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fix(server): retry SSM for Google client id after TTL on failure

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Transient SSM errors no longer cache empty client id for the process lifetime;
matches Lambda handler refresh behavior (300s TTL).

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Adam Moussa 2026-05-13 15:06:00 -04:00
parent 373f959282
commit d478ca4899
1 changed files with 28 additions and 12 deletions
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40
src/server/app.py
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@ -6,6 +6,7 @@ Orders are saved as JSON files in the orders directory, one per employee per wee
"""
import json
import time
import urllib.request
from datetime import datetime
from decimal import Decimal, ROUND_HALF_UP
@ -61,21 +62,36 @@ def get_roster():
return jsonify(config.get("roster", []))
_google_client_id_cache = None
# Match functions/submit_order/handler.py: TTL so a transient SSM failure cannot
# pin client_id to "" for the process lifetime (which would skip Google auth).
_GOOGLE_CLIENT_ID_CACHE_TTL_SECONDS = 300
_google_client_id_cache: str | None = None
_google_client_id_cache_ts = 0.0
def _get_google_client_id() -> str:
global _google_client_id_cache
if _google_client_id_cache is None:
config = load_config()
_google_client_id_cache = config.get("google_client_id", "")
if not _google_client_id_cache:
try:
ssm = boto3.client("ssm")
resp = ssm.get_parameter(Name="/meal-order-manager/google-client-id")
_google_client_id_cache = resp["Parameter"]["Value"]
except Exception:
_google_client_id_cache = ""
global _google_client_id_cache, _google_client_id_cache_ts
now = time.monotonic()
if _google_client_id_cache is not None and (
now - _google_client_id_cache_ts
) <= _GOOGLE_CLIENT_ID_CACHE_TTL_SECONDS:
return _google_client_id_cache
config = load_config()
from_config = (config.get("google_client_id") or "").strip()
if from_config:
_google_client_id_cache = from_config
_google_client_id_cache_ts = now
return _google_client_id_cache
try:
ssm = boto3.client("ssm")
resp = ssm.get_parameter(Name="/meal-order-manager/google-client-id")
_google_client_id_cache = (resp["Parameter"].get("Value") or "").strip()
except Exception:
_google_client_id_cache = ""
_google_client_id_cache_ts = now
return _google_client_id_cache