Initial commit of healthcheck script

healthcheck.py

@@ -0,0 +1,49 @@
+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)