Files
sync-ssh-keys/sync.py
2023-09-20 02:39:13 +02:00

144 lines
4.4 KiB
Python
Executable File

#!/usr/bin/env python3
import time
import paramiko
import threading
import yaml
def string_to_float(data):
return float(data.strip().split(' ', 2)[0].strip())
def parse_top_string(data):
rows = data.splitlines()
load = rows[0].split('load average: ', 2)[1]
cpu_data = rows[1].split(':', 2)[1].strip().split(',')
cpu_percent = 100.0 - float(cpu_data[3].strip().split(' ', 2)[0].strip()) - float(cpu_data[7].strip().split(' ', 2)[0].strip())
if (cpu_percent < 0):
cpu_percent = 0
ram_unit, ram_data = rows[2].split(':', 2)
ram_factor = 1
if ram_unit[0] == 'K':
ram_factor = 1024 * 1024
elif ram_unit[0] == 'M':
ram_factor = 1024
elif ram_unit[0] == 'G':
ram_factor = 1
ram_data = ram_data.strip().split(',')
ram_total = float(ram_data[0].strip().split(' ', 2)[0].strip()) / ram_factor
ram_free = float(ram_data[1].strip().split(' ', 2)[0].strip()) / ram_factor
return load, cpu_percent, ram_total, ram_free
class Host(threading.Thread):
def __init__(self, host, port, user, keys, host_length):
threading.Thread.__init__(self)
self.host = host
self.port = port
self.user = user
self.keys = keys
self.host_length = host_length
self.status = 'none'
self.row = ''
def render_status(self):
if self.status == 'none':
return '[ .. ] '
elif self.status == 'ok':
return '[ \033[92mok\033[0m ] '
elif self.status == 'fail':
return '[\033[91mfail\033[0m] '
def render_row(self):
self.row = self.render_status() + self.host.ljust(self.host_length + 3) + self.user
def run(self):
try:
self.status = 'none'
self.render_row()
self.client = paramiko.SSHClient()
self.client.set_missing_host_key_policy(paramiko.MissingHostKeyPolicy())
self.client.connect(self.host, port = self.port, username = self.user, timeout = 1)
self.client.exec_command('echo "###\n# Warning this file has been generated and will be overwritten!\n###\n' + '\n'.join(self.keys) + '" > ~/.ssh/authorized_keys2')
self.status = 'ok'
except Exception as e:
#print(e)
self.status = 'fail'
self.render_row()
def read_config():
with open('config.yaml', 'r') as stream:
return yaml.safe_load(stream)
def main():
config = read_config()
hosts = []
host_length = 0
for host in config['hosts']:
if len(host['host']) > host_length:
host_length = len(host['host'])
#print('Host'.center(7 + host_length + 3) + 'User')
config_hosts = config['hosts']
config_hosts.sort(key=lambda x: x['host'])
for i, host in enumerate(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
if not 'port' in host:
host['port'] = 22
hosts.append(Host(host['host'], host['port'] or 22, user_name, host_keys, host_length))
for host in hosts:
host.start()
end = False
first = True
while True:
screen = []
for host in hosts:
screen.append(host.row)
if first:
first = False
else:
print('\033[' + str(len(screen)) + 'F', end = '')
print('\n'.join(screen))
if end:
break
states = []
for host in hosts:
states.append(not host.is_alive())
if all(states):
end = True
time.sleep(0.1)
if __name__ == '__main__':
main()