Added monitor script as a bonus

monitor.py

@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+
+import paramiko
+import threading
+import yaml
+
+class taskThread(threading.Thread):
+   def __init__(self, host, keys):
+      threading.Thread.__init__(self)
+      self.host = host
+      self.keys = keys
+   def run(self):
+      updateKeys(self.host, self.keys)
+
+def readConfig():
+    with open('config.yaml', 'r') as stream:
+        return yaml.safe_load(stream)
+
+def updateKeys(host, keys):
+    try:
+        client = paramiko.SSHClient()
+        client.set_missing_host_key_policy(paramiko.MissingHostKeyPolicy())
+        client.connect(host, username = 'root')
+        stdin, stdout, stderr = client.exec_command('uptime')
+        stdin.close()
+        print('✅ ' + host + ': ' + stdout.read().decode('utf-8').strip().split('load average: ', 2)[1])
+        client.close()
+    except Exception:
+        print('❌ ' + host)
+
+def main():
+    config = readConfig()
+
+    keys = []
+
+    for key in config['keys']:
+        keys.append(key['key'])
+
+    for host in config['hosts']:
+        try:
+            thread = taskThread(host, keys)
+            thread.start()
+        except:
+            print('❌ ' + host)
+
+if __name__ == '__main__':
+    main()