Files
notifications-api/app/status/healthcheck.py
2025-07-31 10:50:55 -04:00

72 lines
2.5 KiB
Python

from flask import Blueprint, current_app, jsonify, request
from sqlalchemy import text
from werkzeug.exceptions import ServiceUnavailable
from app import db, version
from app.dao.organization_dao import dao_count_organizations_with_live_services
from app.dao.services_dao import dao_count_live_services
status = Blueprint("status", __name__)
@status.route("/", methods=["GET"])
@status.route("/_status", methods=["GET", "POST"])
def show_status():
try:
if request.args.get("simple", None):
response = jsonify(status="ok")
else:
response = jsonify(
status="ok", # This should be considered part of the public API
git_commit=version.__git_commit__,
build_time=version.__time__,
db_version=get_db_version(),
)
response.headers["Cache-Control"] = "no-cache, no-store, must-revalidate"
response.headers["Pragma"] = "no-cache"
response.headers["Expires"] = "0"
return response, 200
except Exception as e:
current_app.logger.error(
f"Unexpected error in show_status: {str(e)}", exc_info=True
)
# raise Exception(status_code=503, detail="Service temporarily unavailable")
raise ServiceUnavailable("Service temporarily unavailable")
@status.route("/_status/live-service-and-organization-counts")
def live_service_and_organization_counts():
try:
response = jsonify(
organizations=dao_count_organizations_with_live_services(),
services=dao_count_live_services(),
)
response.headers["Cache-Control"] = "no-cache, no-store, must-revalidate"
response.headers["Pragma"] = "no-cache"
response.headers["Expires"] = "0"
return response, 200
except Exception as e:
current_app.logger.error(
f"Unexpected error in live_service_and_organization_counts: {str(e)}",
exc_info=True,
)
# raise Exception(status_code=503, detail="Service temporarily unavailable")
raise ServiceUnavailable("Service temporarily unavailable")
def get_db_version():
try:
query = "SELECT version_num FROM alembic_version"
full_name = db.session.execute(text(query)).fetchone()[0]
return full_name
except Exception as e:
current_app.logger.error(
f"Unexpected error in get_db_version: {str(e)}",
exc_info=True,
)
raise Exception(status_code=503, detail="Database temporarily unavailable")