed.
if exit_code == 35:
return PortfolioDeploymentEnrollment(portainer=self.portainer).run()
reasons = {
20: "deployment controller executable is unavailable or unsafe",
21: "deployment projects registry is unavailable or unsafe",
22: "deployment projects registry cannot be read",
23: "Portfolio deployment target is missing",
24: "Portfolio deployment target differs from the bounded paired contract",
25: "mounted Portfolio bare repository is unavailable",
26: "known Portfolio recovery revisions cannot be resolved",
27: "Portfolio main changed after the bounded recovery contract was recorded",
28: "known Portfolio live revision is not an ancestor of the failed revision",
29: "deployment controller verifier cannot be loaded",
30: "deployment lock files cannot be opened",
31: "deployment locks cannot be acquired",
32: "deployment projects registry changed or became unreadable while waiting",
33: "Portfolio deployment target changed while recovery was waiting",
34: "Portfolio deployment state is unavailable or invalid",
36: "controller could not re-attest the current Portfolio runtime against recorded immutable image IDs",
37: "Portfolio receipt identity changed during re-attestation",
38: "Portfolio immutable container/image provenance differs from the recorded receipt",
39: "Portfolio container identities did not change; the known recovery cause is absent",
40: "fixed Portfolio re-attestation contract was altered",
41: "Portfolio recorded live artifacts differ beyond ephemeral container IDs",
42: "re-attested Portfolio deployment state could not be written durably",
43: "controller rejected the repaired Portfolio receipt after write",
}
return {
"status": "validation_failed",
"reason": reasons.get(exit_code, "Portfolio runtime re-attestation failed closed"),
}