Files
sync-ssh-keys/sync.py
2021-11-04 15:06:52 +01:00

60 lines
2.1 KiB
Python
Executable File

#!/usr/bin/env python3
import paramiko
import threading
import yaml
class task_thread(threading.Thread):
def __init__(self, host, user, keys):
threading.Thread.__init__(self)
self.host = host
self.user = user
self.keys = keys
def run(self):
update_keys(self.host, self.user, self.keys)
def read_config():
with open('config.yaml', 'r') as stream:
return yaml.safe_load(stream)
def update_keys(host, user, keys):
try:
client = paramiko.SSHClient()
client.set_missing_host_key_policy(paramiko.MissingHostKeyPolicy())
client.connect(host, username = user, timeout = 1)
client.exec_command('echo "###\n# Warning this file has been generated and will be overwritten!\n###\n' + '\n'.join(keys) + '" > ~/.ssh/authorized_keys2')
client.close()
print('' + user + '@' + host)
except Exception:
print('' + user + '@' + host)
def main():
config = read_config()
for host in config['hosts']:
for user_name, user_data in host['users'].items():
host_keys = []
if 'groups' in user_data.keys():
for group in user_data['groups']:
if group not in config['groups'].keys():
print('WARNING: Key-group "' + group + '" not found!')
continue
for key_name in config['groups'][group]:
host_keys.append(config['keys'][key_name])
if 'keys' in user_data.keys():
for key_name in user_data['keys']:
if key_name not in config['keys'].keys():
print('WARNING: Key "' + key_name + '" not found!')
continue
host_keys.append(config['keys'][key_name])
host_keys = list(set(host_keys)) # Filter duplicates
if not host_keys:
continue
try:
thread = task_thread(host['host'], user_name, host_keys)
thread.start()
except:
print('' + user_name + '@' + host['host'])
if __name__ == '__main__':
main()