healthcheck/healthcheck.py

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Python
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2024-11-13 14:28:25 +00:00
import requests
import subprocess
from dotenv import load_dotenv
from os import getenv
from time import sleep
load_dotenv()
CHECK_INTERVAL = int(getenv('CHECK_INTERVAL'))
CONFIG = [
{'url': getenv('MOSHFERATU_DEV_URL'), 'container_name': getenv('MOSHFERATU_DEV_CONTAINER')},
{'url': getenv('MOSHINGTON_URL'), 'container_name': getenv('MOSHINGTON_CONTAINER')}
]
def healthy(url):
"""Check the health of a web application by pinging the given URL."""
try:
response = requests.get(url, timeout = 20)
if response.status_code == 200:
print(f'Healthcheck successful for {url}')
return True
else:
print(f'Healthcheck failed for {url} with status code: {response.status_code}')
return False
except requests.RequestException as e:
print(f'Healthcheck request failed for {url}: {e}')
return False
def restart_docker_container(container_name):
"""Restart the specified Docker container."""
print(f'Restarting Docker container: {container_name}...')
result = subprocess.run(['docker', 'restart', container_name], capture_output = True, text = True)
if result.returncode == 0:
print(f'Docker container {container_name} restarted successfully.')
else:
print(f'Failed to restart Docker container {container_name}: {result.stderr}')
if __name__ == '__main__':
while True:
for config in CONFIG:
url = config['url']
container_name = config['container_name']
if not healthy(url):
restart_docker_container(container_name)
sleep(CHECK_INTERVAL)