# Copyright (c) 2023, NVIDIA CORPORATION.  All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""
Health check endpoints
- Liveliness
- Readiness
"""
import tempfile
import os
from kubernetes import client, config


def check_logging():
    """Checks if we are able to create and write into files"""
    try:
        file, path = tempfile.mkstemp()
        with os.fdopen(file, 'w') as tmp:
            tmp.write('Logging online!')
        os.remove(path)
        return True
    except:
        return False


def check_k8s():
    """Checks if we are able to initialize kubernetes client"""
    try:
        with open('/var/run/secrets/kubernetes.io/serviceaccount/namespace', 'r', encoding='utf-8') as f:
            current_name_space = f.read()
        os.getenv('NAMESPACE', default=current_name_space)
        config.load_incluster_config()
        client.BatchV1Api()
        return True
    except:
        return False
