fix: GitLab bug with forced exposed variables

import re

import tempfile

from http import HTTPStatus

from typing import Optional

import boto3

from botocore.config import Config

    return "REVIEW"

def get_var(env_ctx: str, var_suffix: str) -> str:

    return os.getenv(f"AWS_{env_ctx}_{var_suffix}") or os.getenv(f"AWS_{var_suffix}")

def get_var(env_ctx: str, var_suffix: str) -> Optional[str]:

    return getenv_checked(f"AWS_{env_ctx}_{var_suffix}") or getenv_checked(f"AWS_{var_suffix}")

# Workaround the GitLab bug with forced exposed variables:

# variables:

#   SOMEVAR: "$SOMEVAR"

# os.getenv("SOMEVAR") may have value '$SOMEVAR' if the variable is not defined as a project variable

def getenv_checked(name: str) -> Optional[str]:

    value = os.getenv(name)

    return None if value == f"${name}" else value

@app.get("/ping", response_class=PlainTextResponse)