Files
govoplan-campaign/src/govoplan_campaign/backend/operational_checks.py
T

57 lines
2.0 KiB
Python

from __future__ import annotations
import secrets
from govoplan_core.core.object_storage import (
StorageBackendError,
configured_storage_backend,
)
from govoplan_core.core.operations import OperationalCheck
from govoplan_core.settings import settings as core_settings
from govoplan_campaign.backend.runtime import get_settings
def generated_eml_storage_check() -> OperationalCheck:
"""Verify Campaign evidence against the deployment object-store boundary."""
storage = configured_storage_backend(get_settings() or core_settings)
probe = f"campaign-artifacts/.health/{secrets.token_hex(16)}.probe"
payload = secrets.token_bytes(64)
try:
storage.put_bytes(probe, payload, content_type="application/octet-stream")
if storage.get_bytes(probe) != payload:
raise OSError("generated EML persistence returned different bytes")
except (OSError, StorageBackendError) as exc:
return OperationalCheck(
id="campaign.generated_eml_storage",
label="Generated Campaign EML evidence",
state="error",
detail=(
"The generated EML object store failed a bounded write/read probe "
f"({type(exc).__name__})."
),
readiness_critical=True,
metrics={"backend": storage.name},
)
finally:
try:
storage.delete(probe)
except StorageBackendError:
pass
node_local = storage.name == "local"
return OperationalCheck(
id="campaign.generated_eml_storage",
label="Generated Campaign EML evidence",
state="warning" if node_local else "ok",
detail=(
"Generated EML passed the object-store write/read/delete probe. "
+ (
"The configured backend is node-local and is suitable only for a single-node profile."
if node_local
else "The configured backend is shared across application and worker nodes."
)
),
metrics={"backend": storage.name},
)